using UnityEngine;
using System.Collections;

public static class VectorEx {
	public static Vector2 Rotate(this Vector2 v, float degrees){
		return v.RotateRadians(degrees * Mathf.Deg2Rad);
	}
	
	public static Vector2 RotateRadians(this Vector2 v, float radians){
		var ca = Mathf.Cos(radians);
		var sa = Mathf.Sin(radians);
		return new Vector2(ca*v.x - sa*v.y, sa*v.x + ca*v.y);
	}
}