Example usage for javax.media.j3d PolygonAttributes CULL_BACK

Introduction

In this page you can find the example usage for javax.media.j3d PolygonAttributes CULL_BACK.

Prototype

int CULL_BACK

To view the source code for javax.media.j3d PolygonAttributes CULL_BACK.

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Document

Cull all back-facing polygons.

Usage

From source file:PolygonOffset.java

public BranchGroup createSceneGraph() {
    // Create the root of the branch graph
    BranchGroup objRoot = new BranchGroup();

    // Create the transform group node and initialize it to the
    // identity. Enable the TRANSFORM_WRITE capability so that
    // our behavior code can modify it at runtime. Add it to the
    // root of the subgraph.
    TransformGroup objTrans = new TransformGroup();
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    objRoot.addChild(objTrans);//  w  w  w. j  a  v a  2s.  c om

    // Create a Sphere. We will display this as both wireframe and
    // solid to make a hidden line display
    // wireframe
    Appearance wireApp = new Appearance();

    ColoringAttributes wireCa = new ColoringAttributes();
    wireCa.setColor(black);
    wireApp.setColoringAttributes(wireCa);
    wirePa = new PolygonAttributes(PolygonAttributes.POLYGON_LINE, PolygonAttributes.CULL_BACK, 0.0f);
    wireApp.setPolygonAttributes(wirePa);
    Sphere outWireSphere = new Sphere(sphereRadius, 0, 15, wireApp);
    objTrans.addChild(outWireSphere);

    // solid
    ColoringAttributes outCa = new ColoringAttributes(red, ColoringAttributes.SHADE_FLAT);
    Appearance outSolid = new Appearance();
    outSolid.setColoringAttributes(outCa);
    solidPa = new PolygonAttributes(PolygonAttributes.POLYGON_FILL, PolygonAttributes.CULL_BACK, 0.0f);
    solidPa.setPolygonOffsetFactor(dynamicOffset);
    solidPa.setPolygonOffset(staticOffset);
    solidPa.setCapability(PolygonAttributes.ALLOW_OFFSET_WRITE);
    outSolid.setPolygonAttributes(solidPa);
    Sphere outSolidSphere = new Sphere(sphereRadius, 0, 15, outSolid);
    objTrans.addChild(outSolidSphere);

    innerTG = new TransformGroup();
    innerTG.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    scale = new Transform3D();
    updateInnerScale();
    objTrans.addChild(innerTG);

    // Create a smaller sphere to go inside. This sphere has a different
    // tesselation and color
    Sphere inWireSphere = new Sphere(sphereRadius, 0, 10, wireApp);
    innerTG.addChild(inWireSphere);

    // inside solid
    ColoringAttributes inCa = new ColoringAttributes(blue, ColoringAttributes.SHADE_FLAT);
    Appearance inSolid = new Appearance();
    inSolid.setColoringAttributes(inCa);
    inSolid.setPolygonAttributes(solidPa);
    Sphere inSolidSphere = new Sphere(sphereRadius, 0, 10, inSolid);
    innerTG.addChild(inSolidSphere);

    // Create a new Behavior object that will perform the desired
    // operation on the specified transform object and add it into
    // the scene graph.
    AxisAngle4f axisAngle = new AxisAngle4f(0.0f, 0.0f, 1.0f, -(float) Math.PI / 2.0f);
    Transform3D yAxis = new Transform3D();
    Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 80000, 0, 0, 0, 0, 0);

    RotationInterpolator rotator = new RotationInterpolator(rotationAlpha, objTrans, yAxis, 0.0f,
            (float) Math.PI * 2.0f);
    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);
    rotator.setSchedulingBounds(bounds);
    objTrans.addChild(rotator);

    // set up a white background
    Background bgWhite = new Background(new Color3f(1.0f, 1.0f, 1.0f));
    bgWhite.setApplicationBounds(bounds);
    objTrans.addChild(bgWhite);

    // Have Java 3D perform optimizations on this scene graph.
    objRoot.compile();

    return objRoot;
}

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From source file:ViewProj.java

public BranchGroup createSceneGraph() {
    // Create the root of the branch graph
    BranchGroup objRoot = new BranchGroup();

    // Create the transform group node and initialize it to the
    // identity. Enable the TRANSFORM_WRITE capability so that
    // our behavior code can modify it at runtime. Add it to the
    // root of the subgraph.
    TransformGroup objTrans = new TransformGroup();
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    objRoot.addChild(objTrans);/*  w  ww. j  av a 2s. co m*/

    // Create a Sphere. We will display this as both wireframe and
    // solid to make a hidden line display
    // wireframe
    Appearance wireApp = new Appearance();
    ColoringAttributes ca = new ColoringAttributes(black, ColoringAttributes.SHADE_FLAT);
    wireApp.setColoringAttributes(ca);
    wirePa = new PolygonAttributes(PolygonAttributes.POLYGON_LINE, PolygonAttributes.CULL_BACK, 0.0f);
    wireApp.setPolygonAttributes(wirePa);
    Sphere outWireSphere = new Sphere(sphereRadius, 0, 10, wireApp);
    objTrans.addChild(outWireSphere);

