C++ CSmartPtr::GetPMaterial方法代码示例

//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
void C_ExtinguisherJet::Start( void )
{
	SetupEntityRenderHandle( RENDER_GROUP_TRANSLUCENT_ENTITY );

	m_ParticleSpawn.Init( 100 ); //Events per second

	//Create the basic emitter
	m_pEmitter = CSimpleEmitter::Create("C_ExtinguisherJet::m_pEmitter");
	
	Assert( m_pEmitter.IsValid() );
	if ( m_pEmitter.IsValid() )
	{
		m_MaterialHandle = m_pEmitter->GetPMaterial( "particle/particle_smokegrenade" );
		m_pEmitter->SetSortOrigin( GetAbsOrigin() );
	}

	//Create the "ember" emitter for the smaller flecks
	m_pEmberEmitter = CEmberEffect::Create( "C_ExtinguisherJet::m_pEmberEmitter" );

	Assert( m_pEmberEmitter.IsValid() );
	if ( m_pEmberEmitter.IsValid() )
	{
		m_EmberMaterialHandle = m_pEmberEmitter->GetPMaterial( "particle/particle_smokegrenade" );
		m_pEmberEmitter->SetSortOrigin( GetAbsOrigin() );
	}
}

//-----------------------------------------------------------------------------
// Purpose: Trail smoke
//-----------------------------------------------------------------------------
void CASW_Shotgun_Pellet_Predicted::ClientThink( void )
{
return;

	CSmartPtr<CSimpleEmitter> pEmitter = CSimpleEmitter::Create( "CASW_Shotgun_Pellet_Predicted::Effect" );
	PMaterialHandle	hSphereMaterial = pEmitter->GetPMaterial( "sprites/chargeball" );

	// Add particles at the target.
	float flCur = gpGlobals->frametime;
	while ( m_ParticleEvent.NextEvent( flCur ) )
	{
		Vector vecOrigin = GetAbsOrigin() + RandomVector( -2,2 );
		pEmitter->SetSortOrigin( vecOrigin );

		SimpleParticle *pParticle = (SimpleParticle *) pEmitter->AddParticle( sizeof(SimpleParticle), hSphereMaterial, vecOrigin );
		if ( pParticle == NULL )
			return;

		pParticle->m_flLifetime	= 0.0f;
		pParticle->m_flDieTime	= random->RandomFloat( 0.1f, 0.3f );

		pParticle->m_uchStartSize	= random->RandomFloat(2,4);
		pParticle->m_uchEndSize		= pParticle->m_uchStartSize + 2;

		pParticle->m_vecVelocity = vec3_origin;
		pParticle->m_uchStartAlpha = 128;
		pParticle->m_uchEndAlpha = 0;
		pParticle->m_flRoll	= random->RandomFloat( 180, 360 );
		pParticle->m_flRollDelta = random->RandomFloat( -1, 1 );

		pParticle->m_uchColor[0] = 128;
		pParticle->m_uchColor[1] = 128;
		pParticle->m_uchColor[2] = 128;
	}
}

//-----------------------------------------------------------------------------
// Purpose: 
// Input  : bnewentity - 
//-----------------------------------------------------------------------------
void C_EntityFlame::OnDataChanged( DataUpdateType_t updateType )
{
	if ( updateType == DATA_UPDATE_CREATED )
	{
		SetupEntityRenderHandle( RENDER_GROUP_TRANSLUCENT_ENTITY );

		C_BaseEntity *pEnt = m_hEntAttached;
		
		// FIXME: this should be IsBaseAnimating
		if (pEnt->IsBaseCombatCharacter())
		{
			AttachToHitBoxes();
		}
		else
		{
			m_ParticleSpawn.Init( 60 ); //Events per second

			m_pEmitter = CEmberEffect::Create("C_EntityFlame::Create");
			
			Assert( m_pEmitter.IsValid() );
			if ( m_pEmitter.IsValid() )
			{
				for ( int i = 1; i < NUM_FLAMELETS+1; i++ )
				{
					m_MaterialHandle[i-1] = m_pEmitter->GetPMaterial( VarArgs( "sprites/flamelet%d", i ) );
				}

				m_pEmitter->SetSortOrigin( GetAbsOrigin() );
			}
		}
	}
}

//-----------------------------------------------------------------------------
// Purpose: 
// Input  : &origin - 
//			&velocity - 
//			scale - 
//			numParticles - 
//			*pColor - 
//			iAlpha - 
//			*pMaterial - 
//			flRoll - 
//			flRollDelta - 
//-----------------------------------------------------------------------------
CSmartPtr<CSimpleEmitter> FX_Smoke( const Vector &origin, const Vector &velocity, float scale, int numParticles, float flDietime, unsigned char *pColor, int iAlpha, const char *pMaterial, float flRoll, float flRollDelta )
{
	VPROF_BUDGET( "FX_Smoke", VPROF_BUDGETGROUP_PARTICLE_RENDERING );
	CSmartPtr<CSimpleEmitter> pSimple = CSimpleEmitter::Create( "FX_Smoke" );
	pSimple->SetSortOrigin( origin );

	SimpleParticle *pParticle;

	// Smoke
	for ( int i = 0; i < numParticles; i++ )
	{
		PMaterialHandle hMaterial = pSimple->GetPMaterial( pMaterial );
		pParticle = (SimpleParticle *) pSimple->AddParticle( sizeof( SimpleParticle ), hMaterial, origin );			
		if ( pParticle == NULL )
			return NULL;

		pParticle->m_flLifetime = 0.0f;
		pParticle->m_flDieTime = flDietime;
		pParticle->m_vecVelocity = velocity;
		for( int i = 0; i < 3; ++i )
		{
			pParticle->m_uchColor[i] = pColor[i];
		}
		pParticle->m_uchStartAlpha	= iAlpha;
		pParticle->m_uchEndAlpha	= 0;
		pParticle->m_uchStartSize	= scale;
		pParticle->m_uchEndSize		= pParticle->m_uchStartSize*2;
		pParticle->m_flRoll	= flRoll;
		pParticle->m_flRollDelta = flRollDelta;
	}

	return pSimple;
}

//-----------------------------------------------------------------------------
// Purpose: Callback to create a sparkle effect on the client
// Input  : &data - information about the effect
//-----------------------------------------------------------------------------
void SparkleCallback( const CEffectData &data )
{
	// Create a simple particle emitter
	CSmartPtr<CSimpleEmitter> pSparkleEmitter = CSimpleEmitter::Create( "Sparkle" );

	if ( pSparkleEmitter == NULL )
		return;

	// Make local versions of our passed in data
	Vector	origin = data.m_vOrigin;
	float	scale = data.m_flScale;

	// Set our sort origin to make the system cull properly
	pSparkleEmitter->SetSortOrigin( origin );

	// Find the material handle we wish to use for these particles
	PMaterialHandle hMaterial = pSparkleEmitter->GetPMaterial( "effects/yellowflare" );

	SimpleParticle *pParticle;

	// Make a group of particles in the world
	for ( int i = 0; i < 64; i++ )
	{
		// Create a particle
		pParticle = pSparkleEmitter->AddSimpleParticle( hMaterial, origin );

		if ( pParticle == NULL )
			return;

		// Set our sizes
		pParticle->m_uchStartSize = (unsigned char) scale;
		pParticle->m_uchEndSize = 0;

		// Set our roll
		pParticle->m_flRoll = random->RandomFloat( 0, 2*M_PI );
		pParticle->m_flRollDelta = random->RandomFloat( -DEG2RAD( 180 ), DEG2RAD( 180 ) );

		// Set our color
		pParticle->m_uchColor[0] = 255;	// Red
		pParticle->m_uchColor[1] = 255;	// Green
		pParticle->m_uchColor[2] = 255;	// Blue

		// Set our alpha
		pParticle->m_uchStartAlpha = 0;
		pParticle->m_uchEndAlpha = 255;
		
		// Create a random vector
		Vector velocity = RandomVector( -1.0f, 1.0f );
		VectorNormalize( velocity );

		// Find a random speed for the particle
		float speed = random->RandomFloat( 4.0f, 8.0f ) * scale;

		// Build and set the velocity of the particle
		pParticle->m_vecVelocity = velocity * speed;

