Examples of javax.media.j3d.ColoringAttributes

javax.media.j3d.ColoringAttributes
The ColoringAttributes object defines attributes used in color selection and shading model.
Color
The setColor methods set the current intrinsic red, green, and blue color values of this ColoringAttributes component object. This color is only used for unlit geometry. If lighting is enabled, the material colors are used in the lighting equation to produce the final color. When vertex colors are present in unlit geometry, those vertex colors are used in place of this ColoringAttributes color, unless the vertex colors are ignored.
There are two variations on the setColor methods, one that takes a Color3f and one that takes three floats. No alpha value is allowed (it's automatically set to 1.0). The float values range between 0.0 and 1.0, with 1.0 being full intensity of the color. A color value of (1.0, 1.0, 1.0) is white.
Shading Model
The setShadeModel method sets the shade model for this ColoringAttributes component object. The shade model may be one of the following:
- FASTEST - use the fastest available method for shading. This shading mode maps to whatever shading model the Java 3D implementor defines as the "fastest," which may be hardware-dependent.
- NICEST - use the nicest (highest quality) available method for shading. This shading mode maps to whatever shading model the Java 3D implementor defines as the "nicest," shading model, which may be hardware-dependent.
- SHADE_FLAT - use the flat shading model. This shading model does not interpolate color across the primitive. The primitive is drawn with a single color and the color of one vertex of the primitive is duplicated across all the vertices of the primitive.
- SHADE_GOURAUD - use the Gouraud (smooth) shading model. This shading model smoothly interpolates the color at each vertex across the primitive. The primitive is drawn with many different colors and the color at each vertex is treated individually. For lines, the colors along the line segment are interpolated between the vertex colors. This is the default shade model if no other is specified.
@see Appearance

            Color3f aColor  = new Color3f(0.1f, 0.1f, 0.1f);
            Color3f eColor  = new Color3f(0.0f, 0.0f, 0.0f);
            Color3f sColor  = new Color3f(1.0f, 1.0f, 1.0f);


            Appearance cya=new Appearance();
            cya.setColoringAttributes(new ColoringAttributes(new Color3f(Color.WHITE),ColoringAttributes.SHADE_GOURAUD));
            cya.setPolygonAttributes(new PolygonAttributes(PolygonAttributes.POLYGON_FILL, PolygonAttributes.CULL_NONE, 0));
            Material cym = new Material(aColor, eColor, new Color3f(Color.WHITE), sColor, 100.0f);
            cym.setLightingEnable(true);
            cya.setMaterial(cym);
            sd.setAppearance(cya);

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        } else {
          this.sunflow.parameter("color", null, diffuseColor);
          this.sunflow.shader(appearanceName, "constant");
        }
      } else {
        ColoringAttributes coloringAttributes = appearance.getColoringAttributes();
        if (coloringAttributes != null) {
          Color3f color = new Color3f();
          coloringAttributes.getColor(color);
          if (ignoreConstantShader) {
            this.sunflow.parameter("diffuse", null, new float [] {color.x, color.y, color.z});
            this.sunflow.shader(appearanceName, "diffuse");
          } else {
            this.sunflow.parameter("color", null, new float [] {color.x, color.y, color.z});

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  /**
   * Returns a new background node.  
   */
  private Node createBackgroundNode(boolean listenToHomeUpdates, final boolean waitForLoading) {
    final Appearance backgroundAppearance = new Appearance();
    ColoringAttributes backgroundColoringAttributes = new ColoringAttributes();
    backgroundAppearance.setColoringAttributes(backgroundColoringAttributes);
    // Allow background color and texture to change
    backgroundAppearance.setCapability(Appearance.ALLOW_TEXTURE_WRITE);
    backgroundAppearance.setCapability(Appearance.ALLOW_COLORING_ATTRIBUTES_READ);
    backgroundColoringAttributes.setCapability(ColoringAttributes.ALLOW_COLOR_WRITE);
    
    Geometry halfSphereGeometry = createHalfSphereGeometry();   
    final Shape3D halfSphere = new Shape3D(halfSphereGeometry, backgroundAppearance);
    BranchGroup backgroundBranch = new BranchGroup();
    backgroundBranch.addChild(halfSphere);

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      }
      geometryInfo.setStripCounts(stripCountsArray);
 
      Shape3D shadow = new Shape3D(geometryInfo.getIndexedGeometryArray());
      Appearance shadowAppearance = new Appearance();
      shadowAppearance.setColoringAttributes(new ColoringAttributes(new Color3f(), ColoringAttributes.SHADE_FLAT));
      shadowAppearance.setTransparencyAttributes(new TransparencyAttributes(TransparencyAttributes.NICEST, 0.7f));
      shadow.setAppearance(shadowAppearance);    
      homeRoot.addChild(shadow);
    }
  }

