RaySphereIntersection.h

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#if defined(__unix__) || defined(__linux__) || defined(__APPLE__) || defined(__MACH__)
#define OS_UNIX
#endif

#if defined(__APPLE__) || defined(__MACH__)
#define OS_OSX
#endif

#if defined(_MSC_VER)
#define OS_WINDOWS
#endif

//
// API export macro
//
#if defined(OS_OSX)
#define API __attribute__((visibility("default")))
#elif defined(OS_WINDOWS)
#define API __declspec(dllexport)
#else
#define API
#endif


extern "C" API int computeRaycastSpheres(float *positions, float *radii, int N, float *ori, float *dir);
extern "C" API void computeCenterOfGravity(int N, float *positions, float *minmaxcog);
extern "C" API void fillHighlightMesh(float *positions, float *radius, int NPos, float *vertices, int *triangles, float *normals,
                           float *modelVert, int *modelTri, float *modelNorm, int NVert, int NTri, float highlightScaleFactor);