【开源java游戏框架libgdx专题】-12-开发工具-图片合成

 1 package com.mygdx.textureatlas;
 2 
 3 import com.badlogic.gdx.ApplicationAdapter;
 4 import com.badlogic.gdx.Gdx;
 5 import com.badlogic.gdx.graphics.GL20;
 6 import com.badlogic.gdx.graphics.g2d.Sprite;
 7 import com.badlogic.gdx.graphics.g2d.SpriteBatch;
 8 import com.badlogic.gdx.graphics.g2d.TextureAtlas;
 9 /**
10  * 使用图片资源
11  * @author Jack(乐智)
12  * @blog dtblog.cn
13  * @qq 984137183
14  */
15 public class MainGame extends ApplicationAdapter{
16     //声明精灵画笔
17     private SpriteBatch batch;
18     //声明图集变量
19     private TextureAtlas atlas;
20     //声明精灵
21     private Sprite sprite;
22     
23     @Override
24     public void create() {
25         //初始化精灵画笔
26         batch=new SpriteBatch();
27         //初始化图集对象
28         atlas=new TextureAtlas("packer/MyFirst.pack");
29         //获取test02图片，赋值给精灵
30         sprite=atlas.createSprite("test02");
31                 
32     }
33 
34     @Override
35     public void render() {
36         //设置白色屏幕背景
37         Gdx.gl.glClearColor(1, 1, 1, 1);
38         //清屏
39         Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
40         //开始绘制
41         batch.begin();
42         //绘制精灵
43         sprite.draw(batch);
44         batch.end();
45         //结束绘制
46     }
47 
48 }

 1 package com.mygdx.game.textureatlas;
 2 
 3 import com.badlogic.gdx.backends.lwjgl.LwjglApplication;
 4 import com.badlogic.gdx.backends.lwjgl.LwjglApplicationConfiguration;
 5 import com.mygdx.textureatlas.MainGame;
 6 
 7 public class Test {
 8 
 9     public static void main(String[] args) {
10         LwjglApplicationConfiguration config=new LwjglApplicationConfiguration();
11         new LwjglApplication(new MainGame(),config);
12     }
13 
14 }