private void placeLightGrenades() {
		while(grid.getLightGrenadeCoverage() < 5){
			int randomX = (int) Math.round(Math.random() * grid.getHorLength());
			int randomY = (int) Math.round(Math.random() * grid.getVerLength());
			
			LightGrenade lg = new LightGrenade(new Position(randomX, randomY));
			if (grid.canHaveAsLightGrenade(lg)) {
				grid.addElement(lg);
			}
		}
	}