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Fixed issue#1219. CalcTangentsProcess::ProcessMesh.

pull/1868/head
Edward Andrew 2018-04-02 01:46:14 +01:00
parent 61fe3e52ce
commit 35f4e7101a
1 changed files with 1 additions and 1 deletions
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2
code/CalcTangentsProcess.cpp
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@ -190,7 +190,7 @@ bool CalcTangentsProcess::ProcessMesh( aiMesh* pMesh, unsigned int meshIndex)
float tx = meshTex[p2].x - meshTex[p0].x, ty = meshTex[p2].y - meshTex[p0].y;
float dirCorrection = (tx * sy - ty * sx) < 0.0f ? -1.0f : 1.0f;
// when t1, t2, t3 in same position in UV space, just use default UV direction.
if ( 0 == sx && 0 ==sy && 0 == tx && 0 == ty ) {
if ( sx * ty == sy * tx ) {
sx = 0.0; sy = 1.0;
tx = 1.0; ty = 0.0;
}