Tongg
7 months ago
parent
c4d442ebd7
commit
6a7ad27f73
17 changed files with 1750 additions and 994 deletions
@ -1,129 +0,0 @@ |
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using System.Security.Cryptography; |
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using System.Text; |
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using SharpDX; |
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using SparkClient.Model.Enums; |
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|
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namespace SparkClient.Model.Entity; |
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/// <summary> |
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/// 三角形 |
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/// </summary> |
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public class Viewport3DTriangleEntity |
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{ |
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/// <summary> |
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/// 点1 |
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/// </summary> |
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public Vector3 Point1 { get; set; } |
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/// <summary> |
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/// 点2 |
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/// </summary> |
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public Vector3 Point2 { get; set; } |
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/// <summary> |
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/// 点3 |
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/// </summary> |
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public Vector3 Point3 { get; set; } |
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/// <summary> |
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/// 三角形代码[生成] |
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/// 按顺序：p1.x,p1.y,p1.z;p2.x,p2.y,p2.z;p3.x,p3.y,p3.z 拼接后使用生成大写16位md5 |
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/// </summary> |
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public String TriangleCode { get; set; } |
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/// <summary> |
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/// 面代码 |
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/// 由多个三角形组成的面的代码：entity1、entity2组成了一个正方形，那么他俩的TriangleCode属性值一致 |
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/// </summary> |
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public String PlaneCode { get; set; } |
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/// <summary> |
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/// 面类型 |
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/// 比如这个面时钻石的腰部分，那么type统一，当面类型为err时则该面是一个异常面 |
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/// 可选值：PlaneType |
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/// </summary> |
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public PlaneType PlaneType { get; set; } |
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|
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public static Viewport3DTriangleEntity CreateByString(string str) |
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{ |
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if (string.IsNullOrWhiteSpace(str)) |
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{ |
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throw new ArgumentException("Input string cannot be null or empty"); |
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} |
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|
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// 分割为四段 |
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var parts = str.Split('|'); |
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if (parts.Length != 4) |
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{ |
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throw new ArgumentException("Input string format is incorrect. Expected 4 parts separated by '|'."); |
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} |
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|
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// 解析第一段：坐标 |
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var coordinates = parts[0].Split(';'); |
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if (coordinates.Length != 3) |
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{ |
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throw new ArgumentException("Coordinates part must contain exactly 3 points separated by ';'."); |
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} |
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var points = coordinates.Select(ParseVector3).ToArray(); |
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|
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// 解析第二段：TriangleCode [内部标记] |
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// 解析第三段：PlaneCode |
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string planeCode = parts[2]; |
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if (string.IsNullOrWhiteSpace(planeCode)) |
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{ |
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throw new ArgumentException("PlaneCode cannot be null or empty"); |
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} |
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|
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// 解析第四段：PlaneType |
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if (!int.TryParse(parts[3], out int planeTypeValue) || !Enum.IsDefined(typeof(PlaneType), planeTypeValue)) |
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{ |
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throw new ArgumentException("Invalid PlaneType value"); |
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} |
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PlaneType planeType = (PlaneType)planeTypeValue; |
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|
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// 生成 TriangleCode 格式：p1.x,p1.y,p1.z;p2.x,p2.y,p2.z;p3.x,p3.y,p3.z 生成 MD5 |
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string concatenatedPoints = string.Join(";", points.Select(p => $"{p.X},{p.Y},{p.Z}")); |
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string generatedTriangleCode = GenerateMD5Hash(concatenatedPoints); |
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return new Viewport3DTriangleEntity |
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{ |
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Point1 = points[0], |
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Point2 = points[1], |
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Point3 = points[2], |
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TriangleCode = generatedTriangleCode, |
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PlaneCode = planeCode, |
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PlaneType = planeType |
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}; |
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} |
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|
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// public static Viewport3DTriangleEntity CreateByJsonStr(string str) |
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// { |
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// |
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// } |
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|
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private static Vector3 ParseVector3(string coordinate) |
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{ |
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var values = coordinate.Split(','); |
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if (values.Length != 3) |
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{ |
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throw new ArgumentException("Each coordinate must contain exactly 3 values separated by ','"); |
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} |
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if (!float.TryParse(values[0], out float x) || |
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!float.TryParse(values[1], out float y) || |
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!float.TryParse(values[2], out float z)) |
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{ |
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throw new ArgumentException("Coordinate values must be valid floating-point numbers"); |
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} |
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return new Vector3(x, y, z); |
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} |
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public static string GenerateMD5Hash(string input) |
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{ |
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using (var md5 = MD5.Create()) |
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{ |
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var inputBytes = Encoding.UTF8.GetBytes(input); |
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var hashBytes = md5.ComputeHash(inputBytes); |
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// 转换为大写的16位十六进制字符串 |
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return string.Concat(hashBytes.Take(8).Select(b => b.ToString("X2"))); |
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} |
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} |
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} |
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@ -1,825 +0,0 @@ |
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using System.IO; |
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using System.Windows.Media; |
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using System.Windows.Media.Media3D; |
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using SharpDX.Direct3D11; |
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using SparkClient.Model.Entity; |
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namespace SparkClient.Model.Helper; |
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|
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using HelixToolkit.Wpf.SharpDX; |
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using SharpDX; |
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using System.Collections.Generic; |
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public class Viewport3DHelper |
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{ |
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// 加载环境贴图 |
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// public static Stream stream = |
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// File.Open("D:\\WorkSpace\\spark\\HelixToolkitSharpDX-Demo\\morning_racing_circuit_16k.dds", FileMode.Open); |
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/// <summary> |
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/// 生成一个多边形钻石 |
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/// </summary> |
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/// <param name="viewport">控件</param> |
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/// <param name="sides">边数</param> |
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public static void GenerateDiamond(Viewport3DX viewport, int sides) |
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{ |
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// 启用法线生成 |
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var meshBuilder = new MeshBuilder(true, false); |
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//设置抗锯齿 |
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viewport.RenderHost.MSAA = MSAALevel.Maximum; |
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double radius = 3.2915; |
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double smallRadius = radius / 2; |
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double topHeight = 1.67; |
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double bottomHeight = 4.43; |
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double smallOffset = 1.25; |
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var largeVertices = new List<Vector3>(); |
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var smallVertices = new List<Vector3>(); |
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var edgeLines = new List<Tuple<Vector3, Vector3>>(); |
