01: /*
02: * $RCSfile: TransparencySortGeom.java,v $
03: *
04: * Copyright (c) 2007 Sun Microsystems, Inc. All rights reserved.
05: *
06: * Redistribution and use in source and binary forms, with or without
07: * modification, are permitted provided that the following conditions
08: * are met:
09: *
10: * - Redistribution of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: *
13: * - Redistribution in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in
15: * the documentation and/or other materials provided with the
16: * distribution.
17: *
18: * Neither the name of Sun Microsystems, Inc. or the names of
19: * contributors may be used to endorse or promote products derived
20: * from this software without specific prior written permission.
21: *
22: * This software is provided "AS IS," without a warranty of any
23: * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
24: * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
25: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
26: * EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL
27: * NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF
28: * USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
29: * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR
30: * ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL,
31: * CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND
32: * REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR
33: * INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
34: * POSSIBILITY OF SUCH DAMAGES.
35: *
36: * You acknowledge that this software is not designed, licensed or
37: * intended for use in the design, construction, operation or
38: * maintenance of any nuclear facility.
39: *
40: * $Revision: 1.4 $
41: * $Date: 2007/02/09 17:20:42 $
42: * $State: Exp $
43: */
44:
45: package com.sun.j3d.utils.scenegraph.transparency;
46:
47: import javax.media.j3d.Geometry;
48: import javax.media.j3d.Shape3D;
49: import javax.media.j3d.Transform3D;
50:
51: /**
52: *
53: * The interface of the objects that should be compared to determine
54: * rendering order of transparent objects.
55: *
56: * The Comparator supplied by the user in TransparencySortController will
57: * be called with 2 objects that implement this interface.
58: *
59: * @since Java 3D 1.4
60: */
61: public interface TransparencySortGeom {
62:
63: /**
64: * Returns the Geometry for this object.
65: *
66: * @return geometry for this object
67: */
68: public Geometry getGeometry();
69:
70: /**
71: * Returns the distance squared of this object to the viewer.
72: *
73: * @return distancesquared to viewer
74: */
75: public double getDistanceSquared();
76:
77: /**
78: * Returns the LocalToVWorld transform for this object
79: *
80: * @param localToVW variable in which transform will be returned
81: */
82: public void getLocalToVWorld(Transform3D localToVW);
83:
84: /**
85: * Returns the Shape3D being rendered using this geometry.
86: *
87: * @return the Shape3D being rendered using this geometry
88: */
89: public Shape3D getShape3D();
90:
91: }
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