JAVA小游戏----坦克大战(swing贴图版)（六）

这里我们处理一下坦克的击中效果，光击中坦克然后坦克消失总觉得缺了点意思，于是想到加个爆炸效果，实现方式也不复杂

爆炸是一个过程，我们可以创建一个爆炸类，每次”播放“不同的照片，照片数量足够时，就能形成爆炸效果

Boom类：

public class Boom {
	// 位置
	int x;
	int y;
	// 大小
	int width = 20;
	int height = 20;
	// 爆炸数量
	int boomNum = 8;
	// 爆炸对象是否死亡
	boolean is_Dead;
	// 爆炸图片
	Image BoomImage;

	// set get
	public int getX() {
		return x;
	}

	public void setX(int x) {
		this.x = x;
	}

	public int getY() {
		return y;
	}

	public void setY(int y) {
		this.y = y;
	}

	public int getWidth() {
		return width;
	}

	public void setWidth(int width) {
		this.width = width;
	}

	public int getHeight() {
		return height;
	}

	public void setHeight(int height) {
		this.height = height;
	}

	public int getBoomNum() {
		return boomNum;
	}

	public void setBoomNum(int boomNum) {
		this.boomNum = boomNum;
	}

	public boolean isIs_Dead() {
		return is_Dead;
	}

	public void setIs_Dead(boolean is_Dead) {
		this.is_Dead = is_Dead;
	}

	public Image getBoomImage() {
		return BoomImage;
	}

	public void setBoomImage(Image boomImage) {
		BoomImage = boomImage;
	}

	// 构造函数
	public Boom(int x, int y) {
		super();
		this.x = x;
		this.y = y;
	}

	public void draw() {
		switch (this.boomNum--) {
		case 8:
			setBoomImage(Toolkit.getDefaultToolkit().getImage("blast1.gif"));
			break;
		case 7:
			setBoomImage(Toolkit.getDefaultToolkit().getImage("blast2.gif"));
			break;
		case 6:
			setBoomImage(Toolkit.getDefaultToolkit().getImage("blast3.gif"));
			break;
		case 5:
			setBoomImage(Toolkit.getDefaultToolkit().getImage("blast4.gif"));
			break;
		case 4:
			setBoomImage(Toolkit.getDefaultToolkit().getImage("blast5.gif"));
			break;
		case 3:
			setBoomImage(Toolkit.getDefaultToolkit().getImage("blast6.gif"));
			break;
		case 2:
			setBoomImage(Toolkit.getDefaultToolkit().getImage("blast7.gif"));
			break;
		case 1:
			setBoomImage(Toolkit.getDefaultToolkit().getImage("blast8.gif"));
			break;
		default:
			setIs_Dead(true);// 数字走完则死亡
		}
	}

}

回到TankPanel类中，创建Boom的ArryList，每次有坦克死亡时，向里面添加爆炸

ArrayList booms = new ArrayList<>();// 爆炸

在绘制敌方坦克时，若死亡，则

booms.add(new Boom(etanks.get(i).getLocal_x(), etanks.get(i).getLocal_y()));//添加爆炸
etanks.remove(i);

绘制爆炸

		// 绘制爆炸
		for (int i = 0; i < booms.size(); i++) {
			if (booms.get(i).isIs_Dead()) {
				booms.remove(i);
			} else {
				Boom boom = booms.get(i);
				boom.draw();
				g.drawImage(boom.getBoomImage(), boom.getX(), boom.getY(), boom.getWidth(), boom.getHeight(), this);
			}
		}

改动过的源码：

TankPanel:

public class TankPanel extends JPanel implements Runnable {

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;

	MyTank mtank = new MyTank(100, 100, false);// 我方坦克
	ArrayList etanks = new ArrayList<>();// 敌方坦克
	ArrayList booms = new ArrayList<>();// 爆炸

	@Override
	protected void paintComponent(Graphics g) {

		super.paintComponent(g);
		g.fillRect(0, 0, TankFrame.Frame_Width, TankFrame.Frame_Height);

		// 绘制我方坦克
		mtank.draw();
		g.drawImage(mtank.getTankImage(), mtank.getLocal_x(), mtank.getLocal_y(), mtank.getWidth(), mtank.getHeight(),
				this);
		mtank.move();

