added Pos

src/util/Pos.hx

@@ -0,0 +1,26 @@
+package util;
+
+import util.Vec.Vec2;
+
+@:forward(x,y)
+abstract Pos(Vec2<Int>) from Vec2<Int> to Vec2<Int>{
+	inline public function new(i:Vec2<Int>) {
+		this = i;
+	}
+
+	@:op(A + B)
+	public function add(rhs: Vec2<Int>):Pos {
+		return new Pos({
+			y: this.y + rhs.y,
+			x: this.x + rhs.x,
+		});
+	}
+
+	@:op(A - B)
+	public function sub(rhs: Vec2<Int>):Pos {
+		return new Pos({
+			y: this.y - rhs.y,
+			x: this.x - rhs.x,
+		});
+	}
+}