移除物理引擎 移动到新库

source/src/Physics/Shapes/Box.ts

@@ -0,0 +1,28 @@
+///<reference path="./Polygon.ts" />
+class Box extends Polygon {
+    public width: number;
+    public height: number;
+
+    public updateBox(width: number, height: number){
+        this.width = width;
+        this.height = height;
+
+        let halfWidth = width / 2;
+        let halfHeight = height / 2;
+
+        this.points[0] = new Vector2(-halfWidth, -halfHeight);
+        this.points[1] = new Vector2(halfWidth, -halfHeight);
+        this.points[2] = new Vector2(halfWidth, halfHeight);
+        this.points[3] = new Vector2(-halfWidth, halfHeight);
+
+        for (let i = 0; i < this.points.length; i ++)
+            this._originalPoints[i] = this.points[i];
+    }
+
+    public containsPoint(point: Vector2){
+        if (this.isUnrotated)
+            return this.bounds.contains(point);
+
+        return super.containsPoint(point);
+    }
+}