+ | Camera system

srcs/Camera.cpp

@@ -12,23 +12,46 @@
 
 #include "Camera.hpp"
 
-Camera::Camera(void)
+Camera::Camera(glm::vec3 start_pos, glm::vec3 start_up, float start_yaw, float start_pitch)
+			: _forward(glm::vec3(0.0f, 0.0f, -1.0f)), _yaw(start_yaw), _pitch(start_pitch), _position(start_pos), _up(start_up)
 {
-}
-
-Camera::Camera(Camera const &src)
-{
-	*this = src;
+	update_camera_vectors();
 }
 
 Camera::~Camera(void)
 {
 }
 
-Camera	&Camera::operator=(Camera const &rhs)
+void		Camera::update_camera_vectors()
 {
-	if (this != &rhs)
+	glm::vec3 frontTemp;
+
+	frontTemp.x = cos(glm::radians(_yaw)) * cos(glm::radians(_pitch));
+	frontTemp.y = sin(glm::radians(_pitch));
+	frontTemp.z = sin(glm::radians(_yaw)) * cos(glm::radians(_pitch));
+	_forward = glm::normalize(frontTemp);
+
+	_right = glm::normalize(glm::cross(_forward, _up));
+	_up = glm::normalize(glm::cross(_right, _forward));
+}
+
+glm::mat4	Camera::get_view_matrix()
+{
+	return (glm::lookAt(_position, _position + _forward, _up));
+}
+
+void		Camera::process_movement(float xoffset, float yoffset, bool constraint_pitch = true)
+{
+	_yaw   += xoffset;
+	_pitch += yoffset;
+
+	if (constraint_pitch)
 	{
+		if (_pitch > 89.0f) _pitch = 89.0f;
+		if (_pitch < -89.0f) _pitch = -89.0f;
 	}
-	return (*this);
+
+	update_camera_vectors();
+
+	std::cout << _yaw << " " << _pitch << std::endl;
 }