Examples of javax.media.j3d.Appearance

javax.media.j3d.Appearance
The Appearance object defines all rendering state that can be set as a component object of a Shape3D node. The rendering state consists of the following:
- Coloring attributes - defines attributes used in color selection and shading. These attributes are defined in a ColoringAttributes object.
- Line attributes - defines attributes used to define lines, including the pattern, width, and whether antialiasing is to be used. These attributes are defined in a LineAttributes object.
- Point attributes - defines attributes used to define points, including the size and whether antialiasing is to be used. These attributes are defined in a PointAttributes object.
- Polygon attributes - defines the attributes used to define polygons, including culling, rasterization mode (filled, lines, or points), constant offset, offset factor, and whether back back facing normals are flipped. These attributes are defined in a PolygonAttributes object.
- Rendering attributes - defines rendering operations, including the alpha test function and test value, the raster operation, whether vertex colors are ignored, whether invisible objects are rendered, and whether the depth buffer is enabled. These attributes are defined in a RenderingAttributes object.
- Transparency attributes - defines the attributes that affect transparency of the object, such as the transparency mode (blended, screen-door), blending function (used in transparency and antialiasing operations), and a blend value that defines the amount of transparency to be applied to this Appearance component object.
- Material - defines the appearance of an object under illumination, such as the ambient color, diffuse color, specular color, emissive color, and shininess. These attributes are defined in a Material object.
- Texture - defines the texture image and filtering parameters used when texture mapping is enabled. These attributes are defined in a Texture object.
- Texture attributes - defines the attributes that apply to texture mapping, such as the texture mode, texture transform, blend color, and perspective correction mode. These attributes are defined in a TextureAttributes object.
- Texture coordinate generation - defines the attributes that apply to texture coordinate generation, such as whether texture coordinate generation is enabled, coordinate format (2D or 3D coordinates), coordinate generation mode (object linear, eye linear, or spherical reflection mapping), and the R, S, and T coordinate plane equations. These attributes are defined in a TexCoordGeneration object.
- Texture unit state - array that defines texture state for each of N separate texture units. This allows multiple textures to be applied to geometry. Each TextureUnitState object contains a Texture object, TextureAttributes, and TexCoordGeneration object for one texture unit. If the length of the texture unit state array is greater than 0, then the array is used for all texture state; the individual Texture, TextureAttributes, and TexCoordGeneration objects in this Appearance object are not used and and must not be set by an application. If the length of the texture unit state array is 0, the multi-texture is disabled and the Texture, TextureAttributes, and TexCoordGeneration objects in the Appearance object are used. If the application sets the existing Texture, TextureAttributes, and TexCoordGeneration objects to non-null values, they effectively define the state for texture unit 0. If the TextureUnitState array is set to a non-null, non-empty array, the individual TextureUnitState objects define the state for texture units 0 through n -1. If both the old and new values are set, an exception is thrown.
@see ColoringAttributes @see LineAttributes @see PointAttributes @see PolygonAttributes @see RenderingAttributes @see TransparencyAttributes @see Material @see Texture @see TextureAttributes @see TexCoordGeneration @see TextureUnitState

class CursorModel extends HexModel {
    public CursorModel(Color3f color) {
    setTransform(new Transform3D(C.nullRot, new Vector3d(), 1.0));
        setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);


        Appearance base = new Appearance();
        base.setColoringAttributes(new ColoringAttributes(color, ColoringAttributes.SHADE_FLAT));
        base.setCapability(Appearance.ALLOW_COLORING_ATTRIBUTES_WRITE);
        base.setLineAttributes(C.defLine);
        
        Shape3D shape = new Shape3D(border, base);
        shape.setAppearance(base);
    addChild(shape);
    }

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    IGame game;
    
    public static SharedGroup[] mkShared() {
        SharedGroup[] shafts = new SharedGroup[2];
        // sides of hex
        Appearance sapp;
        Shape3D sh;
        sapp = new Appearance();
        sapp.setMaterial(side);
        sh = new Shape3D(shaft, sapp);
        sh.setPickable(false);
        shafts[0] = new SharedGroup();
        shafts[0].addChild(sh);


        sapp = new Appearance();
        sapp.setMaterial(sideWater);
        sh = new Shape3D(shaft, sapp);
        shafts[1] = new SharedGroup();
        shafts[1].addChild(sh);
        
        return shafts;

