1 /*****************************************************************************
2 * Virtual Mockup for Machine Vision
3 * Copyright (C) 2001-2003 Fabio R. de Miranda, João E. Kogler Jr.,
4 * Carlos S. Santos.
5 * Virtual Mockup for Machine Vision Project funded by SENAC-SP
6 *
7 * Permission is granted to redistribute and/or modify this
8 * software under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This software is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License (http://www.gnu.org/copyleft/lesser.html)
16 * for more details.
17 *
18 *****************************************************************************/
19
20 package camera3d.action;
21
22
23 import camera3d.VcPointLight;
24
25 /***
26 * Action for changing the attenuation parameter of a given point light.
27 * @author Fábio Roberto de Miranda
28 * @version 1.0
29 */
30 public class PointLightAttenuationAction extends VcLightAction {
31
32 private VcPointLight pointLight;
33 private double constant;
34 private double linear;
35 private double quadratic;
36
37 public PointLightAttenuationAction(VcPointLight pointLight, double constant, double linear, double quadratic) {
38 this.pointLight = pointLight;
39 this.constant = constant;
40 this.linear = linear;
41 this.quadratic = quadratic;
42 }
43
44 public void doAction(ActionExecutor executor) {
45 pointLight.setAttenuation(constant,linear,quadratic);
46 }
47 }
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