SoNormalGenerator.h
#ifndef COIN_SONORMALGENERATOR_H
#define COIN_SONORMALGENERATOR_H
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#include <Inventor/SbVec3f.h>
#include <Inventor/SbBSPTree.h>
#include <Inventor/lists/SbList.h>
#include <Inventor/system/inttypes.h>
class COIN_DLL_API SoNormalGenerator {
public:
SoNormalGenerator(const SbBool ccw, const int approxVertices = 64);
~SoNormalGenerator();
void reset(const SbBool ccw);
void beginPolygon();
void polygonVertex(const SbVec3f &v);
void endPolygon();
void triangle(const SbVec3f &v0,
const SbVec3f &v1,
const SbVec3f &v2);
void quad(const SbVec3f &v0,
const SbVec3f &v1,
const SbVec3f &v2,
const SbVec3f &v3);
void generate(const float creaseAngle,
const int32_t * striplens = NULL,
const int numstrips = 0);
void generatePerStrip(const int32_t * striplens,
const int numstrips);
void generatePerFace(void);
void generateOverall(void);
// call these only after generate
int getNumNormals() const;
void setNumNormals(const int num);
const SbVec3f *getNormals() const;
const SbVec3f & getNormal(const int32_t i) const;
void setNormal(const int32_t index, const SbVec3f &normal);
private:
SbBSPTree bsp;
SbList <int> vertexList;
SbList <int> vertexFace;
SbList <SbVec3f> faceNormals;
SbList <SbVec3f> vertexNormals;
SbBool ccw;
SbBool perVertex;
int currFaceStart;
SbVec3f calcFaceNormal();
};
#endif // !COIN_SONORMALGENERATOR_H
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::setNumNormals
void setNumNormals(const int num)
Definition SoNormalGenerator.cpp:355
SoNormalGenerator::polygonVertex
void polygonVertex(const SbVec3f &v)
Definition SoNormalGenerator.cpp:112
SoNormalGenerator::generatePerFace
void generatePerFace(void)
Definition SoNormalGenerator.cpp:311
SoNormalGenerator::endPolygon
void endPolygon()
Definition SoNormalGenerator.cpp:124
SoNormalGenerator::beginPolygon
void beginPolygon()
Definition SoNormalGenerator.cpp:101
SoNormalGenerator::getNormals
const SbVec3f * getNormals() const
Definition SoNormalGenerator.cpp:364
SoNormalGenerator::reset
void reset(const SbBool ccw)
Definition SoNormalGenerator.cpp:84
SoNormalGenerator::setNormal
void setNormal(const int32_t index, const SbVec3f &normal)
Definition SoNormalGenerator.cpp:392
SoNormalGenerator::generateOverall
void generateOverall(void)
Definition SoNormalGenerator.cpp:324
SoNormalGenerator::getNumNormals
int getNumNormals() const
Definition SoNormalGenerator.cpp:342
SoNormalGenerator::quad
void quad(const SbVec3f &v0, const SbVec3f &v1, const SbVec3f &v2, const SbVec3f &v3)
Definition SoNormalGenerator.cpp:149
SoNormalGenerator::generate
void generate(const float creaseAngle, const int32_t *striplens=NULL, const int numstrips=0)
Definition SoNormalGenerator.cpp:204
SoNormalGenerator::SoNormalGenerator
SoNormalGenerator(const SbBool ccw, const int approxVertices=64)
Definition SoNormalGenerator.cpp:56
SoNormalGenerator::generatePerStrip
void generatePerStrip(const int32_t *striplens, const int numstrips)
Definition SoNormalGenerator.cpp:286
SoNormalGenerator::triangle
void triangle(const SbVec3f &v0, const SbVec3f &v1, const SbVec3f &v2)
Definition SoNormalGenerator.cpp:134
SoNormalGenerator::getNormal
const SbVec3f & getNormal(const int32_t i) const
Definition SoNormalGenerator.cpp:380