//========= Copyright Valve Corporation, All rights reserved. ============// // // Purpose: // // $NoKeywords: $ // //=============================================================================// #include #include #include "vstdlib/random.h" #include "math.h" void main( int argc, char **argv ) { if( argc != 2 ) { fprintf( stderr, "Usage: genrandomvectors \n" ); exit( -1 ); } int nVectors = atoi( argv[1] ); int i; RandomSeed( 0 ); for( i = 0; i < nVectors; i++ ) { float z = RandomFloat( -1.0f, 1.0f ); float t = RandomFloat( 0, 2 * M_PI ); float r = sqrt( 1.0f - z * z ); float x = r * cos( t ); float y = r * sin( t ); printf( "Vector( %f, %f, %f ),\n", x, y, z ); } }