rocketcommand.java

J2ME飞机设计游戏,希望对学习J2ME的程序员有所帮助

public class RocketCommand implements Command {
	public RocketCommand() {
		world = World.getInstance();
		planeActor = BattlePlaneActor.getInstance();
	}

	public void execute(int xPos, int yPos) {
		if (planeActor.getBattle_magic() >= 60) {
			// 设置左边的导弹
			Bullet lBulletFir = world.newBullet(11, xPos - (12 << 8), yPos
					- (16 << 8), -2 << 8, 0);
			lBulletFir.setMoveTimes(8); // 设置向左移动的时间间隔

			Bullet lBulletTw = world.newBullet(11, xPos - (12 << 8), yPos
					- (16 << 8), -4 << 8, 0);
			lBulletTw.setMoveTimes(6);

			Bullet lBulletThr = world.newBullet(11, xPos - (12 << 8), yPos
					- (16 << 8), -8 << 8, 0);
			lBulletThr.setMoveTimes(4);

			// 设置右边的导弹
			Bullet rBulletFir = world.newBullet(11, xPos + (12 << 8), yPos
					- (16 << 8), 2 << 8, 0);
			rBulletFir.setMoveTimes(8); // 设置向右移动的时间间隔
			
			Bullet rBulletTw = world.newBullet(11, xPos + (12 << 8), yPos
					- (16 << 8), 4 << 8, 0);
			rBulletTw.setMoveTimes(6);

			Bullet rBulletThr = world.newBullet(11, xPos + (12 << 8), yPos
					- (16 << 8), 8 << 8, 0);
			rBulletThr.setMoveTimes(4);
			planeActor.setBattle_magic(planeActor.getBattle_magic() - 60);  //减去魔法值
		}
	}

	private World world;
	private BattlePlaneActor planeActor;
}