camera.h

#ifndef CAMERA_H
#define CAMERA_H

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

#include <vector>
#include <math.h>

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

const float YAW         = -90.0f;
const float PITCH       =  0.0f;
const float SPEED       =  5.0f;
const float SENSITIVITY =  0.05f;
const float ZOOM        =  45.0f;

class Camera
{
public:
    glm::vec3 Position;
    glm::vec3 Front;
    glm::vec3 Up;
    glm::vec3 Right;
    glm::vec3 WorldUp;
    
    float Yaw;
    float Pitch;
    
    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(Camera_Movement direction, float deltaTime);
    void ProcessMouseMovement(float xoffset, float yoffset, GLboolean constrainPitch = true);
    void ProcessMouseScroll(float yoffset);
    
private:
    void updateCameraVectors();
};
#endif