【开源java游戏框架libgdx专题】-15-系统控件-Button类

 1   package com.mygdx.syscontrol;
 2 
 3 import com.badlogic.gdx.scenes.scene2d.InputEvent;
 4 import com.badlogic.gdx.scenes.scene2d.utils.ClickListener;
 5 /**
 6  * 我的点击事件类
 7  * @author Jack(乐智)
 8  * @blog dtblog.cn
 9  * @qq 984137183
10  */
11 public class MyClick extends ClickListener {
12 
13     @Override
14     public boolean touchDown(InputEvent event, float x, float y, int pointer, int button) {
15         //打印
16         System.out.println("Button:"+button);
17         return true;
18     }
19 
20 }

 1 package com.mygdx.syscontrol;
 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.Texture;
 7 import com.badlogic.gdx.graphics.g2d.TextureRegion;
 8 import com.badlogic.gdx.scenes.scene2d.Stage;
 9 import com.badlogic.gdx.scenes.scene2d.ui.Button;
10 import com.badlogic.gdx.scenes.scene2d.ui.Skin;
11 import com.badlogic.gdx.scenes.scene2d.utils.TextureRegionDrawable;
12 /**
13  * 使用Button
14  * @author Jack(乐智)
15  * @blog dtblog.cn
16  * @qq 984137183
17  */
18 public class TestButton extends ApplicationAdapter {
19     //声明Skin对象
20     private Skin skin;
21     //声明按钮A
22     private Button buttonA;
23     //声明按钮B
24     private Button buttonB;
25     //声明舞台
26     private Stage stage;
27     //按钮抬起时纹理
28     private Texture btnUp;
29     //按钮按下时纹理
30     private Texture btnDown;
31     //声明监听器
32     private MyClick click;
33     
34     @Override
35     public void create() {
36         //实例化skin对象
37         skin=new Skin(Gdx.files.internal("button/test.json"));
38         //实例化舞台
39         stage=new Stage();
40         //初始化按钮抬起纹理
41         btnUp=new Texture(Gdx.files.internal("button/btnUp.png"));
42         //初始化按钮按下纹理
43         btnDown=new Texture(Gdx.files.internal("button/btnDown.png"));
44         //抬起纹理样式
45         TextureRegionDrawable btn_up=new TextureRegionDrawable(new TextureRegion(btnUp));
46         //按下纹理样式
47         TextureRegionDrawable btn_down=new TextureRegionDrawable(new TextureRegion(btnDown));
48         //实例化按钮A
49         buttonA=new Button(skin.get("style", Button.ButtonStyle.class));
50         //初始化按钮B
51         buttonB=new Button(btn_up,btn_down);
52         //初识化监听器
53         click=new MyClick();
54         //添加监听器
55         buttonA.addListener(click);
56         buttonB.addListener(click);
57         //设置按钮b的位置
58         buttonB.setPosition(100, 100);
59         //添加按钮b到舞台
60         stage.addActor(buttonB);
61         //添加按钮a到舞台
62         stage.addActor(buttonA);
63         //注册舞台监听
64         Gdx.input.setInputProcessor(stage);
65     }
66 
67     @Override
68     public void render() {
69         Gdx.gl.glClearColor(1, 1, 1, 1);
70         Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
71         //更新舞台逻辑
72         stage.act();
73         //绘制舞台内容
74         stage.draw();
75     }
76 
77 }