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/*
* Copyright 1997-2008 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*
*/
package javax.media.j3d;
import javax.vecmath.Point3d;
import javax.vecmath.Point4d;
/**
* PickPoint is a pick shape defined as a single point. It can
* be used as an argument to the picking methods in BranchGroup and Locale.
*
* @see BranchGroup#pickAll
* @see Locale#pickAll
* @see PickBounds
*
* @deprecated As of Java 3D version 1.4, use PickBounds with a
* BoundingSphere that has a small radius.
*/
public final class PickPoint extends PickShape {
Point3d location;
/**
* Constructs a PickPoint using a default point.
* The point is initialized to (0,0,0).
*/
public PickPoint() {
location = new Point3d();
}
/**
* Constructs a PickPoint from the specified parameter.
* @param location the pick point.
*/
public PickPoint(Point3d location) {
this.location = new Point3d(location);
}
/**
* Sets the position of this PickPoint to the specified value.
* @param location the new pick point.
*/
public void set(Point3d location) {
this.location.x = location.x;
this.location.y = location.y;
this.location.z = location.z;
}
/**
* Gets the position of this PickPoint.
* @param location returns the current pick point.
*/
public void get(Point3d location) {
location.x = this.location.x;
location.y = this.location.y;
location.z = this.location.z;
}
/**
* Return true if shape intersect with bounds.
* The point of intersection is stored in pickPos.
*/
@Override
final boolean intersect(Bounds bounds, Point4d pickPos) {
return bounds.intersect(location, pickPos);
}
// Only use within J3D.
// Return a new PickPoint that is the transformed (t3d) of this pickPoint.
@Override
PickShape transform(Transform3D t3d) {
PickPoint newPPt = new PickPoint();
newPPt.location.x = location.x;
newPPt.location.y = location.y;
newPPt.location.z = location.z;
t3d.transform(newPPt.location);
return newPPt;
}
@Override
Point3d getStartPoint() {
return location;
}
@Override
int getPickType() {
return PICKPOINT;
}
}
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