Второй год

package com.mygdx.game;

import com.badlogic.gdx.ApplicationAdapter;

import com.badlogic.gdx.Gdx;

import com.badlogic.gdx.Input;

import com.badlogic.gdx.graphics.Texture;

import com.badlogic.gdx.graphics.g2d.SpriteBatch;

import com.badlogic.gdx.utils.ScreenUtils;

public class MyGdxGame extends ApplicationAdapter {

  SpriteBatch batch;

  Texture img;

  AnimatedSprite sprite;

  @Override

  public void create () {

     batch = new SpriteBatch();

     img = new Texture("mario-spritesheet.png");

     sprite = new AnimatedSprite(img, 4, 4, 0, 0);

  }

  @Override

  public void render () {

     ScreenUtils.clear(0, 0, 0, 1);

     sprite.stay();

     if (Gdx.input.isKeyPressed(Input.Keys.RIGHT)){

        sprite.move(2);

     } else {

        if (Gdx.input.isKeyPressed(Input.Keys.LEFT)){

           sprite.move(-2);

        } else {

           if (Gdx.input.isKeyPressed(Input.Keys.DOWN)){

              sprite.sit();

           }

        }

     }

     if (Gdx.input.isKeyPressed(Input.Keys.UP)){

        sprite.jump();

     }

     batch.begin();

     sprite.draw(batch);

     batch.end();

  }

  @Override

  public void dispose () {

     batch.dispose();

     img.dispose();

  }

}

package com.mygdx.game;

import com.badlogic.gdx.Gdx;

import com.badlogic.gdx.graphics.Texture;

import com.badlogic.gdx.graphics.g2d.SpriteBatch;

import com.badlogic.gdx.graphics.g2d.TextureRegion;

public class AnimatedSprite {

   public static float FRAME_DURATION = 0.1f;

   private TextureRegion [][] frames;

   private int currentFrameX = 0, currentFrameY = 0;

   private float currentFrameDuration = 0;

   private int posX = 0, posY = 0;

   private int orientation = 0;

   public AnimatedSprite (Texture texture, int countX, int countY, int posX, int posY){

       int width = texture.getWidth() / countX;

       int height = texture.getHeight() / countY;

       frames = new TextureRegion[countY * 2][countX];

       TextureRegion [][] regions = TextureRegion.split(texture, width, height);

       for(int i = 0; i < regions.length; i++){

           for(int j = 0; j < regions[i].length; j++){

               frames[i][j] = regions[i][j];

               frames[i + countY][j] = new TextureRegion(regions[i][j]);

               frames[i + countY][j].flip(true, false);

           }

       }

       this.posX = posX;

       this.posY = posY;

   }

   public void sit(){

       if (orientation >= 0){

           currentFrameY = 3;

       } else {

           currentFrameY = 7;

       }

   }

   public void jump(){

       if (orientation >= 0){

           currentFrameY = 2;

       } else {

           currentFrameY = 6;

       }

   }

   public void move(int dx){

       orientation = dx;

       if (dx > 0){

           currentFrameY = 1;

       } else {

           currentFrameY = 5;

       }

       posX += dx;

   }

   public void stay(){

       if (orientation >= 0){

           currentFrameY = 0;

       } else {

           currentFrameY = 4;

       }

   }

   public void draw(SpriteBatch batch){

       currentFrameDuration += Gdx.graphics.getDeltaTime();

       if (currentFrameDuration >= FRAME_DURATION){

           currentFrameX = (currentFrameX + 1) % frames[currentFrameY].length;

           currentFrameDuration -= FRAME_DURATION;

       }

       batch.draw(frames[currentFrameY][currentFrameX], posX, posY);

   }

}