实例7---android 版Sprite代码
? 因为android 没有提供sprite，对于使用j2me的开发者有些不习惯，我接下去的实例也会用的sprite,所以我就写个了android版的sprite,只提供了一些我平时常用到的方法，等以后有用到其他的，就增加其他的，大家也可以自己增加。算法可能不是很优化，大家可以自行修改。下面给出源码:
AndroidSprite.java
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package com.wjh.my_sprite;import android.graphics.Bitmap;import android.graphics.Canvas;import android.graphics.Paint;import android.util.Log;public class AndroidSprite {private int length = 0;// 帧序列长度private int currentPosition = 0;//当前帧序列下标private int[][] framesXY = null;//各个帧序列在图片的坐标private int frameWidth = 0;//帧的宽度private int frameHeight = 0;//帧的高度private Bitmap bigFrames = null;//大的图片private int cols = 0;private int rows = 0;private int PositionX = 0;//精灵的X坐标private int PositionY = 0;//精灵的Y坐标private int[] frameSequence = null;//加入的帧序列private int sequencePosition = 0;//加入的帧序列的显示下标public AndroidSprite(Bitmap image,int frameWidth,int frameHeight){//初始化this.bigFrames = image;this.frameWidth = frameWidth;this.frameHeight = frameHeight;framesXY = initSprite(image, frameWidth, frameHeight);this.length = framesXY.length;}//初始化精灵private int[][] initSprite(Bitmap bitmap,int frameWidth,int frameHeight){int imageWidth = bitmap.getWidth();int imageHeight = bitmap.getHeight();this.cols = Math.round(imageWidth/frameWidth);//列数this.rows = Math.round(imageHeight/frameHeight);//行数int[][] tempXYs = new int[cols*rows][2];for(int i=0,k=0;i<rows;i++){for(int j=0;j<cols;j++,k++){tempXYs[k][0] = j*frameWidth;tempXYs[k][1] = i*frameHeight;}}return tempXYs;}//获得当前帧的下标public int getFrame(){return this.currentPosition;}//获得帧序列的长度public int getFrameSequenLength(){return framesXY.length;}//获得当前帧序列的下一个帧public void nextFrame(){//如果自定义帧序列为空，则使用默认的if(frameSequence==null){currentPosition++;if(currentPosition>length-1){currentPosition = 0;}}else{sequencePosition++;if(sequencePosition>frameSequence.length-1){sequencePosition = 0;}currentPosition = frameSequence[sequencePosition];}}//获得当前帧序列的上一个帧public void prevFrame(){if(this.frameSequence==null){currentPosition--;if(currentPosition<0){currentPosition = length-1;}}else{sequencePosition--;if(sequencePosition<0){sequencePosition = frameSequence.length-1;}currentPosition = frameSequence[sequencePosition];}}//设置当前帧public void setFrame(int sequenceIndex){if(sequenceIndex>=0&&sequenceIndex<length){this.currentPosition = sequenceIndex;}}//设置位置public void setPosition(int positionX,int positionY){this.PositionX = positionX;this.PositionY = positionY;}//设置帧序列public void setFrameSequence(int[] sequence){if(this.frameSequence!=null){currentPosition = sequence[0];sequencePosition = 0;}else{this.frameSequence = sequence;}}//移动public void move(int x,int y){PositionX += x;PositionY += y;}public void paint(Canvas canvas,Paint paint){Log.d("ddd", ""+this.PositionX);Log.d("ddd", ""+this.PositionY);Bitmap bitmap = Bitmap.createBitmap(this.bigFrames, this.framesXY[currentPosition][0],this.framesXY[currentPosition][1],this.frameWidth,this.frameHeight);canvas.drawBitmap(bitmap, PositionX, PositionY, paint);}}??
?下面为我写的一个运用这个AndroidSprite的例子，下面为源代码和实例图：
图片插入的时候没显示出来。。所以就不弄了。
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?源码:MySprite.rar