4 files changed, 86 insertions, 89 deletions

diff --git a/src/crepe/system/AISystem.cpp b/src/crepe/system/AISystem.cpp
index d231c7c..680dbb8 100644
--- a/src/crepe/system/AISystem.cpp
+++ b/src/crepe/system/AISystem.cpp
@@ -13,12 +13,10 @@ using namespace std::chrono;
 void AISystem::update() {
 	const Mediator & mediator = this->mediator;
 	ComponentManager & mgr = mediator.component_manager;
-	LoopTimerManager & timer = mediator.loop_timer;
-	RefVector<AI> ai_components = mgr.get_components_by_type<AI>();
 	LoopTimerManager & loop_timer = mediator.loop_timer;
+	RefVector<AI> ai_components = mgr.get_components_by_type<AI>();
 
-	//TODO: Use fixed loop dt (this is not available at master at the moment)
-	duration_t dt = loop_timer.get_delta_time();
+	float dt = loop_timer.get_scaled_fixed_delta_time().count();
 
 	// Loop through all AI components
 	for (AI & ai : ai_components) {
@@ -45,7 +43,7 @@ void AISystem::update() {
 		// Calculate the acceleration (using the above calculated force)
 		vec2 acceleration = force / rigidbody.data.mass;
 		// Finally, update Rigidbody's velocity
-		rigidbody.data.linear_velocity += acceleration * duration_cast<seconds>(dt).count();
+		rigidbody.data.linear_velocity += acceleration * dt;
 	}
 }
 
@@ -146,7 +144,7 @@ vec2 AISystem::arrive(const AI & ai, const Rigidbody & rigidbody,
 		}
 
 		float speed = distance / ai.arrive_deceleration;
-		speed = std::min(speed, rigidbody.data.max_linear_velocity.length());
+		speed = std::min(speed, rigidbody.data.max_linear_velocity);
 		vec2 desired_velocity = to_target * (speed / distance);
 
 		return desired_velocity - rigidbody.data.linear_velocity;
diff --git a/src/crepe/system/PhysicsSystem.cpp b/src/crepe/system/PhysicsSystem.cpp
index ebf4439..3b3b8ab 100644
--- a/src/crepe/system/PhysicsSystem.cpp
+++ b/src/crepe/system/PhysicsSystem.cpp
@@ -5,88 +5,95 @@
 #include "../api/Transform.h"
 #include "../api/Vector2.h"
 #include "../manager/ComponentManager.h"
+#include "../manager/LoopTimerManager.h"
+#include "../manager/Mediator.h"
 
 #include "PhysicsSystem.h"
 
 using namespace crepe;
 
 void PhysicsSystem::update() {
-	ComponentManager & mgr = this->mediator.component_manager;
+
+	const Mediator & mediator = this->mediator;
+	ComponentManager & mgr = mediator.component_manager;
+	LoopTimerManager & loop_timer = mediator.loop_timer;
 	RefVector<Rigidbody> rigidbodies = mgr.get_components_by_type<Rigidbody>();
-	RefVector<Transform> transforms = mgr.get_components_by_type<Transform>();
+	float dt = loop_timer.get_scaled_fixed_delta_time().count();
 
-	double gravity = Config::get_instance().physics.gravity;
+	float gravity = Config::get_instance().physics.gravity;
 	for (Rigidbody & rigidbody : rigidbodies) {
 		if (!rigidbody.active) continue;
+		Transform & transform
+			= mgr.get_components_by_id<Transform>(rigidbody.game_object_id).front().get();
 
 		switch (rigidbody.data.body_type) {
 			case Rigidbody::BodyType::DYNAMIC:
-				for (Transform & transform : transforms) {
-					if (transform.game_object_id == rigidbody.game_object_id) {
+				if (transform.game_object_id == rigidbody.game_object_id) {
+					// Add gravity
 
-						// Add gravity
-						if (rigidbody.data.gravity_scale > 0) {
-							rigidbody.data.linear_velocity.y
-								+= (rigidbody.data.mass * rigidbody.data.gravity_scale
-									* gravity);
-						}
-						// Add damping
-						if (rigidbody.data.angular_velocity_coefficient > 0) {
-							rigidbody.data.angular_velocity
-								*= rigidbody.data.angular_velocity_coefficient;
-						}
-						if (rigidbody.data.linear_velocity_coefficient.x > 0
-							&& rigidbody.data.linear_velocity_coefficient.y > 0) {
-							rigidbody.data.linear_velocity
-								*= rigidbody.data.linear_velocity_coefficient;
-						}
+					if (rigidbody.data.mass <= 0) {
+						throw std::runtime_error("Mass must be greater than 0");
+					}
 
-						// Max velocity check
-						if (rigidbody.data.angular_velocity
-							> rigidbody.data.max_angular_velocity) {
-							rigidbody.data.angular_velocity
-								= rigidbody.data.max_angular_velocity;
-						} else if (rigidbody.data.angular_velocity
-								   < -rigidbody.data.max_angular_velocity) {
-							rigidbody.data.angular_velocity
-								= -rigidbody.data.max_angular_velocity;
-						}
+					if (gravity <= 0) {
+						throw std::runtime_error("Config Gravity must be greater than 0");
+					}
 