		// 绘制我方子弹
		for (int i = 0; i < mtank.getBullets().size(); i++) {
			Bullet b = mtank.getBullets().get(i);
			for (int j = 0; j < etanks.size(); j++) {
				if (b.is_CollisonTank(etanks.get(j))) {
					System.out.println("敌机被击中");
				}
			}
			if (b.isIs_Dead() == true) {
				mtank.getBullets().remove(i);// 死亡则移除
			} else {
				b.draw();
				g.drawImage(b.getBulletIamge(), b.getLocal_x(), b.getLocal_y(), Bullet.width, Bullet.height, this);
				b.move();
			}
		}

		// 绘制敌方坦克及子弹
		for (int i = 0; i < etanks.size(); i++) {
			if (etanks.get(i).isIs_Dead()) {
				booms.add(new Boom(etanks.get(i).getLocal_x(), etanks.get(i).getLocal_y()));//添加爆炸
				etanks.remove(i);
			} else {
				etanks.get(i).draw();
				g.drawImage(etanks.get(i).getTankImage(), etanks.get(i).getLocal_x(), etanks.get(i).getLocal_y(),
						etanks.get(i).getWidth(), etanks.get(i).getHeight(), this);
				etanks.get(i).move();
				// 绘制子弹
				for (int j = 0; j < etanks.get(i).getBullets().size(); j++) {
					Bullet b = etanks.get(i).getBullets().get(j);
					if (b.is_CollisonTank(mtank)) {
						System.out.println("我方被击中");
					}
					if (b.isIs_Dead()) {
						etanks.get(i).getBullets().remove(j);
					} else {
						b.draw();
						g.drawImage(b.getBulletIamge(), b.getLocal_x(), b.getLocal_y(), Bullet.width, Bullet.height,
								this);
						b.move();
					}
				}
			}
		}

		// 绘制爆炸
		for (int i = 0; i < booms.size(); i++) {
			if (booms.get(i).isIs_Dead()) {
				booms.remove(i);
			} else {
				Boom boom = booms.get(i);
				boom.draw();
				g.drawImage(boom.getBoomImage(), boom.getX(), boom.getY(), boom.getWidth(), boom.getHeight(), this);
			}
		}

	}

	@Override
	public void run() {
		while (true) {
			// 控制生成六只坦克
			if (etanks.size() < 6) {
				etanks.add(new EnemyTank());
			}
			repaint();
			try {
				Thread.sleep(100);
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
	}

}

Boom:

public class Boom {
	// 位置
	int x;
	int y;
	// 大小
	int width = 20;
	int height = 20;
	// 爆炸数量
	int boomNum = 8;
	// 爆炸对象是否死亡
	boolean is_Dead;
	// 爆炸图片
	Image BoomImage;

	// set get
	public int getX() {
		return x;
	}

	public void setX(int x) {
		this.x = x;
	}

	public int getY() {
		return y;
	}

	public void setY(int y) {
		this.y = y;
	}

	public int getWidth() {
		return width;
	}

	public void setWidth(int width) {
		this.width = width;
	}

	public int getHeight() {
		return height;
	}

	public void setHeight(int height) {
		this.height = height;
	}

	public int getBoomNum() {
		return boomNum;
	}

	public void setBoomNum(int boomNum) {
		this.boomNum = boomNum;
	}

	public boolean isIs_Dead() {
		return is_Dead;
	}

	public void setIs_Dead(boolean is_Dead) {
		this.is_Dead = is_Dead;
	}

	public Image getBoomImage() {
		return BoomImage;
	}

	public void setBoomImage(Image boomImage) {
		BoomImage = boomImage;
	}

	// 构造函数
	public Boom(int x, int y) {
		super();
		this.x = x;
		this.y = y;
	}

	public void draw() {
		switch (this.boomNum--) {
		case 8:
			setBoomImage(Toolkit.getDefaultToolkit().getImage("blast1.gif"));
			break;
		case 7:
			setBoomImage(Toolkit.getDefaultToolkit().getImage("blast2.gif"));
			break;
		case 6:
			setBoomImage(Toolkit.getDefaultToolkit().getImage("blast3.gif"));
			break;
		case 5:
			setBoomImage(Toolkit.getDefaultToolkit().getImage("blast4.gif"));
			break;
		case 4:
			setBoomImage(Toolkit.getDefaultToolkit().getImage("blast5.gif"));
			break;
		case 3:
			setBoomImage(Toolkit.getDefaultToolkit().getImage("blast6.gif"));
			break;
		case 2:
			setBoomImage(Toolkit.getDefaultToolkit().getImage("blast7.gif"));
			break;
		case 1:
			setBoomImage(Toolkit.getDefaultToolkit().getImage("blast8.gif"));
			break;
		default:
			setIs_Dead(true);// 数字走完则死亡
		}
	}

}