Java source code sharing

This article will share with you the source code of a java greedy snake. it is a fast and undead version of a greedy snake. For more information about coders, see.

Import java. awt. color; import java. awt. graphics; import java. awt. graphics2D; import java. awt. rectangle; import java. awt. event. keyAdapter; import java. awt. event. keyEvent; import java. awt. image. bufferedImage; import java. util. arrayList; import java. util. list; import javax. swing. JFrame;/*** @ url http://download.csdn.net/detail/leasystu/4308246 ** @ Author Easy */public class InterFace extends JFrame {public static final int WIDTH = 800, HEIGHT = 600, SLEEPTIME = 20, L = 1, R = 2, U = 3, D = 4; BufferedImage offersetImage = new BufferedImage (WIDTH, HEIGHT, BufferedImage. TYPE_3BYTE_BGR); Rectangle rect = new Rectangle (20, 40, 15*50, 15*35); Snake snake; Node node; public InterFace () {snake = new Snake (this); createNode (); this. setBounds (100,100, WIDTH, HEIGHT); this. addKeyListener (new KeyAdapter () {public void keyPressed (KeyEvent arg0) {System. out. println (arg0.getKeyCode (); switch (arg0.getKeyCode () {case KeyEvent. VK_LEFT: snake. dir = L; break; case KeyEvent. VK_RIGHT: snake. dir = R; break; case KeyEvent. VK_UP: snake. dir = U; break; case KeyEvent. VK_DOWN: snake. dir = D ;}}); this. setTitle ("snake 0.1 By: Easy"); this. setdefaclocloseoperation (EXIT_ON_CLOSE); this. setVisible (true); new Thread (new ThreadUpadte ()). start ();} public void paint (Graphics g) {Graphics2D g2d = (Graphics2D) offersetImage. getGraphics (); g2d. setColor (Color. white); g2d. fillRect (0, 0, WIDTH, HEIGHT); g2d. setColor (Color. black); g2d. drawRect (rect. x, rect. y, rect. width, rect. height); if (snake. hit (node) {createNode ();} snake. draw (g2d); node. draw (g2d); g. drawImage (offersetImage, 0, 0, null);} class ThreadUpadte implements Runnable {public void run () {while (true) {try {Thread. sleep (SLEEPTIME); repaint ();} catch (InterruptedException e) {e. printStackTrace () ;}}} public void createNode () {int x = (int) (Math. random () * 650) + 50, y = (int) (Math. random () * 500) + 50; Color color = Color. blue; node = new Node (x, y, color);} public static void main (String args []) {new InterFace () ;}} class Node {int x, y, width = 15, height = 15; Color color; public Node (int x, int y, Color color) {this (x, y); this. color = color;} public Node (int x, int y) {this. x = x; this. y = y; this. color = color. black;} public void draw (Graphics2D g2d) {g2d. setColor (color); g2d. drawRect (x, y, width, height);} public Rectangle getRect () {return new Rectangle (x, y, width, height);} class Snake {public List
  
   
Nodes = new ArrayList
   
    
(); InterFace interFace; int dir = InterFace. r; public Snake (InterFace interFace) {this. interFace = interFace; nodes. add (new Node (20 + 150, 40 + 150); addNode ();} public boolean hit (Node node) {for (int I = 0; I <nodes. size (); I ++) {if (nodes. get (I ). getRect (). intersects (node. getRect () {addNode (); return true ;}return false ;}public void draw (Graphics2D g2d) {for (int I = 0; I <nodes. size (); I ++) {nodes. get (I ). draw (g2d);} move ();} public void move () {nodes. remove (nodes. size ()-1); addNode ();} public synchronized void addNode () {Node nodeTempNode = nodes. get (0); switch (dir) {case InterFace. l: if (nodeTempNode. x <= 20) {nodeTempNode = new Node (20 + 15*50, nodeTempNode. y);} nodes. add (0, new Node (nodeTempNode. x-nodeTempNode. width, nodeTempNode. y); break; case InterFace. r: if (nodeTempNode. x> = 20 + 15*50-nodeTempNode. width) {nodeTempNode = new Node (20-nodeTempNode. width, nodeTempNode. y);} nodes. add (0, new Node (nodeTempNode. x + nodeTempNode. width, nodeTempNode. y); break; case InterFace. u: if (nodeTempNode. y <= 40) {nodeTempNode = new Node (nodeTempNode. x, 40 + 15*35);} nodes. add (0, new Node (nodeTempNode. x, nodeTempNode. y-nodeTempNode. height); break; case InterFace. d: if (nodeTempNode. y> = 40 + 15*35-nodeTempNode. height) {nodeTempNode = new Node (nodeTempNode. x, 40-nodeTempNode. height);} nodes. add (0, new Node (nodeTempNode. x, nodeTempNode. y + nodeTempNode. height); break ;}}}