63 lines
2.0 KiB
C++
63 lines
2.0 KiB
C++
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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//===========================================================================//
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#include "tier0/platform.h"
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#include "mathlib/mathlib.h"
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#include "mathlib/ssemath.h"
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#include "particles.h"
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#include "tier2/tier2.h"
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#include "tier0/memdbgon.h"
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void main(int argc,char **argv)
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{
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InitCommandLineProgram( argc, argv );
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// test sse noise
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FourVectors start;
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start.LoadAndSwizzle(Vector(-1,4,3),Vector(0,7,8),Vector(8,1,2),Vector(0,0,0));
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FourVectors delta;
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delta.LoadAndSwizzle(Vector(.1,-.1,.05),Vector(.1,.1,.1),Vector(0,-.1,0),Vector(.1,0,0));
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#ifdef TIME_IT
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float start_time=Plat_FloatTime();
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for(int sim=0;sim<1000*1000*10;sim++)
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{
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__m128 n=SSENoise( start );
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start+=delta;
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}
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printf("n/s=%f\n",(4*1000*1000*10.0)/(Plat_FloatTime()-start_time));
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#endif
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for(int i=0;i<130;i++)
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{
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__m128 noise=SSENoise( start );
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// printf(" noise(x=%f)=%f\t%f\t%f\t%f\n",
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printf(" %f,%f,%f,%f,%f\n",
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start.X(0),noise.m128_f32[0],
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noise.m128_f32[1],
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noise.m128_f32[2],
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noise.m128_f32[3]);
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start+=delta;
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}
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#if 0
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ReadParticleConfigFile("particles.cfg");
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ParticleCollection lots_o_particles( "fireball" );
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lots_o_particles.SetNActiveParticles( 1000000 );
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// kick the particles up into the air
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lots_o_particles.FillAttributeWithConstant( PARTICLE_ATTRIBUTE_XCOORD, 0.0 );
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lots_o_particles.FillAttributeWithConstant( PARTICLE_ATTRIBUTE_YCOORD, 0.0 );
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lots_o_particles.FillAttributeWithConstant( PARTICLE_ATTRIBUTE_ZCOORD, 10.0 );
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lots_o_particles.FillAttributeWithConstant( PARTICLE_ATTRIBUTE_PREV_XCOORD, 0.0 );
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lots_o_particles.FillAttributeWithConstant( PARTICLE_ATTRIBUTE_PREV_YCOORD, 0.0 );
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lots_o_particles.FillAttributeWithConstant( PARTICLE_ATTRIBUTE_PREV_ZCOORD, 0.0 );
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float start=Plat_FloatTime();
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for(int sim=0;sim<1000;sim++)
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lots_o_particles.Simulate( 0.01 );
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printf("p/s=%f\n",(100.0*1000000)/(Plat_FloatTime()-start));
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#endif
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}
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