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SoCylinder.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:
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31  * For further information regarding this notice, see:
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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 SoCylinder node class.
48  |
49  | Author(s) : Paul S. Strauss, Nick Thompson
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_CYLINDER_
56 #define _SO_CYLINDER_
57 
58 #include <Inventor/SbLinear.h>
62 #include <Inventor/nodes/SoShape.h>
63 #include <Inventor/misc/SoVBO.h>
64 
65 
68 
129 
131 
133 
134  public:
135 
137  enum Part {
138  SIDES = 0x01,
139  TOP = 0x02,
140  BOTTOM = 0x04,
141  ALL = 0x07
142  };
143 
145 
146 
153 
157 
162 
165 
169 
171  bool hasPart(SoCylinder::Part part) const;
172 
173  SoEXTENDER public:
175  virtual void GLRender(SoGLRenderAction *action);
176  virtual void rayPick(SoRayPickAction *action);
177 
178  SoINTERNAL public:
179  static void initClass();
180 
181  protected:
183  virtual void generatePrimitives(SoAction *action);
184 
186  virtual void computeBBox(SoAction *action, SbBox3f &box,
187  SbVec3f &center);
188 
189  virtual ~SoCylinder();
190 
191  private:
192  static SbVec2f *coordsArray;
193  static int maxCoords;
194 
197  struct CacheState : public SimpleVertexArrayCache {
198  CacheState() {
199  curParts = 0;
200  numSides = 0;
201  numSections = 0;
202  }
203  int curParts, numSides, numSections;
204  SbVec3f scale;
205  };
206 
207  CacheState _cache;
208 
212  void computeRing(SoAction *action,
213  int &numSides, int &numSections,
214  SbVec2f *&ringCoords) const;
215 
217  void getSize(float &rad, float &hHeight) const;
218 
220  void GLRenderGeneric(SoGLRenderAction *action,
221  bool sendNormals, bool doTextures);
222  void GLRenderNvertTnone(SoGLRenderAction *action);
223 
224  void GLRenderVertexArray(SoGLRenderAction *action,
225  bool sendNormals, bool doTextures);
226 };
227 
228 #endif /* _SO_CYLINDER_ */
#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:81
#define SO_NODE_HEADER(className)
Non-abstract classes have everything abstract classes have, plus a way to create an instance.
Definition: SoSubNode.h:170
3D box class.
Definition: SbBox.h:81
2D vector class.
Definition: SbLinear.h:246
3D vector class.
Definition: SbLinear.h:120
Abstract base class for all actions.
Definition: SoAction.h:179
Cylinder shape node.
Definition: SoCylinder.h:130
void addPart(SoCylinder::Part part)
Turns on/off a part of the cylinder. (Convenience functions)
Part
Cylinder parts.
Definition: SoCylinder.h:137
bool hasPart(SoCylinder::Part part) const
Returns whether a given part is on or off. (Convenience function)
virtual void computeBBox(SoAction *action, SbBox3f &box, SbVec3f &center)
Computes bounding box of cylinder.
virtual ~SoCylinder()
SoSFInt32 sides
Defines how many sides are used for tesselation.
Definition: SoCylinder.h:156
SoSFBitMask parts
Visible parts of cylinder.
Definition: SoCylinder.h:148
virtual void rayPick(SoRayPickAction *action)
Implements picking along a ray by intersecting the ray with each primitive generated by subclass.
SoSFFloat height
Size in y dimension.
Definition: SoCylinder.h:152
SoSFInt32 sections
Defines how many sections are used for tesselation.
Definition: SoCylinder.h:160
void removePart(SoCylinder::Part part)
SoCylinder()
Creates a cylinder node with default settings.
static void initClass()
virtual void GLRender(SoGLRenderAction *action)
Implements actions.
SoSFFloat radius
Radius in x and z dimensions.
Definition: SoCylinder.h:150
virtual void generatePrimitives(SoAction *action)
Generates triangles representing a cylinder.
Renders a scene graph using OpenGL.
Intersects objects with a ray cast into scene.
Single-value field containing a set of bit flags.
Definition: SoSFBitMask.h:99
Field containing a floating-point value.
Definition: SoSFFloat.h:77
Field containing a int32_t integer.
Definition: SoSFInt32.h:79
Abstract base class for all shape nodes.
Definition: SoShape.h:101
Helper struct used by primitive types like cube, sphere, ...
Definition: SoShape.h:165