清理单元测试代码. 对代码风格做出修改.

__test__/Geometry/angleTo.test.ts

@@ -2,32 +2,38 @@ import { angleTo } from '../../src/Geometry/GeUtils';
 import { Vector3 } from "three";
 test('俯视图', () =>
 {
-    //-0.5pi 逆时针
+    //逆时针
     let v = angleTo(new Vector3(1, 0, 0), new Vector3(0, 1, 0), new Vector3(0, 0, 1)) //?
-    expect(v).toEqual(Math.PI * -0.5)
+    expect(v).toEqual(Math.PI * 0.5)
 
-    //-0.5pi 顺时针
+    //顺时针
     let v2 = angleTo(new Vector3(0, 1, 0), new Vector3(1, 0, 0), new Vector3(0, 0, 1)) //?
-    expect(v2).toEqual(Math.PI * 0.5)
+    expect(v2).toEqual(Math.PI * -0.5)
 });
 test('仰视', () =>
 {
-    //-0.5pi 顺时针
+    //顺时针
     let v = angleTo(new Vector3(1, 0, 0), new Vector3(0, 1, 0), new Vector3(0, 0, -1)) //?
-    expect(v).toEqual(Math.PI * 0.5)
+    expect(v).toEqual(Math.PI * -0.5)
 });
 
 test('右视图', () =>
 {
     let v = angleTo(new Vector3(0, 0, 1), new Vector3(0, 1, 0), new Vector3(1, 0, 0)) //?
-    expect(v).toEqual(Math.PI * 0.5)
+    expect(v).toEqual(Math.PI * -0.5)
 
     v = angleTo(new Vector3(0, 1, 0), new Vector3(0, 0, 1), new Vector3(1, 0, 0)) //?
-    expect(v).toEqual(Math.PI * -0.5)
+    expect(v).toEqual(Math.PI * 0.5)
 });
 
 test('0向量', () =>
 {
     let v = angleTo(new Vector3(1, 0, 0), new Vector3(0, 0, 1), new Vector3(1, 0, 0)) //?
     expect(v).toEqual(0)
-});
+});
+
+test('变量补全', () =>
+{
+    let v = angleTo(new Vector3(1, 0, 0), new Vector3(0, 0, 1)) //?
+    expect(v).toEqual(0)
+});

src/Geometry/GeUtils.ts

@@ -50,9 +50,8 @@ export function polar(v: THREE.Vector3, an: number, dis: number)
  * @param {THREE.Vector3} [ref] 参考向量,如果为世界坐标系则为0,0,1
  * @returns 
  */
-export function angleTo(v1: THREE.Vector3, v2: THREE.Vector3, ref?: THREE.Vector3)
+export function angleTo(v1: THREE.Vector3, v2: THREE.Vector3, ref: THREE.Vector3 = new THREE.Vector3(0, 0, 1))
 {
-    ref = ref || new Vector3(0, 0, 1);
     if (!ref.equals(new Vector3(0, 0, 1)))
     {
         //任意轴坐标系. 使用相机的构造矩阵.