snake.java

使用java语言实现的一个简单的游戏

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package SnakeGame;

import java.awt.Graphics;
import java.awt.Point;
import java.util.Iterator;
import java.util.LinkedList;

/**
 *
 * @author Administrator
 */
public class Snake extends   LinkedList  {
    public int snakeDirection = 2;
    public int snakeReDirection = 4;

    public Snake() {
        this.add(new Point(3, 3));
        this.add(new Point(4, 3));
        this.add(new Point(5, 3));
        this.add(new Point(6, 3));
        this.add(new Point(7, 3));
        this.add(new Point(8, 3));
        this.add(new Point(9, 3));
        this.add(new Point(10, 3));
    }

    public void changeDirection(Point temp, int direction) {
        this.snakeDirection = direction;
        switch (direction) {
            case 1://up
                this.snakeReDirection = 3;
                this.add(new Point(temp.x, temp.y - 1));
                break;
            case 2://right
                this.snakeReDirection = 4;
                this.add(new Point(temp.x + 1, temp.y));
                break;
            case 3://down
                this.snakeReDirection = 1;
                this.add(new Point(temp.x, temp.y + 1));
                break;
            case 4://left
                this.snakeReDirection = 2;
                this.add(new Point(temp.x - 1, temp.y));
                break;
        }
    }

    public boolean checkBeanIn(Point bean) {
        Point temp = (Point) this.getLast();
        if (temp.equals(bean)) {
            return true;
        }
        return false;
    }

    public void removeTail() {
        this.remove(0);
    }

    public void drawSnake(Graphics g, int singleWidthX, int singleHeightY, int cooPos) {
        g.setColor(ColorGroup.COLOR_SNAKE);
        Iterator snakeSq = this.iterator();
        while (snakeSq.hasNext()) {
            Point tempPoint = (Point) snakeSq.next();
            this.drawSnakePiece(g, tempPoint.x, tempPoint.y,
                    singleWidthX, singleHeightY, cooPos);
        }
    }

    public void drawSnakePiece(Graphics g, int temp1, int temp2,
            int singleWidthX,int singleHeightY, int cooPos )
{
g.fillRoundRect( singleWidthX * temp1 + 1,
                singleHeightY * temp2 + 1,
                singleWidthX - 2,
                singleHeightY - 2,
                cooPos,
                cooPos);
    }

    public void clearEndSnakePiece(Graphics g, int temp1, int temp2,
            int singleWidthX, int singleHeightY, int cooPos) {
        g.setColor(ColorGroup.COLOR_BACK);
        g.fillRoundRect(singleWidthX * temp1 + 1,
                singleHeightY * temp2 + 1,
                singleWidthX - 2,
                singleHeightY - 2,
                cooPos,
                cooPos);
    }
}