bool Maze_Test::OnUserUpdate(float fElapsedTime)
{
	static int32_t		old_mouse_x = 0,old_mouse_y = 0;
	static int32_t		mouse_x = 0,mouse_y = 0;

	if (GetMouse(0).bPressed)
	{
		mouse_x = GetMouseX();
		mouse_y = GetMouseY();
		mouse_x += mouse_x / column_width;
		mouse_y += mouse_y / row_height;
		old_mouse_x = mouse_x;
		old_mouse_y = mouse_y;
	}

	if (GetMouse(0).bHeld)
	{
		mouse_x = GetMouseX();
		mouse_y = GetMouseY();

		if(mouse_x >= 0 && mouse_x < ScreenWidth())
		{
			mouse_x += mouse_x / column_width;
			mouse_y += mouse_y / row_height;

			if(maze_width > ScreenWidth())
			{
				pan_x += (mouse_x - old_mouse_x);
				if(pan_x > 0)
					pan_x = 0;
				if(pan_x < -maze_width + ScreenWidth())
					pan_x = -maze_width + ScreenWidth();
			}
		}

		if (mouse_y >= 0 && mouse_y < ScreenHeight())
		{
			if (maze_height > ScreenHeight())
			{
				pan_y += (mouse_y - old_mouse_y);
				if (pan_y > 0)
					pan_y = 0;
				if (pan_y < -maze_height + ScreenHeight())
					pan_y = -maze_height + ScreenHeight();
			}
		}

		Clear(olc::WHITE);

		DrawGrid();
		DrawSolvePath();
		DrawMaze();

		old_mouse_x = mouse_x;
		old_mouse_y = mouse_y;
	}

	return true;
}