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.g3d; 18 19 import com.badlogic.gdx.ApplicationListener; 20 import com.badlogic.gdx.Gdx; 21 import com.badlogic.gdx.assets.AssetManager; 22 import com.badlogic.gdx.graphics.GL20; 23 import com.badlogic.gdx.graphics.PerspectiveCamera; 24 import com.badlogic.gdx.graphics.g3d.Environment; 25 import com.badlogic.gdx.graphics.g3d.Model; 26 import com.badlogic.gdx.graphics.g3d.ModelBatch; 27 import com.badlogic.gdx.graphics.g3d.ModelInstance; 28 import com.badlogic.gdx.graphics.g3d.attributes.ColorAttribute; 29 import com.badlogic.gdx.graphics.g3d.environment.DirectionalLight; 30 import com.badlogic.gdx.graphics.g3d.model.Node; 31 import com.badlogic.gdx.graphics.g3d.utils.CameraInputController; 32 import com.badlogic.gdx.tests.utils.GdxTest; 33 import com.badlogic.gdx.utils.Array; 34 35 public class Basic3DSceneTest extends GdxTest implements ApplicationListener { 36 public PerspectiveCamera cam; 37 public CameraInputController camController; 38 public ModelBatch modelBatch; 39 public AssetManager assets; 40 public Array<ModelInstance> instances = new Array<ModelInstance>(); 41 public Environment lights; 42 public boolean loading; 43 44 public Array<ModelInstance> blocks = new Array<ModelInstance>(); 45 public Array<ModelInstance> invaders = new Array<ModelInstance>(); 46 public ModelInstance ship; 47 public ModelInstance space; 48 49 @Override create()50 public void create () { 51 modelBatch = new ModelBatch(); 52 lights = new Environment(); 53 lights.set(new ColorAttribute(ColorAttribute.AmbientLight, 0.4f, 0.4f, 0.4f, 1.f)); 54 lights.add(new DirectionalLight().set(0.8f, 0.8f, 0.8f, -1f, -0.8f, -0.2f)); 55 56 cam = new PerspectiveCamera(67, Gdx.graphics.getWidth(), Gdx.graphics.getHeight()); 57 cam.position.set(0f, 7f, 10f); 58 cam.lookAt(0, 0, 0); 59 cam.near = 0.1f; 60 cam.far = 300f; 61 cam.update(); 62 63 camController = new CameraInputController(cam); 64 Gdx.input.setInputProcessor(camController); 65 66 assets = new AssetManager(); 67 assets.load("data/g3d/invaders.g3dj", Model.class); 68 loading = true; 69 } 70 doneLoading()71 private void doneLoading () { 72 Model model = assets.get("data/g3d/invaders.g3dj", Model.class); 73 for (int i = 0; i < model.nodes.size; i++) { 74 String id = model.nodes.get(i).id; 75 ModelInstance instance = new ModelInstance(model, id); 76 Node node = instance.getNode(id); 77 78 instance.transform.set(node.globalTransform); 79 node.translation.set(0, 0, 0); 80 node.scale.set(1, 1, 1); 81 node.rotation.idt(); 82 instance.calculateTransforms(); 83 84 if (id.equals("space")) { 85 space = instance; 86 continue; 87 } 88 89 instances.add(instance); 90 91 if (id.equals("ship")) 92 ship = instance; 93 else if (id.startsWith("block")) 94 blocks.add(instance); 95 else if (id.startsWith("invader")) invaders.add(instance); 96 } 97 98 loading = false; 99 } 100 101 @Override render()102 public void render () { 103 if (loading && assets.update()) doneLoading(); 104 camController.update(); 105 106 Gdx.gl.glViewport(0, 0, Gdx.graphics.getBackBufferWidth(), Gdx.graphics.getBackBufferHeight()); 107 Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT | GL20.GL_DEPTH_BUFFER_BIT); 108 109 modelBatch.begin(cam); 110 for (ModelInstance instance : instances) 111 modelBatch.render(instance, lights); 112 if (space != null) modelBatch.render(space); 113 modelBatch.end(); 114 } 115 116 @Override dispose()117 public void dispose () { 118 modelBatch.dispose(); 119 instances.clear(); 120 assets.dispose(); 121 } 122 } 123