Example usage for javax.media.j3d PolygonAttributes setBackFaceNormalFlip

Introduction

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

Prototype

public void setBackFaceNormalFlip(boolean backFaceNormalFlip) 

Source Link

Document

Sets the back face normal flip flag to the specified value.

Usage

From source file:LightScopeApp.java

BranchGroup createScene() {
    BranchGroup scene = new BranchGroup();
    TransformGroup tableTG = new TransformGroup();
    TransformGroup lampTG = new TransformGroup();
    TransformGroup litBoxTG = new TransformGroup();
    TransformGroup unLitBoxTG = new TransformGroup();

    scene.addChild(tableTG);/*w w w.j  a va2 s .co  m*/
    tableTG.addChild(lampTG);
    tableTG.addChild(litBoxTG);
    tableTG.addChild(unLitBoxTG);

    Color3f white = new Color3f(1.0f, 1.0f, 1.0f);
    Color3f red = new Color3f(1.0f, 0.0f, 0.0f);
    Color3f blue = new Color3f(0.0f, 1.0f, 0.0f);
    Color3f green = new Color3f(0.0f, 0.0f, 1.0f);
    Color3f black = new Color3f(0.0f, 0.0f, 0.0f);

    Vector3f transVector = new Vector3f();
    Transform3D transTransform = new Transform3D();

    transVector.set(0.0f, -0.4f, 0.5f);
    transTransform.setTranslation(transVector);
    tableTG.setTransform(transTransform);

    transVector.set(-0.4f, 0.001f, 0.1f);
    transTransform.setTranslation(transVector);
    lampTG.setTransform(transTransform);

    transVector.set(-0.2f, 0.1f, 0.2f);
    transTransform.setTranslation(transVector);
    litBoxTG.setTransform(transTransform);

    transVector.set(0.3f, 0.1f, -0.4f);
    transTransform.setTranslation(transVector);
    unLitBoxTG.setTransform(transTransform);

    Shape3D tablePlane = createXZPlane(new Point3f(-1.0f, 0.0f, -1.0f), new Point3f(-1.0f, 0.0f, 1.0f),
            new Point3f(1.0f, 0.0f, 1.0f), new Point3f(1.0f, 0.0f, -1.0f));
    tablePlane.setAppearance(createMaterialAppearance(white));
    tableTG.addChild(tablePlane);
    litBoxTG.addChild(new Box(0.1f, 0.1f, 0.1f, Box.GENERATE_NORMALS, createMaterialAppearance(red)));
    Shape3D shadowPlane = createXZPlane(new Point3f(0.1f, -0.095f, -0.1f), new Point3f(0.1f, -0.095f, 0.1f),
            new Point3f(0.2f, -0.095f, 0.15f), new Point3f(0.2f, -0.095f, -0.15f));
    shadowPlane.setAppearance(createMaterialAppearance(black));
    litBoxTG.addChild(shadowPlane);

    Appearance redGlowMat = createMaterialAppearance(red);
    //    redGlowMat.getMaterial().setEmissiveColor(0.5f, 0.5f, 0.5f);
    unLitBoxTG.addChild(new Box(0.1f, 0.1f, 0.1f, Box.GENERATE_NORMALS, redGlowMat));

    Shape3D lamp = createLampShape();
    Appearance lampAppearance = createMaterialAppearance(blue);
    PolygonAttributes polyAttrib = new PolygonAttributes();
    polyAttrib.setCullFace(PolygonAttributes.CULL_NONE);
    polyAttrib.setBackFaceNormalFlip(true);
    lampAppearance.setPolygonAttributes(polyAttrib);
    lamp.setAppearance(lampAppearance);
    lampTG.addChild(lamp);

    PointLight lampLight = new PointLight();
    lampLight.setPosition(0.1f, 0.5f, -0.1f);
    lampLight.setInfluencingBounds(new BoundingSphere());
    lampTG.addChild(lampLight);

    Shape3D litPlane = createXZPlane(new Point3f(-0.4f, 0.0f, -0.4f), new Point3f(-0.4f, 0.0f, 0.4f),
            new Point3f(0.4f, 0.0f, 0.4f), new Point3f(0.4f, 0.0f, -0.4f));
    litPlane.setAppearance(createMaterialAppearance(white));
    lampTG.addChild(litPlane);

    lampLight.addScope(lampTG);
    lampLight.addScope(litBoxTG);

    AmbientLight lightA = new AmbientLight();
    lightA.setInfluencingBounds(new BoundingSphere());
    scene.addChild(lightA);

    DirectionalLight lightD1 = new DirectionalLight();
    lightD1.setInfluencingBounds(new BoundingSphere());
    lightD1.setColor(new Color3f(0.4f, 0.4f, 0.4f));
    Vector3f lightDir = new Vector3f(-1.0f, -1.0f, -1.0f);
    lightDir.normalize();
    lightD1.setDirection(lightDir);
    scene.addChild(lightD1);

    DirectionalLight lightD2 = new DirectionalLight();
    lightD2.setInfluencingBounds(new BoundingSphere());
    lightD2.setColor(new Color3f(0.2f, 0.2f, 0.2f));
    lightDir.set(1.0f, -1.0f, -1.0f);
    lightDir.normalize();
    lightD2.setDirection(lightDir);
    scene.addChild(lightD2);

    Background bg = new Background();
    bg.setColor(1.0f, 1.0f, 1.0f);
    bg.setApplicationBounds(new BoundingSphere());
    scene.addChild(bg);

    return scene;
}

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