-						if (rigidbody.data.linear_velocity.x
-							> rigidbody.data.max_linear_velocity.x) {
-							rigidbody.data.linear_velocity.x
-								= rigidbody.data.max_linear_velocity.x;
-						} else if (rigidbody.data.linear_velocity.x
-								   < -rigidbody.data.max_linear_velocity.x) {
-							rigidbody.data.linear_velocity.x
-								= -rigidbody.data.max_linear_velocity.x;
-						}
+					if (rigidbody.data.gravity_scale > 0 && !rigidbody.data.constraints.y) {
+						rigidbody.data.linear_velocity.y
+							+= (rigidbody.data.mass * rigidbody.data.gravity_scale * gravity
+								* dt);
+					}
+					// Add coefficient rotation
+					if (rigidbody.data.angular_velocity_coefficient > 0) {
+						rigidbody.data.angular_velocity
+							*= std::pow(rigidbody.data.angular_velocity_coefficient, dt);
+					}
 
-						if (rigidbody.data.linear_velocity.y
-							> rigidbody.data.max_linear_velocity.y) {
-							rigidbody.data.linear_velocity.y
-								= rigidbody.data.max_linear_velocity.y;
-						} else if (rigidbody.data.linear_velocity.y
-								   < -rigidbody.data.max_linear_velocity.y) {
-							rigidbody.data.linear_velocity.y
-								= -rigidbody.data.max_linear_velocity.y;
-						}
+					// Add coefficient movement horizontal
+					if (rigidbody.data.linear_velocity_coefficient.x > 0
+						&& !rigidbody.data.constraints.x) {
+						rigidbody.data.linear_velocity.x
+							*= std::pow(rigidbody.data.linear_velocity_coefficient.x, dt);
+					}
 
-						// Move object
-						if (!rigidbody.data.constraints.rotation) {
-							transform.rotation += rigidbody.data.angular_velocity;
-							transform.rotation = std::fmod(transform.rotation, 360.0);
-							if (transform.rotation < 0) {
-								transform.rotation += 360.0;
-							}
-						}
-						if (!rigidbody.data.constraints.x) {
-							transform.position.x += rigidbody.data.linear_velocity.x;
-						}
-						if (!rigidbody.data.constraints.y) {
-							transform.position.y += rigidbody.data.linear_velocity.y;
+					// Add coefficient movement horizontal
+					if (rigidbody.data.linear_velocity_coefficient.y > 0
+						&& !rigidbody.data.constraints.y) {
+						rigidbody.data.linear_velocity.y
+							*= std::pow(rigidbody.data.linear_velocity_coefficient.y, dt);
+					}
+
+					// Max velocity check
+					if (rigidbody.data.angular_velocity
+						> rigidbody.data.max_angular_velocity) {
+						rigidbody.data.angular_velocity = rigidbody.data.max_angular_velocity;
+					} else if (rigidbody.data.angular_velocity
+							   < -rigidbody.data.max_angular_velocity) {
+						rigidbody.data.angular_velocity = -rigidbody.data.max_angular_velocity;
+					}
+
+					// Set max velocity to maximum length
+					if (rigidbody.data.linear_velocity.length()
+						> rigidbody.data.max_linear_velocity) {
+						rigidbody.data.linear_velocity.normalize();
+						rigidbody.data.linear_velocity *= rigidbody.data.max_linear_velocity;
+					}
+
+					// Move object
+					if (!rigidbody.data.constraints.rotation) {
+						transform.rotation += rigidbody.data.angular_velocity * dt;
+						transform.rotation = std::fmod(transform.rotation, 360.0);
+						if (transform.rotation < 0) {
+							transform.rotation += 360.0;
 						}
 					}
+					if (!rigidbody.data.constraints.x) {
+						transform.position.x += rigidbody.data.linear_velocity.x * dt;
+					}
+					if (!rigidbody.data.constraints.y) {
+						transform.position.y += rigidbody.data.linear_velocity.y * dt;
+					}
 				}
 				break;
 			case Rigidbody::BodyType::KINEMATIC:
diff --git a/src/crepe/system/RenderSystem.cpp b/src/crepe/system/RenderSystem.cpp
index 51340fb..afd9548 100644
--- a/src/crepe/system/RenderSystem.cpp
+++ b/src/crepe/system/RenderSystem.cpp
@@ -15,6 +15,7 @@
 #include "../manager/ResourceManager.h"
 
 #include "RenderSystem.h"
+#include "types.h"
 
 using namespace crepe;
 using namespace std;
@@ -29,7 +30,7 @@ void RenderSystem::present_screen() {
 	ctx.present_screen();
 }
 
