1 package com.mygdx.game; 2  3 import com.badlogic.gdx.Gdx; 4 import com.badlogic.gdx.graphics.g2d.Animation; 5 import com.badlogic.gdx.graphics.g2d.Batch; 6 import com.badlogic.gdx.graphics.g2d.TextureRegion; 7 import com.badlogic.gdx.scenes.scene2d.Actor; 8 import com.badlogic.gdx.scenes.scene2d.InputEvent; 9 import com.badlogic.gdx.scenes.scene2d.InputListener;10 11 /**12  * Created by HanHongmin on 14-7-20.13  */14 public class Plane extends Actor {15     private Animation animation;16     private float stateTime;17 18     public Plane(Animation animation){19         this.animation = animation;20         setBounds(getX(), getY(), animation.getKeyFrames()[0].getRegionWidth(), animation.getKeyFrames()[0].getRegionHeight());21 22         this.addListener(new InputListener(){23             public boolean touchDown(InputEvent event, float x, float y, int pointer, int buttons){24                 System.out.println("Touched" + getName());25                 return true;26             }27         });28     }29 30     public void draw(Batch batch, float alpha){31         stateTime = stateTime+Gdx.graphics.getDeltaTime();32 33         TextureRegion toDraw = animation.getKeyFrame(stateTime);34 35         batch.draw(toDraw, getX(), getY(), getOriginX(), getOriginY(), getWidth(), getHeight(),36                 getScaleX(), getScaleY(), getRotation());37     }38 39 40 }

 1 package com.mygdx.game; 2  3 import com.badlogic.gdx.ApplicationListener; 4 import com.badlogic.gdx.Gdx; 5 import com.badlogic.gdx.Input; 6 import com.badlogic.gdx.graphics.GL20; 7 import com.badlogic.gdx.graphics.Texture; 8 import com.badlogic.gdx.graphics.g2d.Animation; 9 import com.badlogic.gdx.graphics.g2d.TextureRegion;10 import com.badlogic.gdx.scenes.scene2d.*;11 import com.badlogic.gdx.utils.Array;12 13 public class MyGdxGame implements ApplicationListener {14     private Plane plane;15     private Stage stage;16     private Texture t1;17     private Texture t2;18     private Texture t3;19 20     private float moveSpeed = 200;21 22     @Override23     public void create() {24         stage = new Stage();25 26         t1 = new Texture("plane1.png");27         t2 = new Texture("plane2.png");28         t3 = new Texture("plane3.png");29         Array<TextureRegion> frames = new Array(4);30         frames.add(new TextureRegion(t1));31         frames.add(new TextureRegion(t2));32         frames.add(new TextureRegion(t3));33         frames.add(new TextureRegion(t2));34 35         Animation animation = new Animation(0.05f,frames, Animation.PlayMode.LOOP);36 37         plane = new Plane(animation);38 39         plane.setCenterPosition(Gdx.graphics.getWidth()/2,Gdx.graphics.getHeight()/2);40         plane.setName("飞机1");41 42         stage.addActor(plane);43 44         Gdx.input.setInputProcessor(stage);45     }46 47     @Override48     public void dispose() {49         t1.dispose();50         t2.dispose();51         t3.dispose();52         stage.dispose();53     }54 55     @Override56     public void render () {57         Gdx.gl.glClearColor(0, 0, 0, 1);58         Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);59         float time = Gdx.graphics.getDeltaTime();60         if(Gdx.input.isKeyPressed(Input.Keys.W)){61             plane.setY(plane.getY()+moveSpeed*time);62         }63         if(Gdx.input.isKeyPressed(Input.Keys.A)){64             if(plane.getScaleX()==1){65                 plane.setScaleX(-1);66                 plane.setX(plane.getX()+plane.getWidth());67             }68 69             plane.setX(plane.getX()-moveSpeed*time);70         }71         if(Gdx.input.isKeyPressed(Input.Keys.S)){72             plane.setY(plane.getY()-moveSpeed*time);73         }74         if(Gdx.input.isKeyPressed(Input.Keys.D)){75             if(plane.getScaleX()==-1){76                 plane.setScaleX(1);77                 plane.setX(plane.getX()-plane.getWidth());78             }79 80             plane.setX(plane.getX()+moveSpeed*time);81         }82 83         stage.act(Gdx.graphics.getDeltaTime());84         stage.draw();85     }86 87     @Override88     public void resize(int width, int height) {89     }90 91     @Override92     public void pause() {93     }94 95     @Override96     public void resume() {97     }98 }