diff --git a/SparkClient.csproj b/SparkClient.csproj
index 999d941..62c3379 100644
--- a/SparkClient.csproj
+++ b/SparkClient.csproj
@@ -15,6 +15,7 @@
+
diff --git a/Views/UserControl/ViewportData/Helper/ViewportHelperPro.cs b/Views/UserControl/ViewportData/Helper/ViewportHelperPro.cs
index e14f879..a7db89b 100644
--- a/Views/UserControl/ViewportData/Helper/ViewportHelperPro.cs
+++ b/Views/UserControl/ViewportData/Helper/ViewportHelperPro.cs
@@ -17,6 +17,8 @@ using MeshGeometry3D = HelixToolkit.Wpf.SharpDX.MeshGeometry3D;
using Point = System.Windows.Point;
using PerspectiveCamera = HelixToolkit.Wpf.SharpDX.PerspectiveCamera;
using System.Windows.Controls;
+using HelixToolkit.Wpf;
+using MeshBuilder = HelixToolkit.Wpf.SharpDX.MeshBuilder;
namespace SparkClient.Views.UserControl.ViewportData.Helper;
@@ -1270,9 +1272,10 @@ public class ViewportHelperPro
}
lights.ForEach(item => viewport.Items.Remove(item));
}
-
+ private static Dictionary moveLines = new Dictionary();
public static List ShowMeshLines(List entities, double thickness = 1.0)
{
+ moveLines = new();
List lines = new();
var Y = -0.01F;
var center = ViewportManager.CenterVector;
@@ -1294,16 +1297,25 @@ public class ViewportHelperPro
edgeLines = new List>();
edgeLines.Add(lineCal.calLineOfOffset(new Tuple(new Vector3(x1, Y, z1), new Vector3(x2, Y, z2)),2));
- var lineA = DisplayLineModel3D(edgeLines, Color4.Black);
+ var lineA = DisplayLineModel3D(edgeLines, XlineColor);
lines.Add(lineA);
-
+
edgeLines = new List>();
edgeLines.Add(lineCal.calLineOfOffset(new Tuple(new Vector3(x1, Y, z1), new Vector3(x2, Y, z2)), -2));
var lineB = DisplayLineModel3D(edgeLines, XlineColor);
lines.Add(lineB);
- lineA.MouseDown3D += LineA_MouseDown3D;
- lineA.MouseUp3D += LineA_MouseUp3D;
- lineA.MouseMove3D += LineA_MouseMove3D;
+ bindingMoveLine(lineA, lineB);
+
+ edgeLines = new List>();
+ edgeLines.Add(lineCal.calLineOfOffset(new Tuple(new Vector3(x1, Y, z1), new Vector3(x2, Y, z2)), 4));
+ var lineE = DisplayLineModel3D(edgeLines, XlineColor);
+ lines.Add(lineE);
+
+ edgeLines = new List>();
+ edgeLines.Add(lineCal.calLineOfOffset(new Tuple(new Vector3(x1, Y, z1), new Vector3(x2, Y, z2)), -4));
+ var lineF = DisplayLineModel3D(edgeLines, XlineColor);
+ lines.Add(lineF);
+ bindingMoveLine(lineE, lineF);
Color4 YlineColor = new Color4(0F, 80f, 0f, 1f);
var x3 = 5;
@@ -1317,16 +1329,42 @@ public class ViewportHelperPro
edgeLines = new List>();
edgeLines.Add(lineCal.calLineOfOffset(new Tuple(new Vector3(x3, Y, z3), new Vector3(x4, Y, z4)), 2));
- lines.Add(DisplayLineModel3D(edgeLines, YlineColor));
+ var lineC = DisplayLineModel3D(edgeLines, YlineColor);
+ lines.Add(lineC);
edgeLines = new List>();
edgeLines.Add(lineCal.calLineOfOffset(new Tuple(new Vector3(x3, Y, z3), new Vector3(x4, Y, z4)), -2));
- lines.Add(DisplayLineModel3D(edgeLines, YlineColor));
+ var lineD = DisplayLineModel3D(edgeLines, YlineColor);
+ lines.Add(lineD);
+ bindingMoveLine(lineC, lineD);
+
+ edgeLines = new List>();
+ edgeLines.Add(lineCal.calLineOfOffset(new Tuple(new Vector3(x3, Y, z3), new Vector3(x4, Y, z4)), 4));
+ var lineG = DisplayLineModel3D(edgeLines, YlineColor);
+ lines.Add(lineG);
+
+ edgeLines = new List>();
