diff options
Diffstat (limited to 'transform.cpp')
-rw-r--r-- | transform.cpp | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/transform.cpp b/transform.cpp new file mode 100644 index 0000000..7b256af --- /dev/null +++ b/transform.cpp @@ -0,0 +1,27 @@ +#include "transform.h" +#include "camera.h" +#include <glm/gtx/transform.hpp> + +Transform::Transform(glm::vec3 pos, glm::vec3 rot, glm::vec3 scale) : pos {pos}, rot {rot}, scale {scale} { } + +glm::mat4 +Transform::GetModel() const +{ + const auto posMat = glm::translate(pos); + const auto scaleMat = glm::scale(scale); + const auto rotX = glm::rotate(rot.x, glm::vec3(1.0, 0.0, 0.0)); + const auto rotY = glm::rotate(rot.y, glm::vec3(0.0, 1.0, 0.0)); + const auto rotZ = glm::rotate(rot.z, glm::vec3(0.0, 0.0, 1.0)); + const auto rotMat = rotX * rotY * rotZ; + + return posMat * rotMat * scaleMat; +} + +glm::mat4 +Transform::GetMVP(const Camera & camera) const +{ + const auto VP = camera.GetViewProjection(); + const auto M = GetModel(); + + return VP * M; +} |