1.Yard
[Java] 纯文本查看 复制代码 import java.awt.Color;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
public class Yard extends Frame {
public static final int ROWS = 30;
public static final int COLS = 30;
public static final int BLOCK_SIZE = 15;
private boolean flag = true; //游戏是否结束
Snake s = new Snake(this);
Egg e = new Egg();
Image offScreenImage = null;//双缓冲 取消闪烁 //3
public void launch() {
this.setLocation(200,200);
this.setSize(COLS*BLOCK_SIZE,ROWS*BLOCK_SIZE);
this.addWindowListener(new WindowAdapter() {
@Override
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
this.setVisible(true);
this.addKeyListener(new KeyMonitor());/*222*/
new Thread(new PaintThread()).start();//线程
}
public static void main(String[] args) {
new Yard().launch();
}
public void stop() { //
flag = false;
}
@Override
public void paint(Graphics g) {
Color c = g.getColor();
g.setColor(Color.GRAY);
g.fillRect(0, 0, COLS*BLOCK_SIZE, ROWS*BLOCK_SIZE);
g.setColor(Color.DARK_GRAY);
for(int i=1;i<ROWS;i++) {
g.drawLine(0, BLOCK_SIZE*i, COLS*BLOCK_SIZE, BLOCK_SIZE*i);
}
for(int i=1;i<COLS;i++) {
g.drawLine(BLOCK_SIZE*i, 0, BLOCK_SIZE*i, BLOCK_SIZE*ROWS);
}
g.setColor(c);
s.eat(e);
e.draw(g);
s.draw(g);
}
@Override
public void update(Graphics g) {
if(offScreenImage == null) {
offScreenImage = this.createImage(COLS*BLOCK_SIZE, ROWS*BLOCK_SIZE);
}
Graphics gOff = offScreenImage.getGraphics();
paint(gOff);
g.drawImage(offScreenImage, 0, 0, null);
}
private class PaintThread implements Runnable {
public void run() {
while(flag) {
repaint();
try {
Thread.sleep(200);
} catch(InterruptedException e) {
e.printStackTrace();
}
}
}
}
private class KeyMonitor extends KeyAdapter {
@Override
public void keyPressed(KeyEvent e) {
s.KeyPressed(e);
}
}
}
2.Snake
[Java] 纯文本查看 复制代码 import java.awt.Color;
import java.awt.Graphics;
import java.awt.Rectangle;
import java.awt.event.KeyEvent;
public class Snake {
private Node head = null;
private Node tail = null;
private int size = 0;
private Node n = new Node(20,5,Dir.U);
private Yard y;
public Snake(Yard y) {
head = n;
tail = n;
size = 1;
this.y = y;
}
public void addToHead() {
Node node = null;
switch (head.dir) {
case L:
node = new Node(head.row,head.col-1,head.dir);
break;
case U:
node = new Node(head.row-1,head.col,head.dir);
break;
case R:
node = new Node(head.row,head.col+1,head.dir);
break;
case D:
node = new Node(head.row+1,head.col,head.dir);
break;
}
node.next = head;
head.prev = node;
head = node;
size ++;
}
public void addToTail() {
Node node = null;
switch (tail.dir) {
case L:
node = new Node(tail.row,tail.col+1,tail.dir);
break;
case U:
node = new Node(tail.row+1,tail.col,tail.dir);
break;
case R:
node = new Node(tail.row,tail.col-1,tail.dir);
break;
case D:
node = new Node(tail.row-1,tail.col,tail.dir);
}
tail.next = node;
node.prev = tail;
tail = node;
size ++;
}
public void draw(Graphics g) {
if(size <= 0) return;
move();
for(Node n = head;n != null; n = n.next) {
n.draw(g);
}
}
private void move() {
addToHead();
deleteToTail();
checkDead();
}
private void checkDead() {
if(head.row<0||head.col<2||head.row>Yard.ROWS||head.col>Yard.COLS) {
y.stop();
}
for(Node n = head.next; n != null; n = n.next) {
if(head.row == n.row && head.col == n.col) {
y.stop();
}
}
}
private void deleteToTail() {
if(size == 0) return;
tail = tail.prev;
tail.next = null;
}
private Rectangle getRect() {
return new Rectangle(Yard.BLOCK_SIZE*head.col,Yard.BLOCK_SIZE*head.row,head.w,head.h);
}
public void eat(Egg e) {
if(this.getRect().intersects(e.getRect())) {
e.reAppear();
this.addToHead();
}
}
public class Node {
int row,col;
int w = Yard.BLOCK_SIZE;
int h = Yard.BLOCK_SIZE;
Dir dir = Dir.L;
Node next = null;
Node prev = null;
Node(int row, int col, Dir dir) {
this.row = row;
this.col = col;
this.dir = dir;
}
void draw(Graphics g) {
Color c = g.getColor();
g.setColor(Color.BLACK);
g.fillRect(Yard.BLOCK_SIZE*col, Yard.BLOCK_SIZE*row, w, h);
g.setColor(c);
}
}
public void KeyPressed(KeyEvent e) {
int key = e.getKeyCode();
switch (key) {
case KeyEvent.VK_LEFT:
if(head.dir != Dir.R)
head.dir = Dir.L;
break;
case KeyEvent.VK_UP:
if(head.dir != Dir.D)
head.dir = Dir.U;
break;
case KeyEvent.VK_RIGHT:
if(head.dir != Dir.L)
head.dir = Dir.R;
break;
case KeyEvent.VK_DOWN:
if(head.dir != Dir.U)
head.dir = Dir.D;
break;
}
}
}
3.egg[Java] 纯文本查看 复制代码 import java.awt.Color;
import java.awt.Graphics;
import java.awt.Rectangle;
import java.util.Random;
public class Egg {
int row;
int col;
int w = Yard.BLOCK_SIZE;
int h = Yard.BLOCK_SIZE;
private static Random r = new Random();
private Color color = Color.GREEN;
public Rectangle getRect() {
return new Rectangle(Yard.BLOCK_SIZE*col,Yard.BLOCK_SIZE*row,w,h);
}
public Egg() {
this(r.nextInt(Yard.ROWS-2)+2,r.nextInt(Yard.COLS));
}
public void reAppear() {
this.row = r.nextInt(Yard.ROWS-2)+2;
this.col = r.nextInt(Yard.COLS);
}
public int getRow() {
return row;
}
public void setRow(int row) {
this.row = row;
}
public int getCol() {
return col;
}
public void setCol(int col) {
this.col = col;
}
public Egg(int row, int col) {
this.row = row;
this.col = col;
}
public void draw(Graphics g) {
Color c = g.getColor();
g.setColor(color);
g.fillOval(Yard.BLOCK_SIZE*col, Yard.BLOCK_SIZE*row, w, h);
g.setColor(c);
if(color == Color.GREEN) color = Color.RED;
else color = Color.GREEN;
}
}
4.Dir[Java] 纯文本查看 复制代码
public enum Dir {
L,U,R,D;
}
前几天的代码都是不完整的，今天的是我修正好的，仅供大家参考。
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发表于 2016-11-16 19:01
|楼主
发表于 2016-12-16 23:13
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