LibGDX sample

package ua.com.vendetta8247.libgdxtest;

import com.badlogic.gdx.ApplicationAdapter;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.Input;
import com.badlogic.gdx.InputProcessor;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.OrthographicCamera;
import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.g2d.BitmapFont;
import com.badlogic.gdx.graphics.g2d.Sprite;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.graphics.g2d.TextureAtlas;

import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.scenes.scene2d.Stage;
import com.badlogic.gdx.scenes.scene2d.ui.Skin;
import com.badlogic.gdx.scenes.scene2d.ui.Touchpad;
import com.badlogic.gdx.scenes.scene2d.utils.Drawable;
import com.badlogic.gdx.utils.Timer;
import com.badlogic.gdx.utils.viewport.ExtendViewport;
import com.badlogic.gdx.utils.viewport.FillViewport;
import com.badlogic.gdx.utils.viewport.ScreenViewport;
import com.badlogic.gdx.utils.viewport.StretchViewport;
import com.badlogic.gdx.utils.viewport.Viewport;

public class MyGdxGame extends ApplicationAdapter {
    SpriteBatch batch;
    Sprite characterSprite;
    float clearRed = 1, clearGreen = 1, clearBlue = 1;
    boolean movingRight = true;
    float velocityX = 3, velocityY = 20;
    private int currentFrame = 0;
    private TextureAtlas textureAtlas;
    private String currentAtlasKey = new String("0001");
    long startTime = 0;
    long animTime = 0;
    float multiplier = 0.3f;


    Texture background;
    Sprite bgSprite[];
    Sprite bgSprite2;


    private Stage stage;
    private Touchpad touchpad;
    private Touchpad.TouchpadStyle touchpadStyle;
    private Skin touchpadSkin;
    private Drawable touchBackground;
    private Drawable touchKnob;
    private BitmapFont font;
    private Viewport viewport;
    OrthographicCamera camera;

    @Override
    public void create() {
        Gdx.graphics.setVSync(true);
        camera = new OrthographicCamera(Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
        viewport = new ExtendViewport(1920, 1080, camera);
        viewport.apply();
        viewport.update(Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
        batch = new SpriteBatch();

        bgSprite2 = new Sprite(new Texture("bg2.png"));
        bgSprite2.setPosition(0, 0);
        bgSprite2.setSize(bgSprite2.getWidth() * 2, bgSprite2.getHeight() * 2);

        background = new Texture("bg.png");
        bgSprite = new Sprite[2];
        bgSprite[0] = new Sprite(background);
        bgSprite[1] = new Sprite(background);

        bgSprite[0].setSize(bgSprite[0].getWidth() * 2, bgSprite[0].getHeight() * 2);
        bgSprite[1].setSize(bgSprite[1].getWidth() * 2, bgSprite[1].getHeight() * 2);
        bgSprite[0].setPosition(0, -200);
        bgSprite[1].setPosition(bgSprite[0].getX() + bgSprite[0].getWidth(), -200);

        camera.position.set(camera.viewportWidth / 2, camera.viewportHeight / 2, 0);
        camera.position.set(0, 0, 0);
        camera.update();


        font = new BitmapFont();

        font.setColor(Color.RED);


        touchpadSkin = new Skin();
        touchpadSkin.add("touchBackground", new Texture("touchBackground.png"));
        touchpadSkin.add("touchKnob", new Texture("touchKnob.png"));
        touchpadStyle = new Touchpad.TouchpadStyle();
        touchBackground = touchpadSkin.getDrawable("touchBackground");
        touchKnob = touchpadSkin.getDrawable("touchKnob");
        touchpadStyle.background = touchBackground;
        touchpadStyle.knob = touchKnob;
        touchpad = new Touchpad(10, touchpadStyle);
        touchpad.setBounds(50, 50, 300, 300);


        stage = new Stage(viewport, batch);
        stage.addActor(touchpad);
        Gdx.input.setInputProcessor(stage);

        startTime = System.currentTimeMillis();

        textureAtlas = new TextureAtlas(Gdx.files.internal("ready.atlas"));
        TextureAtlas.AtlasRegion region = textureAtlas.findRegion("1");


        characterSprite = new Sprite(region);

        characterSprite.setPosition(100, 100);
        characterSprite.setSize(characterSprite.getWidth() * 3, characterSprite.getHeight() * 3);


