added Pos3

src/util/Pos3.hx

@@ -0,0 +1,51 @@
+package util;
+
+import util.Vec.Vec3;
+
+/**
+	Reporesents a Point in a 3D `Int` System.
+	Basicly a wrapper for Vec3<Int> with some extra functions.
+	`Y` represents the height of the point.
+**/
+@:forward(x,y,z)
+abstract Pos3(Vec3<Int>) from Vec3<Int> to Vec3<Int>{
+	inline public function new(i:Vec3<Int>) {
+		this = i;
+	}
+
+	@:op(A + B)
+	public function add(rhs: Vec3<Int>):Pos3 {
+		return new Pos3({
+			y: this.y + rhs.y,
+			x: this.x + rhs.x,
+			z: this.z + rhs.z
+		});
+	}
+
+	@:op(A - B)
+	public function sub(rhs: Vec3<Int>):Pos3 {
+		return new Pos3({
+			y: this.y - rhs.y,
+			x: this.x - rhs.x,
+			z: this.z - rhs.z
+		});
+	}
+
+	@:op(A * B)
+	public function multiply(rhs: Vec3<Int>): Pos3 {
+		return new Pos3({
+			y: this.y * rhs.y,
+			x: this.x * rhs.x,
+			z: this.z * rhs.z
+		});
+	}
+
+	@:op(-A)
+	public function negate(): Pos3 {
+		return new Pos3({
+			y: -this.y,
+			x: -this.x,
+			z: -this.z
+		});
+	}
+}