修改GPU选择为射线选择.

src/Editor/SelectControls.ts

@@ -7,7 +7,7 @@ import { MouseKey, KeyBoard } from '../Common/KeyEnum';
 import { app } from '../ApplicationServices/Application';
 import * as THREE from 'three';
 import { number } from 'mobx-state-tree/dist/types/primitives';
-import { Box2, Vector2 } from '../../@types/three/three-core';
+import { Box2, Vector2, Raycaster } from '../../@types/three/three-core';
 import * as _ from 'lodash';
 import { SelectType, SelectSet, SelectSetBase } from './SelectSet';
 import { SelectBox } from './SelectBox';
@@ -54,24 +54,25 @@ export class SelectControls
                 //如果还没选择 那么
                 if (!this.m_SelectIng)
                 {
+                    let raycaster = new THREE.Raycaster();
+                    raycaster.setFromCamera({
+                        x: (pt.x / this.m_Viewer.m_HtmlElement.scrollWidth) * 2 - 1,
+                        y: - (pt.y / this.m_Viewer.m_HtmlElement.scrollHeight) * 2 + 1
+                    }, this.m_Viewer.m_Camera.m_CurCamera);
+                    raycaster.ray.origin.sub(raycaster.ray.direction.clone().multiplyScalar(1e3));
+                    let intersectObjects = raycaster.intersectObjects(this.m_Viewer.m_Scene.children);
 
-                    let selectID = this.gpuPick.pick(pt.x, pt.y);
-                    if (selectID > 0)
+                    if (intersectObjects.length > 0)
                     {
-                        let selectObject = this.m_Viewer.m_Scene.getObjectById(selectID);
-                        if (selectObject)
-                        {
-                            let selectData = new SelectPick(this.m_Viewer, pt.clone());
-                            selectData.m_SelectList.push(selectObject);
+                        let selectData = new SelectPick(this.m_Viewer, pt.clone());
+                        selectData.m_SelectList.push(intersectObjects[0].object);
 
-                            if (isRemove)
-                                this.m_SelectSet.RemoveSelect(selectData);
-                            else
-                                this.m_SelectSet.AddSelect(selectData);
-
-                            this.UpdateView();
-                            return;
-                        }
+                        if (isRemove)
+                            this.m_SelectSet.RemoveSelect(selectData);
+                        else
+                            this.m_SelectSet.AddSelect(selectData);
+                        this.UpdateView();
+                        return;
                     }
                 }