Example usage for javax.media.j3d Billboard Billboard

Introduction

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

Prototype

public Billboard(TransformGroup tg, int mode, Point3f point) 

Source Link

Document

Constructs a Billboard node with the specified rotation point and mode that operates on the specified TransformGroup node.

Usage

From source file:BillboardTest.java

private TransformGroup createBillboard(String szText, Point3f locationPoint, int nMode, Point3f billboardPoint,
        BoundingSphere bounds) {// w ww.java 2 s.  c  o m
    TransformGroup subTg = new TransformGroup();
    subTg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);

    Font3D f3d = new Font3D(new Font("SansSerif", Font.PLAIN, 10), new FontExtrusion());
    Text3D label3D = new Text3D(f3d, szText, locationPoint);

    Appearance app = new Appearance();

    Color3f black = new Color3f(0.1f, 0.1f, 0.1f);
    Color3f objColor = new Color3f(0.2f, 0.2f, 0.2f);

    app.setMaterial(new Material(objColor, black, objColor, black, 90.0f));
    Shape3D sh = new Shape3D(label3D, app);

    subTg.addChild(sh);

    Billboard billboard = new Billboard(subTg, nMode, billboardPoint);
    billboard.setSchedulingBounds(bounds);
    subTg.addChild(billboard);

    return subTg;
}

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From source file:SimpleBillboard.java

/**
 * Build the content branch for the scene graph. This creates two cubes and
 * uses a billboard node to keep one face of one of the cubes facing the
 * viewer.// w  ww  .  j  a  v  a 2 s . com
 * 
 * @return BranchGroup that is the root of the content
 */
protected BranchGroup buildContentBranch() {
    //Create the appearance
    Appearance app = new Appearance();
    Color3f ambientColour = new Color3f(1.0f, 1.0f, 0.0f);
    Color3f emissiveColour = new Color3f(0.0f, 0.0f, 0.0f);
    Color3f specularColour = new Color3f(1.0f, 1.0f, 1.0f);
    Color3f diffuseColour = new Color3f(1.0f, 1.0f, 0.0f);
    float shininess = 20.0f;
    app.setMaterial(new Material(ambientColour, emissiveColour, diffuseColour, specularColour, shininess));
    //Make the cubes
    Box leftCube = new Box(1.0f, 1.0f, 1.0f, app);
    ColorCube rightCube = new ColorCube();
    //Create the transformgroup used for the billboard
    TransformGroup billBoardGroup = new TransformGroup();
    //Set the access rights to the group
    billBoardGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    //Add the cube to the group
    billBoardGroup.addChild(rightCube);
    //Create and activate the billboard
    Billboard myBillboard = new Billboard(billBoardGroup, Billboard.ROTATE_ABOUT_AXIS,
            new Vector3f(0.0f, 1.0f, 0.0f));
    myBillboard.setSchedulingBounds(bounds);
    BranchGroup contentBranch = new BranchGroup();
    contentBranch.addChild(myBillboard);
    addLights(contentBranch);
    //Position the cubes
    TransformGroup bothGroup = new TransformGroup();
    Transform3D leftGroupXfm = new Transform3D();
    leftGroupXfm.set(new Vector3d(-1.5, 0.0, 0.0));
    TransformGroup leftGroup = new TransformGroup(leftGroupXfm);
    Transform3D rightGroupXfm = new Transform3D();
    rightGroupXfm.set(new Vector3d(1.5, 0.0, 0.0));
    TransformGroup rightGroup = new TransformGroup(rightGroupXfm);
    //Put it all together
    bothGroup.addChild(leftGroup);
    leftGroup.addChild(leftCube);
    bothGroup.addChild(rightGroup);
    rightGroup.addChild(billBoardGroup);
    contentBranch.addChild(bothGroup);
    return contentBranch;

}

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