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    public BoardHexModel(IGame g, Coords c, IHex h, TileTextureManager tileManager, SharedGroup shafts[]) {
        game = g;
        hex = h;
        Appearance base = new Appearance();
        base.setMaterial(normal);
        floor = new Shape3D(polygon, base);
        floor.setCapability(Shape3D.ALLOW_APPEARANCE_READ);
        floor.setCapability(Shape3D.ALLOW_APPEARANCE_WRITE);
        floor.setPickable(true);
        addChild(floor);

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  //the SimpleUniverse.
  public void createSceneGraph(SimpleUniverse su)
  {




    Appearance yellowApp = new Appearance();
    setToMyDefaultAppearance(yellowApp,new Color3f(0.5f,0.5f,0.0f));




    //The four vertices of the tetrahedron.
    Point3f[] tetrahedronCoordinates =

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    Color3f emissiveColourBox = new Color3f(0.0f,0.0f,0.0f);
    Color3f diffuseColourBox = new Color3f(0.0f,0.0f,0.7f);
    Color3f specularColourBox = new Color3f(0.0f,0.0f,0.8f);
    float shininessBox = 128.0f;


    Appearance boxApp = new Appearance();


    boxApp.setMaterial(new Material(ambientColourBox,emissiveColourBox,
                           diffuseColourBox,specularColourBox,shininessBox));




    //Generate the cube.
    float cubeHalfLength = 0.1f;
    Box moveBox = new Box(cubeHalfLength,cubeHalfLength,cubeHalfLength,boxApp);




    //The CollisionBounds for the cube.
    moveBox.setCollisionBounds(new BoundingBox(new Point3d(0.0,0.0,0.0),
                                               new Point3d(cubeHalfLength,
                                                           cubeHalfLength,
                                                           cubeHalfLength)));


    moveBox.setCollidable(true);


    //Position the cube and assign it to a transformation group.
    Transform3D tfBox = new Transform3D();
    tfBox.rotY(Math.PI/6);
    Transform3D rotationX = new Transform3D();
    rotationX.rotX(-Math.PI/5);
    tfBox.mul(rotationX);
    TransformGroup tgBox = new TransformGroup(tfBox);
    tgBox.addChild(moveBox);




    //These properties are needed to allow the cube to moved around the scene.
    tgBox.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    tgBox.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    tgBox.setCapability(TransformGroup.ENABLE_PICK_REPORTING);






    //Generate a golden Appearance for the cylinder.
    Color3f ambientColourCylinder = new Color3f(0.0f,0.0f,0.0f);
    Color3f emissiveColourCylinder = new Color3f(0.0f,0.0f,0.0f);
    Color3f diffuseColourCylinder = new Color3f(0.8f,0.4f,0.0f);
    Color3f specularColourCylinder = new Color3f(0.8f,0.8f,0.0f);
    float shininessCylinder = 100.0f;


    Appearance yellowCylinderApp = new Appearance();


    yellowCylinderApp.setMaterial(new Material(ambientColourCylinder,
                                               emissiveColourCylinder,
                                               diffuseColourCylinder,
                                               specularColourCylinder,
                                               shininessCylinder));




    //Generate the cylinder.
    Cylinder cyli = new Cylinder(0.1f,0.3f,yellowCylinderApp);


    //The CollisionBounds for the cylinder.
    cyli.setCollisionBounds(new BoundingBox(new Point3d(0.0,-0.15,0.0),
                                            new Point3d(0.1,0.15,0.1)));
    cyli.setCollidable(true);


    //Position the cylinder and assign it to a transformation group.
    Transform3D tfCylinder = new Transform3D();
    tfCylinder.mul(rotationX);
    Transform3D positionCyl = new Transform3D();
    positionCyl.setTranslation(new Vector3f(-0.7f,0.0f,0.0f));
    tfCylinder.mul(positionCyl);


    TransformGroup tgCylinder = new TransformGroup(tfCylinder);
    tgCylinder.addChild(cyli);


    //This transformation group is needed for the movement of the cylinder.
    TransformGroup tgmCyl = new TransformGroup();
    tgmCyl.addChild(tgCylinder);


    //The movement from left to right.
    Transform3D escape = new Transform3D();
    Alpha cylAlphaR = new Alpha(1,2000);


    //The starting time is first postponed until "infinity".
    cylAlphaR.setStartTime(Long.MAX_VALUE);


    //The interpolator for the movement.
    float maxRight = 0.5f;
    PositionInterpolator cylMoveR = new PositionInterpolator(cylAlphaR,tgmCyl,
                                                             escape,0.0f,maxRight);