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// 生成大八边形顶点 |
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for (int i = 0; i < sides; i++) |
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{ |
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double angle = i * Math.PI / (sides / 2); |
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largeVertices.Add(new Vector3((float)(radius * Math.Cos(angle)), (float)topHeight, |
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(float)(radius * Math.Sin(angle)))); |
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} |
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// 生成小八边形顶点 |
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for (int i = 0; i < sides; i++) |
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{ |
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double angle = i * Math.PI / (sides / 2); |
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smallVertices.Add(new Vector3((float)(smallRadius * Math.Cos(angle)), (float)(topHeight + smallOffset), |
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(float)(smallRadius * Math.Sin(angle)))); |
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} |
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var bottomPoint = new Vector3(0, (float)(topHeight - bottomHeight), 0); |
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var topPoint = new Vector3(0, (float)topHeight, 0); |
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// 生成底部面 |
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for (int i = 0; i < sides; i++) |
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{ |
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int nextIndex = (i + 1) % sides; |
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// 计算法线 |
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// Vector3 edge1 = largeVertices[nextIndex] - bottomPoint; |
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// Vector3 edge2 = largeVertices[i] - bottomPoint; |
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// Vector3 normal = Vector3.Cross(edge1, edge2); |
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// normal.Normalize(); |
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List<Vector3> fanPositions2 = new List<Vector3>() |
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{ bottomPoint, largeVertices[nextIndex], largeVertices[i] }; |
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List<Vector3> fanNormals2 = new List<Vector3>() |
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{ new Vector3(0, 1, 0), new Vector3(0, 1, 0), new Vector3(0, 1, 0) }; |
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meshBuilder.AddTriangleFan(fanPositions2, fanNormals2); |
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// meshBuilder.AddTriangle(bottomPoint, largeVertices[nextIndex], largeVertices[i]); |
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// meshBuilder.AddTriangle(topPoint, largeVertices[i], largeVertices[nextIndex]); |
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// 添加边框线 |
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edgeLines.Add(new Tuple<Vector3, Vector3>(bottomPoint, largeVertices[nextIndex])); |
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edgeLines.Add(new Tuple<Vector3, Vector3>(largeVertices[nextIndex], largeVertices[i])); |
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edgeLines.Add(new Tuple<Vector3, Vector3>(largeVertices[i], bottomPoint)); |
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} |
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// 生成法线并添加小八边形的面 |
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var smallNormals = new List<Vector3>(); |
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for (int i = 0; i < smallVertices.Count; i++) |
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{ |
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smallNormals.Add(new Vector3(0, 1, 0)); // 小八边形法线向上 |
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} |
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meshBuilder.AddTriangleFan(smallVertices, smallNormals); |
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// 生成大八边形和小八边形的连接面 |
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for (int i = 0; i < sides; i++) |
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{ |
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int nextIndex = (i + 1) % sides; |
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// 计算法线 |
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// Vector3 edge1 = largeVertices[nextIndex] - largeVertices[i]; |
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// Vector3 edge2 = smallVertices[nextIndex] - largeVertices[i]; |
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// Vector3 normal1 = Vector3.Cross(edge1, edge2); |
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// normal1.Normalize(); |
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// |
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// Vector3 edge3 = smallVertices[nextIndex] - largeVertices[i]; |
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// Vector3 edge4 = smallVertices[i] - largeVertices[i]; |
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// Vector3 normal2 = Vector3.Cross(edge3, edge4); |
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// normal2.Normalize(); |
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List<Vector3> fanPositions1 = new List<Vector3>() |
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{ largeVertices[i], largeVertices[nextIndex], smallVertices[nextIndex] }; |
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List<Vector3> fanNormals1 = new List<Vector3>() |
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{ new Vector3(0, 1, 0), new Vector3(0, 1, 0), new Vector3(0, 1, 0) }; |
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meshBuilder.AddTriangleFan(fanPositions1, fanNormals1); |
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//meshBuilder.AddTriangle(largeVertices[i], largeVertices[nextIndex], smallVertices[nextIndex]); |
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List<Vector3> fanPositions2 = new List<Vector3>() |
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{ largeVertices[i], smallVertices[nextIndex], smallVertices[i] }; |
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List<Vector3> fanNormals2 = new List<Vector3>() |
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{ new Vector3(0, 1, 0), new Vector3(0, 1, 0), new Vector3(0, 1, 0) }; |
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meshBuilder.AddTriangleFan(fanPositions2, fanNormals2); |
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//meshBuilder.AddTriangle(largeVertices[i], smallVertices[nextIndex], smallVertices[i]); |
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// 添加边框线 |
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edgeLines.Add(new Tuple<Vector3, Vector3>(largeVertices[i], largeVertices[nextIndex])); |
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edgeLines.Add(new Tuple<Vector3, Vector3>(largeVertices[nextIndex], smallVertices[nextIndex])); |
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edgeLines.Add(new Tuple<Vector3, Vector3>(smallVertices[nextIndex], smallVertices[i])); |
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edgeLines.Add(new Tuple<Vector3, Vector3>(smallVertices[i], largeVertices[i])); |
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} |
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var mesh = meshBuilder.ToMeshGeometry3D(); |
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var material = new PBRMaterial |
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{ |
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AlbedoColor = new Color4(0.11f, 0.56f, 1f, 0.6f), // 纯白色 |
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MetallicFactor = 0.0, |
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RoughnessFactor = 0.01, |
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ReflectanceFactor = 1.0, |
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ClearCoatStrength = 1.0, |
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ClearCoatRoughness = 0.0, |
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// RenderEnvironmentMap = true, |
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// IrradianceMap = TextureModel.Create(stream), // 环境贴图 |
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}; |
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// 设置材质的采样器状态 |
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material.SurfaceMapSampler = new SamplerStateDescription |
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{ |
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Filter = Filter.MinMagMipLinear, |
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AddressU = TextureAddressMode.Wrap, |
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AddressV = TextureAddressMode.Wrap, |
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AddressW = TextureAddressMode.Wrap |
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}; |
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//边框 |
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var lineBuilder = new LineBuilder(); |
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foreach (var line in edgeLines) |
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{ |
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lineBuilder.AddLine(line.Item1, line.Item2); |
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} |
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var edgeLinesModel = new LineGeometryModel3D |
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{ |
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Geometry = lineBuilder.ToLineGeometry3D(), |
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Color = System.Windows.Media.Colors.Black, |
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Thickness = 1.0 |
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}; |
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viewport.Items.Add(edgeLinesModel); |
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var geometryModel = new MeshGeometryModel3D |
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{ |
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Geometry = mesh, |
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Material = material |
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}; |
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viewport.Items.Add(geometryModel); |
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viewport.ZoomExtents(); |
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} |
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public static void GenerateModelByEntity(Viewport3DX viewport, List<Viewport3DTriangleEntity> entities) |
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{ |
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var meshBuilder = new MeshBuilder(true, false); |
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viewport.RenderHost.MSAA = MSAALevel.Maximum; |
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foreach (var entity in entities) |
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{ |
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List<Vector3> vertices = new List<Vector3>(){entity.Point1, entity.Point2, entity.Point3}; |
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meshBuilder.AddPolygon(vertices); |
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} |
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var mesh = meshBuilder.ToMeshGeometry3D(); |
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var material = new PBRMaterial |
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{ |
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AlbedoColor = new Color4(0.11f, 0.56f, 1f, 0.6f), |
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MetallicFactor = 0.0, |
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RoughnessFactor = 0.01, |
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ReflectanceFactor = 1.0, |
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ClearCoatStrength = 1.0, |
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ClearCoatRoughness = 0.0, |
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}; |
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// 设置材质的采样器状态 |
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material.SurfaceMapSampler = new SamplerStateDescription |
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{ |
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Filter = Filter.MinMagMipLinear, |
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AddressU = TextureAddressMode.Wrap, |
