www.pudn.com > HumanAnimation.rar > VECTOR.H

#ifndef VECTOR_H 
#define VECTOR_H 
 
/* Conversion constants between degrees and radians */ 
 
#define VEC_DEG_TO_RAD 0.017453293 
#define VEC_RAD_TO_DEG 57.29578 
 
typedef float vector[3]; 
 
typedef float plane[4]; 
 
void  vecPrint (vector v); 
void  vecCopy (vector dest, vector src); 
float vecLength (vector u); 
float vecLengthSq (vector u); 
float vecDist (vector u, vector v); 
float vecDistSq (vector u, vector v); 
void  vecSub (vector dest, vector u, vector v); 
void  vecAdd (vector dest, vector u, vector v); 
void  vecMult (vector dest, float c, vector u); 
float vecDot (vector u, vector v); 
float vecAngle (vector u, vector v); 
void  vecCross (vector dest, vector u, vector v); 
void  vecNormalize (vector dest, vector v); 
float vecDistPointToPlane (vector r, plane p); 
void  vecPlaneFromPointAndNormal (plane dest, vector p, vector N); 
void  vecSpherical (vector dest, float theta, float phi); 
void  vecRotateX (vector dest, vector src, float angle); 
void  vecRotateY (vector dest, vector src, float angle); 
void  vecRotateZ (vector dest, vector src, float angle); 
void  vecRotate (vector dest, vector p, vector axis, float angle); 
void  vecMatch (float *angle, vector axis, vector u, vector v); 
void vecSetValue(vector dest, float x, float y, float z); 
void vecTranslate(vector dest, float x, float y, float z); 
#endif /* VECTOR_H */