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

   1 package com.badlogic.gdx.tests.g3d;
   2
   3 import com.badlogic.gdx.Gdx;
   4 import com.badlogic.gdx.Input.Keys;
   5 import com.badlogic.gdx.graphics.GL10;
   6 import com.badlogic.gdx.graphics.g3d.Environment;
   7 import com.badlogic.gdx.graphics.g3d.Model;
   8 import com.badlogic.gdx.graphics.g3d.ModelBatch;
   9 import com.badlogic.gdx.graphics.g3d.ModelInstance;
  10 import com.badlogic.gdx.graphics.g3d.attributes.BlendingAttribute;
  11 import com.badlogic.gdx.graphics.g3d.attributes.ColorAttribute;
  12 import com.badlogic.gdx.graphics.g3d.environment.DirectionalLight;
  13 import com.badlogic.gdx.graphics.g3d.environment.DirectionalShadowLight;
  14 import com.badlogic.gdx.graphics.g3d.environment.PointLight;
  15 import com.badlogic.gdx.graphics.g3d.model.Animation;
  16 import com.badlogic.gdx.graphics.g3d.model.NodeAnimation;
  17 import com.badlogic.gdx.graphics.g3d.shaders.DefaultShader;
  18 import com.badlogic.gdx.graphics.g3d.utils.AnimationController;
  19 import com.badlogic.gdx.math.Quaternion;
  20 import com.badlogic.gdx.math.Rectangle;
  21 import com.badlogic.gdx.math.Vector3;
  22 import com.badlogic.gdx.math.collision.BoundingBox;
  23 import com.badlogic.gdx.math.collision.Ray;
  24 import com.badlogic.gdx.utils.Array;
  25 import com.badlogic.gdx.utils.ObjectMap;
  26 import com.badlogic.gdx.utils.StringBuilder;
  27
  28 public class ModelTest extends BaseG3dHudTest {
  29         Environment lights;
  30
  31         ObjectMap<ModelInstance, AnimationController> animationControllers = new ObjectMap<ModelInstance, AnimationController>();
  32
  33         @Override
  34         public void create () {
  35                 super.create();
  36                 lights = new Environment();
  37                 lights.set(new ColorAttribute(ColorAttribute.AmbientLight, 0.4f, 0.4f, 0.4f, 1.f));
  38                 lights.add(new DirectionalLight().set(0.8f, 0.8f, 0.8f, -0.5f, -1.0f, -0.8f));
  39
  40                 cam.position.set(1,1,1);
  41                 cam.lookAt(0,0,0);
  42                 cam.update();
  43                 showAxes = true;
  44
  45                 onModelClicked("g3d/teapot.g3db");
  46         }
  47
  48         private final Vector3 tmpV = new Vector3();
  49         private final Quaternion tmpQ = new Quaternion();
  50         private final BoundingBox bounds = new BoundingBox();
  51         @Override
  52         protected void render (ModelBatch batch, Array<ModelInstance> instances) {
  53                 for (ObjectMap.Entry<ModelInstance, AnimationController> e : animationControllers.entries())
  54                         e.value.update(Gdx.graphics.getDeltaTime());
  55                 batch.render(instances, lights);
  56         }
  57
  58         @Override
  59         protected void getStatus (StringBuilder stringBuilder) {
  60                 super.getStatus(stringBuilder);
  61
  62                 for (final ModelInstance instance : instances) {
  63                         if (instance.animations.size > 0) {
  64                                 stringBuilder.append(" press space or menu to switch animation");
  65                                 break;
  66                         }
  67                 }
  68         }
  69
  70         protected String currentlyLoading;
  71         @Override
  72         protected void onModelClicked(final String name) {
  73                 if (name == null)
  74                         return;
  75
  76                 currentlyLoading = "data/"+name;
  77                 assets.load(currentlyLoading, Model.class);
  78                 loading = true;
  79         }
  80
  81         @Override
  82         protected void onLoaded() {
  83                 if (currentlyLoading == null || currentlyLoading.isEmpty())
  84                         return;
  85
  86                 instances.clear();
  87                 animationControllers.clear();
  88                 final ModelInstance instance = new ModelInstance(assets.get(currentlyLoading, Model.class));
  89                 instances.add(instance);
  90                 if (instance.animations.size > 0)
  91                         animationControllers.put(instance, new AnimationController(instance));
  92                 currentlyLoading = null;
  93
  94                 instance.calculateBoundingBox(bounds);
  95                 cam.position.set(1,1,1).nor().scl(bounds.getDimensions().len() * 0.75f + bounds.getCenter().len());
  96                 cam.up.set(0,1,0);
  97                 cam.lookAt(0,0,0);
  98                 cam.far = bounds.getDimensions().len() * 2.0f;
  99                 cam.update();
 100         }
 101
 102         protected void switchAnimation() {
 103                 for (ObjectMap.Entry<ModelInstance, AnimationController> e : animationControllers.entries()) {
 104                         int animIndex = 0;
 105                         if (e.value.current != null) {
 106                                 for (int i = 0; i < e.key.animations.size; i++) {
 107                                         final Animation animation = e.key.animations.get(i);
 108                                         if (e.value.current.animation == animation) {
 109                                                 animIndex = i;
 110                                                 break;
 111                                         }
 112                                 }
 113                         }
 114                         animIndex = (animIndex + 1) % (e.key.animations.size + 1);
 115                         e.value.animate((animIndex == e.key.animations.size) ? null : e.key.animations.get(animIndex).id, -1, 1f, null, 0.2f);
 116                 }
 117         }
 118
 119         @Override
 120         public boolean needsGL20 () {
 121                 return true;
 122         }
 123
 124         @Override
 125         public boolean keyUp (int keycode) {
 126                 if (keycode == Keys.SPACE || keycode == Keys.MENU)
 127                         switchAnimation();
 128                 return super.keyUp(keycode);
 129         }
 130 }