added getHight and getWidth to Rect

src/lib/Rect.hx

@@ -28,4 +28,12 @@ class Rect {
 	public function isOutside(p: Pos): Bool {
 		return !this.isInside(p);
 	}
+
+	public function getHight(): Int {
+		return tr.y - bl.y;
+	}
+
+	public function getWidth(): Int {
+		return tr.x - bl.x;
+	}
 }