Coin3D is Free Software,
published under the
BSD 3-clause license
.
https://bitbucket.org/Coin3D/
http://www.kongsberg.com/kogt/
SoNormalGenerator.h
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#ifndef COIN_SONORMALGENERATOR_H
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#define COIN_SONORMALGENERATOR_H
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/**************************************************************************\
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* Copyright (c) Kongsberg Oil & Gas Technologies AS
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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\**************************************************************************/
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#include <Inventor/SbVec3f.h>
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#include <Inventor/SbBSPTree.h>
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#include <Inventor/lists/SbList.h>
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#include <Inventor/system/inttypes.h>
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class
COIN_DLL_API
SoNormalGenerator
{
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public
:
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SoNormalGenerator
(
const
SbBool ccw,
const
int
approxVertices = 64);
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~
SoNormalGenerator
();
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void
reset(
const
SbBool ccw);
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void
beginPolygon();
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void
polygonVertex(
const
SbVec3f
&v);
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void
endPolygon();
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void
triangle(
const
SbVec3f
&v0,
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const
SbVec3f
&v1,
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const
SbVec3f
&v2);
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void
quad(
const
SbVec3f
&v0,
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const
SbVec3f
&v1,
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const
SbVec3f
&v2,
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const
SbVec3f
&v3);
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void
generate(
const
float
creaseAngle,
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const
int32_t * striplens = NULL,
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const
int
numstrips = 0);
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void
generatePerStrip(
const
int32_t * striplens,
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const
int
numstrips);
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void
generatePerFace(
void
);
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void
generateOverall(
void
);
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// call these only after generate
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int
getNumNormals()
const
;
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void
setNumNormals(
const
int
num);
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const
SbVec3f
*getNormals()
const
;
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const
SbVec3f
& getNormal(
const
int32_t i)
const
;
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void
setNormal(
const
int32_t index,
const
SbVec3f
&normal);
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private
:
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SbBSPTree
bsp;
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SbList <int>
vertexList;
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SbList <int>
vertexFace;
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SbList <SbVec3f>
faceNormals;
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SbList <SbVec3f>
vertexNormals;
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SbBool ccw;
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SbBool perVertex;
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int
currFaceStart;
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SbVec3f
calcFaceNormal();
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};
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#endif // !COIN_SONORMALGENERATOR_H
SbList< int >
SbBSPTree
The SbBSPTree class provides a binary space partitioning container.
Definition:
SbBSPTree.h:54
SbVec3f
The SbVec3f class is a 3 dimensional vector with floating point coordinates.
Definition:
SbVec3f.h:51
SoNormalGenerator
The SoNormalGenerator class is used to generate normals.
Definition:
SoNormalGenerator.h:41
include
Inventor
misc
SoNormalGenerator.h
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