@Override
public void update() {
float delta = Gdx.graphics.getRawDeltaTime();
time += delta;
super.update();
if (contactCache != null) contactCache.update(delta);
}
@Override
public void create() {
super.create();
final Model sphereModel =
modelBuilder.createSphere(
1f,
1f,
1f,
8,
8,
new Material(
ColorAttribute.createDiffuse(Color.WHITE),
ColorAttribute.createSpecular(Color.WHITE)),
Usage.Position | Usage.Normal);
disposables.add(sphereModel);
final BulletConstructor sphereConstructor =
new BulletConstructor(sphereModel, 0.5f, new btSphereShape(0.5f));
sphereConstructor.bodyInfo.setRestitution(1f);
world.addConstructor("sphere", sphereConstructor);
final Model sceneModel = objLoader.loadModel(Gdx.files.internal("data/scene.obj"));
disposables.add(sceneModel);
final BulletConstructor sceneConstructor =
new BulletConstructor(sceneModel, 0f, new btBvhTriangleMeshShape(sceneModel.meshParts));
sceneConstructor.bodyInfo.setRestitution(0.25f);
world.addConstructor("scene", sceneConstructor);
final BulletEntity scene =
world.add("scene", (new Matrix4()).setToTranslation(0f, 2f, 0f).rotate(Vector3.Y, -90));
scene.setColor(
0.25f + 0.5f * (float) Math.random(),
0.25f + 0.5f * (float) Math.random(),
0.25f + 0.5f * (float) Math.random(),
1f);
scene.body.setContactCallbackFlag(2);
world
.add("ground", 0f, 0f, 0f)
.setColor(
0.25f + 0.5f * (float) Math.random(),
0.25f + 0.5f * (float) Math.random(),
0.25f + 0.5f * (float) Math.random(),
1f);
for (int x = 0; x < SPHERECOUNT_X; x++) {
for (int y = 0; y < SPHERECOUNT_Y; y++) {
for (int z = 0; z < SPHERECOUNT_Z; z++) {
final BulletEntity e =
(BulletEntity)
world.add(
"sphere",
SPHEREOFFSET_X + x * 3f,
SPHEREOFFSET_Y + y * 3f,
SPHEREOFFSET_Z + z * 3f);
e.setColor(
0.5f + 0.5f * (float) Math.random(),
0.5f + 0.5f * (float) Math.random(),
0.5f + 0.5f * (float) Math.random(),
1f);
e.body.setContactCallbackFilter(2);
}
}
}
if (USE_CONTACT_CACHE) {
contactCache = new TestContactCache();
contactCache.entities = world.entities;
contactCache.setCacheTime(0.5f);
} else {
contactListener = new TestContactListener();
contactListener.entities = world.entities;
}
time = 0;
}
