/**
* Check if the geometry component of this shape node under path intersects with the pickRay.
*
* @return true if intersected else false. If return is true, dist contains the closest distance
* of intersection.
* @exception IllegalArgumentException if <code>path</code> is invalid.
*/
boolean intersect(SceneGraphPath path, PickShape pickShape, double[] dist) {
int flags;
PickInfo pickInfo = new PickInfo();
Transform3D localToVworld = path.getTransform();
if (localToVworld == null) {
throw new IllegalArgumentException(J3dI18N.getString("Shape3DRetained3"));
}
pickInfo.setLocalToVWorldRef(localToVworld);
Shape3D shape = (Shape3D) path.getObject();
// Get the geometries for this shape only, since the compiled
// geomtryList contains several shapes
ArrayList glist = (ArrayList) geometryInfo.get(shape.id);
// System.err.println("Shape3DCompileRetained.intersect() : ");
if (dist == null) {
// System.err.println(" no dist request ....");
return intersect(pickInfo, pickShape, 0, glist);
}
flags = PickInfo.CLOSEST_DISTANCE;
if (intersect(pickInfo, pickShape, flags, glist)) {
dist[0] = pickInfo.getClosestDistance();
return true;
}
return false;
}
