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Macros | Functions
VuoSceneParametricVertices.cc File Reference

Description

VuoSceneParametricVertices implementation.

Macros

#define DEG2RAD   0.0174532925
 Constant for converting degrees to radians.
 
#define RAD2DEG   57.2957795
 Constant for converting radians to degrees.
 
#define PI   3.14159265359
 Constant providing the ratio of a circle's circumference to its diameter.
 

Functions

VuoList_VuoVertices VuoSceneParametricVertices_generate (char *xExp, char *yExp, char *zExp, char *uExp, char *vExp, VuoInteger uSubdivisions, VuoInteger vSubdivisions, bool closeU, bool closeV)
 Generates a mesh (VuoVertices) given a set of mathematical expressions specifying a warped surface.
 
VuoPoint4d VuoSceneParametricVertices_faceNormal (VuoPoint4d a, VuoPoint4d b, VuoPoint4d c)
 Calculates the face normal for position vertices a, b, and c.
 
void CalculateTangentArray (int vertexCount, const VuoPoint4d *vertex, const VuoPoint4d *normal, const VuoPoint4d *texcoord, int triangleCount, const int *triangle, VuoPoint4d *tangent, VuoPoint4d *bitangent)
 Calculates tangents and bitangents for a mesh given vertices, textures, normals, and triangles.
 

Function Documentation

void CalculateTangentArray ( int  vertexCount,
const VuoPoint4d vertex,
const VuoPoint4d normal,
const VuoPoint4d texcoord,
int  triangleCount,
const int *  triangle,
VuoPoint4d tangent,
VuoPoint4d bitangent 
)

Calculates tangents and bitangents for a mesh given vertices, textures, normals, and triangles.

Assumes triangles are wound using VuoVertices_IndividualTriangles. Lengyel, Eric. “Computing Tangent Space Basis Vectors for an Arbitrary Mesh”. Terathon Software 3D Graphics Library, 2001. http://www.terathon.com/code/tangent.html

VuoList_VuoVertices VuoSceneParametricVertices_generate ( char *  xExp,
char *  yExp,
char *  zExp,
char *  uExp,
char *  vExp,
VuoInteger  uSubdivisions,
VuoInteger  vSubdivisions,
bool  closeU,
bool  closeV 
)

Generates a mesh (VuoVertices) given a set of mathematical expressions specifying a warped surface.