-SDLContext::CameraValues RenderSystem::update_camera() {
+void RenderSystem::update_camera() {
 	ComponentManager & mgr = this->mediator.component_manager;
 	SDLContext & ctx = this->mediator.sdl_context;
 	RefVector<Camera> cameras = mgr.get_components_by_type<Camera>();
@@ -40,9 +41,9 @@ SDLContext::CameraValues RenderSystem::update_camera() {
 		if (!cam.active) continue;
 		const Transform & transform
 			= mgr.get_components_by_id<Transform>(cam.game_object_id).front().get();
-		SDLContext::CameraValues cam_val = ctx.set_camera(cam);
-		cam_val.cam_pos = transform.position + cam.data.postion_offset;
-		return cam_val;
+		vec2 new_camera_pos = transform.position + cam.data.postion_offset;
+		ctx.update_camera_view(cam, new_camera_pos);
+		return;
 	}
 	throw std::runtime_error("No active cameras in current scene");
 }
@@ -69,8 +70,7 @@ void RenderSystem::update() {
 	this->present_screen();
 }
 
-bool RenderSystem::render_particle(const Sprite & sprite, const SDLContext::CameraValues & cam,
-								   const double & scale) {
+bool RenderSystem::render_particle(const Sprite & sprite, const double & scale) {
 
 	ComponentManager & mgr = this->mediator.component_manager;
 	SDLContext & ctx = this->mediator.sdl_context;
@@ -93,7 +93,6 @@ bool RenderSystem::render_particle(const Sprite & sprite, const SDLContext::Came
 			ctx.draw(SDLContext::RenderContext{
 				.sprite = sprite,
 				.texture = res,
-				.cam = cam,
 				.pos = p.position,
 				.angle = p.angle,
 				.scale = scale,
@@ -102,8 +101,7 @@ bool RenderSystem::render_particle(const Sprite & sprite, const SDLContext::Came
 	}
 	return rendering_particles;
 }
-void RenderSystem::render_normal(const Sprite & sprite, const SDLContext::CameraValues & cam,
-								 const Transform & tm) {
+void RenderSystem::render_normal(const Sprite & sprite, const Transform & tm) {
 	SDLContext & ctx = this->mediator.sdl_context;
 	ResourceManager & resource_manager = this->mediator.resource_manager;
 	const Texture & res = resource_manager.get<Texture>(sprite.source);
@@ -111,7 +109,6 @@ void RenderSystem::render_normal(const Sprite & sprite, const SDLContext::Camera
 	ctx.draw(SDLContext::RenderContext{
 		.sprite = sprite,
 		.texture = res,
-		.cam = cam,
 		.pos = tm.position,
 		.angle = tm.rotation,
 		.scale = tm.scale,
@@ -120,7 +117,7 @@ void RenderSystem::render_normal(const Sprite & sprite, const SDLContext::Camera
 
 void RenderSystem::render() {
 	ComponentManager & mgr = this->mediator.component_manager;
-	const SDLContext::CameraValues & cam = this->update_camera();
+	this->update_camera();
 
 	RefVector<Sprite> sprites = mgr.get_components_by_type<Sprite>();
 	RefVector<Sprite> sorted_sprites = this->sort(sprites);
@@ -130,10 +127,10 @@ void RenderSystem::render() {
 		const Transform & transform
 			= mgr.get_components_by_id<Transform>(sprite.game_object_id).front().get();
 
-		bool rendered_particles = this->render_particle(sprite, cam, transform.scale);
+		bool rendered_particles = this->render_particle(sprite, transform.scale);
 
 		if (rendered_particles) continue;
 
-		this->render_normal(sprite, cam, transform);
+		this->render_normal(sprite, transform);
 	}
 }
diff --git a/src/crepe/system/RenderSystem.h b/src/crepe/system/RenderSystem.h
index e270a6b..fc7b46e 100644
--- a/src/crepe/system/RenderSystem.h
+++ b/src/crepe/system/RenderSystem.h
@@ -2,8 +2,6 @@
 
 #include <cmath>
 
-#include "facade/SDLContext.h"
-
 #include "System.h"
 #include "types.h"
 
@@ -14,7 +12,6 @@ class Sprite;
 class Transform;
 
 /**
- * \class RenderSystem
  * \brief Manages rendering operations for all game objects.
  *
  * RenderSystem is responsible for rendering, clearing and presenting the screen, and
@@ -37,7 +34,7 @@ private:
 	void present_screen();
 
 	//! Updates the active camera used for rendering.
-	SDLContext::CameraValues update_camera();
+	void update_camera();
 
 	//! Renders the whole screen
 	void render();
@@ -52,8 +49,7 @@ private:
 	 *  constructor is now protected i cannot make tmp inside
 	 * \return true if particles have been rendered
 	 */
-	bool render_particle(const Sprite & sprite, const SDLContext::CameraValues & cam,
-						 const double & scale);
+	bool render_particle(const Sprite & sprite, const double & scale);
 
 	/**
 	 * \brief renders a sprite with a Transform component on the screen
@@ -61,8 +57,7 @@ private:
 	 * \param sprite  the sprite component that holds all the data
 	 * \param tm the Transform component that holds the position,rotation and scale
 	 */
-	void render_normal(const Sprite & sprite, const SDLContext::CameraValues & cam,
-					   const Transform & tm);
+	void render_normal(const Sprite & sprite, const Transform & tm);
 
 	/**
 	 * \brief sort a vector sprite objects with