Example usage for javax.media.j3d LineArray setNormal

Introduction

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

Prototype

public void setNormal(int index, float normal[]) 

Source Link

Document

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

Usage

From source file:ffx.potential.MolecularAssembly.java

private Shape3D renderWire() {
    ArrayList<ROLS> bonds = getBondList();
    int numbonds = bonds.size();
    if (numbonds < 1) {
        return null;
    }/*from  ww  w .ja  v a 2s .  c o m*/

    Vector3d bondmidpoint = new Vector3d();
    double[] mid = { 0, 0, 0 };
    Vector3d v1 = new Vector3d();
    Vector3d v2 = new Vector3d();
    float[] a1 = { 0, 0, 0 };
    float[] a2 = { 0, 0, 0 };
    float[] col = new float[4];
    Bond bond;

    Atom atom1, atom2;
    LineArray la = new LineArray(4 * numbonds,
            GeometryArray.COORDINATES | GeometryArray.COLOR_4 | GeometryArray.NORMALS);
    la.setCapability(LineArray.ALLOW_COORDINATE_WRITE);
    la.setCapability(LineArray.ALLOW_COORDINATE_READ);
    la.setCapability(LineArray.ALLOW_COLOR_WRITE);
    la.setCapability(LineArray.ALLOW_COUNT_READ);
    la.setCapability(LineArray.ALLOW_INTERSECT);
    la.setCapability(LineArray.ALLOW_FORMAT_READ);
    atomLookUp = new Atom[4 * numbonds];
    int i = 0;
    col[3] = 0.9f;
    for (ListIterator li = bonds.listIterator(); li.hasNext();) {
        bond = (Bond) li.next();
        bond.setWire(la, i);
        atom1 = bond.getAtom(0);
        atom2 = bond.getAtom(1);
        atom1.getV3D(v1);
        atom2.getV3D(v2);
        a1[0] = (float) v1.x;
        a1[1] = (float) v1.y;
        a1[2] = (float) v1.z;
        a2[0] = (float) v2.x;
        a2[1] = (float) v2.y;
        a2[2] = (float) v2.z;
        // Find the bond center
        bondmidpoint.add(v1, v2);
        bondmidpoint.scale(0.5d);
        bondmidpoint.get(mid);
        // Atom #1
        Atom.AtomColor.get(atom1.getAtomicNumber()).get(col);
        atomLookUp[i] = atom1;
        la.setCoordinate(i, a1);
        la.setColor(i, col);
        la.setNormal(i, a2);
        i++;

        atomLookUp[i] = atom1;
        la.setCoordinate(i, mid);
        la.setColor(i, col);
        la.setNormal(i, a2);
        i++;
        // Atom #2

        Atom.AtomColor.get(atom2.getAtomicNumber()).get(col);
        atomLookUp[i] = atom2;
        la.setCoordinate(i, a2);
        la.setColor(i, col);
        la.setNormal(i, a1);
        i++;

        atomLookUp[i] = atom2;
        la.setCoordinate(i, mid);
        la.setColor(i, col);
        la.setNormal(i, a1);
        i++;

    }

    ColoringAttributes cola = new ColoringAttributes(new Color3f(), ColoringAttributes.SHADE_GOURAUD);
    Appearance app = new Appearance();
    lineAttributes = new LineAttributes();
    lineAttributes.setLineWidth(RendererCache.bondwidth);
    lineAttributes.setCapability(LineAttributes.ALLOW_WIDTH_WRITE);
    lineAttributes.setLineAntialiasingEnable(true);
    app.setLineAttributes(lineAttributes);
    app.setCapability(Appearance.ALLOW_LINE_ATTRIBUTES_READ);
    app.setCapability(Appearance.ALLOW_LINE_ATTRIBUTES_WRITE);
    RenderingAttributes ra = new RenderingAttributes();
    ra.setAlphaTestValue(0.1f);
    ra.setAlphaTestFunction(RenderingAttributes.GREATER);
    ra.setDepthBufferEnable(true);
    ra.setDepthBufferWriteEnable(true);
    app.setRenderingAttributes(ra);
    app.setColoringAttributes(cola);
    Shape3D wireframe = new Shape3D(la, app);
    // PickTool.setCapabilities(wire, PickTool.INTERSECT_COORD);
    wireframe.setUserData(this);
    wireframe.setBounds(new BoundingSphere(new Point3d(0, 0, 0), 1000.0));
    try {
        wireframe.setBoundsAutoCompute(false);
    } catch (Exception e) {
        e.printStackTrace();
    }

    wireframe.setCapability(Shape3D.ALLOW_GEOMETRY_READ);
    wireframe.setCapability(Shape3D.ALLOW_APPEARANCE_READ);
    wireframe.setCapability(Shape3D.ALLOW_LOCAL_TO_VWORLD_READ);
    return wireframe;
}

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