更新屏幕点转换代码 清理mouse鼠标控制中 屏幕转世界点的方法.

src/Editor/MouseControls.ts

@@ -34,16 +34,7 @@ export class MouseControls
     updateWordPoint = (e: MouseEvent) =>
     {
         this.m_CurMousePointVCS.set(e.offsetX, e.offsetY, 0);
-
-        //变换和求交点
-        let plan = new PlaneExt(new Vector3(0, 0, 1));
-        this.raycaster.setFromCamera(
-            {
-                x: (e.offsetX / this.m_View.m_HtmlElement.scrollWidth) * 2 - 1,
-                y: - (e.offsetY / this.m_View.m_HtmlElement.scrollHeight) * 2 + 1
-            }
-            , this.m_View.m_Camera.m_CurCamera
-        )
-        plan.intersectRay(this.raycaster.ray, this.m_CurMousePointWCS, true);
+        this.m_CurMousePointWCS.copy(this.m_CurMousePointVCS);
+        this.m_View.ScreenToWorld(this.m_CurMousePointWCS);
     }
 }

src/GraphicsSystem/Viewer.ts

@@ -6,6 +6,7 @@ import { RenderType } from './Enum';
 import * as xaop from 'xaop';
 import { GeUtils } from "../Geometry/GeUtils";
 import { Entity } from '../DatabaseServices/Entity';
+import { PlaneExt } from '../Geometry/Plane';
 
 //导入其他js模块
 require("three-CopyShader");
@@ -162,23 +163,27 @@ export class Viewer
     }
     ScreenToWorld(pt: THREE.Vector3)
     {
-        pt.x -= this.m_HtmlElement.scrollWidth * 0.5;
-        pt.y -= this.m_HtmlElement.scrollHeight * 0.5;
-        pt.y *= -1;
-        pt.multiplyScalar(this.m_ViewHeight / this.m_HtmlElement.scrollHeight);
-
-        this.m_Camera.m_CurCamera.updateMatrix();
-        pt.applyMatrix4(this.m_Camera.m_CurCamera.matrix);
+        //变换和求交点
+        let plan = new PlaneExt(new THREE.Vector3(0, 0, 1));
+        let raycaster = new THREE.Raycaster();
+        raycaster.setFromCamera(
+            {
+                x: (pt.x / this.m_HtmlElement.scrollWidth) * 2 - 1,
+                y: - (pt.y / this.m_HtmlElement.scrollHeight) * 2 + 1
+            }
+            , this.m_Camera.m_CurCamera
+        )
+        plan.intersectRay(raycaster.ray, pt, true);
     }
     WorldToScreen(pt: THREE.Vector3)
     {
-        this.m_Camera.m_CurCamera.updateMatrix();
-        pt.applyMatrix4(this.m_Camera.m_CurCamera.matrixWorldInverse);
+        let widthHalf = this.m_HtmlElement.scrollWidth * 0.5;
+        let heightHalf = this.m_HtmlElement.scrollHeight * 0.5;
+
+        pt.project(this.m_Camera.m_CurCamera);
 
-        pt.multiplyScalar(this.m_HtmlElement.scrollHeight / this.m_ViewHeight)
-        pt.y *= -1
-        pt.x += this.m_HtmlElement.scrollWidth * 0.5;
-        pt.y += this.m_HtmlElement.scrollHeight * 0.5;
+        pt.x = (pt.x * widthHalf) + widthHalf;
+        pt.y = - (pt.y * heightHalf) + heightHalf;
     }
     onSize = (width?, height?) =>
     {