I apologize in advance if this is a novice question, but I am a Java3D
novice. I wish to create some complex geometries using Shape3D, but I seem
to be confined to one geometric type when doing so (e.g., QuadArray, or
TriangleArray). For example, creating a simple bridge stansion for a
driving simulator would be relatively easy if I were to use Primitive, and
compose the stansion of several Box objects added as children to a
TransformGroup which is then added to the Primitive object. The extension
of this architecture to the creation of the entire bridge seems
straightforward enough. However, if I were to use a Shape3D object, the
stansion itself changes from several simple Boxes to an enormous QuadArray.
The bridge would then become a much larger multiple of this situation. My
question is this: Can a Shape3D object be composed of more than one
geometric type, and if so how? Can it include Primitives? Something along
the lines of the pseduo-code below, is what I am hoping for, I guess.
MyShape extends Shape3D {
private Box myBox;
private Cylinder myCylinder;
private QuadArray myQuad;
private TriangleArray myTriad;
public MyShape() {
this.setGeometry(createGeometry());
}
Geometry createGeometry() {
// create a Cylinder, a Box, the QuadArray, and the TriangleArray
// return some composite geometry
}
}
Thanks,
John Chisholm
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