        Timer.schedule(new Timer.Task() {
            @Override
            public void run() {

                if (System.currentTimeMillis() - startTime > 80) {
                    currentFrame++;
                    startTime = System.currentTimeMillis();
                }
                if (currentFrame > 7)
                    currentFrame = 0;

                currentAtlasKey = String.format("%d", currentFrame);
                characterSprite.setRegion(textureAtlas.findRegion(currentAtlasKey));

                //characterSprite.setPosition(characterSprite.getX() + velocity,characterSprite.getY());

                //TODO collision
//              if(characterSprite.getX() + characterSprite.getWidth()>=Gdx.graphics.getWidth())
//                  characterSprite.setPosition(Gdx.graphics.getWidth() - characterSprite.getWidth() + 2, characterSprite.getY());
            }
        }, 0f, 1 / 60f);
    }


    @Override
    public void render() {


        Gdx.gl.glClearColor(85.0f / 255.0f, 200 / 255.0f, 240.0f / 255, 1);
        Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);


        update();
        draw();
    }

    public void draw() {
        batch.setProjectionMatrix(camera.combined);

        batch.begin();
        bgSprite2.draw(batch);
        //touchpad.draw(batch,1.0f);
        bgSprite[0].draw(batch);
        bgSprite[1].draw(batch);
        characterSprite.draw(batch);


        batch.end();
    }

    public void update() {
        System.out.println(bgSprite[0].getX());
        camera.update();
        if (characterSprite.getX() > bgSprite[1].getX() + bgSprite[1].getWidth() + 100) {
            bgSprite[1].setPosition(bgSprite[0].getX() + bgSprite[0].getWidth(), -200);
        }

        if (characterSprite.getX() > bgSprite[0].getX() + bgSprite[0].getWidth() + 100) {
            bgSprite[0].setPosition(bgSprite[1].getX() + bgSprite[0].getWidth(), -200);
        }

        if (Gdx.input.isTouched()) {

            if (Gdx.input.getX() < Gdx.graphics.getWidth() / 2) {
                velocityX = 15;
            } else
                multiplier = 0.6f;
        } else {
            velocityX = 5;
            multiplier = 0.3f;
        }
        if (System.currentTimeMillis() - animTime >= 1000 / 60) {
            bgSprite2.translate(velocityX, 0);
            //camera.translate(velocityX, 0);
            camera.position.x += velocityX;

            velocityY -= multiplier;
            animTime = System.currentTimeMillis();
            if (characterSprite.getY() < 5)
                velocityY = 20;

            characterSprite.setPosition(characterSprite.getX() + velocityX, characterSprite.getY() + velocityY);
        }


        //characterSprite.setPosition(characterSprite.getX() + velocityX, characterSprite.getY()+velocityY);
//
//      if (!movingRight)
//          characterSprite.flip(true, false);
//
//      if(Gdx.input.isKeyPressed(Input.Keys.LEFT)){
//          if(Gdx.input.isKeyPressed(Input.Keys.CONTROL_LEFT))
//              characterSprite.translateX(-1f);
//          else
//              characterSprite.translateX(-2.0f);
//          movingRight = false;
//      }
//      if(Gdx.input.isKeyPressed(Input.Keys.RIGHT)){
//          if(Gdx.input.isKeyPressed(Input.Keys.CONTROL_LEFT))
//              characterSprite.translateX(1f);
//          else
//              characterSprite.translateX(2.0f);
//          movingRight = true;
//      }
//
//
//
//      characterSprite.setX(characterSprite.getX() + touchpad.getKnobPercentX()*5);
//      if(touchpad.getKnobPercentX()<0)
//          movingRight = false;
//      else if(touchpad.getKnobPercentX()>0) movingRight = true;
//      //characterSprite.setY(characterSprite.getY() + touchpad.getKnobPercentY()*5);
    }
}