public int getNumAreaAtPosition(int x, int y) {
		
		if (y > 660) {
			return -1;
		}
		
		int widthWindow = AppliWindow.getInstance().getWidth();
		int heightWindow = AppliWindow.getInstance().getHeight();
		
		int xMap = x * this.widthMap / widthWindow;
		int yMap = y * this.heightMap / heightWindow ;
		
		if(xMap<0 || xMap >= this.widthMap || yMap < 0 || yMap >= this.heightMap) {
			return -1;
		}
		
		return this.map[xMap][yMap];
	}