tests/gdx-tests/src/com/badlogic/gdx/tests/g3d/Basic3DSceneTest.java

   1 package com.badlogic.gdx.tests.g3d;
   2
   3 import com.badlogic.gdx.ApplicationListener;
   4 import com.badlogic.gdx.Gdx;
   5 import com.badlogic.gdx.assets.AssetManager;
   6 import com.badlogic.gdx.graphics.GL10;
   7 import com.badlogic.gdx.graphics.PerspectiveCamera;
   8 import com.badlogic.gdx.graphics.g3d.Environment;
   9 import com.badlogic.gdx.graphics.g3d.Model;
  10 import com.badlogic.gdx.graphics.g3d.ModelBatch;
  11 import com.badlogic.gdx.graphics.g3d.ModelInstance;
  12 import com.badlogic.gdx.graphics.g3d.attributes.ColorAttribute;
  13 import com.badlogic.gdx.graphics.g3d.attributes.IntAttribute;
  14 import com.badlogic.gdx.graphics.g3d.environment.DirectionalLight;
  15 import com.badlogic.gdx.graphics.g3d.environment.DirectionalShadowLight;
  16 import com.badlogic.gdx.graphics.g3d.model.Node;
  17 import com.badlogic.gdx.graphics.g3d.utils.CameraInputController;
  18 import com.badlogic.gdx.math.Vector3;
  19 import com.badlogic.gdx.tests.utils.GdxTest;
  20 import com.badlogic.gdx.utils.Array;
  21
  22 public class Basic3DSceneTest extends GdxTest implements ApplicationListener {
  23         public PerspectiveCamera cam;
  24         public CameraInputController camController;
  25         public ModelBatch modelBatch;
  26         public AssetManager assets;
  27         public Array<ModelInstance> instances = new Array<ModelInstance>();
  28         public Environment lights;
  29         public boolean loading;
  30
  31         public Array<ModelInstance> blocks = new Array<ModelInstance>();
  32         public Array<ModelInstance> invaders = new Array<ModelInstance>();
  33         public ModelInstance ship;
  34         public ModelInstance space;
  35
  36         @Override
  37         public void create () {
  38                 modelBatch = new ModelBatch();
  39                 lights = new Environment();
  40                 lights = new Environment();
  41                 lights.set(new ColorAttribute(ColorAttribute.AmbientLight, 0.4f, 0.4f, 0.4f, 1.f));
  42                 lights.add(new DirectionalLight().set(0.8f, 0.8f, 0.8f, -1f, -0.8f, -0.2f));
  43
  44                 cam = new PerspectiveCamera(67, Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
  45                 cam.position.set(0f, 7f, 10f);
  46                 cam.lookAt(0,0,0);
  47                 cam.near = 0.1f;
  48                 cam.far = 300f;
  49                 cam.update();
  50
  51                 camController = new CameraInputController(cam);
  52                 Gdx.input.setInputProcessor(camController);
  53
  54                 assets = new AssetManager();
  55                 assets.load("data/g3d/invaders.g3dj", Model.class);
  56                 loading = true;
  57         }
  58
  59         private void doneLoading() {
  60                 Model model = assets.get("data/g3d/invaders.g3dj", Model.class);
  61                 for (int i = 0; i < model.nodes.size; i++) {
  62                         String id = model.nodes.get(i).id;
  63                         ModelInstance instance = new ModelInstance(model, id);
  64                         Node node = instance.getNode(id);
  65
  66                         instance.transform.set(node.globalTransform);
  67                         node.translation.set(0,0,0);
  68                         node.scale.set(1,1,1);
  69                         node.rotation.idt();
  70                         instance.calculateTransforms();
  71
  72                         if (id.equals("space")) {
  73                                 space = instance;
  74                                 continue;
  75                         }
  76
  77                         instances.add(instance);
  78
  79                         if (id.equals("ship"))
  80                                 ship = instance;
  81                         else if (id.startsWith("block"))
  82                                 blocks.add(instance);
  83                         else if (id.startsWith("invader"))
  84                                 invaders.add(instance);
  85                 }
  86
  87                 loading = false;
  88         }
  89
  90         @Override
  91         public void render () {
  92                 if (loading && assets.update())
  93                         doneLoading();
  94                 camController.update();
  95
  96                 Gdx.gl.glViewport(0, 0, Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
  97                 Gdx.gl.glClear(GL10.GL_COLOR_BUFFER_BIT | GL10.GL_DEPTH_BUFFER_BIT);
  98
  99                 modelBatch.begin(cam);
 100                 for (ModelInstance instance : instances)
 101                         modelBatch.render(instance, lights);
 102                 if (space != null)
 103                         modelBatch.render(space);
 104                 modelBatch.end();
 105         }
 106
 107         @Override
 108         public void dispose () {
 109                 modelBatch.dispose();
 110                 instances.clear();
 111                 assets.dispose();
 112         }
 113
 114         public boolean needsGL20 () {
 115                 return true;
 116         }
 117 }