    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0,0.0,0.0),Double.MAX_VALUE);
    cylMoveR.setSchedulingBounds(bounds);




    //The same for the movement from right to left.
    Alpha cylAlphaL = new Alpha(1,2000);
    cylAlphaL.setStartTime(Long.MAX_VALUE);


    PositionInterpolator cylMoveL = new PositionInterpolator(cylAlphaL,tgmCyl,
                                                             escape,maxRight,0.0f);


    cylMoveL.setSchedulingBounds(bounds);




    //Add the movements to the transformation group.
    tgmCyl.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    tgmCyl.addChild(cylMoveR);
    tgmCyl.addChild(cylMoveL);




    //A Switch for the green and the red sphere.
    Switch colourSwitch = new Switch();
    colourSwitch.setCapability(Switch.ALLOW_SWITCH_WRITE);


    //An Appearance for the green sphere.
    Color3f ambientColourGSphere = new Color3f(0.0f,0.8f,0.0f);
    Color3f emissiveColourGSphere = new Color3f(0.0f,0.0f,0.0f);
    Color3f diffuseColourGSphere = new Color3f(0.0f,0.8f,0.0f);
    Color3f specularColourGSphere = new Color3f(0.0f,0.8f,0.0f);
    float shininessGSphere = 1.0f;


    Appearance greenSphereApp = new Appearance();
    greenSphereApp.setMaterial(new Material(ambientColourGSphere,
                                            emissiveColourGSphere,
                                            diffuseColourGSphere,
                                            specularColourGSphere,
                                            shininessGSphere));


    //Generate the green sphere.
    float radius = 0.1f;
    Sphere greenSphere = new Sphere(radius,greenSphereApp);






    //The same for the red sphere.
    Color3f ambientColourRSphere = new Color3f(0.6f,0.0f,0.0f);
    Color3f emissiveColourRSphere = new Color3f(0.0f,0.0f,0.0f);
    Color3f diffuseColourRSphere = new Color3f(0.6f,0.0f,0.0f);
    Color3f specularColourRSphere = new Color3f(0.8f,0.0f,0.0f);
    float shininessRSphere = 20.0f;


    Appearance redSphereApp = new Appearance();


    redSphereApp.setMaterial(new Material(ambientColourRSphere,emissiveColourRSphere,
                             diffuseColourRSphere,specularColourRSphere,shininessRSphere));


    Sphere redSphere = new Sphere(radius,redSphereApp);

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    //Generate a copy of the chosen part.
    Shape3D extractedObject = (Shape3D) partOfTheObject.cloneTree();


    //Paint the part in blue.
    Appearance lightBlueApp = new Appearance();
    setToMyDefaultAppearance(lightBlueApp,new Color3f(0.0f,0.1f,0.3f));
    extractedObject.setAppearance(lightBlueApp);


    //Assign the chosen part to a transformation group.
    Transform3D tfObject = new Transform3D();

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    Color3f emissiveColourBox = new Color3f(0.0f,0.0f,0.0f);
    Color3f diffuseColourBox = new Color3f(0.8f,0.0f,0.0f);
    Color3f specularColourBox = new Color3f(1.0f,0.0f,0.0f);
    float shininessBox = 10.0f;


    Appearance boxApp = new Appearance();




    boxApp.setMaterial(new Material(ambientColourBox,emissiveColourBox,
                          diffuseColourBox,specularColourBox,shininessBox));








    Box myBox = new Box(0.2f,0.2f,0.2f,boxApp);


    //Rotate and shift the cube slightly.
    Transform3D tfBox = new Transform3D();
    tfBox.rotY(Math.PI/6);
    tfBox.rotX(Math.PI/9);
    Transform3D shift = new Transform3D();
    shift.setTranslation(new Vector3f(-0.6f,-0.2f,0.1f));
    tfBox.mul(shift);
    TransformGroup tgBox = new TransformGroup(tfBox);
    tgBox.addChild(myBox);








//***Generate a sphere ***


    //Generate an Appearance for the sphere.
    Color3f ambientColourSphere = new Color3f(0.2f,0.2f,0.0f);
    Color3f emissiveColourSphere = new Color3f(0.0f,0.0f,0.0f);
    Color3f diffuseColourSphere = new Color3f(0.4f,0.4f,0.0f);
    Color3f specularColourSphere = new Color3f(0.8f,0.8f,0.0f);
    float shininessSphere = 120.0f;


