新增mover移动器组件 用于处理itriggerListener接口碰撞信息

source/src/Utils/Vector2Ext.ts

@@ -5,7 +5,7 @@ class Vector2Ext {
      * @param center 
      * @param c 
      */
-    public static isTriangleCCW(a: Vector2, center: Vector2, c: Vector2){
+    public static isTriangleCCW(a: Vector2, center: Vector2, c: Vector2) {
         return this.cross(Vector2.subtract(center, a), Vector2.subtract(c, center)) < 0;
     }
 
@@ -14,7 +14,7 @@ class Vector2Ext {
      * @param u 
      * @param v 
      */
-    public static cross(u: Vector2, v: Vector2){
+    public static cross(u: Vector2, v: Vector2) {
         return u.y * v.x - u.x * v.y;
     }
 
@@ -23,7 +23,7 @@ class Vector2Ext {
      * @param first 
      * @param second 
      */
-    public static perpendicular(first: Vector2, second: Vector2){
+    public static perpendicular(first: Vector2, second: Vector2) {
         return new Vector2(-1 * (second.y - first.y), second.x - first.x);
     }
 
@@ -32,9 +32,9 @@ class Vector2Ext {
      * 标准化把向量弄乱了
      * @param vec 
      */
-    public static normalize(vec: Vector2){
+    public static normalize(vec: Vector2) {
         let magnitude = Math.sqrt((vec.x * vec.x) + (vec.y * vec.y));
-        if (magnitude > MathHelper.Epsilon){
+        if (magnitude > MathHelper.Epsilon) {
             vec = Vector2.divide(vec, new Vector2(magnitude));
         } else {
             vec.x = vec.y = 0;
@@ -42,4 +42,19 @@ class Vector2Ext {
 
         return vec;
     }
+
+    public static transformA(sourceArray: Vector2[], sourceIndex: number, matrix: Matrix2D,
+        destinationArray: Vector2[], destinationIndex: number, length: number) {
+            for (let i = 0; i < length; i ++){
+                let position = sourceArray[sourceIndex + i];
+                let destination = destinationArray[destinationIndex + 1];
+                destination.x = (position.x * matrix.m11) + (position.y * matrix.m21) + matrix.m31;
+                destination.y = (position.x * matrix.m12) + (position.y * matrix.m22) + matrix.m32;
+                destinationArray[destinationIndex + i] = destination;
+            }
+    }
+
+    public static transform(sourceArray: Vector2[], matrix: Matrix2D, destinationArray: Vector2[]) {
+        this.transformA(sourceArray, 0, matrix, destinationArray, 0, sourceArray.length);
+    }
 }