Java Code Examples for com.badlogic.gdx.graphics.g3d.Material#set()

private Terrain(int vertexResolution) {
    this.transform = new Matrix4();
    this.attribs = MeshBuilder.createAttributes(VertexAttributes.Usage.Position | VertexAttributes.Usage.Normal
            | VertexAttributes.Usage.TextureCoordinates);
    this.posPos = attribs.getOffset(VertexAttributes.Usage.Position, -1);
    this.norPos = attribs.getOffset(VertexAttributes.Usage.Normal, -1);
    this.uvPos = attribs.getOffset(VertexAttributes.Usage.TextureCoordinates, -1);
    this.stride = attribs.vertexSize / 4;

    this.vertexResolution = vertexResolution;
    this.heightData = new float[vertexResolution * vertexResolution];

    this.terrainTexture = new TerrainTexture();
    this.terrainTexture.setTerrain(this);
    material = new Material();
    material.set(new TerrainTextureAttribute(TerrainTextureAttribute.ATTRIBUTE_SPLAT0, terrainTexture));
}
 

public void createBillboardTest() {
	ModelBuilder mb = new ModelBuilder();
	mb.begin();

	long attr = Usage.TextureCoordinates | Usage.Position | Usage.Normal;
	TextureRegion region = Assets.getAtlas().findRegion("sprites/test-guy");
	Material mat = new Material(TextureAttribute.createDiffuse(region.getTexture()));
	boolean blended = true;
	float opacity = 1f;
	mat.set(new BlendingAttribute(blended, GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA, opacity));
	MeshPartBuilder mpb = mb.part("rect", GL20.GL_TRIANGLES, attr, mat);
	mpb.setUVRange(region);
	// the coordinates are offset so that we can easily set the center position to align with the entity's body
	float sz = 2f; // size
	float b = -sz/2; // base
	float max = sz/2; // max
	Vector3 bl = new Vector3(b, b, 0f);
	Vector3 br = new Vector3(b, max, 0f);
	Vector3 tr = new Vector3(max, max, 0f);
	Vector3 tl = new Vector3(max, b, 0f);
	Vector3 norm = new Vector3(0f, 0f, 1f);
	mpb.rect(bl, tl, tr, br, norm);
	billboardTestModel = mb.end();
}
 

public static void init() {
	list = new Array<>();
	ModelBuilder mb = new ModelBuilder();
	Vector3 norm = new Vector3(0f, 1f, 0f);
	Texture texture = Assets.manager.get("textures/shadow.png", Texture.class);
	Material material = new Material(TextureAttribute.createDiffuse(texture));
	material.set(new BlendingAttribute(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA, 0.7f));
	//material.set(new DepthTestAttribute(0)); // disable depth testing
	long attr = Usage.Position | Usage.TextureCoordinates;
	float s = 1f;
	model = mb.createRect(
			-s, 0f, -s,// bl
			-s, 0f, s, // tl
			s, 0f, s,  // tr
			s, 0f, -s,  // br
			norm.x, norm.y, norm.z,
			material,
			attr
	);
}
 

/**
 * Applies this material asset to the libGDX material.
 *
 * @param material
 * @return
 */
public Material applyToMaterial(Material material) {
    if (diffuseColor != null) {
        material.set(new ColorAttribute(ColorAttribute.Diffuse, diffuseColor));
    }
    if (diffuseTexture != null) {
        material.set(new TextureAttribute(TextureAttribute.Diffuse, diffuseTexture.getTexture()));
    } else {
        material.remove(TextureAttribute.Diffuse);
    }
    material.set(new FloatAttribute(FloatAttribute.Shininess, shininess));

    return material;
}
 

public static void createOutlineModel(Model model, Color outlineColor, float fattenAmount) {
	fatten(model, fattenAmount);
	for (Material m : model.materials) {
		m.clear();
		m.set(new IntAttribute(IntAttribute.CullFace, Gdx.gl.GL_FRONT));
		m.set(ColorAttribute.createDiffuse(outlineColor));
	}
}
 

public static Model buildBillboardModel(Texture texture, float width, float height) {
	TextureRegion textureRegion = new TextureRegion(texture, texture.getWidth(), texture.getHeight());
	Material material = new Material();
	material.set(new TextureAttribute(TextureAttribute.Diffuse, textureRegion));
	material.set(new ColorAttribute(ColorAttribute.AmbientLight, Color.WHITE));
	material.set(new BlendingAttribute());
	return ModelFactory.buildPlaneModel(width, height, material, 0, 0, 1, 1);
}
 

/** create some boxes to fill the level with some test geometry */
public static void createBoxes(int count) {
	ModelBuilder main = new ModelBuilder();
	ModelBuilder mb = new ModelBuilder();
	Material material = new Material();
	if (Main.isClient()) {
		material.set(TextureAttribute.createDiffuse(Assets.manager.get("textures/marble.jpg", Texture.class)));
	}
	main.begin();
	//float x = GameWorld.WORLD_WIDTH;
	//float y = GameWorld.WORLD_DEPTH;
	for (int i = 0; i < count; i++) {
		//float w = MathUtils.random(minW, maxW);
		float w = 8f;
		float d = 8f;
		float h = (i+1)*5f;
		tmp.set(10f + (w+2) * i, 0f, 10f + (d+2) * i);
		if (Main.isClient()) {
			mb.begin();
			MeshPartBuilder mpb = mb.part("part-" + i, GL20.GL_TRIANGLES, Usage.Position | Usage.Normal | Usage.TextureCoordinates, material);
			mpb.box(w, h, d);
			Model boxModel = mb.end();
			Node node = main.node("box-" + i, boxModel);
			node.translation.set(tmp);
			q.idt();
			node.rotation.set(q);
		}
		//node.translation.set(MathUtils.random(x), 0f, MathUtils.random(y));
		//q.set(Vector3.X, -90);
		mtx.set(q);
		mtx.setTranslation(tmp);
		btCollisionObject obj = Physics.inst.createBoxObject(tmp.set(w/2, h/2, d/2));
		obj.setWorldTransform(mtx);
		Physics.applyStaticGeometryCollisionFlags(obj);
		Physics.inst.addStaticGeometryToWorld(obj);
	}
	Model finalModel = main.end();
	instance = new ModelInstance(finalModel);
}
 

public void turnOnLights() {
    for (Material mat : lightMaterials) {
        mat.set(new ColorAttribute(ColorAttribute.Emissive, this.ledColor));
    }
}