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-rw-r--r--src/math/math.cpp13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/math/math.cpp b/src/math/math.cpp
index 4f74fac9..04fab797 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);