libgdx 第二节 主菜单界面

截图：

源码：

package com.example.bird;

import android.util.Log;


import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.Screen;
import com.badlogic.gdx.ScreenAdapter;
import com.badlogic.gdx.graphics.OrthographicCamera;
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.graphics.g2d.TextureRegion;
import com.badlogic.gdx.scenes.scene2d.InputEvent;
import com.badlogic.gdx.scenes.scene2d.Stage;
import com.badlogic.gdx.scenes.scene2d.actions.Actions;
import com.badlogic.gdx.scenes.scene2d.ui.Image;
import com.badlogic.gdx.scenes.scene2d.utils.ClickListener;
import com.badlogic.gdx.utils.Array;
import com.badlogic.gdx.utils.Timer;
import com.badlogic.gdx.utils.Timer.Task;


public class MainMenuScreen extends ScreenAdapter {


SpriteBatch Batch;
private TextureAtlas atlas;
private Sprite sprite;
FirstGame Gm;
private OrthographicCamera camera;
bird bd;
Array<TextureRegion> Texturelist = new Array<TextureRegion>();
Stage Ui;
Image Title;
Image Rate;
private Image button_play;
private Sprite background;
private int df_x = 0;
float df = 0;
private int size;


// //// 缩放值为 320*560
public MainMenuScreen(FirstGame tGm) {
// TODO Auto-generated constructor stub
camera = new OrthographicCamera(320, 560);
camera.position.set(320 / 2, 560 / 2, 0);
Ui = new Stage();
this.Gm = tGm;
Batch = new SpriteBatch();
atlas = new TextureAtlas(Gdx.files.internal("data/bird/birdImgs.atlas"));
sprite = atlas.createSprite("bg_day");
sprite.setSize(320, 560);
float h;
float w;
h = atlas.findRegion("title").getRegionHeight();
w = atlas.findRegion("title").getRegionWidth();
Title = new Image(atlas.findRegion("title"));
// 标题
Title.setPosition(320 / 2 - w / 2, 560 - 180);
Texturelist.clear();
Texturelist.add(atlas.findRegion("bird0_0"));
Texturelist.add(atlas.findRegion("bird0_1"));
Texturelist.add(atlas.findRegion("bird0_2"));
float h1 = atlas.findRegion("bird0_0").getRegionHeight();
float w1 = atlas.findRegion("bird0_0").getRegionWidth();
bd = new bird(0.16f, Texturelist);
bd.setPosition(320 / 2 - w1 / 2, Title.getY() - h - 20);
bd.addAction(Actions.forever(Actions.sequence(
Actions.moveBy(0, -10, 0.3f), Actions.moveBy(0, 10, 0.3f))));
// 小鸟
h = atlas.findRegion("button_rate").getRegionHeight();
w = atlas.findRegion("button_rate").getRegionWidth();
Rate = new Image(atlas.findRegion("button_rate"));
Rate.setPosition(320 / 2 - w / 2, bd.getY() - h1 - 20);
Rate.addListener(new ClickListener() {
public void clicked(InputEvent event, float x, float y) {
MainActivity.showAdStatic(1);// 这里启动插屏广告
}
});
// Rate
// play
h1 = atlas.findRegion("button_play").getRegionHeight();
w1 = atlas.findRegion("button_play").getRegionWidth();
button_play = new Image(atlas.findRegion("button_play"));
button_play.setPosition(320 / 2 - w1 / 2, Rate.getY() - h - 40);
button_play.addListener(new ClickListener() {
public void clicked(InputEvent event, float x, float y) {
Gm.setScreen(new GameScreen(Gm));
}
});
background = new Sprite(atlas.findRegion("land"));
// 加入场景里面
Ui.addActor(bd);
Ui.addActor(Title);
Ui.addActor(Rate);
Ui.addActor(button_play);


// 给场景添加摄像机
Ui.setCamera(camera);


Gdx.input.setInputProcessor(Ui);
}


@Override
public void render(float delta) {
// TODO Auto-generated method stub
super.render(delta);
camera.update();
Batch.setProjectionMatrix(camera.combined);
Batch.begin();
sprite.draw(Batch);
df_x = df_x - 3;
background.setX(df_x % 336);
background.draw(Batch);
background.setX(336 + df_x % 336);
background.draw(Batch);
Batch.end();
Ui.act();
Ui.draw();
ScreenshotFactory.saveScreenshot(delta);
}


@Override
public void resume() {
// TODO Auto-generated method stub
super.resume();
}


@Override
public void pause() {
// TODO Auto-generated method stub
super.pause();
Gdx.input.setInputProcessor(null);
}


@Override
public void hide() {
// TODO Auto-generated method stub
super.hide();
}


@Override
public void dispose() {
// TODO Auto-generated method stub
super.dispose();
Batch.dispose();
atlas.dispose();
Ui.dispose();


}


}