新增碰撞检测算法

source/src/Math/Rectangle.ts

@@ -0,0 +1,13 @@
+class Rectangle {
+    public x: number;
+    public y: number;
+    public width: number;
+    public height: number;
+
+    constructor(x: number, y: number, width: number, height: number){
+        this.x = x;
+        this.y = y;
+        this.width = width;
+        this.height = height;
+    }
+}