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