diff --git a/glm/gtx/intersect.inl b/glm/gtx/intersect.inl index 0bb7d7f8..904d6cca 100644 --- a/glm/gtx/intersect.inl +++ b/glm/gtx/intersect.inl @@ -14,7 +14,7 @@ namespace glm typename genType::value_type d = glm::dot(dir, planeNormal); typename genType::value_type Epsilon = std::numeric_limits::epsilon(); - if(d < Epsilon) + if(d < -Epsilon) { intersectionDistance = glm::dot(planeOrig - orig, planeNormal) / d; return true; diff --git a/readme.md b/readme.md index 5a30ef25..2073408a 100644 --- a/readme.md +++ b/readme.md @@ -55,6 +55,7 @@ glm::mat4 camera(float Translate, glm::vec2 const & Rotate) ##### Fixes: - Fixed GTC_packing test failing on GCC x86 due to denorms #212 #577 - Fixed POPCNT optimization build in Clang #512 +- Fixed intersectRayPlane returns true in parallel case #578 #### [GLM 0.9.8.3](https://github.com/g-truc/glm/releases/tag/0.9.8.3) - 2016-11-12 ##### Improvements: