You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
62 lines
2.0 KiB
62 lines
2.0 KiB
//========= Copyright Valve Corporation, All rights reserved. ============//
|
|
//
|
|
// Purpose:
|
|
//
|
|
//===========================================================================//
|
|
|
|
#include "tier0/platform.h"
|
|
#include "mathlib/mathlib.h"
|
|
#include "mathlib/ssemath.h"
|
|
#include "particles.h"
|
|
#include "tier2/tier2.h"
|
|
#include "tier0/memdbgon.h"
|
|
|
|
void main(int argc,char **argv)
|
|
{
|
|
InitCommandLineProgram( argc, argv );
|
|
|
|
|
|
// test sse noise
|
|
FourVectors start;
|
|
start.LoadAndSwizzle(Vector(-1,4,3),Vector(0,7,8),Vector(8,1,2),Vector(0,0,0));
|
|
FourVectors delta;
|
|
delta.LoadAndSwizzle(Vector(.1,-.1,.05),Vector(.1,.1,.1),Vector(0,-.1,0),Vector(.1,0,0));
|
|
#ifdef TIME_IT
|
|
float start_time=Plat_FloatTime();
|
|
for(int sim=0;sim<1000*1000*10;sim++)
|
|
{
|
|
__m128 n=SSENoise( start );
|
|
start+=delta;
|
|
}
|
|
printf("n/s=%f\n",(4*1000*1000*10.0)/(Plat_FloatTime()-start_time));
|
|
#endif
|
|
for(int i=0;i<130;i++)
|
|
{
|
|
__m128 noise=SSENoise( start );
|
|
// printf(" noise(x=%f)=%f\t%f\t%f\t%f\n",
|
|
printf(" %f,%f,%f,%f,%f\n",
|
|
start.X(0),noise.m128_f32[0],
|
|
noise.m128_f32[1],
|
|
noise.m128_f32[2],
|
|
noise.m128_f32[3]);
|
|
start+=delta;
|
|
}
|
|
|
|
#if 0
|
|
ReadParticleConfigFile("particles.cfg");
|
|
ParticleCollection lots_o_particles( "fireball" );
|
|
lots_o_particles.SetNActiveParticles( 1000000 );
|
|
// kick the particles up into the air
|
|
lots_o_particles.FillAttributeWithConstant( PARTICLE_ATTRIBUTE_XCOORD, 0.0 );
|
|
lots_o_particles.FillAttributeWithConstant( PARTICLE_ATTRIBUTE_YCOORD, 0.0 );
|
|
lots_o_particles.FillAttributeWithConstant( PARTICLE_ATTRIBUTE_ZCOORD, 10.0 );
|
|
lots_o_particles.FillAttributeWithConstant( PARTICLE_ATTRIBUTE_PREV_XCOORD, 0.0 );
|
|
lots_o_particles.FillAttributeWithConstant( PARTICLE_ATTRIBUTE_PREV_YCOORD, 0.0 );
|
|
lots_o_particles.FillAttributeWithConstant( PARTICLE_ATTRIBUTE_PREV_ZCOORD, 0.0 );
|
|
float start=Plat_FloatTime();
|
|
for(int sim=0;sim<1000;sim++)
|
|
lots_o_particles.Simulate( 0.01 );
|
|
printf("p/s=%f\n",(100.0*1000000)/(Plat_FloatTime()-start));
|
|
#endif
|
|
|
|
}
|