import com.badlogic.gdx.graphics.g3d.environment.DirectionalShadowLight; //导入依赖的package包/类
@Override
public void dispose () {
	world.dispose();
	world = null;

	for (Disposable disposable : disposables)
		disposable.dispose();
	disposables.clear();

	modelBatch.dispose();
	modelBatch = null;

	shadowBatch.dispose();
	shadowBatch = null;

	if (shadows)
		((DirectionalShadowLight)light).dispose();
	light = null;

	super.dispose();
}
 

import com.badlogic.gdx.graphics.g3d.environment.DirectionalShadowLight; //导入依赖的package包/类
public void setEnvironmentLights(Array<BaseLight<?>> lights, Vector3 sunDirection) {
	environment = new Environment();
	environment.add((shadowLight = new DirectionalShadowLight(
			GameSettings.SHADOW_MAP_WIDTH,
			GameSettings.SHADOW_MAP_HEIGHT,
			GameSettings.SHADOW_VIEWPORT_WIDTH,
			GameSettings.SHADOW_VIEWPORT_HEIGHT,
			GameSettings.SHADOW_NEAR,
			GameSettings.SHADOW_FAR))
			.set(GameSettings.SHADOW_INTENSITY,
					GameSettings.SHADOW_INTENSITY,
					GameSettings.SHADOW_INTENSITY,
					sunDirection.nor()));
	environment.shadowMap = shadowLight;

	float ambientLight = GameSettings.SCENE_AMBIENT_LIGHT;
	environment.set(new ColorAttribute(ColorAttribute.AmbientLight, ambientLight, ambientLight, ambientLight, 1));
	for (BaseLight<?> light : lights) {
		environment.add(light);
	}
}
 

import com.badlogic.gdx.graphics.g3d.environment.DirectionalShadowLight; //导入依赖的package包/类
@Override
public void dispose () {
	world.dispose();
	world = null;

	for (Disposable disposable : disposables)
		disposable.dispose();
	disposables.clear();

	modelBatch.dispose();
	modelBatch = null;

	shadowBatch.dispose();
	shadowBatch = null;

	if (shadows) ((DirectionalShadowLight)light).dispose();
	light = null;
}
 

import com.badlogic.gdx.graphics.g3d.environment.DirectionalShadowLight; //导入依赖的package包/类
protected void renderWorld () {
	if (shadows) {
		((DirectionalShadowLight)light).begin(Vector3.Zero, camera.direction);
		shadowBatch.begin(((DirectionalShadowLight)light).getCamera());
		world.render(shadowBatch, null);
		shadowBatch.end();
		((DirectionalShadowLight)light).end();
	}

	modelBatch.begin(camera);
	world.render(modelBatch, environment);
	modelBatch.end();
}
 

import com.badlogic.gdx.graphics.g3d.environment.DirectionalShadowLight; //导入依赖的package包/类
/**
 * Configures the lighting and attributes for the environments	 *
 */
private void configureEnvironments() {
	mEnvironment.set(new CubemapAttribute(CubemapAttribute.EnvironmentMap, AssetHandler.getInstance().getCubeMap()),
			new ColorAttribute(ColorAttribute.AmbientLight, 0.5f, 0.5f, 0.5f, 0.5f));

	mEnvironment.add((mShadowLight = new DirectionalShadowLight(4096, 4096, 60f, 60f, .1f, 50f)).set(0.5f, 0.5f, 0.5f,
			mLightDirection.x, mLightDirection.y, mLightDirection.z));
	mEnvironment.shadowMap = mShadowLight;

	mBackgroundEnvironment.set(new ColorAttribute(ColorAttribute.AmbientLight, 1.0f, 1.0f, 1.0f, 1f));
}
 

import com.badlogic.gdx.graphics.g3d.environment.DirectionalShadowLight; //导入依赖的package包/类
@Override
public void create () {
	modelBatch = new ModelBatch();
	environment = new Environment();
	environment.set(new ColorAttribute(ColorAttribute.AmbientLight, .4f, .4f, .4f, 1f));
	environment.add(new DirectionalLight().set(0.8f, 0.8f, 0.8f, -1f, -0.8f, -0.2f));
	environment.add((shadowLight = new DirectionalShadowLight(1024, 1024, 30f, 30f, 1f, 100f)).set(0.8f, 0.8f, 0.8f, -1f, -.8f,
		-.2f));
	environment.shadowMap = shadowLight;

	cam = new PerspectiveCamera(67, Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
	cam.position.set(0f, 7f, 10f);
	cam.lookAt(0, 0, 0);
	cam.near = 1f;
	cam.far = 50f;
	cam.update();

