+ | Portal teleportation

includes/RT/Camera.hpp

@@ -26,6 +26,8 @@ struct GPUCamera
 	int						bounce;
 };
 
+class Scene;
+
 class Camera
 {
 	public:
@@ -34,12 +36,14 @@ class Camera
 		~Camera(void);
 
 
-		void		update(float deltaTime);
+		void		update(Scene *scene, float deltaTime);
 		void		processMouse(float xoffset, float yoffset, bool constrainPitch);
 		void		processKeyboard(bool forward, bool backward, bool left, bool right, bool up, bool down);
 		
 		void		updateCameraVectors();
 
+		void		portalTeleport(Scene *scene);
+
 		glm::vec3	getPosition();
 		glm::vec2	getDirection();
 		glm::mat4	getViewMatrix();

scenes/dragon.rt

@@ -22,10 +22,10 @@ pl	0 2 0		0 -1 0		0 // ceiling
 pl	0 -2 0		0 1 0		2 // floor
 
 
-qu	-1 1.999 -1	2 0 0		0 0 2		6
+qu	-1 1.999 -1		0 0 2		2 0 0		1 6
 
 OBJ scenes/obj/Dragon_800K.obj -0.5 0 0.55  5       0 90 0
 OBJ scenes/obj/Dragon_800K.obj 0.5 0 -0.55 5		0 -90 0
 
-po  -1.99 -0.5 -0.5           0 1 0   	0 0 1		1	4
-po  1.99 -0.5 -0.5            0 1 0   	0 0 1		0	4
+po  -1.99 -0.5 -0.5           0 1 0   	0 0 1		0	4
+po  1.99 -0.5 -0.5            0 1 0   	0 0 1		1	4

scenes/lambo.rt

@@ -19,7 +19,7 @@ cu  0 10 0      5 5 5   3
 sp  0 10 0    1       4   
 
 
-OBJ obj/lambo.obj 0 1.5 0 	1 	0 0 0
+OBJ scenes/obj/lambo.obj 0 1.5 0 	1 	0 0 0
 
 
 

scenes/noneuclidian.rt

@@ -3,18 +3,27 @@ CAM     0 2.59881 7 -4.8 -89.9996   0 1 90  5
 MAT	100 200 100	0.0	0.0 0.0 // 0
 MAT	200 200 200	0.0	0.0 0.0 // 1
 
-MAT	200 200 200 0 0 0	// 2 portal
+MAT	200 100 100 0 0 0	// 2 portal
+MAT	100 100 200 0 0 0	// 3 portal
+
+MAT	100 200 100 0 0 0	// 4 portal
+MAT	200 100 200 0 0 0	// 5 portal
 
 pl	0 0 0	0 1 0	0
 
 # long tunnel
-po	-1.5 0 4.5	3 0 0	0 3 0	0	2
-po	-1.5 0 -4.5	3 0 0	0 3 0	1	2
-
 qu	-1.5 0 -5		0 3 0	0 0 10	0 1
 qu	1.5 0 -5		0 3 0	0 0 10	0 1
 qu	-1.5 3 -5		3 0 0	0 0 10	0 1
 
+# long tunnel entrance
+po	-1.5 0 5	3 0 0	0 3 0	0	2
+po	9.5 0 0.95		3 0 0	0 3 0	1	2
+
+# long tunnel entrance behind
+po	-1.5 0 -5	3 0 0	0 3 0	1	3
+po	9.5 0 -0.95	3 0 0	0 3 0	0	3
+
 
 # small tunnel
 qu	9.5 0 -1		0 3 0	0 0 2	0 1
@@ -22,9 +31,9 @@ qu	12.5 0 -1		0 3 0	0 0 2	0 1
 qu	9.5 3 -1		3 0 0	0 0 2	0 1
 
 # small tunnel entrance
-po	9.5 0 1	3 0 0	0 3 0	0	2
-po	-1.5 0 4.49	3 0 0	0 3 0	1	2
+# po	9.5 0 1		3 0 0	0 3 0	0	4
+# po	-1.5 0 4.99	3 0 0	0 3 0	1	4
 
-#small tunnel entrace behind
-po	9.5 0 -1	3 0 0	0 3 0	1	2
-po	-1.5 0 -4.49	3 0 0	0 3 0	0	2
+# #small tunnel entrace behind
+# po	9.5 0 -1		3 0 0	0 3 0	1	5
+# po	-1.5 0 -4.99	3 0 0	0 3 0	0	5

srcs/class/Camera.cpp

@@ -36,7 +36,7 @@ void		Camera::updateCameraVectors()
 	_up = glm::normalize(glm::cross(_right, _forward));
 }
 
-void		Camera::update(float delta_time)
+void		Camera::update(Scene *scene, float delta_time)
 {
 	// delta_time = std::min(delta_time, 0.01f);
 
@@ -51,8 +51,46 @@ void		Camera::update(float delta_time)
     
     _position += _velocity * delta_time;
     _acceleration = glm::vec3(0.0f);
+
+	this->portalTeleport(scene);
 }
 
+void		Camera::portalTeleport(Scene *scene)
+{
+	for (const GPUObject &obj : scene->getObjectData())
+	{
+		if (obj.type != (int)Object::Type::PORTAL)
+			continue;
+
+		glm::vec3 portal_to_camera = _position - obj.position;
+		float distance_plane = glm::dot(portal_to_camera, obj.normal);
+		glm::vec3 point_projected = _position - distance_plane * obj.normal;
+
+		glm::mat2 A = glm::mat2(
+			glm::dot(obj.vertex1, obj.vertex1), glm::dot(obj.vertex1, obj.vertex2),
+			glm::dot(obj.vertex1, obj.vertex2), glm::dot(obj.vertex2, obj.vertex2)
+		);
+		glm::vec2 b = glm::vec2(
+			glm::dot(point_projected - obj.position, obj.vertex1),
+			glm::dot(point_projected - obj.position, obj.vertex2)
+		);
+    	glm::vec2 alphaBeta = glm::inverse(A) * b;
+
+		if (alphaBeta.x >= 0.0f && alphaBeta.x <= 1.0f && alphaBeta.y >= 0.0f && alphaBeta.y <= 1.0f)
+		{
+			float distance = glm::length(point_projected - _position);
+			if (distance < 0.1f)
+			{
+				GPUObject linked_portal = scene->getObjectData()[obj.radius];
+				std::cout << glm::to_string(point_projected) << std::endl;
+				_position = linked_portal.position + (_position - obj.position) - linked_portal.normal * 0.1f;
+				std::cout << "Teleporting to " << glm::to_string(_position) << std::endl;
+				
+				break ;
+			}
+		}
+	}
+}
 
 void		Camera::processMouse(float xoffset, float yoffset, bool constraint_pitch = true)
 {

srcs/class/Window.cpp

@@ -155,7 +155,7 @@ void Window::display()
 void Window::pollEvents()
 {
 	this->process_input();
-	_scene->getCamera()->update(_delta);
+	_scene->getCamera()->update(_scene, _delta);
 	
     glfwPollEvents();
 }