135 lines
3.8 KiB
135 lines
3.8 KiB
package com.msb;
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import java.awt.*;
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import java.util.Random;
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/**
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* @Author bingor
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* @Date 2022-09-29 21:53
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* @Description: com.msb
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* @Version: 1.0
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*/
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public class Tank {
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private int x,y;
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private DirEnum dir;
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private static final int SPEED = 4;
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private boolean move = true;
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//为了解决能够在坦克中发射子弹，将创建的子弹通过坦克发射出来，那么需要在坦克类中持有游戏窗口的引用
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private TankFrame tankFrame;
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public static final int WIDTH = ResourcesMgr.goodTankU.getWidth();
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public static final int HEIGHT = ResourcesMgr.goodTankU.getHeight();
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private boolean live = true;
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private Random random = new Random();
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private GroupEnum group = GroupEnum.BAD;
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private Rectangle rectangle = new Rectangle();
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public Tank(int x, int y, DirEnum dir, GroupEnum group, TankFrame tankFrame) {
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this.x = x;
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this.y = y;
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this.dir = dir;
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this.group = group;
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this.tankFrame = tankFrame;
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rectangle.x = this.x;
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rectangle.x = this.y;
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rectangle.width = WIDTH;
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rectangle.height = HEIGHT;
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}
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public void paint(Graphics g) {
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if( ! live) {
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tankFrame.tanks.remove(this);
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return;
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}
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switch (dir) {
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case UP: g.drawImage(this.group==GroupEnum.GOOD ? ResourcesMgr.goodTankU : ResourcesMgr.badTankU, x, y, null); break;
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case DOWN: g.drawImage(this.group==GroupEnum.GOOD ? ResourcesMgr.goodTankD : ResourcesMgr.badTankD, x, y, null); break;
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case LEFT: g.drawImage(this.group==GroupEnum.GOOD ? ResourcesMgr.goodTankL : ResourcesMgr.badTankL, x, y, null); break;
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case RIGHT: g.drawImage(this.group==GroupEnum.GOOD ? ResourcesMgr.goodTankR : ResourcesMgr.badTankR, x, y, null); break;
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default: break;
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}
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moving();
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}
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public void setDir(DirEnum dir) {
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this.dir = dir;
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}
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public DirEnum getDir() {
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return dir;
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}
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public void moving() {
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if( ! move) return;
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switch (dir) {
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case UP: y -= SPEED; break;
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case DOWN: y += SPEED; break;
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case LEFT: x -= SPEED; break;
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case RIGHT: x += SPEED; break;
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default: break;
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}
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//敌方坦克随机发射炮弹
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if(this.group == GroupEnum.BAD && random.nextInt(100) > 95) this.fire();
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//敌方坦克随机改变方向进行
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if(this.group == GroupEnum.BAD && random.nextInt(100) > 95) this.randomDir();
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this.boundsCheck();
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rectangle.x = this.x;
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rectangle.y = this.y;
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}
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public void randomDir() {
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this.dir = DirEnum.values()[random.nextInt(4)];
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}
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public void setMove(boolean move) {
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this.move = move;
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}
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public void fire() {
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//子弹在坦克每个方向上的中心点应该是不一样的. TODO
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int bX = this.x + WIDTH/2 - Bullet.WIDTH/2;
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int bY = this.y+HEIGHT/2-Bullet.HEIGHT/2;
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tankFrame.bullets.add(new Bullet(bX, bY, this.dir, this.group, tankFrame));
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}
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public void boundsCheck() {
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if(this.x < 2) this.x = 2;
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if(this.x > TankFrame.GAME_WIDTH-Tank.WIDTH-2) this.x = TankFrame.GAME_WIDTH-Tank.WIDTH-2;
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if(this.y < 28) this.y = 28; //因为窗口顶上有菜单栏的高度
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if(this.y > TankFrame.GAME_HEIGHT-Tank.HEIGHT-2) this.y = TankFrame.GAME_HEIGHT-Tank.HEIGHT-2;
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}
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public int getX() {
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return x;
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}
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public int getY() {
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return y;
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}
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public void die() {
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this.live = false;
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int eX = this.x + WIDTH/2 - Explode.WIDTH/2;
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int eY = this.y + HEIGHT/2 - Explode.HEIGHT/2;
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tankFrame.explodes.add(new Explode(eX, eY, tankFrame));
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}
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public GroupEnum getGroup() {
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return group;
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}
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public Rectangle getRectangle() {
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return rectangle;
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}
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}
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