parent
68b6785ee8
commit
00ffe67d3a
@ -1,200 +0,0 @@
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package game;
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import java.awt.Graphics;
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import java.awt.Image;
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import java.awt.Toolkit;
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import java.awt.event.KeyEvent;
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import java.util.List;
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public class MyFish extends GameObject{
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boolean bU = false, bR = false, bD = false, bL = false;//四个方向的键是否被按下的布尔量
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public int scores = 0;//玩家的游戏积分
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/**
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* 加载我方小鱼的图片
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*/
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private static Toolkit tk = Toolkit.getDefaultToolkit();//拿到系统的工具包
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private static Image myFish_left = null;//朝左的图片
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private static Image myFish_
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right = null;//朝右的图片
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//在静态代码区中完成对图片的加载
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static{
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myFish_left = tk.createImage(MyFish.class.getClassLoader().getResource("images/myFish/myfish_left.gif"));
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myFish_right = tk.createImage(MyFish.class.getClassLoader().getResource("images/myFish/myfish_right.gif"));
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}
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public MyFish(int x, int y, FishFrame ff) {
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super();
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this.x = x;
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this.y = y;
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this.xSpeed = 5;
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this.ySpeed = 5;
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this.dir = Direction.STOP;
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this.width = 40;
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this.height = 40;
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this.ff = ff;
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}
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public void draw(Graphics g) {
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if(!live) return;
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if(dir == Direction.U || dir == Direction.RU || dir == Direction.R || dir == Direction.RD){
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g.drawImage(myFish_right, x, y, width, height, null);
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}else{
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g.drawImage(myFish_left, x, y, width, height, null);
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}
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move();//每画一次就改变鱼的坐标
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}
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/**
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* 按下键盘鱼的方向改变
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* @param e
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*/
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public void keyPressed(KeyEvent e) {
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int key = e.getKeyCode();
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switch(key) {
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case KeyEvent.VK_W :
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bU = true;
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break;
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case KeyEvent.VK_D :
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bR = true;
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break;
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case KeyEvent.VK_S :
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bD = true;
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break;
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case KeyEvent.VK_A :
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bL = true;
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break;
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}
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getDirection();//获得鱼当前的方向
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}
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/**
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* 释放键盘鱼的四个方向布尔值设置为false
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* @param e
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*/
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public void keyRelease(KeyEvent e) {
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int key = e.getKeyCode();
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switch(key) {
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case KeyEvent.VK_W :
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bU = false;
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break;
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case KeyEvent.VK_D :
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bR = false;
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break;
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case KeyEvent.VK_S :
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bD = false;
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break;
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case KeyEvent.VK_A :
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bL = false;
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break;
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}
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getDirection();//获得鱼当前的方向
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}
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/**
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* 根据四个方向的布尔量判断小鱼的方向
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*/
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private void getDirection() {
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if(bU && !bR && !bD && !bL) dir = Direction.U;
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else if(bU && bR && !bD && !bL) dir = Direction.RU;
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else if(!bU && bR && !bD && !bL) dir = Direction.R;
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else if(!bU && bR && bD && !bL) dir = Direction.RD;
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else if(!bU && !bR && bD && !bL) dir = Direction.D;
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else if(!bU && !bR && bD && bL) dir = Direction.LD;
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else if(!bU && !bR && !bD && bL) dir = Direction.L;
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else if(bU && !bR && !bD && bL) dir = Direction.LU;
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else if(!bU && !bR && !bD && !bL) dir = Direction.STOP;
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}
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/**
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* 移动,即改变坐标
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*/
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private void move() {
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switch(dir) {
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case U :
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y -= ySpeed;
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break;
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case RU :
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y -= ySpeed;
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x += xSpeed;
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break;
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case R :
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x += xSpeed;
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break;
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case RD :
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y += ySpeed;
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x += xSpeed;
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break;
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case D :
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y += ySpeed;
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break;
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case LD :
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y += ySpeed;
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x -= xSpeed;
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break;
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case L :
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x -= xSpeed;
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break;
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case LU :
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y -= ySpeed;
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x -= xSpeed;
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break;
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}
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//防止鱼出界
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if(x < 2) x = 2;
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if(y < 31) y = 31;
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if(x > FishFrame.GAME_WIDTH - width) x = FishFrame.GAME_WIDTH - width;
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if(y > FishFrame.GAME_HEIGHT - height) y = FishFrame.GAME_HEIGHT - height;
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}
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/**
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* 通过两条小鱼的碰撞检测判断是否吃掉小鱼
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* @param ef
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* @return
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*/
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public boolean eatFish(EnemyFish ef) {
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if(this.live && ef.live && this.getRectangle().intersects(ef.getRectangle())
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&& this.width > ef.width) {
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ef.live = false;
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int radius = r.nextInt(3) + 5;
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this.width += radius;
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this.height += radius;
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this.scores += r.nextInt(15);
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return true;
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}
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return false;
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}
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/**
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* 吃掉多条小鱼
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* @param list
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* @return
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*/
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public boolean eatFishs(List<EnemyFish> list) {
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for(EnemyFish e : list) {
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if(this.eatFish(e)) {
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return true;
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}
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}
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return false;
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}
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/**
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* 玩家的小鱼可以被吃掉
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* @param list
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* @return
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*/
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public boolean beEaten(List<EnemyFish> list) {
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for(EnemyFish e : list) {
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if(live && e.live && this.getRectangle().intersects(e.getRectangle())
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&& this.width <= e.width){
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this.live = false;
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return true;
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}
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}
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return false;
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}
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}
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