libgdx 动画

public class MyGdxGame implements ApplicationListener {Animation animation;Texture texture;TextureRegion[] walkFrames;SpriteBatch batch;TextureRegion textureRegion;float statetime;@Overridepublic void create() {//获取一张分割成田字型的，由四个小图组成的图片texture = new Texture(Gdx.files.internal("data/animation_sheet.png"));//动画就是这四张小图连续动作而成的，把图片分割分别放到TextureRegion数组中TextureRegion[][] temp = TextureRegion.split(texture,//Texture texture                                     texture.getWidth()/2, //int tileWidth                                     texture.getHeight()/2);//int tileHeight//切完之后把2维数组的textureRegion顺序放到1维中walkFrames = new TextureRegion[2 * 2];int index = 0;for (int i = 0; i < 2; i++) {for (int j = 0; j < 2; j++) {walkFrames[index++] = temp[i][j];}}//设置动画祯的频率animation = new Animation(0.02f, walkFrames);batch = new SpriteBatch();statetime = 0;}@Overridepublic void dispose() {}@Overridepublic void render() {Gdx.gl.glClear(GL10.GL_COLOR_BUFFER_BIT);/*the time span between the current frame and the last frame in seconds. Might be smoothed over n frames.*/ statetime+=Gdx.graphics.getDeltaTime();textureRegion = animation.getKeyFrame(statetime,true);//当前时间内的图片，循环batch.begin();batch.draw(textureRegion, 300, 300);//动画坐标为（300，300）batch.end();}@Overridepublic void resize(int width, int height) {}@Overridepublic void pause() {}@Overridepublic void resume() {}}