1 /******************************************************************************* 2 * Copyright 2011 See AUTHORS file. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 ******************************************************************************/ 16 17 package com.badlogic.gdx.tests; 18 19 import static com.badlogic.gdx.scenes.scene2d.actions.Actions.fadeIn; 20 import static com.badlogic.gdx.scenes.scene2d.actions.Actions.fadeOut; 21 import static com.badlogic.gdx.scenes.scene2d.actions.Actions.forever; 22 import static com.badlogic.gdx.scenes.scene2d.actions.Actions.sequence; 23 24 import com.badlogic.gdx.Gdx; 25 import com.badlogic.gdx.graphics.GL20; 26 import com.badlogic.gdx.graphics.Texture; 27 import com.badlogic.gdx.graphics.g2d.TextureRegion; 28 import com.badlogic.gdx.scenes.scene2d.Stage; 29 import com.badlogic.gdx.scenes.scene2d.ui.Image; 30 import com.badlogic.gdx.tests.utils.GdxTest; 31 32 public class GroupFadeTest extends GdxTest { 33 34 Texture texture; 35 Stage stage; 36 37 @Override create()38 public void create () { 39 texture = new Texture(Gdx.files.internal("data/badlogicsmall.jpg")); 40 stage = new Stage(); 41 42 for (int i = 0; i < 100; i++) { 43 Image img = new Image(new TextureRegion(texture)); 44 img.setX((float)Math.random() * 480); 45 img.setY((float)Math.random() * 320); 46 img.getColor().a = (float)Math.random() * 0.5f + 0.5f; 47 stage.addActor(img); 48 } 49 50 stage.getRoot().addAction(forever(sequence(fadeOut(3), fadeIn(3)))); 51 } 52 53 @Override render()54 public void render () { 55 Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT); 56 stage.act(Gdx.graphics.getDeltaTime()); 57 stage.draw(); 58 } 59 60 @Override dispose()61 public void dispose () { 62 texture.dispose(); 63 stage.dispose(); 64 } 65 } 66
