From 81a111f8c0308f691519d2a8702efc2dc913cde5 Mon Sep 17 00:00:00 2001
From: sunhonglei <sunhonglei@51dayu.com>
Date: Mon, 10 Feb 2025 10:36:32 +0800
Subject: [PATCH] =?UTF-8?q?fix=EF=BC=9A=E5=85=B3=E4=BA=8E=E7=84=A6?=
=?UTF-8?q?=E7=82=B9=E8=8E=B7=E5=8F=96=E9=97=AE=E9=A2=98?=
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---
.../ViewportData/Helper/ViewportHelperPro.cs | 29 ++++++++++++++++---
1 file changed, 25 insertions(+), 4 deletions(-)
diff --git a/Views/UserControl/ViewportData/Helper/ViewportHelperPro.cs b/Views/UserControl/ViewportData/Helper/ViewportHelperPro.cs
index 6f0bba2..4ad71c2 100644
--- a/Views/UserControl/ViewportData/Helper/ViewportHelperPro.cs
+++ b/Views/UserControl/ViewportData/Helper/ViewportHelperPro.cs
@@ -1417,9 +1417,24 @@ public class ViewportHelperPro
lineDirection.Normalize();
// 现在鼠标对于3d模型的位置
var mousePosition = ev.Position;
- var currentMousePosition = Get3DPointFromMouse(mousePosition);
+ Point3D currentMousePosition = new();
+ try {
+ currentMousePosition = Get3DPointFromMouse(mousePosition);
+ }
+ catch
+ {
+ return;
+ }
currentMousePosition.Y = Y;
- var hitPoint = Get3DPointFromMouse(startDragPoint);
+ Point3D hitPoint = new();
+ try
+ {
+ hitPoint = Get3DPointFromMouse(startDragPoint);
+ }
+ catch
+ {
+ return;
+ }
hitPoint.Y = Y;
// 计算鼠标移动的方向
var moveDirection = currentMousePosition - hitPoint;
@@ -1673,8 +1688,14 @@ public class ViewportHelperPro
var Y = line.Geometry.Positions[0].Y;
var center = ViewportManager.CenterVector;
center.Y = Y;
-
- Point3D mouseWorldPosition = Get3DPointFromMouse(mousePosition);
+ Point3D mouseWorldPosition = new();
+ try {
+ mouseWorldPosition = Get3DPointFromMouse(mousePosition);
+ }
+ catch
+ {
+ return;
+ }
mouseWorldPosition.Y = Y;
// Console.WriteLine($"鼠标在3D模型中的位置：{mouseWorldPosition.X},{mouseWorldPosition.Y},{mouseWorldPosition.Z}");
// 计算鼠标与圆心的距离