1 files changed, 13 insertions, 0 deletions
diff --git a/src/math/math.cpp b/src/math/math.cpp
index e11d048c..eeb9d3fa 100644
--- a/src/math/math.cpp
+++ b/src/math/math.cpp
@@ -5,6 +5,19 @@
 // TODO: move more stuff into here
 
 void
+CVector2D::Normalise(void)
+{
+	float sq = MagnitudeSqr();
+	assert(sq != 0.0f);	// just be safe here
+	//if(sq > 0.0f){
+		float invsqrt = RecipSqrt(sq);
+		x *= invsqrt;
+		y *= invsqrt;
+	//}else
+	//	x = 1.0f;
+}
+
+void
 CMatrix::SetRotate(float xAngle, float yAngle, float zAngle)
 {
 	float cX = Cos(xAngle);