public void setDificulty(int dif) {
		
		switch(dif){
		case 0:
			for (int i = 0; i < DRnum; i++) {
				dragons[i].move=false;
			}
			break;
		case 1:
			for (int i = 0; i < DRnum; i++) {
				dragons[i].wakeFactor=30;
				dragons[i].sleepFactor=10;
			}
		case 2:
			for (int i =0;i<DRnum;i++){
				dragons[i].wakeFactor=10;
				dragons[i].sleepFactor=30;
			}
		case 3:
			for (int i =0;i<DRnum;i++){
				dragons[i].wakeFactor=5;
				dragons[i].sleepFactor=60;
			}
		}
		
	}