本文实例讲述了java swing框架实现的贪吃蛇游戏。分享给大家供大家参考，具体如下：
java是门高级语言，做游戏时适合做后台，但是用它也可以做游戏。闲来无事做的时候可以用来写点小游戏，练习练习预防早衰哈哈！
闲话不说了
下面是以前练习的作品，不怕大家笑话，那个时候用了一个礼拜才做出来的。
源码如下供大家学习。
使用的是java的 swing jframe jpanel jbutton 当然你也可以使用awt
先来看看运行效果：
具体代码：
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package tcs;
/**
*
*
*
* @author tx
*/
import java.awt.color;
import java.awt.container;
import java.awt.font;
import java.awt.graphics;
import java.awt.event.keyevent;
import java.awt.event.keylistener;
import java.awt.event.mouseadapter;
import java.awt.event.mouseevent;
import java.awt.event.mouselistener;
import java.util.arraylist;
import java.util.arrays;
import java.util.collection;
import java.util.random;
import java.util.timer;
import java.util.timertask;
import javax.swing.jbutton;
import javax.swing.jframe;
import javax.swing.jpanel;
public class snack extends jpanel implements keylistener {
public jbutton bt = new jbutton("重新开始");
public arraylist<treasure> bw = new arraylist<treasure>();
public body[] b = new body[5];
public string state = "";
public arraylist<point> p = new arraylist<point>();
public static int score;
public snack() {
this.addkeylistener(this);
shengc();
}
public void shengc() {
for (int i = 0; i < b.length; i++) {
b[i] = new body();
b[i].x = 10 - i * 10;
b[i].y = 150;
}
}
public int x = 0, y = 0;
public void paint(graphics g) {
super.paint(g);
g.setcolor(new color(165,41,10));//rgb定义颜色的方法
g.setfont(new font(font.sans_serif, font.bold, 20));
for (int i = 0; i < b.length; i++) {
body z1 = b[i];
g.drawstring("o", b[i].x, b[i].y);
}
g.setcolor(color.blue);
g.setfont(new font(font.sans_serif, font.bold, 20));
g.drawstring("score:" + score, 30, 30);
paintjs(g);
paintbw(g);
}
public void paintjs(graphics g) {
g.setcolor(color.black);
if (state.length() > 1) {
g.drawstring(state, 140, 200);
}
}
public void paintbw(graphics g) {
g.setfont(new font(font.sans_serif, font.bold, 25));
g.setcolor(color.red);
for (int i = 0; i < bw.size(); i++) {
g.drawstring("o", bw.get(i).x, bw.get(i).y);
}
}
public boolean yj() {
if ((b[0].x < 400 && b[0].x > 0) && (b[0].y < 400 && b[0].y > 0)) {
return false;
} else {
state = "game over";
return true;
}
}
public void stmove() {
if (pzjc() == false && (yj() == false)) {
b[0].speed = 8;//此处可提升速度增加难度
b[0].move();
p.add(new point(b[0].x, b[0].y, b[0].fx));
if (p.size() > b.length) {
p.remove(p.get(0));
// system.out.println(p.size());
}
}
}
public int jl(body a, treasure b) {
int jl = 0;
jl = (int) math.sqrt((a.x - b.x) * (a.x - b.x) + (a.y - b.y)
* (a.y - b.y));
return jl;
}// 暂时无用
public void ssmove() {
if (p.size() >= b.length) {
for (int i = 0; i < b.length - 1; i++) {
b[i + 1].fx = p.get(i).fx;
b[i + 1].x = p.get(i).x;
b[i + 1].y = p.get(i).y;
}
}
}
random r = new random();
public void bzbw() {
if (bw.size() < 1) {
treasure s = new treasure();
s.x = r.nextint(300) + 50;
s.y = r.nextint(300) + 50;
bw.add(s);
}
}
public void bwxs() {
timer t = new timer();
t.schedule(new timertask() {
public void run() {
}
}, 0, 8000);
}
public boolean pzjc() {
for (int i = 1; i < p.size(); i++) {
if (p.get(0).equals(p.get(i))) {
state = "game over";
return true;
}
}
return false;
}
public void crush() {
if (bw.size() > 0) {
if (jl(b[0], bw.get(0)) < 8) {