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AddressV = TextureAddressMode.Wrap, |
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AddressW = TextureAddressMode.Wrap |
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}; |
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var geometryModel = new MeshGeometryModel3D |
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{ |
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Geometry = mesh, |
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Material = material |
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}; |
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viewport.Items.Add(geometryModel); |
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} |
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/// <summary> |
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/// 传入一个三角形，找到关联面 |
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/// </summary> |
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/// <param name="viewport">控件</param> |
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/// <param name="triangleIndex">三角形顶点</param> |
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/// <param name="selColor">选择主体颜色</param> |
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/// <param name="linkColor">选择关联颜色（null不渲染）</param> |
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/// <param name="borderColor">选择边框颜色（null不渲染）</param> |
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/// <returns></returns> |
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public static List<GeometryModel3D> HighlightAssociatedFaces(Viewport3DX viewport, |
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Tuple<Vector3, Vector3, Vector3> triangleIndex, Color4 selColor, Color4? linkColor = null, |
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Color4? borderColor = null) |
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{ |
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List<GeometryModel3D> result = new List<GeometryModel3D>(); |
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//选中平面上的点（实现选中高亮、边框线） |
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List<Vector3> selFaceVector = new List<Vector3>(); |
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selFaceVector.Add(triangleIndex.Item1); |
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selFaceVector.Add(triangleIndex.Item2); |
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selFaceVector.Add(triangleIndex.Item3); |
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foreach (var item in viewport.Items) |
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{ |
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if (item is MeshGeometryModel3D geometryModel) |
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{ |
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var geometry = geometryModel.Geometry; |
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if (geometry != null) |
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{ |
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var positions = geometry.Positions; // 顶点列表 |
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var indices = geometry.Indices; // 索引列表 |
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// 确保 Indices 是三角形格式 |
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for (int i = 0; i < indices.Count; i += 3) |
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{ |
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// 获取三角形的三个顶点索引 |
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int index0 = indices[i]; |
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int index1 = indices[i + 1]; |
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int index2 = indices[i + 2]; |
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// 获取三角形的三个顶点坐标 |
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var vertex0 = positions[index0]; |
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var vertex1 = positions[index1]; |
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var vertex2 = positions[index2]; |
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List<Vector3> temp = new List<Vector3>() { vertex0, vertex1, vertex2 }; |
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if (ArePointsOnSamePlane(triangleIndex, temp)) |
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{ |
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//所有点共面，两种情况，三角形自己，三角形相连在同一个平面 |
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if (temp.Count == 3 && temp.Contains(triangleIndex.Item1) && |
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temp.Contains(triangleIndex.Item2) && temp.Contains(triangleIndex.Item3)) |
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continue; |
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foreach (var vector in temp) |
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{ |
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// if(!selFaceVector.Contains(vector)) |
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selFaceVector.Add(vector); |
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} |
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} |
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} |
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} |
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} |
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} |
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//当前选中的平面 |
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var meshBuilder = new MeshBuilder(true, false); |
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List<Vector3> fanNormals2 = new List<Vector3>(); |
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foreach (var vertex in selFaceVector) |
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fanNormals2.Add(new Vector3(0, 1, 0)); |
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meshBuilder.AddTriangleFan(selFaceVector, fanNormals2); |
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var mesh = meshBuilder.ToMeshGeometry3D(); |
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var material = new PBRMaterial |
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{ |
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AlbedoColor = selColor, // 纯白色 |
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MetallicFactor = 0, |
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RoughnessFactor = 1, |
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ReflectanceFactor = 0.5, |
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}; |
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var geometryModel1 = new MeshGeometryModel3D |
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{ |
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Geometry = mesh, |
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Material = material |
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}; |
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//当前选中平面边框线 |
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var edgeLines = new List<Tuple<Vector3, Vector3>>(); |
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var lengths = new List<double>(); // 长度列表 |
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var angles = new List<double>(); // 夹角列表 |
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HashSet<Vector3> uniqueVectors = new HashSet<Vector3>(selFaceVector); |
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List<Vector3> sortedVectors = uniqueVectors.ToList(); |
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Vector3 center = GetCentroid(sortedVectors); |
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// 按极角顺时针排序 |
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sortedVectors.Sort((v1, v2) => |
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{ |
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double angle1 = Math.Atan2(v1.Z - center.Z, v1.X - center.X); // 计算第一个点的角度 |
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double angle2 = Math.Atan2(v2.Z - center.Z, v2.X - center.X); // 计算第二个点的角度 |
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return angle1.CompareTo(angle2); // 按角度从小到大排序 |
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}); |
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for (int i = 0; i < sortedVectors.Count - 1; i++) |
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{ |
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var nowItem = sortedVectors[i]; |
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var nextItem = sortedVectors[i + 1]; |
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edgeLines.Add(new Tuple<Vector3, Vector3>(nowItem, nextItem)); |
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// 计算当前线段的长度 |
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lengths.Add((nextItem - nowItem).Length()); |
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} |
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edgeLines.Add(new Tuple<Vector3, Vector3>(sortedVectors.Last(), sortedVectors.First())); |
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lengths.Add((sortedVectors.Last() - sortedVectors.First()).Length()); |
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//计算夹角 |
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for (int i = 0; i < sortedVectors.Count; i++) |
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{ |
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int prevIndex = (i - 1 + sortedVectors.Count) % sortedVectors.Count; |
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int nextIndex = (i + 1) % sortedVectors.Count; |
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// 获取三点 |
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var p1 = sortedVectors[prevIndex]; |
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var p2 = sortedVectors[i]; |
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var p3 = sortedVectors[nextIndex]; |
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// 计算夹角 |
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var v1 = p2 - p1; |
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var v2 = p3 - p2; |
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double angle = AngleBetween(v1, v2); |
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angles.Add(angle); // 夹角，单位是度 |
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} |
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if (sortedVectors.Count == lengths.Count && sortedVectors.Count == angles.Count) |
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{ |
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for (int i = 0; i < sortedVectors.Count; i++) |
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{ |
||||
var point = sortedVectors[i]; |
||||
var pointNext = i + 1 >= sortedVectors.Count ? sortedVectors.First() : sortedVectors[i + 1]; |
||||
var lengthText = $"L: {lengths[i]:F2}"; |
||||
var angleText = $"Angle: {angles[i]:F2}°"; |
||||
|
||||
var lengthTextPoint = (pointNext + point) / 2; |
||||
|
||||
// 在合适位置显示文本 |
||||
var text3DL = DisplayText3D(lengthText, |
||||
new Vector3(lengthTextPoint.X, lengthTextPoint.Y + 0.5f, lengthTextPoint.Z)); |
||||
var text3DA = DisplayText3D(angleText, new Vector3(point.X, point.Y + 0.5f, point.Z + 0.5f)); |
||||
viewport.Items.Add(text3DL); |
||||
viewport.Items.Add(text3DA); |
||||
result.Add(text3DL); |
||||
result.Add(text3DA); |
||||
} |
||||
} |
||||
else |
||||
{ |
||||
// 如果列表长度不一致，给出提示信息 |
||||
Console.WriteLine("The lengths or angles list size does not match the sorted vectors list."); |
||||
} |
||||
|
||||
var lineBuilder = new LineBuilder(); |
||||
foreach (var line in edgeLines) |
||||
{ |
||||
lineBuilder.AddLine(line.Item1, line.Item2); |
||||
} |
||||
|
||||
var edgeLinesModel = new LineGeometryModel3D |
||||
{ |
||||
Geometry = lineBuilder.ToLineGeometry3D(), |
||||
Color = System.Windows.Media.Colors.Red, |
||||
Thickness = 1.0 |
||||
}; |
||||
|
||||
viewport.Items.Add(edgeLinesModel); |
||||
viewport.Items.Add(geometryModel1); |
||||
|
||||
|
||||
result.Add(geometryModel1); |
||||
result.Add(edgeLinesModel); |
||||
return result; |
||||
} |
||||
|
||||
/// <summary> |
||||
/// 遍历视图中的所有三角形 |
||||
/// </summary> |
||||
/// <param name="viewport"></param> |
||||
/// <returns></returns> |
||||
public static List<Tuple<Vector3, Vector3, Vector3>> ForeachViewPortTriangle(Viewport3DX viewport) |
||||
{ |
||||
List<Tuple<Vector3, Vector3, Vector3>> result = new List<Tuple<Vector3, Vector3, Vector3>>(); |
||||
foreach (var item in viewport.Items) |
||||
{ |
||||
if (item is MeshGeometryModel3D geometryModel) |
||||
{ |
||||
var geometry = geometryModel.Geometry; |
||||
if (geometry != null) |
