Quickly convert between various Vector2s and Vector3s

VectorExtensions.cs

using UnityEngine;

public static class VectorExtensions {

	public static Vector2 xy(this Vector3 v3)
	{
		return new Vector2(v3.x, v3.y);
	}
	public static Vector2 xz(this Vector3 v3)
	{
		return new Vector2(v3.x, v3.z);
	}
	public static Vector2 yx(this Vector3 v3)
	{
		return new Vector2(v3.y, v3.x);
	}
	public static Vector2 yz(this Vector3 v3)
	{
		return new Vector2(v3.y, v3.z);
	}
	public static Vector2 zx(this Vector3 v3)
	{
		return new Vector2(v3.z, v3.x);
	}
	public static Vector2 zy(this Vector3 v3)
	{
		return new Vector2(v3.z, v3.y);
	}

	public static Vector3 xy_(this Vector2 v2, float a = 0)
	{
		return new Vector3(v2.x, v2.y, a);
	}
	public static Vector3 x_y(this Vector2 v2, float a = 0)
	{
		return new Vector3(v2.x, a, v2.y);
	}
	public static Vector3 _xy(this Vector2 v2, float a = 0)
	{
		return new Vector3(a, v2.x, v2.y);
	}
	public static Vector3 yx_(this Vector2 v2, float a = 0)
	{
		return new Vector3(v2.y, v2.x, a);
	}
	public static Vector3 y_x(this Vector2 v2, float a = 0)
	{
		return new Vector3(v2.y, a, v2.x);
	}
	public static Vector3 _yx(this Vector2 v2, float a = 0)
	{
		return new Vector3(a, v2.y, v2.x);
	}



	public static Vector2 Rotated(this Vector2 v2, float angle){
		float cs = Mathf.Cos(angle);
		float sn = Mathf.Sin(angle);
		float x = v2.x * cs - v2.y * sn; // now x is something different than original vector x
		float y = v2.x * sn + v2.y * cs;
		v2.x = x;
		v2.y = y;
		return v2;
	}

}