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SoSpotLight.h
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1/*
2 *
3 * Copyright (C) 2000 Silicon Graphics, Inc. All Rights Reserved.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * Further, this software is distributed without any warranty that it is
16 * free of the rightful claim of any third person regarding infringement
17 * or the like. Any license provided herein, whether implied or
18 * otherwise, applies only to this software file. Patent licenses, if
19 * any, provided herein do not apply to combinations of this program with
20 * other software, or any other product whatsoever.
21 *
22 * You should have received a copy of the GNU Lesser General Public
23 * License along with this library; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 *
26 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
27 * Mountain View, CA 94043, or:
28 *
29 * http://www.sgi.com
30 *
31 * For further information regarding this notice, see:
32 *
33 * http://oss.sgi.com/projects/GenInfo/NoticeExplan/
34 *
35 */
36
37
38/*
39 * Copyright (C) 1990,91 Silicon Graphics, Inc.
40 *
41 _______________________________________________________________________
42 ______________ S I L I C O N G R A P H I C S I N C . ____________
43 |
44 | $Revision: 1.1.1.1 $
45 |
46 | Description:
47 | This file defines the SoSpotLight node class.
48 |
49 | Author(s) : Paul S. Strauss
50 |
51 ______________ S I L I C O N G R A P H I C S I N C . ____________
52 _______________________________________________________________________
53 */
54
55#ifndef _SO_SPOT_LIGHT_
56#define _SO_SPOT_LIGHT_
57
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104 public:
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131 SoEXTENDER public:
133 virtual void GLRender(SoGLRenderAction *action);
134
135 SoINTERNAL public:
136 static void initClass();
137
138 protected:
139 virtual ~SoSpotLight();
140};
141
142#endif /* _SO_SPOT_LIGHT_ */
#define SoEXTENDER
Provide inline template functions for abs, swap, min, max, and clamp.
Definition SbBasic.h:154
#define SoINTERNAL
Definition SbBasic.h:155
#define INVENTOR_API
Disable some annoying warnings on MSVC 6.
Definition SbSystem.h:77
#define SO_NODE_HEADER(className)
Non-abstract classes have everything abstract classes have, plus a way to create an instance.
Definition SoSubNode.h:170
Renders a scene graph using OpenGL.
Abstract base class for all light source nodes.
Definition SoLight.h:90
Field containing a floating-point value.
Definition SoSFFloat.h:77
Field containing a three-dimensional vector.
Definition SoSFVec3f.h:79
Node representing a spotlight source.
virtual void GLRender(SoGLRenderAction *action)
Creates a light source during rendering.
virtual ~SoSpotLight()
SoSFFloat cutOffAngle
direction: 0 = constant intensity, 1 = sharp drop-off
SoSFVec3f location
Location of the source.
SoSpotLight()
intensity is zero, measured from edge of cone to other edge
static void initClass()
SoSFFloat dropOffRate
Rate of intensity drop-off per change in angle from primary direction: 0 = constant intensity,...
SoSFVec3f direction
Principal direction of illumination (center axis of cone).