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        } else {
          // Set default color if it doesn't exist yet
          Color3f black = new Color3f();
          if (appearance.getMaterial() == null) {
            appearance.setMaterial(new Material(black, black, black, black, 1));
            appearance.setColoringAttributes(new ColoringAttributes(black, ColoringAttributes.SHADE_GOURAUD));
          }
        }
        this.transparentColor = null;
        this.transparency = null;
        
        this.inPhongBlinnOrLambert = false;
        this.inConstant = false;
      } else if (this.inConstant || this.inPhongBlinnOrLambert) {
        // Set appearance attributes
        if ("color".equals(name)) {
          if ("emission".equals(parent)) {
            if (this.inPhongBlinnOrLambert) {
              getAppearanceMaterial(this.effectId).setEmissiveColor(
                  this.floats [0], this.floats [1], this.floats [2]);
            } else { // inConstant
              this.effectAppearances.get(this.effectId).setColoringAttributes(new ColoringAttributes(
                  this.floats [0], this.floats [1], this.floats [2], ColoringAttributes.SHADE_GOURAUD));
            }
          } else if ("ambient".equals(parent)) {
            getAppearanceMaterial(this.effectId).setAmbientColor(
                this.floats [0], this.floats [1], this.floats [2]);
          } else if ("diffuse".equals(parent)) {
            getAppearanceMaterial(this.effectId).setDiffuseColor(
                this.floats [0], this.floats [1], this.floats [2], this.floats [3]);
            // Always set coloring attributes in case geometries don't contain normals
            this.effectAppearances.get(this.effectId).setColoringAttributes(new ColoringAttributes(
                this.floats [0], this.floats [1], this.floats [2], ColoringAttributes.SHADE_GOURAUD));
          } else if ("specular".equals(parent)) {
            getAppearanceMaterial(this.effectId).setSpecularColor(
                this.floats [0], this.floats [1], this.floats [2]);
          } else if ("transparent".equals(parent)) {

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          parseNumber(tokenizer), parseNumber(tokenizer));
      if (currentAppearance != null) {
        OBJMaterial material = getMaterial(currentAppearance);
        material.setDiffuseColor(diffuseColor);
        currentAppearance.setColoringAttributes(
            new ColoringAttributes(diffuseColor, ColoringAttributes.SHADE_GOURAUD));
      }
    } else if ("Ks".equals(tokenizer.sval)) {
      // Read specular color Ks r g b
      Color3f specularColor = new Color3f(parseNumber(tokenizer), 
          parseNumber(tokenizer), parseNumber(tokenizer));

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    this.originY = groundOriginY;
    this.width = groundWidth;
    this.depth = groundDepth;


    // Use coloring attributes for ground to avoid ground lighting
    ColoringAttributes groundColoringAttributes = new ColoringAttributes();
    groundColoringAttributes.setCapability(ColoringAttributes.ALLOW_COLOR_WRITE);
    
    Appearance groundAppearance = new Appearance();
    groundAppearance.setColoringAttributes(groundColoringAttributes);
    groundAppearance.setCapability(Appearance.ALLOW_COLORING_ATTRIBUTES_READ);
    groundAppearance.setCapability(Appearance.ALLOW_TEXTURE_WRITE);

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            if (objMaterial.isSharpnessSet()) {
              writer.write("sharpness " + format(objMaterial.getSharpness()) + "\n");
            }
          }
        } else {
          ColoringAttributes coloringAttributes = appearance.getColoringAttributes();
          if (coloringAttributes != null) {
            writer.write("illum 0\n");
            Color3f color = new Color3f();
            coloringAttributes.getColor(color);          
            writer.write("Ka " + format(color.x) + " " + format(color.y) + " " + format(color.z) + "\n");
            writer.write("Kd " + format(color.x) + " " + format(color.y) + " " + format(color.z) + "\n");
            writer.write("Ks " + format(color.x) + " " + format(color.y) + " " + format(color.z) + "\n");
          }
        }

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    @Override
    public boolean equals(Object obj) {
      if (obj instanceof ComparableAppearance) {
        Appearance appearance2 = ((ComparableAppearance)obj).appearance;
        // Compare coloring attributes
        ColoringAttributes coloringAttributes1 = this.appearance.getColoringAttributes();
        ColoringAttributes coloringAttributes2 = appearance2.getColoringAttributes();
        if ((coloringAttributes1 == null) ^ (coloringAttributes2 == null)) {
          return false;
        } else if (coloringAttributes1 != coloringAttributes2) {
          Color3f color1 = new Color3f();
          Color3f color2 = new Color3f();
          coloringAttributes1.getColor(color1);
          coloringAttributes2.getColor(color2);
          if (!color1.equals(color2)) {
            return false;
          } 
        }
        // Compare material colors

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    }
    
    @Override
    public int hashCode() {
      int code = 0;
      ColoringAttributes coloringAttributes = appearance.getColoringAttributes();
      if (coloringAttributes != null) {
        Color3f color = new Color3f();
        coloringAttributes.getColor(color);
        code += color.hashCode();
      }
      Material material = this.appearance.getMaterial();
      if (material != null) {
        Color3f color = new Color3f();

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