Example usage for javax.media.j3d Shape3D Shape3D

Introduction

In this page you can find the example usage for javax.media.j3d Shape3D Shape3D.

Prototype

public Shape3D(Geometry geometry) 

Source Link

Document

Constructs and initializes a Shape3D node with the specified geometry component and a null appearance component.

Usage

From source file:CuboidTest.java

/**
 * Constructs a Cuboid of a given dimension, flags, and appearance.
 * /*from   w  ww. j  a v  a  2s.  co m*/
 * @param xdim
 *            X-dimension size.
 * @param ydim
 *            Y-dimension size.
 * @param zdim
 *            Z-dimension size.
 * @param primflags
 *            primitive flags.
 * @param ap
 *            Appearance
 */

public Cuboid(float xdim, float ydim, float zdim, int primflags, Appearance ap) {
    int i;
    double sign;

    xDim = xdim;
    yDim = ydim;
    zDim = zdim;
    flags = primflags;

    //Depending on whether normal inward bit is set.
    if ((flags & GENERATE_NORMALS_INWARD) != 0)
        sign = -1.0;
    else
        sign = 1.0;

    TransformGroup objTrans = new TransformGroup();
    objTrans.setCapability(ALLOW_CHILDREN_READ);
    this.addChild(objTrans);

    Shape3D shape[] = new Shape3D[6];

    for (i = FRONT; i <= BOTTOM; i++) {
        OldGeomBuffer gbuf = new OldGeomBuffer(4);

        gbuf.begin(OldGeomBuffer.QUAD_STRIP);
        for (int j = 0; j < 2; j++) {
            gbuf.normal3d((double) normals[i].x * sign, (double) normals[i].y * sign,
                    (double) normals[i].z * sign);
            gbuf.texCoord2d(tcoords[i * 8 + j * 2], tcoords[i * 8 + j * 2 + 1]);
            gbuf.vertex3d((double) verts[i * 12 + j * 3] * xdim, (double) verts[i * 12 + j * 3 + 1] * ydim,
                    (double) verts[i * 12 + j * 3 + 2] * zdim);
        }
        for (int j = 3; j > 1; j--) {
            gbuf.normal3d((double) normals[i].x * sign, (double) normals[i].y * sign,
                    (double) normals[i].z * sign);
            gbuf.texCoord2d(tcoords[i * 8 + j * 2], tcoords[i * 8 + j * 2 + 1]);
            gbuf.vertex3d((double) verts[i * 12 + j * 3] * xdim, (double) verts[i * 12 + j * 3 + 1] * ydim,
                    (double) verts[i * 12 + j * 3 + 2] * zdim);
        }
        gbuf.end();
        shape[i] = new Shape3D(gbuf.getGeom(flags));
        numVerts = gbuf.getNumVerts();
        numTris = gbuf.getNumTris();

        if ((flags & ENABLE_APPEARANCE_MODIFY) != 0) {
            (shape[i]).setCapability(Shape3D.ALLOW_APPEARANCE_READ);
            (shape[i]).setCapability(Shape3D.ALLOW_APPEARANCE_WRITE);
        }

        objTrans.addChild(shape[i]);
    }

    if (ap == null) {
        setAppearance();
    } else
        setAppearance(ap);
}

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