精灵动画 —— Android，精灵动画android,package net.

精灵动画 —— Android，精灵动画android,package net.

package net.obviam.walking.model;import android.graphics.Bitmap;import android.graphics.Canvas;import android.graphics.Paint;import android.graphics.Rect;public class ElaineAnimated {    private static final String TAG = ElaineAnimated.class.getSimpleName();    private Bitmap bitmap;      // the animation sequence    private Rect sourceRect;    // the rectangle to be drawn from the animation bitmap    private int frameNr;        // number of frames in animation    private int currentFrame;   // the current frame    private long frameTicker;   // the time of the last frame update    private int framePeriod;    // milliseconds between each frame (1000/fps)    private int spriteWidth;    // the width of the sprite to calculate the cut out rectangle    private int spriteHeight;   // the height of the sprite    private int x;              // the X coordinate of the object (top left of the image)    private int y;              // the Y coordinate of the object (top left of the image)    public ElaineAnimated(Bitmap bitmap, int x, int y, int width, int height, int fps, int frameCount) {        this.bitmap = bitmap;        this.x = x;        this.y = y;        currentFrame = 0;        frameNr = frameCount;        spriteWidth = bitmap.getWidth() / frameCount;        spriteHeight = bitmap.getHeight();        sourceRect = new Rect(0, 0, spriteWidth, spriteHeight);        framePeriod = 1000 / fps;        frameTicker = 0l;    }    public Bitmap getBitmap() {        return bitmap;    }    public void setBitmap(Bitmap bitmap) {        this.bitmap = bitmap;    }    public Rect getSourceRect() {        return sourceRect;    }    public void setSourceRect(Rect sourceRect) {        this.sourceRect = sourceRect;    }    public int getFrameNr() {        return frameNr;    }    public void setFrameNr(int frameNr) {        this.frameNr = frameNr;    }    public int getCurrentFrame() {        return currentFrame;    }    public void setCurrentFrame(int currentFrame) {        this.currentFrame = currentFrame;    }    public int getFramePeriod() {        return framePeriod;    }    public void setFramePeriod(int framePeriod) {        this.framePeriod = framePeriod;    }    public int getSpriteWidth() {        return spriteWidth;    }    public void setSpriteWidth(int spriteWidth) {        this.spriteWidth = spriteWidth;    }    public int getSpriteHeight() {        return spriteHeight;    }    public void setSpriteHeight(int spriteHeight) {        this.spriteHeight = spriteHeight;    }    public int getX() {        return x;    }    public void setX(int x) {        this.x = x;    }    public int getY() {        return y;    }    public void setY(int y) {        this.y = y;    }    // the update method for Elaine    public void update(long gameTime) {        if (gameTime > frameTicker + framePeriod) {            frameTicker = gameTime;            // increment the frame            currentFrame++;            if (currentFrame >= frameNr) {                currentFrame = 0;            }        }        // define the rectangle to cut out sprite        this.sourceRect.left = currentFrame * spriteWidth;        this.sourceRect.right = this.sourceRect.left + spriteWidth;    }    // the draw method which draws the corresponding frame    public void draw(Canvas canvas) {        // where to draw the sprite        Rect destRect = new Rect(getX(), getY(), getX() + spriteWidth, getY() + spriteHeight);        canvas.drawBitmap(bitmap, sourceRect, destRect, null);        canvas.drawBitmap(bitmap, 20, 150, null);        Paint paint = new Paint();        paint.setARGB(50, 0, 255, 0);        canvas.drawRect(20 + (currentFrame * destRect.width()), 150, 20 + (currentFrame * destRect.width()) + destRect.width(), 150 + destRect.height(),  paint);    }}//该片段来自于http://byrx.net