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

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Glenn Maynard
2004-04-26 03:11:19 +00:00
parent 8f7e6894dc
commit 5463520a12
1 changed files with 2 additions and 1 deletions
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stepmania/src/RageMath.cpp
+2 -1
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@@ -444,7 +444,8 @@ void RageQuatSlerp(RageVector4 *pOut, const RageVector4 &from, const RageVector4
// calculate coefficients // calculate coefficients
float scale0, scale1; float scale0, scale1;
if ( 1.0f - cosom > 0 ) { if ( cosom < 0.9999f )
{
// standard case (slerp) // standard case (slerp)
float omega = acosf(cosom); float omega = acosf(cosom);
float sinom = sinf(omega); float sinom = sinf(omega);