+ edgeLines.Add(lineCal.calLineOfOffset(new Tuple(new Vector3(x3, Y, z3), new Vector3(x4, Y, z4)), -4));
+ var lineH = DisplayLineModel3D(edgeLines, YlineColor);
+ lines.Add(lineH);
+ bindingMoveLine(lineG, lineH);
return lines;
}
+
+ private static void bindingMoveLine(LineGeometryModel3D lineA, LineGeometryModel3D lineB)
+ {
+ lineA.MouseDown3D += LineA_MouseDown3D;
+ lineA.MouseUp3D += LineA_MouseUp3D;
+ lineA.MouseMove3D += LineA_MouseMove3D;
+ moveLines.Add(lineA.GUID, lineB.GUID);
+ lineB.MouseDown3D += LineA_MouseDown3D;
+ lineB.MouseUp3D += LineA_MouseUp3D;
+ lineB.MouseMove3D += LineA_MouseMove3D;
+ moveLines.Add(lineB.GUID, lineA.GUID);
+ }
private static bool isDrawing = false;
private static Point3D previousMousePosition;
- private static Vector3D _totalTranslation = new Vector3D(0, 0, 0);
+
private static void LineA_MouseMove3D(object sender, RoutedEventArgs e)
{
if (isDrawing)
@@ -1334,40 +1372,43 @@ public class ViewportHelperPro
if (e is HelixToolkit.Wpf.SharpDX.MouseMove3DEventArgs ev)
{
var line = sender as LineGeometryModel3D;
- var mousePosition = ev.Position;
- var hitResult = ev.Viewport.FindNearestPoint(mousePosition);
- if (hitResult == null)
- {
- return;
- }
+ // 直线方向分量
var lineDirection = line.Geometry.Positions[1] - line.Geometry.Positions[0];
lineDirection.Normalize();
+ // 现在鼠标对于3d模型的位置
+ var mousePosition = ev.Position;
+ var currentMousePosition = Get3DPointFromMouse(mousePosition);
- Vector3D referenceVector = new Vector3D(0, 1, 0);
- Vector3D perpendicularDirection = Vector3D.CrossProduct(lineDirection.ToVector3D(), referenceVector);
+ // 计算鼠标移动的方向
+ var moveDirection = previousMousePosition - currentMousePosition;
+
+ // 计算垂直于线的移动分量
+ var perpendicularDirection = Vector3D.CrossProduct(lineDirection.ToVector3D(), Vector3D.CrossProduct(moveDirection, lineDirection.ToVector3D()));
perpendicularDirection.Normalize();
- var currentMousePosition = Get3DPointFromMouse(mousePosition, ev.Viewport);
- //// 计算垂直于线的移动分量
- //var perpendicularDirection = Vector3.Cross(lineDirection, Vector3.Cross(moveDirection,lineDirection));
- //perpendicularDirection.Normalize();
-
- var point = hitResult.Value;
-
- var dragVector = point - ev.HitTestResult.PointHit.ToPoint3D();
- double dotProduct = Vector3D.DotProduct(dragVector, perpendicularDirection);
- Vector3D projectedVector = dotProduct * perpendicularDirection;
+ double scaleFactor = 0.1; // 缩放因子
+ // 计算垂直距离
+ double perpendicularDistance = Vector3D.DotProduct(moveDirection, perpendicularDirection) * scaleFactor;
+ System.Console.WriteLine("距离："+ perpendicularDistance);
+ // 垂直方向偏移量
+ Vector3D projectedVector = perpendicularDistance * perpendicularDirection;
projectedVector.Y = 0;
- //// 计算垂直距离
- //float perpendicularDistance = Vector3.Dot(moveDirection, perpendicularDirection);
- //line.Geometry.Positions[0] += perpendicularDirection * perpendicularDistance;
-
- //line.Geometry.Positions[1] += perpendicularDirection * perpendicularDistance;
-
- _totalTranslation += projectedVector;
var transform = new TranslateTransform3D(projectedVector);
line.Transform = transform;
+ // 更新上一帧的鼠标位置
+ //previousMousePosition = currentMousePosition;
+ var otherLineGuid = moveLines[line.GUID];
+ var Viewport = ViewportManager.GetViewport3D();