    Appearance sphereApp = new Appearance();


    sphereApp.setMaterial(new Material(ambientColourSphere,emissiveColourSphere,
                           diffuseColourSphere,specularColourSphere,shininessSphere));






    Sphere mySphere = new Sphere(0.3f,Sphere.GENERATE_NORMALS,100,sphereApp);

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            name = (String) enumer.nextElement();
            System.out.println("Name: " + name);
        }


        // Assign the colour blue to the part named "flugdeck".
        Appearance lightBlueApp = new Appearance();
        setToMyDefaultAppearance(lightBlueApp, new Color3f(0.0f, 0.1f, 0.3f));
        Shape3D partOfTheObject = (Shape3D) namedObjects.get("flugdeck");
        partOfTheObject.setAppearance(lightBlueApp);


        BranchGroup theScene = new BranchGroup();

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    Color3f specularColourFBox = new Color3f(0.8f,0.0f,0.0f);
    float shininessFBox = 128.0f;




    //The Appearance for the left cube.
    Appearance fBoxApp1 = new Appearance();


    fBoxApp1.setMaterial(new Material(ambientColourFBox,emissiveColourFBox,
                          diffuseColourFBox,specularColourFBox,shininessFBox));


    //Generate interpolated transparency.
    TransparencyAttributes ta1 = new TransparencyAttributes();
    ta1.setTransparencyMode(TransparencyAttributes.BLENDED);
    ta1.setTransparency(transparencyCoefficient);


    fBoxApp1.setTransparencyAttributes(ta1);




    //Generate a cube with interpolated transparency.
    Box fBox1 = new Box(cubeEdge,cubeEdge,cubeEdge,fBoxApp1);




    //Position the cube.
    Transform3D tfFBox1 = new Transform3D();
    Transform3D rotationX = new Transform3D();
    rotationX.rotX(-Math.PI/5);
    tfFBox1.mul(rotationX);


    //The transformation group for the cube.
    TransformGroup tgFBox1 = new TransformGroup(tfFBox1);
    tgFBox1.addChild(fBox1);






    //Generate a nontransparent Appearance for the spheres.
    Color3f ambientColourBSphere = new Color3f(0.0f,0.7f,0.0f);
    Color3f emissiveColourBSphere = new Color3f(0.0f,0.0f,0.0f);
    Color3f diffuseColourBSphere = new Color3f(0.0f,0.7f,0.0f);
    Color3f specularColourBSphere = new Color3f(0.0f,0.9f,0.0f);
    float shininessBSphere = 120.0f;


    Appearance bSphereApp = new Appearance();


    bSphereApp.setMaterial(new Material(ambientColourBSphere,emissiveColourBSphere,
                          diffuseColourBSphere,specularColourBSphere,shininessBSphere));


    //The left sphere and its transformation group.
    Sphere bSphere1 = new Sphere(radius,bSphereApp);


    Transform3D tfBSphere1 = new Transform3D();
    tfBSphere1.setTranslation(new Vector3f(xShiftSphere,sphereLift,sphereBackShift));
    TransformGroup tgBSphere1 = new TransformGroup(tfBSphere1);
    tgBSphere1.addChild(bSphere1);




    //The left cube and the left sphere are combined in one transformation group
    //in order to position them jointly.
    Transform3D tf1 = new Transform3D();
    tf1.setTranslation(new Vector3f(-xShift,0.0f,0.0f));
    TransformGroup tg1 = new TransformGroup(tf1);
    tg1.addChild(tgFBox1);
    tg1.addChild(tgBSphere1);




    //The right cube with sreen door transparency.
    Appearance fBoxApp2 = new Appearance();
    fBoxApp2.setMaterial(new Material(ambientColourFBox,emissiveColourFBox,
                          diffuseColourFBox,specularColourFBox,shininessFBox));


    //Generate screen door transparency.
    TransparencyAttributes ta2 = new TransparencyAttributes();
    ta2.setTransparencyMode(TransparencyAttributes.SCREEN_DOOR);
    ta2.setTransparency(transparencyCoefficient);


    fBoxApp2.setTransparencyAttributes(ta2);


    Box fBox2 = new Box(cubeEdge,cubeEdge,cubeEdge,fBoxApp2);




    //Position the cube.

