Kód:
package snake;
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import java.awt.Graphics;
import java.awt.Point;
import java.awt.Event;
public class smain extends Applet implements Runnable{
// 15 - riadkov, 25 - stlpcov
boolean game = false, ate=false, game2=false, playing=false;
int size, hsize=0;
Point[] places = new Point[374];
int dir = 0; // 0 - vpravo
// 1 - vlavo
// 2 - hore
// 3 - dole
Point apple = new Point(12,7);
Thread runner;
public void init() {
size=3;
for(int i=0; i<374; i++)
places[i] = new Point(0,0);
places[0].move(3,15);
places[1].move(2,15);
places[2].move(1,15);
}
public void start() {
if(runner==null) {
runner = new Thread(this);
runner.start();
}
}
public void stop() {
if(runner!=null) {
[color=red]runner.stop();[/color]
runner = null;
}
}
public void run() {
while(true) {
for(int i=5; i<size; i++)
if(places[0].x == places[i].x && places[0].y == places[i].y)
game2 = true;
if(( (game2) || (dir==0 && places[0].x==25) || (dir==1 && places[0].x==1) || (dir==2 && places[0].y==1) || (dir==3 && places[0].y==15))) {
game = false;
game2 = false;
if(size>hsize) hsize=size;
size=3;
places[2].move(1,15);
places[1].move(2,15);
places[0].move(3,15);
apple.move(12,7);
}
repaint();
try{ Thread.sleep(90); }
catch(InterruptedException e) { }
}
}
public void update(Graphics g) {
g.drawRect(apple.x*20-20,apple.y*20-20,19,19);
if(game) {
if(places[0].x==apple.x && places[0].y==apple.y) {
ate=true;
size++;
[color=red]g.clearRect(0,0,size().width,12);[/color]
}
g.clearRect(places[size-1].x*20-20,places[size-1].y*20-20,20,20);
if(places[size-1].x == apple.x && places[size-1].y == apple.y)
g.drawRect(apple.x*20-20,apple.y*20-20,19,19);
if(playing) {
for(int i=size; i>0; i--)
places[i].move(places[i-1].x, places[i-1].y);
switch(dir) {
case 0: places[0].x = places[0].x+1; break;
case 1: places[0].x = places[0].x-1; break;
case 2: places[0].y = places[0].y-1; break;
case 3: places[0].y = places[0].y+1; break;
}}
if(ate) {
ate = false;
g.clearRect(apple.x*20-20,apple.y*20-20,21,21);
apple.x=(int)(Math.random()*24+1);
apple.y=(int)(Math.random()*14+1);
g.drawRect(apple.x*20-20,apple.y*20-20,19,19);
}
for(int i=0; i<size; i++)
g.fillOval(places[i].x*20-20,places[i].y*20-20,20,20);
} else {
[color=red]g.clearRect(0,0,size().width,size().height);[/color]
for(int i=0; i<size; i++)
g.fillOval(places[i].x*20-20,places[i].y*20-20,20,20);
g.drawRect(apple.x*20-20,apple.y*20-20,19,19);
}
g.drawString("Skóre: "+size+" Najvyššie skóre: "+hsize,10,10);
}
[color=red] public boolean keyDown(Event evt, int key) {[/color]
if(key == Event.RIGHT && places[1].x!=places[0].x+1) { dir=0; game=true; playing=true; return true; } else if(key == Event.LEFT && places[1].x!=places[0].x-1) { dir=1; game=true; playing=true; return true; } else if(key == Event.UP && places[1].y!=places[0].y-1) { dir=2; game=true; playing=true; return true; } else if(key == Event.DOWN && places[1].y!=places[0].y+1) { dir=3; game=true; playing=true; return true; } else if(key == 112 || key == 1508) {
playing=false;
return true;
}
return false;
}
}
