vktutorial/hk_camera.hpp

#pragma once

// libs
#define GLM_FORCE_RADIANS
#define GLM_FORCE_DEPTH_ZERO_TO_ONE
#include <glm/glm.hpp>

namespace hk
{
    class Camera
    {
    public:
        Camera() = default;
        ~Camera() = default;

        void setOrthographicProjection(float left, float right, float top, float bottom, float near, float far);
        void setPerspectiveProjection(float fovY, float aspect, float near, float far);

        void setViewDirection(glm::vec3 position, glm::vec3 direction, glm::vec3 up = glm::vec3{0.f, -1.f, 0.f});
        void setViewTarget(glm::vec3 position, glm::vec3 target, glm::vec3 up = glm::vec3{0.f, -1.f, 0.f});
        void setViewYXZ(glm::vec3 position, glm::vec3 rotation);

        const glm::mat4& getProjection() const { return m_projectionMatrix; }
        const glm::mat4& getView() const { return m_viewMatrix; }
        const glm::mat4& getInverseView() const { return m_inverseViewMatrix; }
    private:
        glm::mat4 m_projectionMatrix{1.0f};
        glm::mat4 m_viewMatrix{1.0f};
        glm::mat4 m_inverseViewMatrix{1.0f};
    };
} // namespace hk