box重载overlaps

source/src/Physics/Shapes/Box.ts

@@ -21,6 +21,22 @@ class Box extends Polygon {
         return verts;
     }
 
+    /**
+     * 
+     * @param other 
+     */
+    public overlaps(other: Shape){
+        if (this.isUnrotated){
+            if (other instanceof Box && other.isUnrotated)
+                return this.bounds.intersects(other.bounds);
+
+            if (other instanceof Circle)
+                return Collisions.isRectToCircle(this.bounds, other.position, other.radius);
+        }
+
+        return super.overlaps(other);
+    }
+
     /**
      * 
      * @param other