X-Git-Url: http://git.localhorst.tv/?p=space.git;a=blobdiff_plain;f=src%2Fgraphics%2FVector.h;h=4cf920bd70b8a6eaeafb8f9f75ab04ce1570ace7;hp=992ba1eef6a8bbdc323b8f612eef14eb2471f7d7;hb=ffd31714f3edb64ebe16b65878750c6cc5c7e884;hpb=699437a474de8b87ccb6749d44adf740e680d620

diff --git a/src/graphics/Vector.h b/src/graphics/Vector.h
index 992ba1e..4cf920b 100644
--- a/src/graphics/Vector.h
+++ b/src/graphics/Vector.h
@@ -142,6 +142,10 @@ constexpr bool operator !=(Vector<Scalar> lhs, Vector<Scalar> rhs) {
 }
 
 
+template<class Scalar>
+constexpr Scalar Cross2D(Vector<Scalar> lhs, Vector<Scalar> rhs) {
+	return (lhs.x * rhs.y) - (lhs.y * rhs.x);
+}
 template<class Scalar>
 constexpr Scalar Dot(Vector<Scalar> lhs, Vector<Scalar> rhs) {
 	return (lhs.x * rhs.x) + (lhs.y * rhs.y);