diff --git a/main.cpp b/main.cpp
index b6cfce9..30d4635 100644
--- a/main.cpp
+++ b/main.cpp
@@ -32,18 +32,17 @@ int main(int argc, char** argv)
 	{
 		callbacks::handleCallbacks(&eventHandler);
 
-		//SDL_FillRect(surface, NULL, SDL_MapRGB(surface->format, 0, 0, 0));
+		ray2D ray = ray2D::trace(vector2(0, 201), vector2(.01, 0));
+		ray2D ray2 = ray2D::trace(vector2(201, 0), vector2(0, .01));
 
-		ray2D ray = ray2D::trace(vector2(0, 200), vector2(1, 0));
-		//SDL_RenderClear(renderer);
 		SDL_RenderDrawLine(renderer, ray.start.x, ray.start.y, ray.end.x, ray.end.y);
-		SDL_RenderPresent(renderer);
+		SDL_RenderDrawLine(renderer, ray2.start.x, ray2.start.y, ray2.end.x, ray2.end.y);
 
 
-		//global::entList.run(surface);
-		//global::entList3D.run(surface);
+		global::entList.run(renderer);
+		global::entList3D.run(renderer);
 
-		//SDL_UpdateWindowSurface(window);
+		SDL_RenderPresent(renderer);
 		SDL_Delay(1);
 	}
 	SDL_DestroyWindow(window);
diff --git a/stuff/objects/cube.h b/stuff/objects/cube.h
index 3057056..a225ef3 100644
--- a/stuff/objects/cube.h
+++ b/stuff/objects/cube.h
@@ -14,9 +14,9 @@ struct cube : public square
 	{
 		this->z = z_;
 	}
-	void run(SDL_Surface* surface)
+	void run(SDL_Renderer* renderer)
 	{
 		//SDL_Rect rect{ this->x, this->y, this->radius, this->radius };
-		//SDL_FillRect(surface, &rect, SDL_MapRGB(surface->format, 0xFF, 0xFF, 0xFF));
+		//SDL_RenderFillRect(renderer, &rect);
 	}
 };
\ No newline at end of file
diff --git a/stuff/objects/entityList2D.h b/stuff/objects/entityList2D.h
index 0f6d623..c837707 100644
--- a/stuff/objects/entityList2D.h
+++ b/stuff/objects/entityList2D.h
@@ -9,11 +9,11 @@ entityList2D is the 2D entity container class
 class entityList2D : public std::vector<square>
 {
 public:
-	void run(SDL_Surface* surface)
+	void run(SDL_Renderer* renderer)
 	{
 		for (square entity : *this)
 		{
-			entity.run(surface);
+			entity.run(renderer);
 		}
 	}
 };
\ No newline at end of file
diff --git a/stuff/objects/entityList3D.h b/stuff/objects/entityList3D.h
index 168c59f..daae1e4 100644
--- a/stuff/objects/entityList3D.h
+++ b/stuff/objects/entityList3D.h
@@ -9,11 +9,11 @@ entityList3D is the 3D entity container class
 class entityList3D : public std::vector<cube>
 {
 public:
-	void run(SDL_Surface* surface)
+	void run(SDL_Renderer* renderer)
 	{
 		for (cube entity : *this)
 		{
-			entity.run(surface);
+			entity.run(renderer);
 		}
 	}
 };
\ No newline at end of file
diff --git a/stuff/objects/ray2D.h b/stuff/objects/ray2D.h
index 41a0d6c..804ae57 100644
--- a/stuff/objects/ray2D.h
+++ b/stuff/objects/ray2D.h
@@ -23,7 +23,7 @@ struct ray2D
 		{
 			for (square object : global::entList)
 			{
-				if (inRect(point, vector2(object.x - (object.radius / 2), object.y - (object.radius / 2)), vector2(object.x + (object.radius / 2), object.y + (object.radius / 2))))
+				if (inRect(point, vector2(object.x, object.y), vector2(object.x + object.radius, object.y + object.radius)))
 				{
 					ray.start = start;
 					ray.end = point;
diff --git a/stuff/objects/square.h b/stuff/objects/square.h
index 6d9e008..91d3d2c 100644
--- a/stuff/objects/square.h
+++ b/stuff/objects/square.h
@@ -16,9 +16,9 @@ struct square : public vector2
 	{
 		this->radius = radius_;
 	}
-	void run(SDL_Surface* surface)
+	void run(SDL_Renderer* renderer)
 	{
 		SDL_Rect rect{ this->x, this->y, this->radius, this->radius };
-		SDL_FillRect(surface, &rect, SDL_MapRGB(surface->format, 0xFF, 0xFF, 0xFF));
+		SDL_RenderFillRect(renderer, &rect);
 	}
 };
\ No newline at end of file