bw.remove(0);
b = arrays.copyof(b, b.length + 1);
b[b.length - 1] = new body();
score += 10;
}
}
}
public void gameover() {
mouselistener k = new mouseadapter() {
public void mouseclicked(mouseevent e) {
super.mouseclicked(e);
state = "";
b = arrays.copyof(b, 5);
p.clear();
shengc();
score = 0;
bt.setvisible(false);
}
};
if (state.length() > 1) {
this.add(bt);
bt.setvisible(true);
bt.setbounds(150, 150, 100, 30);
bt.addmouselistener(k);
}
if(bt.isvisible()==false){this.remove(bt);}
this.requestfocus();
}
public void zmaction() {
timer timer = new timer();
timer.schedule(new timertask() {
public void run() {
bzbw();// 生成宝物
stmove();// 蛇头运动
ssmove();// 蛇身运动
crush();// 碰撞检测
gameover();
repaint();
}
}, 10, 83);
}
public static void main(string[] args) {
jframe jf = new jframe("快网idc - 贪吃蛇游戏测试");
jf.setbounds(0, 0, 400, 400);
jf.setvisible(true);
jf.setlayout(null);
container c = new container();
c = jf.getcontentpane();
c.setbackground(color.white);
jf.setdefaultcloseoperation(jframe.exit_on_close);
snack s = new snack();
s.setvisible(true);
s.setbounds(0, 0, 600, 600);
s.setlocation(0, 0);
s.setbackground(color.orange);
jf.add(s);
s.zmaction();
s.requestfocus();
}
public void keytyped(keyevent e) {
}
public void keypressed(keyevent e) {
int k = e.getkeycode();
switch (k) {
case keyevent.vk_up:
if (b[0].fx != "sz" && b[0].fx != "xz") {
b[0].fx = "sz";
}
break;
case keyevent.vk_down:
if (b[0].fx != "sz" && b[0].fx != "xz") {
b[0].fx = "xz";
}
break;
case keyevent.vk_left:
if (b[0].fx != "zz" && b[0].fx != "yz") {
b[0].fx = "zz";
}
break;
case keyevent.vk_right:
if (b[0].fx != "zz" && b[0].fx != "yz") {
b[0].fx = "yz";
}
break;
}
repaint();
}
public void keyreleased(keyevent e) {
}
}
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body类
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package tcs;
public class body {
public int x=0;
public int y=0;
public int speed;
private string str;
public string fx;
public body(){
fx="yz";
}
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 string getstr() {
return str;
}
public void setstr(string str) {
this.str = str;
}
public void sz(){
this.y+=-speed;
}
public void xz(){
this.y+=speed;
}
public void zz(){
this.x+=-speed;
}
public void yz(){
this.x+=speed;
}
public void move(){
if(fx=="xz"){
xz();
}
if(fx=="sz"){
sz();
}
if(fx=="zz"){
zz();
}
if(fx=="yz"){
yz();
}
}
}
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宝物类
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package tcs;
public class treasure {
public int x;
public int y;
public string str;
}
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point类
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package tcs;
public class point {
public int x;
public int y;
public string fx;
public point(int x,int y,string fx){
this.x=x;
this.y=y;
this.fx=fx;
}
public boolean equals(object o){
if(o instanceof point){
point p=(point)o;
if(p.x==this.x&&p.y==this.y){
return true;
}
}
if(o==this){return true;}
if(o==null){return false;}
return false;}
}
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希望本文所述对大家java程序设计有所帮助。
原文链接：http://blog.csdn.net/tx101q/article/details/54811079
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