diff options
| author | Dan Goodliffe <dan@randomdan.homeip.net> | 2021-01-16 18:09:15 +0000 |
|---|---|---|
| committer | Dan Goodliffe <dan@randomdan.homeip.net> | 2021-01-16 18:09:15 +0000 |
| commit | 400410fcd436d5e4310bfa779f0309c5fae5b2c2 (patch) | |
| tree | 89661918c487e63b6c71f2e9281b553928010606 /camera.h | |
| download | ilt-400410fcd436d5e4310bfa779f0309c5fae5b2c2.tar.bz2 ilt-400410fcd436d5e4310bfa779f0309c5fae5b2c2.tar.xz ilt-400410fcd436d5e4310bfa779f0309c5fae5b2c2.zip | |
Initial commit
Stripped back and formatted from https://github.com/BennyQBD/ModernOpenGLTutorial/
Diffstat (limited to 'camera.h')
| -rw-r--r-- | camera.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/camera.h b/camera.h new file mode 100644 index 0000000..86b59d1 --- /dev/null +++ b/camera.h @@ -0,0 +1,59 @@ +#ifndef CAMERA_INCLUDED_H
+#define CAMERA_INCLUDED_H
+
+#include <glm/glm.hpp>
+#include <glm/gtx/transform.hpp>
+
+struct Camera {
+public:
+ Camera(const glm::vec3 & pos, float fov, float aspect, float zNear, float zFar)
+ {
+ this->pos = pos;
+ this->forward = glm::vec3(0.0f, 0.0f, 1.0f);
+ this->up = glm::vec3(0.0f, 1.0f, 0.0f);
+ this->projection = glm::perspective(fov, aspect, zNear, zFar);
+ }
+
+ inline glm::mat4
+ GetViewProjection() const
+ {
+ return projection * glm::lookAt(pos, pos + forward, up);
+ }
+
+ // void MoveForward(float amt)
+ //{
+ // pos += forward * amt;
+ //}
+
+ // void MoveRight(float amt)
+ //{
+ // pos += glm::cross(up, forward) * amt;
+ //}
+
+ // void Pitch(float angle)
+ //{
+ // glm::vec3 right = glm::normalize(glm::cross(up, forward));
+
+ // forward = glm::vec3(glm::normalize(glm::rotate(angle, right) * glm::vec4(forward, 0.0)));
+ // up = glm::normalize(glm::cross(forward, right));
+ //}
+
+ // void RotateY(float angle)
+ //{
+ // static const glm::vec3 UP(0.0f, 1.0f, 0.0f);
+
+ // glm::mat4 rotation = glm::rotate(angle, UP);
+
+ // forward = glm::vec3(glm::normalize(rotation * glm::vec4(forward, 0.0)));
+ // up = glm::vec3(glm::normalize(rotation * glm::vec4(up, 0.0)));
+ //}
+
+protected:
+private:
+ glm::mat4 projection;
+ glm::vec3 pos;
+ glm::vec3 forward;
+ glm::vec3 up;
+};
+
+#endif
|