de.grogra.vecmath.geom
Class UnionBase

java.lang.Object
  de.grogra.vecmath.geom.VolumeBase
      de.grogra.vecmath.geom.CompoundVolume
          de.grogra.vecmath.geom.UnionBase

All Implemented Interfaces:

Volume

Direct Known Subclasses:

CSGUnion, OctreeUnion, SimpleUnion

public abstract class UnionBase
extends CompoundVolume

This abstract class is the base class for unions of volumes.

Author:

Ole Kniemeyer

Field Summary

Fields inherited from class de.grogra.vecmath.geom.CompoundVolume

volumes

Constructor Summary

UnionBase()

Method Summary

boolean	contains(Tuple3d point, boolean open) Determines if the given point lies within this object.
void	getExtent(Tuple3d min, Tuple3d max, Variables temp) Computes the extent of this volume, i.e., an axis-aligned bounding box between min and max.

Methods inherited from class de.grogra.vecmath.geom.CompoundVolume

boxContainsBoundary, computeNormal, computeTangents, computeUV

Methods inherited from class de.grogra.vecmath.geom.VolumeBase

addConvexIntersections, getId, operator$and, operator$com, operator$or, operator$sub, setId

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface de.grogra.vecmath.geom.Volume

computeIntersections

Constructor Detail

UnionBase

public UnionBase()

Method Detail

contains

public boolean contains(Tuple3d point,
                        boolean open)

Description copied from interface: Volume

Determines if the given point lies within this object. If open is true, the interior of the volume is considered (the largest open set contained in the volume, i.e., excluding the boundary), otherwise the closure of the volume.

Parameters:

point - a point in global world coordinates

open - consider open or closed set

Returns:

true iff point is an element of the set

getExtent

public void getExtent(Tuple3d min,
                      Tuple3d max,
                      Variables temp)

Description copied from interface: Volume

Computes the extent of this volume, i.e., an axis-aligned bounding box between min and max.

Parameters:

min - minimum coordinates of bounding box are placed in here

max - maximum coordinates of bounding box are placed in here

temp - has to be provided by the invoker, may be used in implementations