||||
{ |
||||
var positions = geometry.Positions; // 顶点列表 |
||||
var indices = geometry.Indices; // 索引列表 |
||||
|
||||
// 确保 Indices 是三角形格式 |
||||
for (int i = 0; i < indices.Count; i += 3) |
||||
{ |
||||
// 获取三角形的三个顶点索引 |
||||
int index0 = indices[i]; |
||||
int index1 = indices[i + 1]; |
||||
int index2 = indices[i + 2]; |
||||
|
||||
// 获取三角形的三个顶点坐标 |
||||
var vertex0 = positions[index0]; |
||||
var vertex1 = positions[index1]; |
||||
var vertex2 = positions[index2]; |
||||
result.Add(new Tuple<Vector3, Vector3, Vector3>(vertex0, vertex1, vertex2)); |
||||
} |
||||
} |
||||
} |
||||
} |
||||
|
||||
return result; |
||||
} |
||||
|
||||
private static BillboardTextModel3D DisplayText3D(string text, Vector3 position) |
||||
{ |
||||
var billboardTextModel = new BillboardTextModel3D(); |
||||
var billboardText = new BillboardText3D(); |
||||
billboardText.TextInfo.Add(new TextInfo(text, position) |
||||
{ |
||||
Foreground = Color.Green, |
||||
Scale = 0.5f, |
||||
}); |
||||
billboardTextModel.Geometry = billboardText; |
||||
return billboardTextModel; |
||||
} |
||||
|
||||
public static float AngleBetween(Vector3 v1, Vector3 v2) |
||||
{ |
||||
// 计算两个向量的点积 |
||||
float dotProduct = Vector3.Dot(v1, v2); |
||||
|
||||
// 计算每个向量的模长 |
||||
float magnitudeV1 = v1.Length(); |
||||
float magnitudeV2 = v2.Length(); |
||||
|
||||
// 防止除以零错误 |
||||
if (magnitudeV1 == 0 || magnitudeV2 == 0) |
||||
{ |
||||
return 0f; |
||||
} |
||||
|
||||
// 计算夹角的余弦值 |
||||
float cosTheta = dotProduct / (magnitudeV1 * magnitudeV2); |
||||
|
||||
// 限制cosTheta的值范围在 -1 到 1 之间，以防计算机浮点误差 |
||||
cosTheta = Math.Max(-1f, Math.Min(1f, cosTheta)); |
||||
|
||||
// 返回角度，单位是度 |
||||
return (float)(Math.Acos(cosTheta) * (180.0 / Math.PI)); |
||||
} |
||||
|
||||
// 计算点集合的中心点（几何质心） |
||||
private static Vector3 GetCentroid(List<Vector3> vectors) |
||||
{ |
||||
float x = vectors.Sum(v => v.X) / vectors.Count; |
||||
float y = vectors.Sum(v => v.Y) / vectors.Count; |
||||
float z = vectors.Sum(v => v.Z) / vectors.Count; |
||||
return new Vector3(x, y, z); |
||||
} |
||||
|
||||
/// <summary> |
||||
/// 判断集合元素是狗共面 |
||||
/// </summary> |
||||
/// <param name="triangle"></param> |
||||
/// <param name="points"></param> |
||||
/// <returns></returns> |
||||
public static bool ArePointsOnSamePlane(Tuple<Vector3, Vector3, Vector3> triangle, List<Vector3> points) |
||||
{ |
||||
// 获取三角形的三个点 |
||||
var P1 = triangle.Item1; |
||||
var P2 = triangle.Item2; |
||||
var P3 = triangle.Item3; |
||||
|
||||
// 计算平面的法线 |
||||
Vector3 V1 = P2 - P1; // 向量P1P2 |
||||
Vector3 V2 = P3 - P1; // 向量P1P3 |
||||
Vector3 normal = Vector3.Cross(V1, V2); // 叉积得到平面法线 |
||||
|
||||
// 对每个点进行检查 |
||||
foreach (var point in points) |
||||
{ |
||||
if (!IsPointInPlane(P1, normal, point)) |
||||
{ |
||||
return false; // 如果有点不在平面上，返回false |
||||
} |
||||
} |
||||
|
||||
return true; // 如果所有点都在平面上，返回true |
||||
} |
||||
|
||||
/// <summary> |
||||
/// 判断点是否在平面上 |
||||
/// </summary> |
||||
/// <returns></returns> |
||||
private static bool IsPointInPlane(Vector3 planePoint, Vector3 normal, Vector3 point) |
||||
{ |
||||
// 计算点到平面的距离 |
||||
// 点到平面的距离公式：d = (point - planePoint) · normal / |normal| |
||||
float distance = Vector3.Dot(point - planePoint, normal) / normal.Length(); |
||||
|
||||
// 如果距离为0，说明点在平面上 |
||||
return Math.Abs(distance) < 1e-6; // 容忍一个小的误差 |
||||
} |
||||
|
||||
public static void GenerateLightingForModel(Viewport3DX viewport) |
||||
{ |
||||
// 移除现有的灯光 |
||||
List<Light3D> lights = new List<Light3D>(); |
||||
foreach (var item in viewport.Items) |
||||
{ |
||||
if (item is Light3D) |
||||
{ |
||||
lights.Add(item as Light3D); |
||||
} |
||||
} |
||||
lights.ForEach(item => viewport.Items.Remove(item)); |
||||
|
||||
// 获取场景中最大的模型 |
||||
var models = viewport.Items.OfType<MeshGeometryModel3D>(); |
||||
if (!models.Any()) return; |
||||
|
||||
var largestModel = models |
||||
.OrderByDescending(m => GetBoundingBoxVolume(m.Geometry.Bound)) |
||||
.FirstOrDefault(); |
||||
|
||||
if (largestModel == null) return; |
||||
|
||||
// 获取最大模型的边界立方体 |
||||
var boundingBox = largestModel.Geometry.Bound; |
||||
var size = boundingBox.Size; |
||||
var center = boundingBox.Center; |
||||
|
||||
// 计算 Bounding Box 的八个顶点 |
||||
var corners = new List<Point3D> |
||||
{ |
||||
boundingBox.Minimum.ToPoint3D(), // 左下后 |
||||
new Point3D(boundingBox.Maximum.X, boundingBox.Minimum.Y, boundingBox.Minimum.Z), // 右下后 |
||||
new Point3D(boundingBox.Minimum.X, boundingBox.Maximum.Y, boundingBox.Minimum.Z), // 左上后 |
||||
new Point3D(boundingBox.Minimum.X, boundingBox.Minimum.Y, boundingBox.Maximum.Z), // 左下前 |
||||
boundingBox.Maximum.ToPoint3D(), // 右上前 |
||||
new Point3D(boundingBox.Maximum.X, boundingBox.Maximum.Y, boundingBox.Minimum.Z), // 右上后 |
||||
new Point3D(boundingBox.Minimum.X, boundingBox.Maximum.Y, boundingBox.Maximum.Z), // 左上前 |
||||
new Point3D(boundingBox.Maximum.X, boundingBox.Minimum.Y, boundingBox.Maximum.Z) // 右下前 |
||||
}; |
||||
|
||||
// 在每个顶点处添加光源 |
||||
for (int i = 0; i < corners.Count; i++) |
||||
{ |
||||
var corner = corners[i]; |
||||
|
||||
// 设置点光源的颜色和强度，使得八个点的光源具有不同效果 |
||||
var color = i % 2 == 0 ? Colors.LightGoldenrodYellow : Colors.LightSkyBlue; |
||||
|
||||
// 添加点光源 |
||||
var pointLight = new PointLight3D |
||||
{ |
||||
Position = corner, |
||||
Color = color, |
||||
Range = (float)size.Length() * 4 // 光照范围覆盖整个模型 |
||||
}; |
||||
|
||||
viewport.Items.Add(pointLight); |
||||
} |
||||
|
||||
// 添加顶部的多处光源（从上向下照射，模拟太阳光） |
||||
double topLightDistance = size.Y * 1.2; // 适当调整顶部光源的高度 |
||||
var topLightPositions = new List<Point3D> |
||||
{ |
||||
new Point3D(center.X, boundingBox.Maximum.Y + topLightDistance, center.Z), |
||||
new Point3D(boundingBox.Minimum.X - size.X / 3, boundingBox.Maximum.Y + topLightDistance, center.Z), |
||||
new Point3D(boundingBox.Maximum.X + size.X / 3, boundingBox.Maximum.Y + topLightDistance, center.Z) |
||||
}; |
||||
|
||||
foreach (var position in topLightPositions) |
||||
{ |
||||
var topLight = new PointLight3D |
||||
{ |
||||
Position = position, |
||||
Color = Colors.LightGoldenrodYellow, |
||||
Range = (float)size.Length() * 0.5, // 增加光的照射范围 |
||||
Attenuation = new Vector3D(1, 0.1f, 0.05f) // 控制光的衰减，使光在距离内更有效 |
||||
}; |
||||
viewport.Items.Add(topLight); |
||||
} |
||||
// 添加环境光以柔化整体效果并增加亮度 |
||||
var ambientLight = new AmbientLight3D |
||||
{ |
||||
Color = Colors.LightGray |
||||
}; |
||||
viewport.Items.Add(ambientLight); |
||||
|
||||
|
||||
var ambientLigh1t = new AmbientLight3D |
||||
{ |
||||
Color = Colors.Gray // 设置环境光颜色 |
||||
}; |
||||
viewport.Items.Add(ambientLigh1t); |
||||
|
||||
|
||||
// 添加环境光以柔化整体效果并增加亮度 |
||||
// var ambientLight = new AmbientLight3D |
||||
// { |
||||
// Color = Colors.LightGray |
||||
// }; |
||||
// viewport.Items.Add(ambientLight); |
||||
// 添加底部的光源（从底部中心向上照射） |
||||
// var bottomLightPosition = new Point3D(center.X, boundingBox.Minimum.Y - 1.0f, center.Z); // 位于底部中心点下方 |
||||
// var bottomLight = new PointLight3D |
||||
// { |
||||
// Position = bottomLightPosition, |
||||
// Color = Colors.White, // 白色光源 |
||||
// Range = (float)size.Length() * 2 // 设置光照范围 |
||||
// }; |
||||
// viewport.Items.Add(bottomLight); |
||||
} |
||||
|
||||
// 辅助方法：获取边界体积 |
||||
private static double GetBoundingBoxVolume(BoundingBox bound) |
||||
{ |
||||
var size = bound.Size; |
||||
return size.X * size.Y * size.Z; |
||||
} |
||||
|
||||
public static List<Viewport3DTriangleEntity> InitDemo(Viewport3DX viewport) |
||||
{ |
||||
List<Viewport3DTriangleEntity> entities = new List<Viewport3DTriangleEntity>(); |
||||
try |
||||
{ |
||||
using (FileStream fileStream = new FileStream(AppDomain.CurrentDomain.BaseDirectory + @"Resource\DimDemo.txt", FileMode.Open, FileAccess.Read)) |
||||
using (StreamReader reader = new StreamReader(fileStream)) |
||||
{ |
||||
string line; |
||||
while ((line = reader.ReadLine()) != null) |
||||
{ |
||||
if(string.IsNullOrWhiteSpace(line))continue; |
||||
if(line.StartsWith("-- "))continue; |
||||
entities.Add(Viewport3DTriangleEntity.CreateByString(line)); |
||||
} |
||||
} |
||||
} |
||||
catch (Exception ex) |
||||
{ |
||||
Console.WriteLine($"读取文件时出错：{ex.Message}"); |
||||
} |
||||
GenerateModelByEntity(viewport, entities); |
||||
GenerateLightingForModel(viewport); |
||||
|
||||
return entities; |
||||
} |
||||
|
||||
public static List<GeometryModel3D> GenerateEmissiveModelByEntity(Viewport3DX viewport, List<Viewport3DTriangleEntity> entities, Color4 emissiveColor) |
||||
{ |
||||
// 创建 MeshBuilder，启用法线生成 |
||||
var meshBuilder = new MeshBuilder(true, false); |
||||
viewport.RenderHost.MSAA = MSAALevel.Maximum; |
||||
|
||||
// 通过实体构建三角形面 |
||||
foreach (var entity in entities) |
||||
{ |
||||
List<Vector3> vertices = new List<Vector3>() { entity.Point1, entity.Point2, entity.Point3 }; |
||||
meshBuilder.AddPolygon(vertices); |
||||
} |
||||
|
||||
// 生成网格 |
||||
var mesh = meshBuilder.ToMeshGeometry3D(); |
||||
|
||||
// 创建自发光材质 |
||||
var material = new PBRMaterial |
||||
{ |
||||
AlbedoColor = new Color4(0, 0, 0, 1.0f), // 黑色，避免其他光照影响 |
||||
EmissiveColor = emissiveColor, // 自发光颜色 |
||||
MetallicFactor = 0.0, // 非金属 |
||||
RoughnessFactor = 1.0, // 高粗糙度，避免反射效果 |
||||
ReflectanceFactor = 0.0, // 无反射 |
||||
ClearCoatStrength = 0.0, // 无清漆效果 |
||||
ClearCoatRoughness = 1.0, // 高粗糙度 |
||||
}; |
||||
|
||||
// 设置材质的采样器状态 |
||||
material.SurfaceMapSampler = new SamplerStateDescription |
||||
{ |
||||
Filter = Filter.MinMagMipLinear, |
||||
AddressU = TextureAddressMode.Wrap, |
||||
AddressV = TextureAddressMode.Wrap, |
||||
AddressW = TextureAddressMode.Wrap |
||||
}; |
||||
|
||||
// 创建几何模型 |
||||
var geometryModel = new MeshGeometryModel3D |
||||
{ |
||||
Geometry = mesh, |
||||
Material = material |
||||
}; |
||||
|
||||
// 将几何模型添加到视图中 |
||||
viewport.Items.Add(geometryModel); |
||||
List<GeometryModel3D> result = new List<GeometryModel3D>(); |
||||
result.Add(geometryModel); |
||||
return result; |
||||
} |
||||
|
||||
public static List<GeometryModel3D> GenerateLineTextModelByEntity(Viewport3DX viewport, List<Viewport3DTriangleEntity> entities) |
||||
{ |
||||
List<GeometryModel3D> result = new List<GeometryModel3D>(); |
||||
List<Vector3> selFaceVector = new List<Vector3>(); |
||||
foreach (var entity in entities) |
||||
{ |
||||
selFaceVector.Add(entity.Point1); |
||||
selFaceVector.Add(entity.Point2); |
||||
selFaceVector.Add(entity.Point3); |
||||
} |
||||
var edgeLines = new List<Tuple<Vector3, Vector3>>(); |
||||
var lengths = new List<double>(); // 长度列表 |
||||
var angles = new List<double>(); // 夹角列表 |
||||
HashSet<Vector3> uniqueVectors = new HashSet<Vector3>(selFaceVector); |
||||
List<Vector3> sortedVectors = uniqueVectors.ToList(); |
||||
Vector3 center = GetCentroid(sortedVectors); |
||||
sortedVectors.Sort((v1, v2) => |
||||
{ |
||||
double angle1 = Math.Atan2(v1.Z - center.Z, v1.X - center.X); // 计算第一个点的角度 |
||||
double angle2 = Math.Atan2(v2.Z - center.Z, v2.X - center.X); // 计算第二个点的角度 |
||||
return angle1.CompareTo(angle2); // 按角度从小到大排序 |
||||
}); |
||||
for (int i = 0; i < sortedVectors.Count - 1; i++) |
||||
{ |
||||
var nowItem = sortedVectors[i]; |
||||
var nextItem = sortedVectors[i + 1]; |
||||
edgeLines.Add(new Tuple<Vector3, Vector3>(nowItem, nextItem)); |
||||
// 计算当前线段的长度 |
||||
lengths.Add((nextItem - nowItem).Length()); |
||||
} |
||||
edgeLines.Add(new Tuple<Vector3, Vector3>(sortedVectors.Last(), sortedVectors.First())); |
||||
lengths.Add((sortedVectors.Last() - sortedVectors.First()).Length()); |
||||
//计算夹角 |
||||
for (int i = 0; i < sortedVectors.Count; i++) |
||||
{ |
||||
int prevIndex = (i - 1 + sortedVectors.Count) % sortedVectors.Count; |
||||
int nextIndex = (i + 1) % sortedVectors.Count; |
||||
|
||||
// 获取三点 |
||||
var p1 = sortedVectors[prevIndex]; |
||||
var p2 = sortedVectors[i]; |
||||
var p3 = sortedVectors[nextIndex]; |
||||
|
||||
// 计算夹角 |
||||
var v1 = p2 - p1; |
||||
var v2 = p3 - p2; |
||||
double angle = AngleBetween(v1, v2); |
||||
angles.Add(angle); // 夹角，单位是度 |
||||
} |
||||
if (sortedVectors.Count == lengths.Count && sortedVectors.Count == angles.Count) |
||||
{ |
||||
for (int i = 0; i < sortedVectors.Count; i++) |
||||
{ |
||||
var point = sortedVectors[i]; |
||||
var pointNext = i + 1 >= sortedVectors.Count ? sortedVectors.First() : sortedVectors[i + 1]; |
||||
var lengthText = $"L: {lengths[i]:F2}"; |
||||
var angleText = $"Angle: {angles[i]:F2}°"; |
||||
|
||||
var lengthTextPoint = (pointNext + point) / 2; |
||||
|
||||
// 在合适位置显示文本 |
||||
var text3DL = DisplayText3D(lengthText, |
||||
new Vector3(lengthTextPoint.X, lengthTextPoint.Y + 0.5f, lengthTextPoint.Z)); |
||||
var text3DA = DisplayText3D(angleText, new Vector3(point.X, point.Y + 0.5f, point.Z + 0.5f)); |
||||
viewport.Items.Add(text3DL); |
||||
viewport.Items.Add(text3DA); |
||||
result.Add(text3DL); |
||||
result.Add(text3DA); |
||||
} |
||||
} |
||||
else |
||||
{ |
