DOJA开发贪吃蛇的代码 - 编程入门网
作者 佚名技术
来源 NET编程
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发布时间 2012-06-21
| ; } if (snake != null) { snake.paint(g); } g.setColor(Graphics.getColorOfName(Graphics.SILVER)); g.setFont(score_font); g.drawString("LEVEL", 203, 40); g.drawString(String.valueOf(listener.getLevel()), 220, 70); g.drawString("SCORE", 202, 100); g.drawString(format(listener.getScore()), 208, 130); if (game_over) { g.setColor(0x00ffff); g.setFont(game_over_font); g.drawString("GAME", 70, 110); g.drawString("OVER", 70, 140); } g.unlock(true); } /** Process key events. */ public void processEvent(int type, int param) { if (type == Display.KEY_PRESSED_EVENT) { listener.keyPressed(param); } } } //蛇对象类 package greedSnake; import java.util.Random; import java.util.Vector; import java.util.Enumeration; import com.nttdocomo.ui.Graphics; public class Snake { public final static int UP = 1; public final static int DOWN = 3; public final static int LEFT = 2; public final static int RIGHT = 4; private int direction; // private Grid grid; private Node node; private Vector snakeData = null; private static Random rnd= new Random(); /** Private internal constructor. */ public Snake() { snakeData = new Vector(); Node node = new Node(4,0); snakeData.addElement(node); node = new Node(3,0); snakeData.addElement(node); node = new Node(2,0); snakeData.addElement(node); node = new Node(1,0); snakeData.addElement(node); node = new Node(0,0); snakeData.addElement(node); setDirection(Snake.DOWN); } public int getDirection() { return direction; } public void setDirection(int dir) { if(direction%2!=dir%2){ direction = dir; } } public Node getHead() { return (Node) snakeData.elementAt(0); } public Node getNextHead() { Node node = (Node) snakeData.elementAt(0); node = new Node(node.x,node.y); switch(this.direction) { case Snake.UP: node.y--; break; case Snake.DOWN: node.y++; break; case Snake.LEFT: node.x--; break; case Snake.RIGHT: node.x++; break; } return node; } public void move() { Node node= (Node)snakeData.elementAt(0); Node newNode = this.getNextHead(); for (int i =snakeData.size()-1 ; i>0; i--) { Node node1 = (Node) snakeData.elementAt(i); Node node2 = (Node) snakeData.elementAt(i-1); node1.x = node2.x; node1.y = node2.y; } node.x = newNode.x; node.y = newNode.y; } public void addNode() { Node node = (Node) snakeData.lastElement(); Node newNode = new Node(node.x,node.y); snakeData.addElement(newNode); } public void paint(Graphics g) { int SnakeColor= 0xff0000; int gn = GreedSnake.NODE_SIZE; Enumeration e = snakeData.elements() ; while(e.hasMoreElements()){ Node node = (Node)e.nextElement() ; g.setColor(SnakeColor); g.fillRect(node.x * gn, node.y * gn, gn, gn); } } public void eatFood(Food food) { this.addNode(); } public boolean ptInSnake(Node node) { for (int i = 1; i<snakeData.size() |
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