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Fixed non-identity quaternions for equal vectors #234

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This commit is contained in:
Christophe Riccio 2015-08-31 21:56:34 +02:00
parent f28708265d
commit f92c1219ed
2 changed files with 4 additions and 0 deletions
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3
glm/gtx/quaternion.inl
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@ -249,6 +249,9 @@ namespace glm
T cosTheta = dot(orig, dest); T cosTheta = dot(orig, dest);
tvec3<T, P> rotationAxis; tvec3<T, P> rotationAxis;
if(cosTheta >= static_cast<T>(1) - epsilon<T>())
return quat();
if(cosTheta < static_cast<T>(-1) + epsilon<T>()) if(cosTheta < static_cast<T>(-1) + epsilon<T>())
{ {
// special case when vectors in opposite directions : // special case when vectors in opposite directions :

1
readme.md
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@ -55,6 +55,7 @@ glm::mat4 camera(float Translate, glm::vec2 const & Rotate)
- Fixed strict alignment warnings #235 #370 - Fixed strict alignment warnings #235 #370
- Fixed link errors on compilers not supported default function #377 - Fixed link errors on compilers not supported default function #377
- Fixed compilation warnings in vec4 - Fixed compilation warnings in vec4
- Fixed non-identity quaternions for equal vectors #234
#### [GLM 0.9.7.0](https://github.com/g-truc/glm/releases/tag/0.9.7.0) - 2015-08-02 #### [GLM 0.9.7.0](https://github.com/g-truc/glm/releases/tag/0.9.7.0) - 2015-08-02
##### Features: ##### Features: