01: /*
02: * $RCSfile: Time.java,v $
03: *
04: * @(#)Time.java 1.12 99/03/09 16:35:49
05: *
06: * Copyright (c) 1996-1998 Sun Microsystems, Inc. All Rights Reserved.
07: *
08: * Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
09: * modify and redistribute this software in source and binary code form,
10: * provided that i) this copyright notice and license appear on all copies of
11: * the software; and ii) Licensee does not utilize the software in a manner
12: * which is disparaging to Sun.
13: *
14: * This software is provided "AS IS," without a warranty of any kind. ALL
15: * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
16: * IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
17: * NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
18: * LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
19: * OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
20: * LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
21: * INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
22: * CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
23: * OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
24: * POSSIBILITY OF SUCH DAMAGES.
25: *
26: * This software is not designed or intended for use in on-line control of
27: * aircraft, air traffic, aircraft navigation or aircraft communications; or in
28: * the design, construction, operation or maintenance of any nuclear
29: * facility. Licensee represents and warrants that it will not use or
30: * redistribute the Software for such purposes.
31: *
32: * $Revision: 1.2 $
33: * $Date: 2005/02/03 23:07:03 $
34: * $State: Exp $
35: */
36: /*
37: * @Author: Rick Goldberg
38: * @Author: Doug Gehringer
39: *
40: */
41: package org.jdesktop.j3d.loaders.vrml97.impl;
42:
43: /** Description of the Class */
44: public class Time {
45:
46: static double systemInit = 0.0;
47: static long lastTimeMillis = 0;
48:
49: /** Sets the systemInitTime attribute of the Time class */
50: public static void setSystemInitTime() {
51: long curTimeMillis = System.currentTimeMillis();
52:
53: systemInit = curTimeMillis / 1000.0d;
54:
55: lastTimeMillis = curTimeMillis;
56:
57: }
58:
59: /**
60: * Gets the now attribute of the Time class
61: *
62: *@return The now value
63: */
64: public static double getNow() {
65: long curTimeMillis = System.currentTimeMillis();
66:
67: // Make sure we don't ever return the same timestamp for two
68: // separate calls
69: if (curTimeMillis == lastTimeMillis) {
70: curTimeMillis++;
71: }
72: lastTimeMillis = curTimeMillis;
73:
74: return ((curTimeMillis / 1000.0d) - systemInit);
75: }
76:
77: }
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