+ var otherLine = Viewport.Items.Where(x=>x.GUID == otherLineGuid).FirstOrDefault();
+ if (otherLine!= null )
+ {
+ Vector3D projectedVector_other = -perpendicularDistance * perpendicularDirection;
+ projectedVector_other.Y = 0;
+ var transform_other = new TranslateTransform3D(projectedVector_other);
+ otherLine.Transform = transform_other;
+ }
+
}
}
}
@@ -1383,33 +1424,37 @@ public class ViewportHelperPro
if(e is HelixToolkit.Wpf.SharpDX.MouseDown3DEventArgs ev){
// 获取鼠标点击的位置
var mousePosition = ev.Position;
- var a = ev.Viewport;
- previousMousePosition = Get3DPointFromMouse(mousePosition, a);
-
- var line = sender as LineGeometryModel3D;
- //var transform = new TranslateTransform3D(10, 0, 10);
- //line.Transform = transform;
-
+ previousMousePosition = Get3DPointFromMouse(mousePosition);
}
}
- private static Point3D Get3DPointFromMouse(Point mousePosition, Viewport3DX Viewport)
+ private static Point3D Get3DPointFromMouse(Point mousePosition)
{
- // 将2D屏幕坐标转换为3D世界坐标
- var ray = GetRayFromMouse(mousePosition, Viewport);
- var plane = new Plane3D(new Point3D(0, 0, 0), new Vector3D(0, 0, 1)); // 假设平面为Z=0
- var intersection = plane.IntersectWith(ray);
+ // 使用 HelixToolkit 的 Ray3D 和 Plane3D
+ var Viewport = ViewportManager.GetViewport3D();
+ var camera = Viewport.Camera as PerspectiveCamera;
+
+ // 创建射线
+ var ray = new Ray3D(
+ camera.Position,
+ new Vector3D(mousePosition.X - Viewport.ActualWidth / 2, -(mousePosition.Y - Viewport.ActualHeight / 2), -camera.Position.Z)
+ );
+
+ // 创建平面（假设平面为 Y=0）
+ var plane = new Plane3D(new Point3D(0, 0, 0), new Vector3D(0, 0, 1));
+
+ // 计算射线与平面的交点
+ var intersection = GetIntersection(ray, plane);
return intersection ?? new Point3D(0, 0, 0);
}
- private static Ray3D GetRayFromMouse(Point mousePosition, Viewport3DX Viewport)
+ private static Point3D? GetIntersection(Ray3D ray, Plane3D plane)
{
- // 获取从相机发出的射线
- var camera = Viewport.Camera as PerspectiveCamera;
- var rayDirection = new Vector3D(mousePosition.X - Viewport.ActualWidth / 2, -(mousePosition.Y - Viewport.ActualHeight / 2), -camera.Position.Z);
- rayDirection.Normalize();
+ // 将射线转换为直线（起点和终点）
+ Point3D rayEnd = ray.Origin + ray.Direction * 1000; // 延长射线
- return new Ray3D(camera.Position, rayDirection);
+ // 使用 Plane3D.LineIntersection 方法计算交点
+ return plane.LineIntersection(ray.Origin, rayEnd);
}
public static LineGeometryModel3D ShowCircleLine(double radius = 1.0, double thickness = 1.0)
@@ -1699,37 +1744,3 @@ public class ViewportHelperPro
}
-// 辅助类：表示3D射线
-public class Ray3D
-{
- public Point3D Origin { get; }
- public Vector3D Direction { get; }
-
- public Ray3D(Point3D origin, Vector3D direction)
- {
- Origin = origin;
- Direction = direction;
- }
-}
-
-// 辅助类：表示3D平面
-public class Plane3D
-{
- public Point3D Point { get; }
- public Vector3D Normal { get; }
-
- public Plane3D(Point3D point, Vector3D normal)
- {
- Point = point;
- Normal = normal;
- }
-
- public Point3D? IntersectWith(Ray3D ray)
- {
- var denominator = Vector3D.DotProduct(ray.Direction, Normal);
- if (Math.Abs(denominator) < 1e-6) return null; // 平行，无交点
-
- var t = Vector3D.DotProduct(Point - ray.Origin, Normal) / denominator;
- return ray.Origin + t * ray.Direction;
- }
-}
\ No newline at end of file