Unity Cone of Sight

SightCone.cs

	public static bool Sight (Vector3 target, Vector3 myPos, Vector3 myViewDir, float myViewDist, float myViewAng) {
		bool res = false;
		float ang = Vector2.Angle(DirGet2D(myPos, target), VecGet2D(myViewDir));
		if (ang <= (myViewAng/2f)) {
			if (DistGet2D(myPos, target) < myViewDist)
				res = true;
		}
		return res;
	}
	
	public static Vector2 VecGet2D (Vector3 v) {
		return new Vector2(v.x, v.z);
	}
	public static Vector2 DirGet2D (Vector3 v1, Vector3 v2) {
		return (VecGet2D(v2) - VecGet2D(v1)).normalized;
	}
	public static float DistGet2D (Vector3 v1, Vector3 v2) {
		return Vector2.Distance(VecGet2D(v1), VecGet2D(v2));
	}