camera.h

/*
camera.h
OpenGL Camera Code
*/
#ifndef CAMERA_H
#define CAMERA_H

#include "stdafx.h"
#include <glm/glm.hpp>
#include <glm/gtc/matrix_transform.hpp>
#include <SDL2/SDL.h>

extern SDL_Window* window;
extern SDL_Event e;

using namespace std;

enum CameraDirection {
	LEFT, RIGHT, FORWARD, BACK, UP, DOWN, ROT_LEFT, ROT_RIGHT
};

class Camera {
private :

	glm::mat4 ViewMatrix;
	glm::mat4 ProjectionMatrix;

	// Initial position : on +Z
	glm::vec3 position,InitialPos;
	// Initial horizontal angle : toward -Z
	float horizontalAngle = 3.14f;
	// Initial vertical angle : none
	float verticalAngle = 0.0f;
	// Initial Field of View
	float initialFoV = 45.0f;
	// Actual direction
	glm::vec3 direction;
	// Right vector
	glm::vec3 right;
	// Up
	glm::vec3 up;
	// LookAt
//	glm::vec3 lookAt = glm::vec3(0, 0, -10);
	// Time difference
	float timeDifference = 0;
	
	float speed = 0.20f; // 3 units / second
	float mouseSpeed = 0.01f;

	int temp = 0;

public:
//	Camera();
//	~Camera();
	void SetPosition(glm::vec3);
	void move(CameraDirection);
	void computeMatricesFromInputs();
	glm::mat4 getViewMatrix();
	glm::mat4 getProjectionMatrix();
	void Reset();
	void rotate();
	void calcMatrices();
	void s(int i){ temp += i; }

};
#endif