Camera.h

#pragma once

#include <glm/glm.hpp>
#include <glad.h>

enum CameraMovement {
    FORWARD,
    BACKWARD,
    LEFT,
    RIGHT
};

const float YAW = -90.0f;
const float PITCH = 0.0f;
const float SPEED = 2.5f;
const float SENSITIVITY = 0.1f;
const float ZOOM = 45.0f;

/*
 * Basic camera class based on code from learnopengl.com
 *
 * */

class Camera {
public:
    glm::vec3 position;
    glm::vec3 front;
    glm::vec3 up;
    glm::vec3 right;
    glm::vec3 worldUp;
    // euler Angles
    float yaw;
    float pitch;
    // camera options
    float movementSpeed;
    float mouseSensitivity;
    float zoom;

    Camera(glm::vec3 position = glm::vec3(0.0f, 0.0f, 0.0f),
           glm::vec3 up = glm::vec3(0.0f, 1.0f, 0.0f),
           float yaw = YAW, float pitch = PITCH);
    Camera(float posX, float posY, float posZ, float upX, float upY, float upZ, float yaw, float pitch);

    glm::mat4 GetViewMatrix();

    void ProcessKeyboard(CameraMovement direction, float deltaTime);
    void ProcessMouseMovement(float xoffset, float yoffset, GLboolean constrainPitch = true);
    void ProcessMouseScroll(float yoffset);

private:
    void updateCameraVectors();
};