我对 LibGdx 和 android studio 有点陌生。 我正在尝试创建可点击的纹理,一个用于播放,一个用于制作人员。 两者都应该打开一个新的空屏幕/事件。
public void create() {
batch = new SpriteBatch();
img = new Texture("Main_Screen.png");
music = Gdx.audio.newMusic(Gdx.files.internal("bgmusic.wav"));
music.play();
music.setLooping(true);
credits = new Texture("credits.png");
play = new Texture("play.png");
}
@Override
public void render() {
Gdx.gl.glClearColor(1, 0, 0, 1);
Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
batch.begin();
batch.draw(img, 0, 0);
batch.draw(play, 340, 1400);
batch.draw(credits, 340, 400);
batch.end();
}
但是我不确定如何做到这一点,因为我也在创建带有纹理的背景,所以如果有人可以帮助我,我会非常高兴。
最佳答案
使用 Sprite
而不是 Texture
,它保存用于绘制 2D sprite 的几何形状、颜色和纹理信息。
MyGdxGame
public class MyGdxGame extends Game {
public Screen menuScreen,creditsScreen,playScreen;
@Override
public void create () {
menuScreen=new MenuScreen(this);
creditsScreen=new CreditsScreen();
playScreen=new PlayScreen();
setScreen(menuScreen);
}
}
菜单屏幕
public class MenuScreen extends InputAdapter implements Screen {
SpriteBatch batch;
Texture background,play,credits;
Sprite backgoundSprite,playSprite,creditsSprite;
private ExtendViewport extendViewport;
OrthographicCamera cam;
private float w=480;
private float h=800;
private Vector3 vector3;
MyGdxGame game;
Music music;
public MenuScreen(MyGdxGame game){
this.game=game;
}
@Override
public void show() {
batch = new SpriteBatch();
cam = new OrthographicCamera();
extendViewport=new ExtendViewport(w,h,cam);
vector3=new Vector3();
background = new Texture("Main_Screen.png");
play=new Texture("play.png");
credits=new Texture("credits.png");
backgoundSprite=new Sprite(background);
backgoundSprite.setSize(w,h); // If resources are not in context of your viewport
backgoundSprite.setPosition(0,0); //Default Position
playSprite=new Sprite(play);
playSprite.setSize(100,100);
playSprite.setPosition(w/2-playSprite.getWidth()/2,h/2+100);
creditsSprite=new Sprite(credits);
creditsSprite.setSize(100,100);
creditsSprite.setPosition(w/2-creditsSprite.getWidth()/2,h/2-100);
Gdx.input.setInputProcessor(this);
music = Gdx.audio.newMusic(Gdx.files.internal("bgmusic.wav"));
music.play();
music.setLooping(true);
}
@Override
public void render(float delta) {
Gdx.gl.glClearColor(1, 1, 1, 1);
Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
batch.setProjectionMatrix(cam.combined);
batch.begin();
backgoundSprite.draw(batch);
playSprite.draw(batch);
creditsSprite.draw(batch);
batch.end();
}
@Override
public void resize(int width, int height) {
extendViewport.update(width,height);
cam.position.x = w /2;
cam.position.y = h/2;
cam.update();
}
@Override
public boolean touchDown(int screenX, int screenY, int pointer, int button) {
vector3.set(screenX,screenY,0);
Vector3 position=cam.unproject(vector3);
if(playSprite.getBoundingRectangle().contains(position.x,position.y)) {
game.setScreen(game.playScreen);
}
if(creditsSprite.getBoundingRectangle().contains(position.x,position.y)){
game.setScreen(game.creditsScreen);
}
return super.touchDown(screenX, screenY, pointer, button);
}
@Override
public void pause() { }
@Override
public void resume() { }
@Override
public void hide() { }
@Override
public void dispose() {
batch.dispose();
background.dispose();
play.dispose();
credits.dispose();
}
}
制作人员名单
public class CreditsScreen implements Screen {
@Override
public void show() {
}
@Override
public void render(float delta) {
Gdx.gl.glClearColor(0, 0, 1, 1);
Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
}
@Override
public void resize(int width, int height) { }
@Override
public void pause() { }
@Override
public void resume() { }
@Override
public void hide() { }
@Override
public void dispose() { }
}
播放画面
public class PlayScreen implements Screen {
@Override
public void show() {
}
@Override
public void render(float delta) {
Gdx.gl.glClearColor(0, 1, 1, 1);
Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
}
@Override
public void resize(int width, int height) { }
@Override
public void pause() { }
@Override
public void resume() { }
@Override
public void hide() { }
@Override
public void dispose() { }
}
关于java - 可点击的纹理,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/43881146/