fix rounding error: acosf(cosom) becomes 0, causing div/0

2004-04-26 03:11:19 +00:00
parent 8f7e6894dc
commit 5463520a12
1 changed files with 2 additions and 1 deletions
@@ -444,7 +444,8 @@ void RageQuatSlerp(RageVector4 *pOut, const RageVector4 &from, const RageVector4

 	// calculate coefficients
 	float scale0, scale1;
-	if ( 1.0f - cosom > 0 ) {
+	if ( cosom < 0.9999f )
+	{
 		// standard case (slerp)
 		float omega = acosf(cosom);
 		float sinom = sinf(omega);