From dff2948d39018f23b6494be8091fbdadd1509e15 Mon Sep 17 00:00:00 2001
From: sunhonglei <sunhonglei@51dayu.com>
Date: Wed, 22 Jan 2025 10:39:53 +0800
Subject: [PATCH] fix:

---
 Views/UserControl/Viewport3D.xaml.cs                   | 10 ++++++++--
 Views/UserControl/ViewportData/Helper/VideoHelper.cs   |  3 ++-
 .../ViewportData/Helper/ViewportHelperPro.cs           |  6 ++++--
 .../UserControl/ViewportData/Helper/ViewportManager.cs |  8 +++++++-
 4 files changed, 21 insertions(+), 6 deletions(-)

diff --git a/Views/UserControl/Viewport3D.xaml.cs b/Views/UserControl/Viewport3D.xaml.cs
index 8038817..2a82dc9 100644
--- a/Views/UserControl/Viewport3D.xaml.cs
+++ b/Views/UserControl/Viewport3D.xaml.cs
@@ -65,6 +65,11 @@ public partial class Viewport3D
 #if DEBUG
         Viewport3Dx.ShowViewCube = true;
         Viewport3Dx.ShowCoordinateSystem = true;
+        Viewport3Dx.ShowCameraInfo = true;
+        Viewport3Dx.ShowCameraTarget = !Viewport3Dx.ShowCameraTarget;
+        Viewport3Dx.ShowFrameDetails = !Viewport3Dx.ShowFrameDetails;
+        Viewport3Dx.ShowFrameRate = !Viewport3Dx.ShowFrameRate;
+        Viewport3Dx.ShowTriangleCountInfo = !Viewport3Dx.ShowTriangleCountInfo;
 #endif
     }
     
@@ -127,7 +132,7 @@ public partial class Viewport3D
         
         var center = ViewportManager.ModelBounds.Center;
         var maxDimension = ViewportManager.ModelBounds.Size.Length();
-        var distance = maxDimension *1.2; // 调整相机到模型的距离，保证视野范围内
+        var distance = maxDimension * 1.2; // 调整相机到模型的距离，保证视野范围内
         // 获取当前相机
         var camera = Viewport3Dx.Camera as HelixToolkit.Wpf.SharpDX.OrthographicCamera;
         
@@ -188,7 +193,8 @@ public partial class Viewport3D
                 var maxDimension = ViewportManager.ModelBounds.Size.Length();
                 var distance = maxDimension *1.2; // 调整相机到模型的距离，保证视野范围内
                 var camera = Viewport3Dx.Camera as HelixToolkit.Wpf.SharpDX.OrthographicCamera;
-                camera.Position =  new Point3D(center.X, center.Y, center.Z + distance);  // 从前面看，Z轴正方向
+                camera.Position =  new Point3D(center.X, center.Y, center.Z);  // 从前面看，Z轴正方向
+                camera.Width = ViewportManager.calCameraWidth();
                 camera.UpDirection = new Vector3D(0, -1, 0);    
                 camera.LookDirection = new Vector3D(center.X -  camera.Position.X, center.Y -  camera.Position.Y, center.Z -  camera.Position.Z);
                 ViewportHelperPro.RotateModel(new Vector3D(0,-1,0));
diff --git a/Views/UserControl/ViewportData/Helper/VideoHelper.cs b/Views/UserControl/ViewportData/Helper/VideoHelper.cs
index 9f6ad5c..645e1b3 100644
--- a/Views/UserControl/ViewportData/Helper/VideoHelper.cs
+++ b/Views/UserControl/ViewportData/Helper/VideoHelper.cs
@@ -199,8 +199,9 @@ public class VideoHelper
             var center = ViewportManager.ModelBounds.Center;
             var maxDimension = ViewportManager.ModelBounds.Size.Length();
             var distance = maxDimension *1.2; // 调整相机到模型的距离，保证视野范围内
-            var camera = ViewportManager.GetViewport3D().Camera as HelixToolkit.Wpf.SharpDX.PerspectiveCamera;
+            var camera = ViewportManager.GetViewport3D().Camera as HelixToolkit.Wpf.SharpDX.OrthographicCamera;
             camera.Position =  new Point3D(center.X, center.Y, center.Z + distance);  // 从前面看，Z轴正方向
+            camera.Width = ViewportManager.calCameraWidth();
             camera.UpDirection = new Vector3D(0, -1, 0);    
             camera.LookDirection = new Vector3D(center.X -  camera.Position.X, center.Y -  camera.Position.Y, center.Z -  camera.Position.Z);
             ViewportHelperPro.RotateModel(new Vector3D(0,-1,0));
diff --git a/Views/UserControl/ViewportData/Helper/ViewportHelperPro.cs b/Views/UserControl/ViewportData/Helper/ViewportHelperPro.cs
index d31d3cf..e742caf 100644
--- a/Views/UserControl/ViewportData/Helper/ViewportHelperPro.cs
+++ b/Views/UserControl/ViewportData/Helper/ViewportHelperPro.cs
@@ -1030,7 +1030,8 @@ public class ViewportHelperPro
         // 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
-        
+
+        double width = ViewportManager.calCameraWidth();
 
         // 创建并返回相机
         return new HelixToolkit.Wpf.SharpDX.OrthographicCamera
@@ -1039,7 +1040,8 @@ public class ViewportHelperPro
             LookDirection = lookDirection.ToVector3D(),
             UpDirection = new Vector3D(0, 1, 0), // 默认全局 Y 轴为上方向
             NearPlaneDistance = 0.1f,
-            FarPlaneDistance=1000
+            FarPlaneDistance=1000,
+            Width = width
         };
     }
 
diff --git a/Views/UserControl/ViewportData/Helper/ViewportManager.cs b/Views/UserControl/ViewportData/Helper/ViewportManager.cs
index 8628ad2..e8280c9 100644
--- a/Views/UserControl/ViewportData/Helper/ViewportManager.cs
+++ b/Views/UserControl/ViewportData/Helper/ViewportManager.cs
@@ -81,6 +81,9 @@ public class ViewportManager
 
     public static ColorConfigEntity ColorConfig = new ColorConfigEntity();
 
+    public static readonly double sacle = 1.875;
+
+
     /// <summary>
     /// 模型控件对象映射
     /// </summary>
@@ -432,7 +435,10 @@ public class ViewportManager
             _viewport.CameraMode = CameraMode.Inspect;
         }
     }
-
+    public static double calCameraWidth()
+    {
+        return ModelBounds.Size.Z * sacle;
+    }
     public static void ShowMeshLines(bool isShow,bool isCrown) {
         
         if (_viewport == null) return;