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Diffstat (limited to 'src/4dvecops/transform4d.cpp')
| -rw-r--r-- | src/4dvecops/transform4d.cpp | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/src/4dvecops/transform4d.cpp b/src/4dvecops/transform4d.cpp deleted file mode 100644 index 91f0d8c..0000000 --- a/src/4dvecops/transform4d.cpp +++ /dev/null @@ -1,12 +0,0 @@ -#include "raytracer/raytracer.h" - -// this is used to transform a 4d point by a 4d matrix and its associated translation -// this is motivated by the fact that glm does not support 5d matrices, so we cannot define a mat5 to encapsulate both the rotation and translation in one matrix -// therefore, we break the 5d transformation into a 4d rotation and a 4d translation -glm::vec4 transformPoint4(glm::vec4 point4, glm::mat4 transformDirectionMatrix, glm::vec4 translationPointVector) { - // do the translation first - point4 -= translationPointVector; - // do the rotation and scaling - point4 = transformDirectionMatrix * point4; - return point4; -}
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