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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
//=============================================================================//
#include "cbase.h"
#include "particlemgr.h"
#include "particle_prototype.h"
#include "particle_util.h"
#include "particles_simple.h"
#include "c_baseentity.h"
#include "baseparticleentity.h"
#include "engine/ivdebugoverlay.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
//==================================================
// SporeSmokeEffect
//==================================================
class SporeSmokeEffect : public CSimpleEmitter
{
public:
SporeSmokeEffect( const char *pDebugName ) : CSimpleEmitter( pDebugName ) {}
static SporeSmokeEffect* Create( const char *pDebugName );
virtual void UpdateVelocity( SimpleParticle *pParticle, float timeDelta );
virtual float UpdateAlpha( const SimpleParticle *pParticle );
private:
SporeSmokeEffect( const SporeSmokeEffect & );
};
SporeSmokeEffect* SporeSmokeEffect::Create( const char *pDebugName )
{
return new SporeSmokeEffect( pDebugName );
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *pParticle -
// timeDelta -
// Output : float
//-----------------------------------------------------------------------------
float SporeSmokeEffect::UpdateAlpha( const SimpleParticle *pParticle )
{
//return ( ((float)pParticle->m_uchStartAlpha/255.0f) * sin( M_PI * (pParticle->m_flLifetime / pParticle->m_flDieTime) ) );
return (pParticle->m_uchStartAlpha/255.0f) + ( (float)(pParticle->m_uchEndAlpha/255.0f) - (float)(pParticle->m_uchStartAlpha/255.0f) ) * (pParticle->m_flLifetime / pParticle->m_flDieTime);
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *pParticle -
// timeDelta -
//-----------------------------------------------------------------------------
void SporeSmokeEffect::UpdateVelocity( SimpleParticle *pParticle, float timeDelta )
{
}
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