PerspectiveCamera.hpp

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#ifndef CSCI441_PERSPECTIVE_CAMERA_HPP
#define CSCI441_PERSPECTIVE_CAMERA_HPP
 
#include "Camera.hpp"
 
namespace CSCI441 {
 
    class PerspectiveCamera : public CSCI441::Camera {
    public:
        explicit PerspectiveCamera(GLfloat aspectRatio = 1.0f, GLfloat fovy = 45.0f, GLfloat nearClipPlane = 0.001f, GLfloat farClipPlane = 1000.0f);
 
        ~PerspectiveCamera() override = default;
 
        [[maybe_unused]] virtual void setAspectRatio(GLfloat aspectRatio) final;
 
        [[maybe_unused]] virtual void setVerticalFOV(GLfloat fovy) final;
 
        [[maybe_unused]] virtual void setNearClipPlane(GLfloat near) final;
 
        [[maybe_unused]] virtual void setFarClipPlane(GLfloat far) final;
 
    protected:
        void mUpdateProjectionMatrix();
 
        PerspectiveCamera(const PerspectiveCamera&) = default;
        PerspectiveCamera& operator=(const PerspectiveCamera&) = default;
 
        PerspectiveCamera(PerspectiveCamera&&) = default;
        PerspectiveCamera& operator=(PerspectiveCamera&&) = default;
 
    private:
        GLfloat _fovy;
        GLfloat _aspectRatio;
        GLfloat _nearClipPlane;
        GLfloat _farClipPlane;
    };
 
}
 
inline CSCI441::PerspectiveCamera::PerspectiveCamera(
        const GLfloat aspectRatio,
        const GLfloat fovy,
        const GLfloat nearClipPlane,
        const GLfloat farClipPlane
) : _fovy(fovy),
    _aspectRatio(aspectRatio),
    _nearClipPlane(nearClipPlane),
    _farClipPlane(farClipPlane)
{
    mUpdateProjectionMatrix();
}
 
[[maybe_unused]]
inline void CSCI441::PerspectiveCamera::setAspectRatio(const GLfloat aspectRatio) {
    _aspectRatio = aspectRatio;
    mUpdateProjectionMatrix();
}
 
[[maybe_unused]]
inline void CSCI441::PerspectiveCamera::setVerticalFOV(const GLfloat fovy) {
    _fovy = fovy;
    mUpdateProjectionMatrix();
}
 
[[maybe_unused]]
inline void CSCI441::PerspectiveCamera::setNearClipPlane(const GLfloat near) {
    _nearClipPlane = near;
    mUpdateProjectionMatrix();
}
 
[[maybe_unused]]
inline void CSCI441::PerspectiveCamera::setFarClipPlane(const GLfloat far) {
    _farClipPlane = far;
    mUpdateProjectionMatrix();
}
 
inline void CSCI441::PerspectiveCamera::mUpdateProjectionMatrix() {
    mProjectionMatrix = glm::perspective(_fovy, _aspectRatio, _nearClipPlane, _farClipPlane);
}
 
#endif//CSCI441_PERSPECTIVE_CAMERA_HPP