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 com.badlogic.gdx.Gdx; 20 import com.badlogic.gdx.graphics.GL20; 21 import com.badlogic.gdx.graphics.glutils.ShapeRenderer; 22 import com.badlogic.gdx.graphics.glutils.ShapeRenderer.ShapeType; 23 import com.badlogic.gdx.tests.utils.GdxTest; 24 25 /** Tests alpha blending with all ShapeRenderer shapes. 26 * @author mzechner */ 27 public class ShapeRendererAlphaTest extends GdxTest { 28 ShapeRenderer renderer; 29 30 @Override 31 public void create () { 32 renderer = new ShapeRenderer(); 33 } 34 35 @Override 36 public void render () { 37 Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT); 38 Gdx.gl.glEnable(GL20.GL_BLEND); 39 Gdx.gl.glBlendFunc(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA); 40 41 renderer.begin(ShapeType.Line); 42 renderer.setColor(1, 0, 0, 0.5f); 43 renderer.rect(0, 0, 100, 200); 44 renderer.end(); 45 46 renderer.begin(ShapeType.Filled); 47 renderer.setColor(0, 1, 0, 0.5f); 48 renderer.rect(200, 0, 100, 100); 49 renderer.end(); 50 51 renderer.begin(ShapeType.Line); 52 renderer.setColor(0, 1, 0, 0.5f); 53 renderer.circle(400, 50, 50); 54 renderer.end(); 55 56 renderer.begin(ShapeType.Filled); 57 renderer.setColor(1, 0, 1, 0.5f); 58 renderer.circle(500, 50, 50); 59 renderer.end(); 60 } 61 62 @Override 63 public void dispose () { 64 renderer.dispose(); 65 } 66 } 67
