更新版本,修复镜像槽问题

src/Orbit.ts

@@ -1,9 +1,9 @@
-import * as THREE from "three";
+import { MathUtils, Vector3 } from "three";
 
 /**
  * 轨道控制的数学类,观察向量和角度的互相转换
  * 当x当抬头或者低头到90度时,触发万向锁.
- * 
+ *
  * @class Orbit
  */
 export class Orbit
@@ -20,19 +20,19 @@ export class Orbit
     }
     set RoX(v)
     {
-        this.m_RoX = THREE.Math.clamp(v, Math.PI * -0.5, Math.PI * 0.5);
+        this.m_RoX = MathUtils.clamp(v, Math.PI * -0.5, Math.PI * 0.5);
     }
 
     /**
      * 使用旋转角度 计算观察向量
-     * 
-     * @param {THREE.Vector3} [dir] 引用传入,如果传入,那么就不构造新的向量
-     * @returns {THREE.Vector3} 返回观察向量
+     *
+     * @param {Vector3} [dir] 引用传入,如果传入,那么就不构造新的向量
+     * @returns {Vector3} 返回观察向量
      * @memberof Orbit
      */
-    UpdateDirection(dir?: THREE.Vector3): THREE.Vector3
+    UpdateDirection(dir?: Vector3): Vector3
     {
-        let rtDir = dir ? dir : new THREE.Vector3();
+        let rtDir = dir ? dir : new Vector3();
 
         rtDir.z = Math.sin(this.m_RoX);
 
@@ -47,11 +47,11 @@ export class Orbit
 
     /**
      * 使用观察向量,计算旋转角度
-     * 
-     * @param {THREE.Vector3} dir 
+     *
+     * @param {Vector3} dir
      * @memberof Orbit
      */
-    UpdateRoValue(dir: THREE.Vector3)
+    UpdateRoValue(dir: Vector3)
     {
         dir.normalize();
         this.m_RoX = Math.asin(dir.z);
@@ -62,30 +62,30 @@ export class Orbit
     }
 
     /**
-     * 
+     *
      * 根据观察向量 求头部的向量.
-     * 
+     *
      * @static
-     * @param {THREE.Vector3} dir 
-     * @param {THREE.Vector3} [up] 
-     * @returns {THREE.Vector3} 
+     * @param {Vector3} dir
+     * @param {Vector3} [up]
+     * @returns {Vector3}
      * @memberof Orbit
      */
-    static ComputUpDirection(dir: THREE.Vector3, up?: THREE.Vector3): THREE.Vector3
+    static ComputUpDirection(dir: Vector3, up?: Vector3): Vector3
     {
-        let upRes = up ? up : new THREE.Vector3();
-        if (dir.equals(new THREE.Vector3(0, 0, -1)))
+        let upRes = up ? up : new Vector3();
+        if (dir.equals(new Vector3(0, 0, -1)))
         {
             upRes.set(0, 1, 0);
         }
-        else if (dir.equals(new THREE.Vector3(0, 0, 1)))
+        else if (dir.equals(new Vector3(0, 0, 1)))
         {
             upRes.set(0, -1, 0);
         }
         else
         {
-            let xv = new THREE.Vector3();
-            xv.crossVectors(new THREE.Vector3(0, 0, 1), dir);
+            let xv = new Vector3();
+            xv.crossVectors(new Vector3(0, 0, 1), dir);
             upRes.crossVectors(dir, xv);
             upRes.normalize();
         }