    // solid
    ColoringAttributes outCa = new ColoringAttributes(red, ColoringAttributes.SHADE_FLAT);
    Appearance outSolid = new Appearance();
    outSolid.setColoringAttributes(outCa);
    solidPa = new PolygonAttributes(PolygonAttributes.POLYGON_FILL, PolygonAttributes.CULL_BACK, 0.0f);
    solidPa.setPolygonOffsetFactor(dynamicOffset);
    solidPa.setPolygonOffset(staticOffset);
    solidPa.setCapability(PolygonAttributes.ALLOW_OFFSET_WRITE);
    outSolid.setPolygonAttributes(solidPa);
    Sphere outSolidSphere = new Sphere(sphereRadius, 0, 10, outSolid);
    objTrans.addChild(outSolidSphere);

    innerTG = new TransformGroup();
    innerTG.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    scale = new Transform3D();
    updateInnerScale();
    objTrans.addChild(innerTG);

    // Create a smaller sphere to go inside. This sphere has a different
    // tesselation and color
    Sphere inWireSphere = new Sphere(sphereRadius, 0, 15, wireApp);
    innerTG.addChild(inWireSphere);

    // inside solid
    ColoringAttributes inCa = new ColoringAttributes(blue, ColoringAttributes.SHADE_FLAT);
    Appearance inSolid = new Appearance();
    inSolid.setColoringAttributes(inCa);
    inSolid.setPolygonAttributes(solidPa);
    Sphere inSolidSphere = new Sphere(sphereRadius, 0, 15, inSolid);
    innerTG.addChild(inSolidSphere);

    // Create a new Behavior object that will perform the desired
    // operation on the specified transform object and add it into
    // the scene graph.
    AxisAngle4f axisAngle = new AxisAngle4f(0.0f, 0.0f, 1.0f, -(float) Math.PI / 2.0f);
    Transform3D yAxis = new Transform3D();
    Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 80000, 0, 0, 0, 0, 0);

    RotationInterpolator rotator = new RotationInterpolator(rotationAlpha, objTrans, yAxis, 0.0f,
            (float) Math.PI * 2.0f);
    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);
    rotator.setSchedulingBounds(bounds);
    //objTrans.addChild(rotator);

    Background bgWhite = new Background(white);
    bgWhite.setApplicationBounds(bounds);
    objTrans.addChild(bgWhite);

    // Have Java 3D perform optimizations on this scene graph.
    objRoot.compile();

    return objRoot;
}

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From source file:AppearanceTest.java

public void onBack() {
    getPolygonAttributes().setCullFace(PolygonAttributes.CULL_BACK);
}

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From source file:AppearanceExplorer.java

PolygonAttributesEditor(PolygonAttributes init) {
    super(BoxLayout.Y_AXIS);
    polygonAttr = init;/*from w w w  . j av a  2 s .  c o m*/
    polygonMode = polygonAttr.getPolygonMode();
    cullFace = polygonAttr.getCullFace();
    polygonOffset = polygonAttr.getPolygonOffset();
    polygonOffsetFactor = polygonAttr.getPolygonOffsetFactor();
    backFaceNormalFlip = polygonAttr.getBackFaceNormalFlip();

    String[] modeNames = { "POLYGON_POINT", "POLYGON_LINE", "POLYGON_FILL", };
    int[] modeValues = { PolygonAttributes.POLYGON_POINT, PolygonAttributes.POLYGON_LINE,
            PolygonAttributes.POLYGON_FILL, };
    IntChooser modeChooser = new IntChooser("Mode:", modeNames, modeValues, polygonMode);
    modeChooser.addIntListener(new IntListener() {
        public void intChanged(IntEvent event) {
            polygonMode = event.getValue();
            polygonAttr.setPolygonMode(polygonMode);
        }
    });
    add(modeChooser);

    String[] cullNames = { "CULL_NONE", "CULL_BACK", "CULL_FRONT", };
    int[] cullValues = { PolygonAttributes.CULL_NONE, PolygonAttributes.CULL_BACK,
            PolygonAttributes.CULL_FRONT, };
    IntChooser cullChooser = new IntChooser("Cull:", cullNames, cullValues, cullFace);
    cullChooser.addIntListener(new IntListener() {
        public void intChanged(IntEvent event) {
            cullFace = event.getValue();
            polygonAttr.setCullFace(cullFace);
        }
    });
    add(cullChooser);

    FloatLabelJSlider polygonOffsetSlider = new FloatLabelJSlider("Offset", 0.1f, 0.0f, 2.0f, polygonOffset);
    polygonOffsetSlider.setMajorTickSpacing(1.0f);
    polygonOffsetSlider.setPaintTicks(true);
    polygonOffsetSlider.addFloatListener(new FloatListener() {
        public void floatChanged(FloatEvent e) {
            polygonOffset = e.getValue();
            polygonAttr.setPolygonOffset(polygonOffset);
        }
    });
    add(polygonOffsetSlider);

    LogFloatLabelJSlider polygonOffsetFactorSlider = new LogFloatLabelJSlider("Offset Factor", 0.1f, 10000.0f,
            polygonOffsetFactor);
    polygonOffsetFactorSlider.addFloatListener(new FloatListener() {
        public void floatChanged(FloatEvent e) {
            polygonOffsetFactor = e.getValue();
            polygonAttr.setPolygonOffsetFactor(polygonOffsetFactor);
        }
    });
    add(polygonOffsetFactorSlider);

    JCheckBox backFaceNormalFlipCheckBox = new JCheckBox("BackFaceNormalFlip", backFaceNormalFlip);
    backFaceNormalFlipCheckBox.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            JCheckBox checkbox = (JCheckBox) e.getSource();
            backFaceNormalFlip = checkbox.isSelected();
            polygonAttr.setBackFaceNormalFlip(backFaceNormalFlip);
        }
    });
    // no ablity to change without replcing polygon attributes
    backFaceNormalFlipCheckBox.setEnabled(false);

    add(new LeftAlignComponent(backFaceNormalFlipCheckBox));
}

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