	ModelBuilder modelBuilder = new ModelBuilder();
	modelBuilder.begin();
	MeshPartBuilder mpb = modelBuilder.part("parts", GL20.GL_TRIANGLES, Usage.Position | Usage.Normal | Usage.Color,
		new Material(ColorAttribute.createDiffuse(Color.WHITE)));
	mpb.setColor(1f, 1f, 1f, 1f);
	mpb.box(0, -1.5f, 0, 10, 1, 10);
	mpb.setColor(1f, 0f, 1f, 1f);
	mpb.sphere(2f, 2f, 2f, 10, 10);
	model = modelBuilder.end();
	instance = new ModelInstance(model);

	shadowBatch = new ModelBatch(new DepthShaderProvider());

	Gdx.input.setInputProcessor(camController = new CameraInputController(cam));
}
 

import com.badlogic.gdx.graphics.g3d.environment.DirectionalShadowLight; //导入依赖的package包/类
@Override
public void create () {
	super.create();
	lights = new Environment();
	lights.set(new ColorAttribute(ColorAttribute.AmbientLight, 0.4f, 0.4f, 0.4f, 1.f));
	lights.add((shadowLight = new DirectionalShadowLight(1024, 1024, 30f, 30f, 1f, 100f))
		.set(0.8f, 0.8f, 0.8f, -.4f, -.4f, -.4f));
	lights.shadowMap = shadowLight;
	inputController.rotateLeftKey = inputController.rotateRightKey = inputController.forwardKey = inputController.backwardKey = 0;
	cam.position.set(25, 25, 25);
	cam.lookAt(0, 0, 0);
	cam.update();
	modelsWindow.setVisible(false);
	assets.load("data/g3d/skydome.g3db", Model.class);
	assets.load("data/g3d/concrete.png", Texture.class);
	assets.load("data/tree.png", Texture.class);
	loading = true;
	trForward.translation.set(0, 0, 8f);
	trBackward.translation.set(0, 0, -8f);
	trLeft.rotation.setFromAxis(Vector3.Y, 90);
	trRight.rotation.setFromAxis(Vector3.Y, -90);

	ModelBuilder builder = new ModelBuilder();
	builder.begin();
	builder.node().id = "floor";
	MeshPartBuilder part = builder.part("floor", GL20.GL_TRIANGLES, Usage.Position | Usage.TextureCoordinates | Usage.Normal,
		new Material("concrete"));
	((MeshBuilder)part).ensureRectangles(1600);
	for (float x = -200f; x < 200f; x += 10f) {
		for (float z = -200f; z < 200f; z += 10f) {
			part.rect(x, 0, z + 10f, x + 10f, 0, z + 10f, x + 10f, 0, z, x, 0, z, 0, 1, 0);
		}
	}
	builder.node().id = "tree";
	part = builder.part("tree", GL20.GL_TRIANGLES, Usage.Position | Usage.TextureCoordinates | Usage.Normal,
		new Material("tree"));
	part.rect( 0f, 0f, -10f, 10f, 0f, -10f, 10f, 10f, -10f,  0f, 10f, -10f, 0, 0, 1f);
	part.setUVRange(1, 0, 0, 1);
	part.rect(10f, 0f, -10f,  0f, 0f, -10f,  0f, 10f, -10f, 10f, 10f, -10f, 0, 0, -1f);
	floorModel = builder.end();

	shadowBatch = new ModelBatch(new DepthShaderProvider());
}