package com.slinw.TiledLayout;
import java.io.IOException;
import javax.microedition.lcdui.Graphics;
import javax.microedition.lcdui.Image;
import javax.microedition.lcdui.game.TiledLayer;
import com.slinw.gamecanvas.RootGameCanvas;
/**
*
* @author 章伟
* int ANI = tiledLayer.createAnimatedTile(STR);
* 创建一个动态贴图,动态贴图必须与一个静态贴图关联
* mBackground.setAnimatedTile(ANI,SHN);
* 切换动画效果
*
* 拿下面的工程来说，是怎样实现星星闪烁的动画的
* 1. 首先定义一个动画贴片 ANI，通过调用createAnimatedTile方法使这个动画贴片与星星关联
* 2. 然后通过调用setAnimatedTile(ANI,SHN)是星星和闪烁交替呈现而实现动画
*/
public class AnimTiledLayout extends RootGameCanvas{
private TiledLayer mBackground;//地图
private int aniCounter = 0;
private int MON = 1;//月亮moon
private int SHN = 2;//闪烁shine
private int STR = 3;//星星star
private int AIR = 4;//夜空air
private int ANI = -1;//动画贴片animated
public AnimTiledLayout(){
initData();
}
private void initData(){
try{
mBackground = createBackground();//创建背景
}catch(IOException e){
System.out.println("create error");
}
mBackground.setPosition(50,50);
}
private TiledLayer createBackground()throws IOException {
Image image = Image.createImage("/star.png");//创建背景图片
TiledLayer tiledLayer = new TiledLayer(10, 10, image, 32, 32);//注意：背景的参数的设置！
int columns = 10;
ANI = tiledLayer.createAnimatedTile(STR);
int[] map = {//地图数组
AIR,AIR,AIR,AIR,AIR, AIR,AIR,AIR,AIR,AIR,
AIR,ANI,AIR,AIR,AIR, AIR,AIR,AIR,STR,AIR,
AIR,AIR,STR,AIR,AIR, ANI,AIR,AIR,STR,AIR,
AIR,AIR,AIR,MON,STR, AIR,AIR,STR,AIR,AIR,
AIR,AIR,STR,STR,AIR, AIR,AIR,AIR,AIR,AIR,
AIR,AIR,STR,AIR,ANI, AIR,AIR,AIR,ANI,AIR,
AIR,AIR,AIR,AIR,AIR, STR,AIR,AIR,AIR,AIR,
AIR,AIR,STR,AIR,AIR, AIR,AIR,AIR,AIR,AIR,
AIR,STR,AIR,AIR,AIR, STR,AIR,AIR,AIR,AIR,
AIR,AIR,AIR,AIR,AIR, AIR,AIR,AIR,AIR,AIR,
};//显示地图
for (int i = 0; i < map.length; i++) {
int column = i % columns;
int row = (i - column) / columns;
tiledLayer.setCell(column, row, map[i]);//通过一个循环来设置tiledLayer
}
return tiledLayer;//返回
}
public void drawScreen(Graphics g) {
// TODO Auto-generated method stub
aniCounter++;
if(aniCounter%6 == 0){
mBackground.setAnimatedTile(ANI,SHN);
}
else{
mBackground.setAnimatedTile(ANI,STR);
}
mBackground.paint(g);
flushGraphics();
}
public void keyLeftPressedEvent() {
// TODO Auto-generated method stub
}
public void keyRightPressedEvent() {
// TODO Auto-generated method stub
}
public void keyUpPressedEvent() {
// TODO Auto-generated method stub
}
public void keyDownPressedEvent() {
// TODO Auto-generated method stub
}
}