||||
// 如果列表长度不一致，给出提示信息 |
||||
Console.WriteLine("The lengths or angles list size does not match the sorted vectors list."); |
||||
} |
||||
var lineBuilder = new LineBuilder(); |
||||
foreach (var line in edgeLines) |
||||
{ |
||||
lineBuilder.AddLine(line.Item1, line.Item2); |
||||
} |
||||
|
||||
var edgeLinesModel = new LineGeometryModel3D |
||||
{ |
||||
Geometry = lineBuilder.ToLineGeometry3D(), |
||||
Color = System.Windows.Media.Colors.Red, |
||||
Thickness = 1.0 |
||||
}; |
||||
|
||||
viewport.Items.Add(edgeLinesModel); |
||||
result.Add(edgeLinesModel); |
||||
return result; |
||||
} |
||||
|
||||
|
||||
} |
||||
@ -0,0 +1,6 @@ |
||||
namespace SparkClient.Views.UserControl.ViewportData.Entity; |
||||
|
||||
public class MeasurementsDataEntity |
||||
{ |
||||
|
||||
} |
||||
@ -0,0 +1,41 @@ |
||||
using SharpDX; |
||||
using SparkClient.Views.UserControl.ViewportData.Enum; |
||||
|
||||
namespace SparkClient.Views.UserControl.ViewportData.Entity; |
||||
|
||||
/// <summary> |
||||
/// 三角形模型实体 |
||||
/// </summary> |
||||
public class Viewport3DTriangleEntity |
||||
{ |
||||
/// <summary> |
||||
/// 点1 |
||||
/// </summary> |
||||
public Vector3 Point1 { get; set; } |
||||
/// <summary> |
||||
/// 点2 |
||||
/// </summary> |
||||
public Vector3 Point2 { get; set; } |
||||
/// <summary> |
||||
/// 点3 |
||||
/// </summary> |
||||
public Vector3 Point3 { get; set; } |
||||
/// <summary> |
||||
/// 三角形代码[生成] |
||||
/// 按顺序：p1.x,p1.y,p1.z;p2.x,p2.y,p2.z;p3.x,p3.y,p3.z 拼接后使用生成大写16位md5 |
||||
/// </summary> |
||||
public String TriangleCode { get; set; } |
||||
/// <summary> |
||||
/// 面代码 |
||||
/// 由多个三角形组成的面的代码：entity1、entity2组成了一个正方形，那么他俩的TriangleCode属性值一致 |
||||
/// </summary> |
||||
public String PlaneCode { get; set; } |
||||
/// <summary> |
||||
/// 面类型 |
||||
/// 比如这个面时钻石的腰部分，那么type统一，当面类型为err时则该面是一个异常面 |
||||
/// 可选值：PlaneType |
||||
/// </summary> |
||||
public PlaneType PlaneType { get; set; } |
||||
|
||||
|
||||
} |
||||
@ -0,0 +1,31 @@ |
||||
using System.ComponentModel; |
||||
|
||||
namespace SparkClient.Views.UserControl.ViewportData.Enum; |
||||
|
||||
public enum PlaneType |
||||
{ |
||||
[Description("瑕疵面")] |
||||
Error = -1, |
||||
[Description("腰")] |
||||
Girdle = 0, |
||||
[Description("冠部")] |
||||
Crown = 1, |
||||
[Description("亭部")] |
||||
Pavilion = 2, |
||||
[Description("台面")] |
||||
TableFacet = 11, |
||||
[Description("冠部主刻面（风筝面）")] |
||||
UpperMainFacet = 12, |
||||
[Description("星刻面")] |
||||
StarFacet = 13, |
||||
[Description("上腰面")] |
||||
UpperGirdleFacet = 14, |
||||
[Description("亭部主刻面")] |
||||
PavilionMainFacet = 21, |
||||
[Description("下腰面")] |
||||
LowerGirdleFact = 22, |
||||
[Description("底尖（或底小面）")] |
||||
Culet = 23, |
||||
[Description("其他")] |
||||
Other = 99 |
||||
} |
||||
@ -0,0 +1,78 @@ |
||||
using System.Security.Cryptography; |
||||
using System.Text; |
||||
using Newtonsoft.Json; |
||||
using SharpDX; |
||||
using SparkClient.Views.UserControl.ViewportData.Entity; |
||||
using SparkClient.Views.UserControl.ViewportData.Enum; |
||||
|
||||
namespace SparkClient.Views.UserControl.ViewportData.Helper; |
||||
|
||||
public class CommonHelper |
||||
{ |
||||
public static Viewport3DTriangleEntity CreateByJsonStr(string json) |
||||
{ |
||||
// 解析 JSON 数据 |
||||
var jsonObject = JsonConvert.DeserializeObject<dynamic>(json); |
||||
if (jsonObject == null) throw new ArgumentException("Json object is null"); |
||||
// 提取坐标 |
||||
var coords = jsonObject.coords.ToObject<dynamic[]>(); |
||||
if (coords.Length < 3) |
||||
{ |
||||
throw new ArgumentException("The input JSON does not have enough points to form a triangle."); |
||||
} |
||||
|
||||
// 创建三角形顶点 |
||||
var point1 = new Vector3((float)coords[0].x, (float)coords[0].z, (float)coords[0].y); |
||||
var point2 = new Vector3((float)coords[1].x, (float)coords[1].z, (float)coords[1].y); |
||||
var point3 = new Vector3((float)coords[2].x, (float)coords[2].z, (float)coords[2].y); |
||||
// var point1 = new Vector3((float)coords[0].x, (float)coords[0].y, (float)coords[0].z); |
||||
// var point2 = new Vector3((float)coords[1].x, (float)coords[1].y, (float)coords[1].z); |
||||
// var point3 = new Vector3((float)coords[2].x, (float)coords[2].y, (float)coords[2].z); |
||||
|
||||
// 提取 PlaneCode 和 PlaneType |
||||
string planeCode = jsonObject.facet_id ?? (string)jsonObject.facet_id; |
||||
PlaneType planeType = (PlaneType)(int)jsonObject.facet_type; |
||||
|
||||
// 生成 TriangleCode |
||||
var triangleCode = GenerateTriangleCode(point1, point2, point3); |
||||
|
||||
// 创建并返回实体对象 |
||||
return new Viewport3DTriangleEntity |
||||
{ |
||||
Point1 = point1, |
||||
Point2 = point2, |
||||
Point3 = point3, |
||||
TriangleCode = triangleCode, |
||||
PlaneCode = planeCode, |
||||
PlaneType = planeType |
||||
}; |
||||
|
||||
} |
||||
|
||||
/// <summary> |
||||
/// 生成三角形签名 |
||||
/// </summary> |
||||
/// <param name="p1"></param> |
||||
/// <param name="p2"></param> |
||||
/// <param name="p3"></param> |
||||
/// <returns></returns> |
||||
public static string GenerateTriangleCode(Vector3 p1, Vector3 p2, Vector3 p3) |
||||
{ |
||||
var concatenated = $"{p1.X},{p1.Y},{p1.Z};{p2.X},{p2.Y},{p2.Z};{p3.X},{p3.Y},{p3.Z}"; |
||||
return GenerateMd5Hash(concatenated); |
||||
} |
||||
/// <summary> |
||||
/// 文本转32大写MD5 |
||||
/// </summary> |
||||
/// <param name="input"></param> |
||||
/// <returns></returns> |
||||
private static string GenerateMd5Hash(string input) |
||||
{ |
||||
using (var md5 = MD5.Create()) |
||||
{ |
||||
var inputBytes = Encoding.UTF8.GetBytes(input); |
||||
var hashBytes = md5.ComputeHash(inputBytes); |
||||
return string.Concat(hashBytes.Select(b => b.ToString("X2"))); |
||||
} |
||||
} |
||||
} |
||||
@ -0,0 +1,873 @@ |
||||
using System.Collections.ObjectModel; |
||||
using System.IO; |
||||
using System.Windows; |
||||
using System.Windows.Media; |
||||
using System.Windows.Media.Animation; |
||||
using System.Windows.Media.Imaging; |
||||
using System.Windows.Media.Media3D; |
||||
using HelixToolkit.Wpf.SharpDX; |
||||
using SharpDX; |
||||
using SharpDX.Direct3D11; |
||||
using SparkClient.Views.UserControl.ViewportData.Enum; |
||||
using SparkClient.Views.UserControl.ViewportData.Entity; |
||||
using Color = SharpDX.Color; |
||||
using GeometryModel3D = HelixToolkit.Wpf.SharpDX.GeometryModel3D; |
||||
|
||||
namespace SparkClient.Views.UserControl.ViewportData.Helper; |
||||
|
||||
public class ViewportHelperPro |
||||
{ |
||||
/// <summary> |
||||
/// 对指定类型的面进行标色 |
||||
/// </summary> |
||||
/// <param name="planeType"></param> |
||||
/// <param name="color"></param> |
||||
/// <returns></returns> |
||||
public static MeshGeometryModel3D GenerateTypePanelHot(PlaneType planeType, Color4? color = null) |
||||
{ |
||||
var entities = ViewportManager.ViewportTriangle.Where(e=>e.PlaneType==planeType).ToList(); |
||||
return GenerateModelByEntity(entities, color??ViewportManager.Red); |
||||
} |
||||
|
||||
#region 已经确定和调整好的方法 |
||||
/// <summary> |
||||
/// 通过三角形实体集合生成面模型(生成并添加) |
||||
/// </summary> |
||||
/// <param name="viewport"></param> |
||||
/// <param name="entities"></param> |
||||
public static MeshGeometryModel3D GenerateModelByEntity(Viewport3DX viewport, List<Viewport3DTriangleEntity> entities, Color4? color = null) |
||||
{ |
||||
var geometryModel = GenerateModelByEntity(entities, color); |
||||
viewport.Items.Add(geometryModel); |
||||
return geometryModel; |
||||
} |
||||
|
||||
/// <summary> |
||||
/// 通过三角形实体集合生成面模型(只生成不添加) |
||||
/// </summary> |
||||
/// <param name="entities"></param> |
||||
/// <param name="color"></param> |
||||
/// <returns></returns> |
||||
public static MeshGeometryModel3D GenerateModelByEntity(List<Viewport3DTriangleEntity> entities, Color4? color = null) |
||||
{ |
||||
var meshBuilder = new MeshBuilder(true, false); |
||||
foreach (var entity in entities) |
||||
{ |
||||
meshBuilder.AddPolygon(new List<Vector3>() { entity.Point1, entity.Point2, entity.Point3 }); |
||||
} |
||||
var mesh = meshBuilder.ToMeshGeometry3D(); |
||||
|
||||
var material = new PBRMaterial |
||||
{ |
||||
AlbedoColor = ViewportManager.Black, // 黑色，避免其他光照影响 |
||||
EmissiveColor =color ?? ViewportManager.LightGray , // LightGray #D3D3D3 |
||||
MetallicFactor = 0.0, // 非金属 |
||||
RoughnessFactor = 1.0, // 高粗糙度，避免反射效果 |
||||
ReflectanceFactor = 0.0, // 无反射 |
||||
ClearCoatStrength = 0.0, // 无清漆效果 |
||||
ClearCoatRoughness = 1.0, // 高粗糙度 |
||||
SurfaceMapSampler = new SamplerStateDescription |
||||
{ |
||||
Filter = Filter.MinMagMipLinear, |
||||
AddressU = TextureAddressMode.Wrap, |
||||
AddressV = TextureAddressMode.Wrap, |
||||
AddressW = TextureAddressMode.Wrap |
||||
}, |
||||
// NormalMap = texture |
||||
}; |
||||
return new MeshGeometryModel3D |
||||
{ |
||||
Geometry = mesh, |
||||
Material = material, |
||||
}; |
||||
} |
||||
/// <summary> |
||||
/// 保存模型截图 |
||||
/// </summary> |
||||
/// <param name="viewport"></param> |
||||
/// <param name="filePath"></param> |
||||
public static void SaveViewportAsImage(Viewport3DX viewport, string filePath) |
||||
{ |
||||
// 定义图像大小 |
||||
int width = (int)viewport.ActualWidth; |
||||
int height = (int)viewport.ActualHeight; |
||||
|
||||
// 创建 RenderTargetBitmap，捕获 Viewport3DX 的内容 |
||||
var renderTargetBitmap = new RenderTargetBitmap(width, height, 96, 96, PixelFormats.Pbgra32); |
||||
renderTargetBitmap.Render(viewport); |
||||
|
||||
// 使用 PngBitmapEncoder 保存为 PNG 文件 |
||||
var encoder = new PngBitmapEncoder(); |
||||
encoder.Frames.Add(BitmapFrame.Create(renderTargetBitmap)); |
||||
|
||||
using (var fileStream = new FileStream(filePath, FileMode.Create)) |
||||
{ |
||||
encoder.Save(fileStream); |
||||
} |
||||
} |
||||
|
||||
/// <summary> |
||||
/// 导出模型 |
||||
/// </summary> |
||||
/// <param name="viewport"></param> |
||||
/// <param name="filePath"></param> |
||||
public static void ExportModelsToStl(Viewport3DX viewport, string filePath) |
||||
{ |
||||
// 打开文件写入流 |
||||
using (StreamWriter writer = new StreamWriter(filePath)) |
||||
{ |
||||
writer.WriteLine("solid exportedModel"); |
||||
foreach (var model in viewport.Items.OfType<MeshGeometryModel3D>()) |
||||
{ |
||||
if (model.Geometry is HelixToolkit.Wpf.SharpDX.Geometry3D geometry) |
||||
{ |
||||
var positions = geometry.Positions; |
||||
var indices = geometry.Indices; |
||||
|
||||
// 每三个索引构成一个三角形 |
||||
for (int i = 0; i < indices.Count; i += 3) |
||||
{ |
||||
int index0 = indices[i]; |
||||
int index1 = indices[i + 1]; |
||||
int index2 = indices[i + 2]; |
||||
|
||||
var p0 = positions[index0]; |
||||
var p1 = positions[index1]; |
||||
var p2 = positions[index2]; |
||||
|
||||
// 计算法线 |
||||
var normal = CalculateNormal(p0, p1, p2); |
||||
|
||||
// 写入三角形信息到 STL 文件 |
||||
writer.WriteLine($" facet normal {normal.X} {normal.Z} {normal.Y}"); |
||||
writer.WriteLine(" outer loop"); |
||||
writer.WriteLine($" vertex {p0.X} {p0.Z} {p0.Y}"); |
||||
writer.WriteLine($" vertex {p1.X} {p1.Z} {p1.Y}"); |
||||
writer.WriteLine($" vertex {p2.X} {p2.Z} {p2.Y}"); |
||||
writer.WriteLine(" endloop"); |
||||
writer.WriteLine(" endfacet"); |
||||
} |
||||
} |
||||
} |
||||
|
||||
// 写入 STL 文件结束 |
||||
writer.WriteLine("endsolid exportedModel"); |
||||
} |
||||
} |
||||
|
||||
/// <summary> |
||||
/// 通过三角形实体集合生成每个面的边框线 |
||||
/// </summary> |
||||
/// <param name="viewport"></param> |
||||
/// <param name="entities"></param> |
||||
public static List<LineGeometryModel3D> GentrateLineByEntity(Viewport3DX viewport, List<Viewport3DTriangleEntity> entities, Color4? color = null, double thickness = 1.0) |
||||
{ |
||||
List<LineGeometryModel3D> result = GentrateLineByEntity(entities, color, thickness); |
||||
result.ForEach(e => viewport.Items.Add(e)); |
||||
return result; |
||||
} |
||||
|
||||
/// <summary> |
||||
/// 通过三角形实体集合生成每个面的边框线(只生成不添加) |
||||
/// </summary> |
||||
/// <param name="entities"></param> |
||||
/// <param name="color"></param> |
||||
/// <param name="thickness"></param> |
||||
/// <returns></returns> |
||||
public static List<LineGeometryModel3D> GentrateLineByEntity(List<Viewport3DTriangleEntity> entities, Color4? color = null, double thickness = 1.0) |
||||
{ |
||||
List<LineGeometryModel3D> result = new List<LineGeometryModel3D>(); |
||||
//按面分组，腰面特殊单独生成 |
||||
List<Viewport3DTriangleEntity> waistList = entities |
||||
.Where(entity => entity.PlaneType == PlaneType.Girdle) |
||||
.ToList(); |
||||
|
||||
Dictionary<string, List<Viewport3DTriangleEntity>> feactList = entities |
||||
.Where(entity => entity.PlaneType != PlaneType.Girdle) |
||||
.GroupBy(entity => entity.PlaneCode) |
||||
.ToDictionary(group => group.Key, group => group.ToList()); |
||||
|
||||
foreach (var item in feactList) |
||||
{ |
||||
//GenerateLineTextModelByEntity(viewport, item.Value, Viewport3DManager.Gray); |
||||
List<Vector3> temp = new List<Vector3>(); |
||||
foreach (var entity in item.Value) |
||||
{ |
||||
temp.Add(entity.Point1); |
||||
temp.Add(entity.Point2); |
||||
temp.Add(entity.Point3); |
||||
} |
||||
result.Add(DisplayLineModel3D(VectorClockwiseSort(new HashSet<Vector3>(temp).ToList()), color??ViewportManager.LineColor, thickness)); |
||||
} |
||||
|
||||
//腰 - 特殊 |
||||
List<Vector3> selFaceVector = new List<Vector3>(); |
||||
if (waistList.Count > 0) |
||||
{ |
||||
foreach (var entity in waistList) |
||||
{ |
||||
selFaceVector.Add(entity.Point1); |
||||
selFaceVector.Add(entity.Point2); |
||||
selFaceVector.Add(entity.Point3); |
||||
} |
||||
HashSet<Vector3> uniqueVectors = new HashSet<Vector3>(selFaceVector); |
||||
float maxY = uniqueVectors.Max(v => v.Y); |
||||
float minY = uniqueVectors.Min(v => v.Y); |
||||
float mid = (maxY + minY) / 2; |
||||
ViewportManager.GirdleTopLines.Clear(); |
||||
ViewportManager.GirdleBottomLines.Clear(); |
||||
foreach (var vector in uniqueVectors) |
||||
{ |
||||
if(vector.Y < mid) |
||||
ViewportManager.GirdleBottomLines.Add(vector); |
||||
else |
||||
ViewportManager.GirdleTopLines.Add(vector); |
||||
} |
||||
result.Add(DisplayLineModel3D( VectorClockwiseSort(ViewportManager.GirdleBottomLines), color??ViewportManager.LineColor, thickness)); |
||||
result.Add(DisplayLineModel3D( VectorClockwiseSort(ViewportManager.GirdleTopLines), color??ViewportManager.LineColor, thickness)); |
||||
|
||||
} |
||||
return result; |
||||
} |
||||
|
||||
/// <summary> |
||||
/// 显示线段长度mm |
||||
/// </summary> |
||||
/// <param name="entities">三角形集合</param> |
||||
/// <param name="textColor">文字颜色</param> |
||||
/// <param name="showAll">是否显示全部（false：只显示不重复）</param> |
||||
/// <returns></returns> |
||||
public static List<GeometryModel3D> GenerateLineTextModels(List<Viewport3DTriangleEntity> entities, |
||||
Color4? textColor = null,bool showAll = false) |
||||
{ |
||||
var result = new List<GeometryModel3D>(); |
||||
var selFaceVector = entities |
||||
.SelectMany(entity => new[] { entity.Point1, entity.Point2, entity.Point3 }) |
||||
.Distinct() |
||||
.ToList(); |
||||
var uniqueLines = new HashSet<string>(); |
||||
var sortedVectors = VectorClockwiseSort(selFaceVector); |
||||
for (int i = 0; i < sortedVectors.Count; i++) |
||||
{ |
||||
var current = sortedVectors[i]; |
||||
var next = sortedVectors[(i + 1) % sortedVectors.Count]; |
||||
|
||||
double length = (next - current).Length(); |
||||
string lineKey = $"{length:F2}"; |
||||
if (showAll == false) |
||||
{ |
||||
if (uniqueLines.Contains(lineKey)) continue; |
||||
uniqueLines.Add(lineKey); |
||||
} |
||||
var midPoint = (current + next) / 2; |
||||
var text = $"{length:F2}mm"; |
||||
var textY = midPoint.Y > ViewportManager.CenterVector.Y ? midPoint.Y + 0.3f : midPoint.Y - 0.3f; |
||||
var lengthTextModel = DisplayText3D(text, new Vector3(midPoint.X, textY, midPoint.Z),next - current, textColor); |
||||
result.Add(lengthTextModel); |
||||
} |
||||
return result; |
||||
} |
||||
|
||||
/// <summary> |
||||
/// 生成选择的视图（） |
||||
/// </summary> |
||||
/// <param name="triangleCode">三角形ID</param> |
||||
/// <param name="selType">生成范围</param> |
||||
/// <returns></returns> |
||||
public static List<GeometryModel3D> GentrateChosenView(string triangleCode, params SelShowType[] selType) |
||||
{ |
||||
var res = ViewportManager.ViewportTriangle.Find(e => triangleCode.Equals(e.TriangleCode)); |
||||
if(res != null) |
||||
return GentrateChosenView(res, selType); |
||||
return new List<GeometryModel3D>(); |
||||
} |
||||
|
||||
/// <summary> |
||||
/// 生成选择的视图（只生成，不添加！！） |
||||
/// </summary> |
||||
/// <param name="entity">选中的实体</param> |
||||
/// <param name="selType">生成范围</param> |
||||
/// <returns></returns> |
||||
/// <exception cref="Exception"></exception> |
||||
public static List<GeometryModel3D> GentrateChosenView(Viewport3DTriangleEntity entity, params SelShowType[] selType) |
||||
{ |
||||
if (entity == null || entity.TriangleCode == null || entity.TriangleCode.Length == 0) |
||||
{ |
||||
throw new Exception("Invalid Viewport3DTriangleEntity object!"); |
||||
} |
||||
|
||||
if (selType == null || selType.Length == 0) |
||||
{ |
||||
throw new Exception("Invalid SelShowType collection"); |
||||
} |
||||
List<GeometryModel3D> result = new List<GeometryModel3D>(); |
||||
|
||||
//选中的面 |
||||
var selPanel = ViewportManager.ViewportTriangle.Where(e => entity.PlaneCode.Equals(e.PlaneCode)).ToList(); |
||||
//选中同类的面 |
||||
var selPanelType = ViewportManager.ViewportTriangle.Where(e => entity.PlaneType.Equals(e.PlaneType)).ToList(); |
||||
selPanel.ForEach(e=>selPanelType.Remove(e)); |
||||
foreach (var type in selType) |
||||
{ |
||||
switch (type) |
||||
{ |
||||
case SelShowType.SelPanel: |
||||
//选中面的高亮 |
||||
result.Add(GenerateModelByEntity(selPanel, ViewportManager.DarkKhaki)); |
||||
break; |
||||
case SelShowType.Border: |
||||
//选中面边框的高亮 |
||||
result.AddRange(GentrateLineByEntity(selPanel, ViewportManager.Black)); |
||||
break; |
||||
case SelShowType.IsTypePanel: |
||||
//选中面的同类面高亮 |
||||
result.Add(GenerateModelByEntity(selPanelType, ViewportManager.LtGoldenrodYello)); |
||||
break; |
||||
case SelShowType.LengthText: |
||||
//选中面 每条边长度标记 |
||||
if(PlaneType.Girdle == entity.PlaneType)break; |
||||
result.AddRange(GenerateLineTextModels(selPanel)); |
||||
break; |
||||
case SelShowType.BorderAngle: |
||||
//选中面 每条边向内的夹角 |
||||
if(PlaneType.Girdle == entity.PlaneType)break; |
||||
result.AddRange(GenerateLineAngleTextModels(selPanel)); |
||||
break; |
||||
} |
||||
} |
||||
//生成的需要添加的元素 |
||||
return result; |
||||
} |
||||
|
||||
|
||||
/// <summary> |
||||
/// 生成线段夹角文本（不绘制） |
||||
/// </summary> |
||||
/// <param name="entities">线集合</param> |
||||
/// <param name="textColor">文本颜色（默认红）</param> |
||||
/// <param name="showAll">是否显示全部（默认否）</param> |
||||
/// <returns></returns> |
||||
public static List<GeometryModel3D> GenerateLineAngleTextModels(List<Viewport3DTriangleEntity> entities, |
||||
Color4? textColor = null, bool showAll = false) |
||||
{ |
||||
var result = new List<GeometryModel3D>(); |
||||
var uniqueAngles = new HashSet<string>(); |
||||
var selFaceVector = entities |
||||
.SelectMany(entity => new[] { entity.Point1, entity.Point2, entity.Point3 }) |
||||
.Distinct() |
||||
.ToList(); |
||||
|
||||
var sortedVectors = VectorClockwiseSort(selFaceVector); |
||||
|
||||
for (int i = 0; i < sortedVectors.Count; i++) |
||||
{ |
||||
int prevIndex = (i - 1 + sortedVectors.Count) % sortedVectors.Count; |
||||
int nextIndex = (i + 1) % sortedVectors.Count; |
||||
|
||||
var p1 = sortedVectors[prevIndex]; |
||||
var p2 = sortedVectors[i]; |
||||
var p3 = sortedVectors[nextIndex]; |
||||
|
||||
// 向量 |
||||
var v1 = Vector3.Normalize(p1 - p2); |
||||
var v2 = Vector3.Normalize(p3 - p2); |
||||
|
||||
// 计算内角（考虑方向性） |
||||
double angle = Math.Acos(Vector3.Dot(v1, v2)) * (180 / Math.PI); |
||||
|
||||
string angleKey = $"{angle:F2}"; // 唯一标识 |
||||
if (showAll == false) |
||||
{ |
||||
if (uniqueAngles.Contains(angleKey)) continue; |
||||
uniqueAngles.Add(angleKey); |
||||
} |
||||
|
||||
// 显示内角 |
||||
var text = $"{angle:F2}°"; |
||||
var textY = p2.Y > ViewportManager.CenterVector.Y ? p2.Y + 0.3f : p2.Y - 0.3f; |
||||
var angleTextModel = DisplayText3D(text, new Vector3(p2.X, textY, p2.Z), textColor); |
||||
result.Add(angleTextModel); |
||||
} |
||||
|
||||
return result; |
||||
} |
||||
|
||||
#endregion |
||||
|
||||
/// <summary> |
||||
/// 旋转主体 |
||||
/// </summary> |
||||
/// <param name="axis">中心</param> |
||||
/// <param name="hasLine">是否包含线</param> |
||||
/// <param name="speed">旋转时间 秒</param> |
||||
public static void RotateModel(Vector3D axis, bool hasLine = true, int speed = 5) |
||||
{ |
||||
// 设置旋转的中心点和旋转轴 |
||||
var rotateTransform = new RotateTransform3D(); |
||||
var rotation = new AxisAngleRotation3D(axis, 0); // 初始角度为 0 |
||||
rotateTransform.Rotation = rotation; |
||||
rotateTransform.CenterX = ViewportManager.CenterVector.X; |
||||
rotateTransform.CenterY = ViewportManager.CenterVector.Y; |
||||
rotateTransform.CenterZ = ViewportManager.CenterVector.Z; |
||||
|
||||
// 将旋转变换应用到模型 |
||||
ViewportManager.MainModel3D.Transform = rotateTransform; |
||||
if(hasLine) |
||||
ViewportManager.MainModelLines.ForEach(e => e.Transform = rotateTransform); |
||||
// 创建旋转动画 |
||||
var rotateAnimation = new DoubleAnimation |
||||
{ |
||||
From = 0, |
||||
To = 360, |
||||
Duration = new Duration(TimeSpan.FromSeconds(speed)), |
||||
FillBehavior = FillBehavior.HoldEnd |
||||
}; |
||||
|
||||
// 应用动画 |
||||
rotation.BeginAnimation(AxisAngleRotation3D.AngleProperty, rotateAnimation); |
||||
} |
||||
|
||||
|
||||
|
||||
|
||||
/// <summary> |
||||
/// 在场景中添加文字 |
||||
/// </summary> |
||||
/// <param name="text">文字</param> |
||||
/// <param name="position">位置</param> |
||||
/// <returns></returns> |
||||
public static BillboardTextModel3D DisplayText3D(string text, Vector3 position, Color4? color = null) |
||||
{ |
||||
var billboardTextModel = new BillboardTextModel3D(); |
||||
var billboardText = new BillboardText3D(); |
||||
billboardText.TextInfo.Add(new TextInfo(text, position) |
||||
{ |
||||
Foreground = color??ViewportManager.Red, |
||||
Scale = 0.5f, |
||||
}); |
||||
billboardTextModel.Geometry = billboardText; |
||||
return billboardTextModel; |
||||
} |
||||
/// <summary> |
||||
/// 在场景中添加文字 |
||||
/// </summary> |
||||
/// <param name="text"></param> |
||||
/// <param name="position"></param> |
||||
/// <param name="direction"></param> |
||||
/// <param name="color"></param> |
||||
/// <returns></returns> |
||||
public static BillboardTextModel3D DisplayText3D(string text, Vector3 position, Vector3 direction, Color4? color = null) |
||||
{ |
||||
// 计算线段方向的角度 |
||||
double angle = Math.Atan2(direction.Y, direction.X) * (180 / Math.PI); |
||||
|
||||
var billboardTextModel = new BillboardTextModel3D() |
||||
{ |
||||
Geometry = new BillboardText3D() |
||||
{ |
||||
TextInfo = new ObservableCollection<TextInfo>() |
||||
{ |
||||
new TextInfo(text, position){ |
||||
Foreground = color ?? ViewportManager.Red, |
||||
Scale = 0.5f, |
||||
Offset = new Vector2(0.2f, 0.2f), |
||||
// Angle = (float)angle // 设置文字的旋转角度 |
||||
} |
||||
} |
||||
}, |
||||
DepthBias = -99, |
||||
SlopeScaledDepthBias = 1.0f, |
||||
IsDepthClipEnabled = true |
||||
}; |
||||
|
||||
|
||||
return billboardTextModel; |
||||
} |
||||
/// <summary> |
||||
/// 生成线对象 |
||||
/// </summary> |
||||
/// <param name="points">点集合（自动闭环）</param> |
||||
/// <param name="lineColor">线颜色</param> |
||||
/// <param name="thickness">线粗细 默认1</param> |
||||
/// <returns></returns> |
||||
public static LineGeometryModel3D DisplayLineModel3D(List<Vector3> points, Color4 lineColor, |
||||
double thickness = 1.0) |
||||
{ |
||||
var edgeLines = new List<Tuple<Vector3, Vector3>>(); |
||||
for (int i = 0; i < points.Count - 1; i++) |
||||
{ |
||||
var nowItem = points[i]; |
||||
var nextItem = points[i + 1]; |
||||
edgeLines.Add(new Tuple<Vector3, Vector3>(nowItem, nextItem)); |
||||
|
||||
} |
||||
edgeLines.Add(new Tuple<Vector3, Vector3>(points.Last(), points.First())); |
||||
return DisplayLineModel3D(edgeLines, lineColor, thickness); |
||||
} |
||||
/// <summary> |
||||
/// 在正方向生成相机 |
||||
/// </summary> |
||||
/// <param name="positiveDirection"></param> |
||||
/// <param name="boundingBox"></param> |
||||
/// <param name="fieldOfView"></param> |
||||
/// <param name="aspectRatio"></param> |
||||
/// <returns></returns> |
||||
public static HelixToolkit.Wpf.SharpDX.PerspectiveCamera CalculateCamera(Vector3 positiveDirection, BoundingBox boundingBox, double fieldOfView = 45, double aspectRatio = 16.0 / 9.0) |
||||
{ |
||||
// 单位化正方向 |
||||
var normalizedDirection = Vector3.Normalize(positiveDirection); |
||||
|
||||
// 计算模型中心和最大尺寸 |
||||
var center = boundingBox.Center; // 包围盒中心 |
||||
var maxDimension = boundingBox.Size.Length(); // 包围盒对角线长度 |
||||
|
||||
// 计算视场角的一半（弧度制） |
||||
var halfFov = Math.PI * fieldOfView / 360.0; |
||||
|
||||
// 计算相机距离 |
||||
var distance = maxDimension / (2 * Math.Tan(halfFov)); |
||||
|
||||
// 相机位置和朝向 |
||||
var cameraPosition = center - normalizedDirection * (float)distance; // 沿正方向放置相机 |
||||
var lookDirection = center - cameraPosition; // 朝向模型中心 |
||||
|
||||
|
||||
// 创建并返回相机 |
||||
return new HelixToolkit.Wpf.SharpDX.PerspectiveCamera |
||||
{ |
||||
Position = cameraPosition.ToPoint3D(), |
||||
LookDirection = lookDirection.ToVector3D(), |
||||
UpDirection = new Vector3D(0, 1, 0), // 默认全局 Y 轴为上方向 |
||||
FieldOfView = fieldOfView, |
||||
}; |
||||
} |
||||
|
||||
/// <summary> |
||||
/// 绘制箭头（相机指向模型中心） |
||||
/// </summary> |
||||
/// <param name="cameraPosition">相机位置</param> |
||||
/// <param name="modelCenter">中心位置</param> |
||||
/// <param name="modelBounds">模型</param> |
||||
/// <param name="totalLength">箭头总长度 D:5</param> |
||||
/// <param name="cylinderRatio">圆柱部分占比 0.7</param> |
||||
/// <param name="diameter">箭头直径 1</param> |
||||
/// <param name="headDiameterRatio">圆锥直径与圆柱直径的比例 1.5</param> |
||||
/// <param name="padding">模型边界范围 1</param> |
||||
/// <returns></returns> |
||||
public static MeshGeometryModel3D CreateArrow( |
||||
Vector3 cameraPosition, |
||||
Vector3 modelCenter, |
||||
BoundingBox modelBounds, |
||||
float totalLength = 2f, // 箭头总长度 |
||||
float cylinderRatio = 0.7f,// 圆柱部分占比 |
||||
float diameter = 0.5f, // 箭头直径 |
||||
float headDiameterRatio = 1f, // 圆锥直径与圆柱直径的比例 |
||||
float padding = 2.0f |
||||
) |
||||
{ |
||||
// 计算模型的半径（对角线的一半） |
||||
var modelSize = modelBounds.Size; |
||||
var modelRadius = modelSize.Length() / 2; |
||||
|
||||
// 计算方向向量（从相机位置指向模型中心） |
||||
var direction = Vector3.Normalize(modelCenter - cameraPosition); |
||||
|
||||
// 调整箭头起点，避免与模型交集 |
||||
var adjustedStart = modelCenter - direction * (modelRadius + padding); |
||||
|
||||
// 计算圆柱和圆锥部分长度 |
||||
float cylinderLength = totalLength * cylinderRatio; |
||||
float coneLength = totalLength - cylinderLength; |
||||
|
||||
// 箭头圆柱终点 |
||||
var cylinderEnd = adjustedStart + direction * cylinderLength; |
||||
|
||||
// 箭头终点（圆锥部分终点） |
||||
var arrowEnd = cylinderEnd + direction * coneLength; |
||||
|
||||
// 创建箭头几何体 |
||||
var builder = new MeshBuilder(); |
||||
|
||||
// 添加圆柱部分 |
||||
builder.AddCylinder(adjustedStart, cylinderEnd, diameter, 20); |
||||
|
||||
// 添加圆锥部分 |
||||
builder.AddCone(cylinderEnd, arrowEnd, diameter * headDiameterRatio, true, 20); |
||||
|
||||
// 设置箭头自发光材质 |
||||
var material = new PhongMaterial |
||||
{ |
||||
DiffuseColor = Color.Red, // 箭头的基本颜色 |
||||
EmissiveColor = Color.Red // 箭头自发光颜色 |
||||
}; |
||||
|
||||
|
||||
|
||||
// 创建 3D 模型 |
||||
return new MeshGeometryModel3D |
||||
{ |
||||
Geometry = builder.ToMeshGeometry3D(), |
||||
Material = material |
||||
}; |
||||
} |
||||
|
||||
|
||||
/// <summary> |
||||
/// 生成线对象 |
||||
/// </summary> |
||||
/// <param name="points">线段集合</param> |
||||
/// <param name="lineColor">线段颜色</param> |
||||
/// <param name="thickness">线段粗细</param> |
||||
/// <returns></returns> |
||||
public static LineGeometryModel3D DisplayLineModel3D(List<Tuple<Vector3, Vector3>> points, Color4 lineColor, |
||||
double thickness = 1.0) |
||||
{ |
||||
var lineBuilder = new LineBuilder(); |
||||
foreach (var line in points) |
||||
{ |
||||
lineBuilder.AddLine(line.Item1, line.Item2); |
||||
} |
||||
|
||||
|
||||
var edgeLinesModel = new LineGeometryModel3D |
||||
{ |
||||
Geometry = lineBuilder.ToLineGeometry3D(), |
||||
Color = lineColor.ToColor(), |
||||
Thickness = thickness, |
||||
}; |
||||
return edgeLinesModel; |
||||
} |
||||
|
||||
/// <summary> |
||||
/// 根据视图中模型生成光照 |
||||
/// </summary> |
||||
/// <param name="viewport"></param> |
||||
/// <returns></returns> |
||||
public static List<Light3D> GenerateLightingForModel(Viewport3DX viewport) |
||||
{ |
||||
|
||||
List<Light3D> result = new List<Light3D>(); |
||||
|
||||
var models = viewport.Items.OfType<MeshGeometryModel3D>(); |
||||
if (!models.Any()) throw new Exception("Model in view not found"); |
||||
var largestModel = models |
||||
.OrderByDescending(m => GetBoundingBoxVolume(m.Geometry.Bound)) |
||||
.FirstOrDefault(); |
||||
if (largestModel == null) throw new Exception("Model in view not found"); |
||||
var boundingBox = largestModel.Geometry.Bound; |
||||
var size = boundingBox.Size; |
||||
var center = boundingBox.Center; |
||||
ViewportManager.CenterVector = center; |
||||
ViewportManager.ModelBounds = boundingBox; |
||||
var yao = CalculateCenter(ViewportManager.GirdleTopLines, ViewportManager.GirdleBottomLines); |
||||
var corners = new List<Point3D> |
||||
{ |
||||
new Point3D(boundingBox.Minimum.X-0.5, boundingBox.Minimum.Y-boundingBox.Maximum.Y/2, boundingBox.Minimum.Z-0.5), // 右下后 |
||||
new Point3D(boundingBox.Maximum.X+0.5, boundingBox.Minimum.Y-boundingBox.Maximum.Y/2, boundingBox.Minimum.Z-0.5), // 右下后 |
||||
new Point3D(boundingBox.Minimum.X-0.5, boundingBox.Minimum.Y-boundingBox.Maximum.Y/2, boundingBox.Maximum.Z+0.5), // 左下前 |
||||
new Point3D(boundingBox.Maximum.X+0.5, boundingBox.Minimum.Y-boundingBox.Maximum.Y/2, boundingBox.Maximum.Z+0.5), // 右下前 |
||||
|
||||
// new Point3D(boundingBox.Minimum.X-1, yao.Y, boundingBox.Minimum.Z-1), // 右下后 |
||||
// new Point3D(boundingBox.Maximum.X+1, yao.Y, boundingBox.Minimum.Z-1), // 右下后 |
||||
// new Point3D(boundingBox.Minimum.X-1, yao.Y, boundingBox.Maximum.Z+1), // 左下前 |
||||
// new Point3D(boundingBox.Maximum.X+1, yao.Y, boundingBox.Maximum.Z+1), // 右下前 |
||||
|
||||
new Point3D(boundingBox.Minimum.X-0.5, boundingBox.Maximum.Y+boundingBox.Maximum.Y/4, boundingBox.Minimum.Z-0.5), // 左上后 |
||||
new Point3D(boundingBox.Maximum.X+0.5, boundingBox.Maximum.Y+boundingBox.Maximum.Y/4,boundingBox.Maximum.Z+0.5), // 右上前 |
||||
new Point3D(boundingBox.Maximum.X+0.5, boundingBox.Maximum.Y+boundingBox.Maximum.Y/4, boundingBox.Minimum.Z-0.5), // 右上后 |
||||
new Point3D(boundingBox.Minimum.X-0.5, boundingBox.Maximum.Y+boundingBox.Maximum.Y/4, boundingBox.Maximum.Z+0.5), // 左上前 |
||||
}; |
||||
for (int i = 0; i < corners.Count; i++) |
||||
{ |
||||
var corner = corners[i]; |
||||
var color = i % 2 == 0 ? Colors.LightGoldenrodYellow : Colors.LightSkyBlue; |
||||
var pointLight = new PointLight3D |
||||
{ |
||||
Position = corner, |
||||
Color = color, |
||||
Range = (float)size.Length() |
||||
}; |
||||
result.Add(pointLight); |
||||
} |
||||
// var topLightPositions = new List<Point3D> |
||||
// { |
||||
// new Point3D(center.X, center.Y, center.Z), |
||||
// }; |
||||
// foreach (var position in topLightPositions) |
||||
// { |
||||
// var topLight = new PointLight3D |
||||
// { |
||||
// Position = position, |
||||
// Color = Colors.LightGoldenrodYellow, |
||||
// Range = (float)size.Length() * 0.5, // 增加光的照射范围 |
||||
// Attenuation = new Vector3D(1, 0.1f, 0.05f) // 控制光的衰减，使光在距离内更有效 |
||||
// }; |
||||
// result.Add(topLight); |
||||
// } |
||||
// 添加环境光以柔化整体效果并增加亮度 |
||||
result.Add(new AmbientLight3D |
||||
{ |
||||
Color = Colors.LightGray |
||||
}); |
||||
|
||||
result.Add(new AmbientLight3D |
||||
{ |
||||
Color = Colors.Gray // 设置环境光颜色 |
||||
}); |
||||
|
||||
RemoveLightingInViewport(viewport); |
||||
result.ForEach(e => viewport.Items.Add(e)); |
||||
return result; |
||||
} |
||||
|
||||
public static Vector3 GetCenterOfTriangles(List<Viewport3DTriangleEntity> triangles) |
||||
{ |
||||
if (triangles == null || triangles.Count == 0) |
||||
throw new ArgumentException("The list of triangles cannot be null or empty."); |
||||
|
||||
// 累加所有顶点的坐标 |
||||
Vector3 total = Vector3.Zero; |
||||
int vertexCount = 0; |
||||
|
||||
foreach (var triangle in triangles) |
||||
{ |
||||
total += triangle.Point1; |
||||
total += triangle.Point2; |
||||
total += triangle.Point3; |
||||
vertexCount += 3; // 每个三角形有3个顶点 |
||||
} |
||||
|
||||
// 计算平均坐标 |
||||
return total / vertexCount; |
||||
} |
||||
|
||||
public static Vector3 CalculateCenter(List<Vector3> girdleTopLines, List<Vector3> girdleBottomLines) |
||||
{ |
||||
// 计算 GirdleTopLines 的中心点 |
||||
Vector3 topCenter = GetCenter(girdleTopLines); |
||||
|
||||
// 计算 GirdleBottomLines 的中心点 |
||||
Vector3 bottomCenter = GetCenter(girdleBottomLines); |
||||
|
||||
// 计算两个中心点的中点作为垂直方向的中心点 |
||||
Vector3 centerInVertical = new Vector3( |
||||
(topCenter.X + bottomCenter.X) / 2, |
||||
(topCenter.Y + bottomCenter.Y) / 2, |
||||
(topCenter.Z + bottomCenter.Z) / 2 |
||||
); |
||||
|
||||
return centerInVertical; |
||||
} |
||||
/// <summary> |
||||
/// 删除视图中的照明 |
||||
/// </summary> |
||||
/// <param name="viewport"></param> |
||||
public static void RemoveLightingInViewport(Viewport3DX viewport) |
||||
{ |
||||
List<Light3D> lights = new List<Light3D>(); |
||||
foreach (var item in viewport.Items) |
||||
{ |
||||
if (item is Light3D light3D) |
||||
{ |
||||
lights.Add(light3D); |
||||
} |
||||
} |
||||
lights.ForEach(item => viewport.Items.Remove(item)); |
||||
} |
||||
|
||||
#region 私有方法 |
||||
|
||||
/// <summary> |
||||
/// 向量按中心点顺时针排序 |
||||
/// </summary> |
||||
/// <param name="points"></param> |
||||
/// <returns></returns> |
||||
public static List<Vector3> VectorClockwiseSort(List<Vector3> points) |
||||
{ |
||||
Vector3 center = GetCentroid(points); |
||||
return VectorClockwiseSort(points, center); |
||||
} |
||||
|
||||
/// <summary> |
||||
/// 向量按中心点顺时针排序 |
||||
/// </summary> |
||||
/// <param name="points"></param> |
||||
/// <param name="center"></param> |
||||
/// <returns></returns> |
||||
public static List<Vector3> VectorClockwiseSort(List<Vector3> points, Vector3 center) |
||||
{ |
||||
points.Sort((v1, v2) => |
||||
{ |
||||
double angle1 = Math.Atan2(v1.Z - center.Z, v1.X - center.X); |
||||
double angle2 = Math.Atan2(v2.Z - center.Z, v2.X - center.X); |
||||
return angle1.CompareTo(angle2); |
||||
}); |
||||
return points; |
||||
} |
||||
|
||||
private static Vector3 GetCenter(List<Vector3> points) |
||||
{ |
||||
float x = points.Average(p => p.X); |
||||
float y = points.Average(p => p.Y); |
||||
float z = points.Average(p => p.Z); |
||||
return new Vector3(x, y, z); |
||||
} |
||||
|
||||
/// <summary> |
||||
/// 计算点集合的中心点（几何质心） |
||||
/// </summary> |
||||
/// <param name="vectors"></param> |
||||
/// <returns></returns> |
||||
public static Vector3 GetCentroid(List<Vector3> vectors) |
||||
{ |
||||
float x = vectors.Sum(v => v.X) / vectors.Count; |
||||
float y = vectors.Sum(v => v.Y) / vectors.Count; |
||||
float z = vectors.Sum(v => v.Z) / vectors.Count; |
||||
return new Vector3(x, y, z); |
||||
} |
||||
/// <summary> |
||||
/// 计算夹角度数 |
||||
/// </summary> |
||||
/// <param name="v1"></param> |
||||
/// <param name="v2"></param> |
||||
/// <returns></returns> |
||||
private static float AngleBetween(Vector3 v1, Vector3 v2) |
||||
{ |
||||
// 计算两个向量的点积 |
||||
float dotProduct = Vector3.Dot(v1, v2); |
||||
|
||||
// 计算每个向量的模长 |
||||
float magnitudeV1 = v1.Length(); |
||||
float magnitudeV2 = v2.Length(); |
||||
|
||||
// 防止除以零错误 |
||||
if (magnitudeV1 == 0 || magnitudeV2 == 0) |
||||
{ |
||||
return 0f; |
||||
} |
||||
|
||||
// 计算夹角的余弦值 |
||||
float cosTheta = dotProduct / (magnitudeV1 * magnitudeV2); |
||||
|
||||
// 限制cosTheta的值范围在 -1 到 1 之间，以防计算机浮点误差 |
||||
cosTheta = Math.Max(-1f, Math.Min(1f, cosTheta)); |
||||
|
||||
// 返回角度，单位是度 |
||||
return (float)(Math.Acos(cosTheta) * (180.0 / Math.PI)); |
||||
} |
||||
|
||||
private static double GetBoundingBoxVolume(BoundingBox bound) |
||||
{ |
||||
var size = bound.Size; |
||||
return size.X * size.Y * size.Z; |
||||
} |
||||
|
||||
private static Vector3 CalculateNormal(Vector3 p0, Vector3 p1, Vector3 p2) |
||||
{ |
||||
var u = p1 - p0; |
||||
var v = p2 - p0; |
||||
return Vector3.Cross(u, v); |
||||
} |
||||
#endregion |
||||
|
||||
} |
||||
@ -0,0 +1,355 @@ |
||||
using HelixToolkit.Wpf.SharpDX; |
||||
using SharpDX; |
||||
using SharpDX.Direct3D11; |
||||
using SparkClient.Views.UserControl.ViewportData.Entity; |
||||
using SparkClient.Views.UserControl.ViewportData.Enum; |
||||
|
||||
namespace SparkClient.Views.UserControl.ViewportData.Helper; |
||||
|
||||
public class ViewportManager |
||||
{ |
||||
/// <summary> |
||||
/// 视图中三角形实体们 |
||||
/// </summary> |
||||
public static List<Viewport3DTriangleEntity> ViewportTriangle = new List<Viewport3DTriangleEntity>(); |
||||
/// <summary> |
||||
/// 模型正方向（从模型中心出发的方向） |
||||
/// </summary> |
||||
public static Vector3 PositiveDirection = new Vector3(0, 0, 0); |
||||
/// <summary> |
||||
/// 模型中心点 |
||||
/// </summary> |
||||
public static Vector3 CenterVector = new Vector3(0, 0, 0); |
||||
/// <summary> |
||||
/// 腰的顶部线 |
||||
/// </summary> |
||||
public static List<Vector3> GirdleTopLines = new List<Vector3>(); |
||||
/// <summary> |
||||
/// 腰的底部线 |
||||
/// </summary> |
||||
public static List<Vector3> GirdleBottomLines = new List<Vector3>(); |
||||
/// <summary> |
||||
/// 模型盒子 |
||||
/// </summary> |
||||
public static BoundingBox ModelBounds = new BoundingBox(); |
||||
/// <summary> |
||||
/// 模型主体 |
||||
/// </summary> |
||||
public static MeshGeometryModel3D MainModel3D = null; |
||||
/// <summary> |
||||
/// 模型边框线 |
||||
/// </summary> |
||||
public static List<LineGeometryModel3D> MainModelLines = new List<LineGeometryModel3D>(); |
||||
/// <summary> |
||||
/// 模型光照 |
||||
/// </summary> |
||||
public static List<Light3D> MainModelLighting = new List<Light3D>(); |
||||
/// <summary> |
||||
/// 模型控件对象映射 |
||||
/// </summary> |
||||
private static Viewport3DX _viewport; |
||||
public static void SetViewport3D(Viewport3DX viewport3D) |
||||
{ |
||||
if (_viewport == null) |
||||
_viewport = viewport3D; |
||||
|
||||
} |
||||
#region 模型选中交互管理 |
||||
//是否双击选中 |
||||
public static bool DoubleClickSelect = true; |
||||
//开启选中边框线 |
||||
public static bool DoubleClickSelectShowBorder = true; |
||||
//选中边框长度文字 |
||||
public static bool DoubleClickSelectShowBorderLength = false; |
||||
//选中边框夹角文字 |
||||
public static bool DoubleClickSelectShowBorderAngle = false; |
