sprite_tiled_canvas.java

《精通JAVA手机游戏与应用程序设计》随书光盘

package tiledLayer;

import javax.microedition.lcdui.*;
import javax.microedition.lcdui.game.*;

public class Sprite_Tiled_Canvas extends GameCanvas implements Runnable {

	private int drawX = 0;

	private int drawY = 0;

	private int i, j;

	private Sprite sprite;

	private Image titledImage, spriteImage;

	private Graphics g;

	private TiledLayer background;

	//设置精灵往右行走的数组
	private int down_seq[] = { 9, 10, 11 };

	private byte[][] titledMap = { { 1, 2, 3 }, { 4, 5, 6 }, { 7, 8, 9 },
			{ 7, 7, 7 }, { 7, 7, 7 }, { 7, 7, 7 } };

	protected Sprite_Tiled_Canvas() {
		super(true);

		drawX = this.getWidth() / 2 - 16;
		drawY = this.getHeight() / 2;

		try {
			spriteImage = Image.createImage("/man.png");
			titledImage = Image.createImage("/title1.png");

		} catch (Exception e) {

		}
		//精灵单元宽32高48
		sprite = new Sprite(spriteImage, 32, 48);
		sprite.setFrameSequence(down_seq);

		g = this.getGraphics();

		background = new TiledLayer(3, 6, titledImage, 64, 32);

		for (i = 0; i < 6; i++)
			for (j = 0; j < 3; j++) {
				background.setCell(j, i, titledMap[i][j]);
			}

		Thread thread = new Thread(this);
		thread.start();

	}

	public void run() {
		while (true) {
			try {
				Thread.sleep(200);
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
			//清屏
			g.setColor(255, 255, 255);
			g.fillRect(0, 0, getWidth(), getHeight());
			//移动到下一帧
			sprite.nextFrame();
			//在屏幕正中间偏下走动
			sprite.setPosition(drawX, drawY);

			//画背景
			background.paint(g);
			//画精灵
			sprite.paint(g);
			flushGraphics();
		}
	}
	
}