01: /*
02: * $RCSfile: LwLightObject.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 17:20:07 $
42: * $State: Exp $
43: */
44:
45: package com.sun.j3d.loaders.lw3d;
46:
47: import javax.vecmath.Color3f;
48: import javax.media.j3d.Light;
49:
50: /**
51: * This class is used to set the Light Intensity value according to the
52: * keyframe value of the envelope for that light. The class is used in
53: * conjunction with LightIntensityPathInterpolator, which uses this
54: * class as the target of its interpolations.
55: */
56:
57: class LwLightObject {
58:
59: float intensity;
60: Color3f color;
61: Light theLight;
62:
63: LwLightObject(Light theLight, float intensity, Color3f color) {
64: this .intensity = intensity;
65: this .color = color;
66: this .theLight = theLight;
67: }
68:
69: void setIntensity(float intensity) {
70: Color3f newLightColor = new Color3f(color.x * intensity,
71: color.y * intensity, color.z * intensity);
72: if (theLight != null)
73: theLight.setColor(newLightColor);
74: this .intensity = intensity;
75: }
76:
77: void setColor(Color3f color) {
78: Color3f newLightColor = new Color3f(color.x * intensity,
79: color.y * intensity, color.z * intensity);
80: if (theLight != null)
81: theLight.setColor(newLightColor);
82: this .color = color;
83: }
84:
85: void setLight(Light l) {
86: theLight = l;
87: Color3f newLightColor = new Color3f(color.x * intensity,
88: color.y * intensity, color.z * intensity);
89: if (theLight != null)
90: theLight.setColor(newLightColor);
91: }
92: }
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