Example usage for javax.media.j3d GeometryArray setNormal

Introduction

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

Prototype

public void setNormal(int index, Vector3f normal) 

Source Link

Document

Sets the normal associated with the vertex at the specified index for this object.

Usage

From source file:AppearanceTest.java

protected BranchGroup createSceneBranchGroup() {
    BranchGroup objRoot = super.createSceneBranchGroup();

    TransformGroup zoomTg = new TransformGroup();
    zoomTg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    zoomTg.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);

    // attach a navigation behavior to the position of the viewer
    KeyNavigatorBehavior key = new KeyNavigatorBehavior(zoomTg);
    key.setSchedulingBounds(createApplicationBounds());
    key.setEnable(true);/*w w w  . ja v a 2 s.  co  m*/
    objRoot.addChild(key);

    // create a TransformGroup to flip the hand onto its end and enlarge it.
    TransformGroup objTrans1 = new TransformGroup();
    Transform3D tr = new Transform3D();
    objTrans1.getTransform(tr);
    tr.setEuler(new Vector3d(0.5 * Math.PI, 0.6, 0));
    objTrans1.setTransform(tr);

    // Set up the global lights
    Color3f lColor1 = new Color3f(0.7f, 0.7f, 0.7f);
    Vector3f lDir1 = new Vector3f(-1.0f, -1.0f, -1.0f);
    Color3f alColor = new Color3f(0.2f, 0.2f, 0.2f);

    AmbientLight aLgt = new AmbientLight(alColor);
    aLgt.setInfluencingBounds(getApplicationBounds());
    DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1);
    lgt1.setInfluencingBounds(getApplicationBounds());

    objRoot.addChild(aLgt);
    objRoot.addChild(lgt1);

    int nScale = 50;

    Box box = new Box(nScale, nScale, nScale, Primitive.GENERATE_NORMALS | Primitive.GENERATE_TEXTURE_COORDS,
            m_Appearance);

    Shape3D frontFace = box.getShape(Box.LEFT);

    // create a new left face so we can
    // assign per-vertex colors

    GeometryArray geometry = new QuadArray(4, GeometryArray.COORDINATES | GeometryArray.NORMALS
            | GeometryArray.COLOR_4 | GeometryArray.TEXTURE_COORDINATE_2);

    nScale = 40;

    final float[] verts = {
            // left face
            -1.0f * nScale, -1.0f * nScale, 1.0f * nScale, -1.0f * nScale, 1.0f * nScale, 1.0f * nScale,
            -1.0f * nScale, 1.0f * nScale, -1.0f * nScale, -1.0f * nScale, -1.0f * nScale, -1.0f * nScale };

    final float[] colors = {
            // left face
            1, 0, 0, 0, 0, 1, 0, 0.2f, 0, 0, 1, 0.8f, 0, 0, 0, 1, };

    float[] tcoords = {
            // left
            1, 0, 1, 1, 0, 1, 0, 0 };

    Vector3f normalVector = new Vector3f(-1.0f, 0.0f, 0.0f);

    geometry.setColors(0, colors, 0, 4);

    for (int n = 0; n < 4; n++)
        geometry.setNormal(n, normalVector);

    geometry.setTextureCoordinates(0, tcoords, 0, 4);

    geometry.setCoordinates(0, verts);

    frontFace.setGeometry(geometry);

    // connect the scenegraph
    objTrans1.addChild(box);
    zoomTg.addChild(objTrans1);
    objRoot.addChild(zoomTg);

    return objRoot;
}

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