4 #include <gmath/gmath.h>
11 virtual Mat4 get_view_matrix() const = 0;
12 virtual void use() const;
15 class OrbitCamera : public Camera {
23 virtual ~OrbitCamera();
25 virtual Mat4 get_view_matrix() const override;
27 void set_orbit_params(float theta, float phi, float distance);
30 Mat4 calc_projection_matrix(float fov_deg, float aspect, float n, float f);