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Merge pull request #691 from OlivierSohn/master

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Fix rotation when vectors are in the same direction #691
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Christophe 2017-10-22 16:24:15 +02:00 committed by GitHub
commit 9d7e79de6e
1 changed files with 4 additions and 2 deletions
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6
glm/gtx/quaternion.inl
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@ -184,8 +184,10 @@ namespace glm
T cosTheta = dot(orig, dest);
vec<3, T, Q> rotationAxis;
if(cosTheta >= static_cast<T>(1) - epsilon<T>())
return quat();
if(cosTheta >= static_cast<T>(1) - epsilon<T>()) {
// orig and dest point in the same direction
return quat_identity<T,Q>();
}
if(cosTheta < static_cast<T>(-1) + epsilon<T>())
{