Example usage for javax.media.j3d BoundingSphere BoundingSphere

Introduction

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

Prototype

public BoundingSphere(Point3d center, double radius)

Source Link

Document

Constructs and initializes a BoundingSphere from a center and radius.

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 w w w .  j  a  v  a2  s.com

    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;
}