From 6ef7924e0122155c390698bdd66e9757f4da5fa0 Mon Sep 17 00:00:00 2001
From: aap <aap@papnet.eu>
Date: Fri, 17 Apr 2020 15:15:42 +0200
Subject: implemented CVector2D::NormaliseSafe for SkidMarks

---
 src/math/math.cpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'src/math/math.cpp')

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
@@ -4,6 +4,19 @@
 
 // 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)
 {
-- 
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