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//*** The platform on which the helicopter stands ***
//*** and its transformation group.               ***


    //An Appearance to make the platform red.
    Appearance redApp = new Appearance();
    setToMyDefaultAppearance(redApp,new Color3f(0.8f,0.0f,0.0f));




    //Half edge length of the cube that represents the platform.
    float platformSize = 0.1f;


    //Generate the platform in the form of a cube.
    Box platform = new Box(platformSize,platformSize,platformSize,redApp);


    //A transformation rotating the platform a little bit.
    Transform3D tfPlatform = new Transform3D();
    tfPlatform.rotY(Math.PI/6);


    //The transformation group of the platform.
    TransformGroup tgPlatform = new TransformGroup(tfPlatform);
    tgPlatform.addChild(platform);










//*** The cockpit of the helicopter. ****


    //An Appearance to make the cockpit green.
    Appearance greenApp = new Appearance();
    setToMyDefaultAppearance(greenApp,new Color3f(0.0f,0.7f,0.0f));


    //The following lines enforce that objects with the
    //Appearance greenApp wil be displayed as wire frame models.
    PolygonAttributes polygAttr = new PolygonAttributes();
    polygAttr.setPolygonMode(PolygonAttributes.POLYGON_LINE);
    greenApp.setPolygonAttributes(polygAttr);






    //Radius of the cockpit.
    float cabinRadius = 0.1f;


    //Generate the cockpit in the form of a sphere.
    Sphere cabin = new Sphere(cabinRadius,greenApp);


    //The transformation group for the cockpit.
    //The cockpit first remains in the origin. Later on, the whole
    //helicopter is shifted onto the platform.
    TransformGroup tgCabin = new TransformGroup();
    tgCabin.addChild(cabin);




//*** The rotor blade of the helicopter. ***


    //An Appearance to make the rotor blade blue.
    Appearance blueApp = new Appearance();
    setToMyDefaultAppearance(blueApp,new Color3f(0.0f,0.0f,1.0f));


    //Generate the rotor blade in the form of a (very thin and long) box.
    Box rotor = new Box(0.4f,0.0001f,0.01f,blueApp);


    //A transformation placing the rotor blade on top of the cockpit.
    Transform3D tfRotor = new Transform3D();
    tfRotor.setTranslation(new Vector3f(0.0f,cabinRadius,0.0f));


    //The transformation group for the rotor blade.
    TransformGroup tgRotor = new TransformGroup(tfRotor);
    tgRotor.addChild(rotor);




//*** The tail of the helicopter. ***


    //Length of the tail.
    float halfTailLength = 0.2f;


    //Generate the tail in form of a green box.
    Box tail = new Box(halfTailLength,0.02f,0.02f,greenApp);


    //A transformation placing the tail at the end of the cockpit.
    Transform3D tfTail = new Transform3D();
    tfTail.setTranslation(new Vector3f(cabinRadius+halfTailLength,0.0f,0.0f));


    //The transformation group for the tail.
    TransformGroup tgTail = new TransformGroup(tfTail);
    tgTail.addChild(tail);






//*** The helicopter, assembled by the transformation groups  ***
//*** for the cockpit, the rotor blade and the tail.          ***
//*** Afterwards, the helicopter must be lifted onto the      ***
//*** platform.                                               ***


    //The transformation placing the helicopter on top of the platform.
    Transform3D tfHelicopter = new Transform3D();
    tfHelicopter.setTranslation(new Vector3f(0.0f,platformSize+cabinRadius,0.0f));


    //The transformation group for the helicopter.
    TransformGroup tgHelicopter = new TransformGroup(tfHelicopter);
    tgHelicopter.addChild(tgCabin);
    tgHelicopter.addChild(tgRotor);
    tgHelicopter.addChild(tgTail);




//*** The helicopter and the platform are joint together in one    ***
//*** transformation group in order to place them together         ***
//*** in the scene.                                                ***


    //The transformation for positioning the helicopter
    //together with the platform.
    Transform3D tfHeliPlat = new Transform3D();
    tfHeliPlat.setTranslation(new Vector3f(0.0f,0.1f,0.0f));


    //The transformation group for the helicopter together with the platform.
    TransformGroup tgHeliPlat = new TransformGroup(tfHeliPlat);
    tgHeliPlat.addChild(tgHelicopter);
    tgHeliPlat.addChild(tgPlatform);






//*** The tree trunk. ***


    //An Appearance to make the tree trunk brown.
    Appearance brownApp = new Appearance();
    setToMyDefaultAppearance(brownApp,new Color3f(0.5f,0.2f,0.2f));


    //Height of the tree trunk.
    float trunkHeight = 0.4f;

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