Added the Grid, Camera, Level system

Basic player
Started (Barely) on the TextureManager
And other fixes

Engine/utils.cpp

@@ -5,13 +5,17 @@
 #include <iostream>
 #include "utils.h"
 
-
 #pragma region OpenGLDrawFunctionality
 void utils::SetColor( const Color4f& color )
 {
 	glColor4f( color.r, color.g, color.b, color.a );
 }
 
+void utils::ClearBackground( const Color4f& color ) {
+	glClearColor(color.r, color.g, color.b, color.a);
+	glClear(GL_COLOR_BUFFER_BIT);
+}
+
 void utils::DrawPoint( float x, float y, float pointSize )
 {
 	glPointSize( pointSize );
@@ -684,3 +688,7 @@ bool utils::IntersectRectLine(const Rectf& r, const Point2f& p1, const Point2f&
 }
 
 #pragma endregion CollisionFunctionality
+
+int utils::randRange(int min, int max) {
+	return min + rand() % (( max + 1 ) - min);
+}