||||
//选中同类面 |
||||
public static bool DoubleClickSelectShowPlaneType = true; |
||||
//选中三角形代码 |
||||
public static string ChooseTriangleCode = string.Empty; |
||||
//通过选中添加的元素 |
||||
public static List<GeometryModel3D> ChooseAddModels = new List<GeometryModel3D>(); |
||||
/// <summary> |
||||
/// 重置选中的面 |
||||
/// </summary> |
||||
public static void ResetChooseAddModels() |
||||
{ |
||||
if (string.IsNullOrWhiteSpace(ChooseTriangleCode)) |
||||
{ |
||||
return; |
||||
} |
||||
|
||||
ClearDicModels(); |
||||
HashSet<SelShowType> models = new HashSet<SelShowType>(); |
||||
models.Add(SelShowType.SelPanel); |
||||
if(DoubleClickSelectShowBorder) models.Add(SelShowType.Border); |
||||
if (DoubleClickSelectShowBorderLength) models.Add(SelShowType.LengthText); |
||||
if (DoubleClickSelectShowBorderAngle) models.Add(SelShowType.BorderAngle); |
||||
if (DoubleClickSelectShowPlaneType) models.Add(SelShowType.IsTypePanel); |
||||
ChooseAddModels.AddRange( ViewportHelperPro.GentrateChosenView(ChooseTriangleCode, models.ToArray())); |
||||
ChooseAddModels.ForEach(e => _viewport.Items.Add(e)); |
||||
} |
||||
/// <summary> |
||||
/// 清除所有的选中效果 |
||||
/// </summary> |
||||
public static void ClearDicModels() |
||||
{ |
||||
foreach (var item in ChooseAddModels) |
||||
{ |
||||
_viewport.Items.Remove(item); |
||||
} |
||||
ChooseAddModels.Clear(); |
||||
} |
||||
#endregion |
||||
|
||||
#region 统一控制方法 |
||||
|
||||
public static MeshGeometryModel3D PointTowardsTheFrontModel = new MeshGeometryModel3D(); |
||||
public static void PointTowardsTheFront(bool isPoint) |
||||
{ |
||||
if (isPoint) |
||||
{ |
||||
var camera = ViewportHelperPro.CalculateCamera(PositiveDirection, ModelBounds); |
||||
PointTowardsTheFrontModel = ViewportHelperPro.CreateArrow(camera.Position.ToVector3(), ModelBounds.Center, ModelBounds); |
||||
_viewport.Items.Add(PointTowardsTheFrontModel); |
||||
} |
||||
else |
||||
{ |
||||
_viewport.Items.Remove(PointTowardsTheFrontModel); |
||||
} |
||||
} |
||||
|
||||
public static MeshGeometryModel3D MarkFacesModel = new MeshGeometryModel3D(); |
||||
public static void MarkSpecificFaces(bool isMark) |
||||
{ |
||||
if (isMark) |
||||
{ |
||||
MarkFacesModel = ViewportHelperPro.GenerateTypePanelHot(PlaneType.Error); |
||||
_viewport.Items.Add(MarkFacesModel); |
||||
} |
||||
else |
||||
{ |
||||
_viewport.Items.Remove(MarkFacesModel); |
||||
} |
||||
} |
||||
|
||||
/// <summary> |
||||
/// 初始化加载模型 |
||||
/// </summary> |
||||
/// <param name="viewport"></param> |
||||
/// <param name="entities"></param> |
||||
public static void LoadModelByEntities(List<Viewport3DTriangleEntity> entities) |
||||
{ |
||||
if (entities.Count == 0 && ViewportTriangle.Count != 0) |
||||
{ |
||||
entities.AddRange(ViewportTriangle); |
||||
} |
||||
|
||||
ViewportTriangle.Clear(); |
||||
ViewportTriangle.AddRange(entities); |
||||
MainModel3D = ViewportHelperPro.GenerateModelByEntity(_viewport, entities); |
||||
MainModelLines = ViewportHelperPro.GentrateLineByEntity(_viewport, entities); |
||||
MainModelLighting = ViewportHelperPro.GenerateLightingForModel(_viewport); |
||||
//切换相机视角 |
||||
_viewport.Camera = ViewportHelperPro.CalculateCamera(PositiveDirection, ModelBounds); |
||||
_viewport.RenderHost.MSAA = MSAALevel.Maximum; |
||||
} |
||||
|
||||
/// <summary> |
||||
/// 是否显示主体模型 |
||||
/// </summary> |
||||
/// <param name="isShow"></param> |
||||
public static void ShowMainModel3D(bool isShow) |
||||
{ |
||||
if (MainModel3D == null) return; |
||||
if (_viewport == null) return; |
||||
if (isShow) |
||||
{ |
||||
if(_viewport.Items.Contains(MainModel3D)) |
||||
return; |
||||
else |
||||
_viewport.Items.Add(MainModel3D); |
||||
} |
||||
else |
||||
{ |
||||
_viewport.Items.Remove(MainModel3D); |
||||
} |
||||
} |
||||
|
||||
public static void ShowMainModelLines(bool isShow) |
||||
{ |
||||
if (_viewport == null) return; |
||||
if (isShow) |
||||
{ |
||||
MainModelLines.ForEach(e => |
||||
{ |
||||
if(!_viewport.Items.Contains(e)) |
||||
_viewport.Items.Add(e); |
||||
}); |
||||
} |
||||
else |
||||
{ |
||||
MainModelLines.ForEach(e => _viewport.Items.Remove(e)); |
||||
} |
||||
} |
||||
|
||||
public static void ShowMainModelLighting(bool isShow) |
||||
{ |
||||
if (_viewport == null) return; |
||||
if (isShow) |
||||
{ |
||||
MainModelLighting.ForEach(e => |
||||
{ |
||||
if(!_viewport.Items.Contains(e)) |
||||
_viewport.Items.Add(e); |
||||
}); |
||||
} |
||||
else |
||||
{ |
||||
MainModelLighting.ForEach(e => _viewport.Items.Remove(e)); |
||||
} |
||||
} |
||||
public static void Translucent(bool isShow) |
||||
{ |
||||
if (_viewport == null) return; |
||||
if (isShow) |
||||
{ |
||||
MainModel3D.Material = _glassMaterial; |
||||
} |
||||
else |
||||
{ |
||||
MainModel3D.Material = _material; |
||||
} |
||||
} |
||||
|
||||
public static void TranslucentTex(bool isShow) |
||||
{ |
||||
if (_viewport == null) return; |
||||
if (isShow) |
||||
{ |
||||
string texturePath2 = "pack://Appliction:,,,/Res/morning_racing_circuit_16k.dds"; |
||||
|
||||
var texture2 = TextureModel.Create(texturePath2); |
||||
|
||||
var material = new PBRMaterial |
||||
{ |
||||
AlbedoColor = new SharpDX.Color4(0.0f, 1.0f, 1.0f, 1.0f), // 白色基色 |
||||
MetallicFactor = 0.0f, |
||||
RoughnessFactor = 0.5f, |
||||
ReflectanceFactor = 0.2f, |
||||
RenderEnvironmentMap = false, |
||||
// AlbedoMap = texture, |
||||
IrradianceMap = texture2, |
||||
RenderIrradianceMap = true, |
||||
}; |
||||
MainModel3D.Material = material; |
||||
} |
||||
else |
||||
{ |
||||
MainModel3D.Material = _material; |
||||
} |
||||
} |
||||
public static void LockCameraView(bool isShow) |
||||
{ |
||||
/*Generate Ruler |
||||
* FixedPosition：用于静态视角，用户无法互动。 |
||||
* WalkAround：用于用户自由控制相机位置。 |
||||
* Inspect：用于观察和检查物体，用户可以旋转和缩放，但不能平移。(默认) |
||||
*/ |
||||
// Viewport3Dx.CameraMode = CameraMode.Inspect; |
||||
if (_viewport == null) return; |
||||
if (isShow) |
||||
{ |
||||
_viewport.CameraMode = CameraMode.FixedPosition; |
||||
} |
||||
else |
||||
{ |
||||
_viewport.CameraMode = CameraMode.Inspect; |
||||
} |
||||
} |
||||
|
||||
#endregion |
||||
|
||||
|
||||
#region 预制颜色 |
||||
/// <summary> |
||||
/// 模型面颜色 |
||||
/// </summary> |
||||
public static Color4 LightGray = new Color4(0.7372f, 0.8235f, 0.93f, 1.0f); |
||||
/// <summary> |
||||
/// 模型面边框颜色 |
||||
/// </summary> |
||||
public static Color4 LineColor = new Color4(0.4117f, 0.3490f, 0.8039f, 1.0f); |
||||
/// <summary> |
||||
/// 选中面高亮色 |
||||
/// </summary> |
||||
public static Color4 DarkKhaki = new Color4(0.7411f, 0.71764f, 0.4196f, 1.0f); |
||||
/// <summary> |
||||
/// 选中面同类面的高亮色 |
||||
/// </summary> |
||||
public static Color4 LtGoldenrodYello = new Color4(0.98039f, 0.98039f, 0.813529f, 1.0f); |
||||
/// <summary> |
||||
/// 选中面高亮的边框色 |
||||
/// </summary> |
||||
public static Color4 Black = new Color4(0f, 0f, 0f, 1.0f); |
||||
/// <summary> |
||||
/// 文字颜色 |
||||
/// </summary> |
||||
public static Color4 SandyBrown = new Color4(0.95686f, 0.64313f, 0.37647f, 1.0f); |
||||
public static Color4 Red = new Color4(1f, 0.0f, 0.0f, 1.0f); |
||||
|
||||
/// <summary> |
||||
/// 材质：半透明蓝 |
||||
/// </summary> |
||||
private static PBRMaterial _glassMaterial = new PBRMaterial |
||||
{ |
||||
// 半透明蓝色 |
||||
AlbedoColor = new Color4(0.0f, 0.0f, 1.0f, 0.5f), |
||||
// 设置为非金属 |
||||
MetallicFactor = 0.0, |
||||
// 光滑表面 |
||||
RoughnessFactor = 0.05, |
||||
// 环境光遮蔽 |
||||
AmbientOcclusionFactor = 1.0, |
||||
// 强反射 |
||||
ReflectanceFactor = 0.9, |
||||
// 清漆效果（类似折射效果） |
||||
ClearCoatStrength = 0.8, |
||||
ClearCoatRoughness = 0.05, |
||||
// 启用环境贴图以增强反射 |
||||
RenderEnvironmentMap = true, |
||||
// 启用阴影效果 |
||||
RenderShadowMap = true |
||||
}; |
||||
|
||||
/// <summary> |
||||
/// 默认灰色自发光 |
||||
/// </summary> |
||||
private static PBRMaterial _material = new PBRMaterial |
||||
{ |
||||
AlbedoColor = Black, // 黑色，避免其他光照影响 |
||||
EmissiveColor = LightGray , // LightGray #D3D3D3 |
||||
MetallicFactor = 0.0, // 非金属 |
||||
RoughnessFactor = 1.0, // 高粗糙度，避免反射效果 |
||||
ReflectanceFactor = 0.0, // 无反射 |
||||
ClearCoatStrength = 0.0, // 无清漆效果 |
||||
ClearCoatRoughness = 1.0, // 高粗糙度 |
||||
SurfaceMapSampler = new SamplerStateDescription |
||||
{ |
||||
Filter = Filter.MinMagMipLinear, |
||||
AddressU = TextureAddressMode.Wrap, |
||||
AddressV = TextureAddressMode.Wrap, |
||||
AddressW = TextureAddressMode.Wrap |
||||
} |
||||
}; |
||||
|
||||
#endregion |
||||
} |
||||
public enum SelShowType |
||||
{ |
||||
Border = 0, |
||||
LengthText = 1, |
||||
BorderAngle = 2, |
||||
IsTypePanel = 3, |
||||
SelPanel = 4, |
||||
} |
||||
@ -0,0 +1,143 @@ |
||||
using System.Text.Json.Nodes; |
||||
using SharpDX; |
||||
using SparkClient.Views.UserControl.ViewportData.Entity; |
||||
using SparkClient.Views.UserControl.ViewportData.Enum; |
||||
using SparkClient.Views.UserControl.ViewportData.Helper; |
||||
|
||||
namespace SparkClient.Views.UserControl.ViewportData; |
||||
|
||||
public class ViewportData |
||||
{ |
||||
/// <summary> |
||||
/// 钻石编码 |
||||
/// </summary> |
||||
public String DiamondCode { get; set; } |
||||
|
||||
/// <summary> |
||||
/// 钻石数据 |
||||
/// </summary> |
||||
public String DiamondData { get; set; } |
||||
|
||||
/// <summary> |
||||
/// 初始化构造 |
||||
/// </summary> |
||||
/// <param name="diamondCode">钻石编码</param> |
||||
/// <param name="diamondData">钻石数据</param> |
||||
public ViewportData(string diamondCode, string diamondData) |
||||
{ |
||||
DiamondCode = diamondCode; |
||||
DiamondData = diamondData; |
||||
} |
||||
/// <summary> |
||||
/// 空白构造 |
||||
/// </summary> |
||||
public ViewportData() |
||||
{ |
||||
} |
||||
|
||||
public void LoadData() |
||||
{ |
||||
JsonNode? json = null; |
||||
try |
||||
{ |
||||
json = JsonNode.Parse(DiamondData); |
||||
} |
||||
catch |
||||
{ |
||||
throw new Exception("DiamondData is invalid"); |
||||
} |
||||
|
||||
if(json == null) throw new Exception("DiamondData is invalid"); |
||||
|
||||
try |
||||
{ |
||||
List<Viewport3DTriangleEntity> facets = new List<Viewport3DTriangleEntity>(); |
||||
if (json.AsObject()["facets"] != null) |
||||
{ |
||||
JsonArray jsonArray = json.AsObject()["facets"].AsArray(); |
||||
foreach (var item in jsonArray) |
||||
{ |
||||
var value = CommonHelper.CreateByJsonStr(item.ToString()); |
||||
facets.Add(value); |
||||
} |
||||
} |
||||
else |
||||
{ |
||||
throw new Exception("facets is invalid"); |
||||
} |
||||
|
||||
if (json.AsObject()["positive_direction"] != null) |
||||
{ |
||||
JsonObject positive = json.AsObject()["positive_direction"].AsObject(); |
||||
ViewportManager.PositiveDirection.X = float.Parse(positive["x"]?.ToString() ?? "1.0"); |
||||
ViewportManager.PositiveDirection.Y = float.Parse(positive["z"]?.ToString() ?? "0"); |
||||
ViewportManager.PositiveDirection.Z = float.Parse(positive["y"]?.ToString() ?? "0"); |
||||
} |
||||
else |
||||
{ |
||||
ViewportManager.PositiveDirection.X = 1.0f; |
||||
ViewportManager.PositiveDirection.Y = 0f; |
||||
ViewportManager.PositiveDirection.Z = 0; |
||||
} |
||||
|
||||
var midZ = facets.SelectMany(e => new[] { e.Point1.X, e.Point2.X, e.Point3.X }).OrderBy(z => Math.Abs(z)) |
||||
.First(); |
||||
List<Viewport3DTriangleEntity> facetsFinal = new List<Viewport3DTriangleEntity>(); |
||||
foreach (var item in facets) |
||||
{ |
||||
var data = ViewportHelperPro.VectorClockwiseSort(new List<Vector3> |
||||
{ item.Point1, item.Point2, item.Point3 }); |
||||
|
||||
if (item.PlaneType == PlaneType.StarFacet || item.PlaneType == PlaneType.UpperGirdleFacet || |
||||
item.PlaneType == PlaneType.UpperMainFacet || item.PlaneType == PlaneType.TableFacet) |
||||
{ |
||||
item.Point1 = data[0]; |
||||
item.Point2 = data[1]; |
||||
item.Point3 = data[2]; |
||||
} |
||||
else if (item.PlaneType == PlaneType.Girdle) |
||||
{ |
||||
var center = ViewportHelperPro.GetCentroid(data); |
||||
data.Sort((v1, v2) => |
||||
{ |
||||
double angle1 = Math.Atan2(v1.Y - center.Y, v1.X - center.X); |
||||
double angle2 = Math.Atan2(v2.Y - center.Y, v2.X - center.X); |
||||
return angle1.CompareTo(angle2); |
||||
}); |
||||
if (center.Z >= midZ) |
||||
{ |
||||
|
||||
item.Point1 = data[0]; |
||||
item.Point2 = data[1]; |
||||
item.Point3 = data[2]; |
||||
} |
||||
else |
||||
{ |
||||
item.Point1 = data[2]; |
||||
item.Point2 = data[1]; |
||||
item.Point3 = data[0]; |
||||
|
||||
} |
||||
} |
||||
else |
||||
{ |
||||
item.Point1 = data[2]; |
||||
item.Point2 = data[1]; |
||||
item.Point3 = data[0]; |
||||
} |
||||
|
||||
item.TriangleCode = CommonHelper.GenerateTriangleCode(item.Point1, item.Point2, item.Point3); |
||||
facetsFinal.Add(item); |
||||
} |
||||
|
||||
ViewportManager.ViewportTriangle.AddRange(facetsFinal); |
||||
// ViewportManager.LoadModelByEntities(facetsFinal); |
||||
} |
||||
catch (Exception ex) |
||||
{ |
||||
throw new Exception(ex.Message); |
||||
} |
||||
} |
||||
|
||||
|
||||
} |
||||
Loading…
Reference in new issue