Examples of javax.media.j3d.Material

javax.media.j3d.Material
The Material object defines the appearance of an object under illumination. If the Material object in an Appearance object is null, lighting is disabled for all nodes that use that Appearance object.
The properties that can be set for a Material object are:
- Ambient color - the ambient RGB color reflected off the surface of the material. The range of values is 0.0 to 1.0. The default ambient color is (0.2, 0.2, 0.2).
- Diffuse color - the RGB color of the material when illuminated. The range of values is 0.0 to 1.0. The default diffuse color is (1.0, 1.0, 1.0).
- Specular color - the RGB specular color of the material (highlights). The range of values is 0.0 to 1.0. The default specular color is (1.0, 1.0, 1.0).
- Emissive color - the RGB color of the light the material emits, if any. The range of values is 0.0 to 1.0. The default emissive color is (0.0, 0.0, 0.0).
- Shininess - the material's shininess, in the range [1.0, 128.0] with 1.0 being not shiny and 128.0 being very shiny. Values outside this range are clamped. The default value for the material's shininess is 64.
- Color target - the material color target for per-vertex colors, one of: AMBIENT, EMISSIVE, DIFFUSE, SPECULAR, or AMBIENT_AND_DIFFUSE. The default target is DIFFUSE.
The Material object also enables or disables lighting.

  BranchGroup aLeg(int rot2, int rot3){
    BranchGroup leg = new BranchGroup();
    
    // appearance box
    Appearance app = new Appearance();
    Material mat = new Material();
    app.setMaterial(mat);
    
    // appearance cylinder
    Appearance appCyl = new Appearance();
    Material matCyl = new Material();
    //matCyl.setDiffuseColor(0,1,0);
    matCyl.setEmissiveColor(0f,1f,0f);
    appCyl.setMaterial(matCyl);
    
    // appearance sphere
    Appearance appSphere = new Appearance();
    Material matSphere = new Material();
    matSphere.setEmissiveColor(1f,1f,0f);
    appSphere.setMaterial(matSphere);

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     * @param expectedDiffuseColor the expected diffuse color
     */
    public static void testColorFromMaterial(Appearance appearance, Color3f expectedAmbientColor,
            Color3f expectedSpecularColor, Color3f expectedDiffuseColor) {
        assertNotNull(appearance);
        Material material = appearance.getMaterial();
        assertNotNull(material);


        Color3f actualAmbientColor = new Color3f();
        material.getAmbientColor(actualAmbientColor);
        assertEquals(expectedAmbientColor, actualAmbientColor);


        Color3f actualSpecularColor = new Color3f();
        material.getSpecularColor(actualSpecularColor);
        assertEquals(expectedSpecularColor, actualSpecularColor);


        Color3f actualDiffuseColor = new Color3f();
        material.getDiffuseColor(actualDiffuseColor);
        assertEquals(expectedDiffuseColor, actualDiffuseColor);
    }

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  public static Appearance createDefaultAppearance(){
      PolygonAttributes attr = new PolygonAttributes();
      attr.setCullFace(PolygonAttributes.CULL_NONE);
      Appearance ap = new Appearance();
      Material mat = new Material();
      mat.setLightingEnable(true);
      ap.setMaterial(mat);
      ap.setPolygonAttributes(attr);
      return ap;
  }

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     * @param expectedDiffuseColor the expected diffuse color
     */
    public static void testColorFromMaterial(Appearance appearance, Color3f expectedAmbientColor,
            Color3f expectedSpecularColor, Color3f expectedDiffuseColor) {
        assertNotNull(appearance);
        Material material = appearance.getMaterial();
        assertNotNull(material);


        Color3f actualAmbientColor = new Color3f();
        material.getAmbientColor(actualAmbientColor);
        assertEquals(expectedAmbientColor, actualAmbientColor);


        Color3f actualSpecularColor = new Color3f();
        material.getSpecularColor(actualSpecularColor);
        assertEquals(expectedSpecularColor, actualSpecularColor);


        Color3f actualDiffuseColor = new Color3f();
        material.getDiffuseColor(actualDiffuseColor);
        assertEquals(expectedDiffuseColor, actualDiffuseColor);
    }

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     * @param diffuseColor the expected diffuse color
     * @param specularColor the expected specular color
     */
    public static void setColorWithMaterial(Appearance appearance, Color3f ambientColor, Color3f diffuseColor,
            Color3f specularColor) {
        Material material = new Material();
        material.setAmbientColor(ambientColor);
        material.setDiffuseColor(diffuseColor);
        material.setSpecularColor(specularColor);
        appearance.setMaterial(material);
    }

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        final TextureLoader loader = new TextureLoader(textureFileName, null);
        final Texture texture = loader.getTexture();
        final Appearance appearance = new Appearance();
        final TextureAttributes ta = new TextureAttributes();
        ta.setTextureMode(TextureAttributes.COMBINE);
        appearance.setMaterial(new Material());
        appearance.setTexture(texture);
        appearance.setTextureAttributes(ta);
        return appearance;
    }

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