		// Declare our lifetime
		pParticle->m_flDieTime = 1.0f;
	}
}

void FX_MetalScrape(Vector &position, Vector &normal)
{
    VPROF_BUDGET("FX_MetalScrape", VPROF_BUDGETGROUP_PARTICLE_RENDERING);
    Vector	offset = position + (normal * 1.0f);

    CSmartPtr<CTrailParticles> sparkEmitter = CTrailParticles::Create("FX_MetalScrape 1");

    if (!sparkEmitter)
        return;

    sparkEmitter->SetSortOrigin(offset);

    //Setup our collision information
    sparkEmitter->Setup(offset,
        &normal,
        METAL_SCRAPE_SPREAD,
        METAL_SCRAPE_MINSPEED,
        METAL_SCRAPE_MAXSPEED,
        METAL_SCRAPE_GRAVITY,
        METAL_SCRAPE_DAMPEN,
        bitsPARTICLE_TRAIL_VELOCITY_DAMPEN);

    int	numSparks = random->RandomInt(4, 8);

    if (g_Material_Spark == NULL)
    {
        g_Material_Spark = sparkEmitter->GetPMaterial("effects/spark");
    }

    Vector	dir;
    TrailParticle *pParticle;
    float	length = 0.06f;

    //Dump out sparks
    for (int i = 0; i < numSparks; i++)
    {
        pParticle = (TrailParticle *) sparkEmitter->AddParticle(sizeof(TrailParticle), g_Material_Spark, offset);

        if (pParticle == NULL)
            return;

        pParticle->m_flLifetime = 0.0f;

        float	spreadOfs = random->RandomFloat(0.0f, 2.0f);

        dir[0] = normal[0] + random->RandomFloat(-(METAL_SCRAPE_SPREAD*spreadOfs), (METAL_SCRAPE_SPREAD*spreadOfs));
        dir[1] = normal[1] + random->RandomFloat(-(METAL_SCRAPE_SPREAD*spreadOfs), (METAL_SCRAPE_SPREAD*spreadOfs));
        dir[2] = normal[2] + random->RandomFloat(-(METAL_SCRAPE_SPREAD*spreadOfs), (METAL_SCRAPE_SPREAD*spreadOfs));

        pParticle->m_flWidth = random->RandomFloat(2.0f, 5.0f);
        pParticle->m_flLength = random->RandomFloat(length*0.25f, length);
        pParticle->m_flDieTime = random->RandomFloat(2.0f, 2.0f);

        pParticle->m_vecVelocity = dir * random->RandomFloat((METAL_SCRAPE_MINSPEED*(2.0f - spreadOfs)), (METAL_SCRAPE_MAXSPEED*(2.0f - spreadOfs)));

        Color32Init(pParticle->m_color, 255, 255, 255, 255);
    }
}

//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
void C_ObjectEMPGenerator::OnDataChanged( DataUpdateType_t updateType )
{
	BaseClass::OnDataChanged( updateType );

	if ( updateType == DATA_UPDATE_CREATED )
	{
		m_pEmitter = CSimpleEmitter::Create( "C_ObjectEMPGenerator" );
		m_hParticleMaterial = m_pEmitter->GetPMaterial( "sprites/chargeball" );
	}
}

//-----------------------------------------------------------------------------
// Chopper muzzle flashes
//-----------------------------------------------------------------------------
void MuzzleFlash_Chopper( ClientEntityHandle_t hEntity, int attachmentIndex )
{
	VPROF_BUDGET( "MuzzleFlash_Chopper", VPROF_BUDGETGROUP_PARTICLE_RENDERING );

	matrix3x4_t	matAttachment;
	// If the client hasn't seen this entity yet, bail.
	if ( !FX_GetAttachmentTransform( hEntity, attachmentIndex, matAttachment ) )
		return;
	
	CSmartPtr<CLocalSpaceEmitter> pSimple = CLocalSpaceEmitter::Create( "MuzzleFlash", hEntity, attachmentIndex );

	SimpleParticle *pParticle;
	Vector			forward(1,0,0), offset; //NOTENOTE: All coords are in local space

	float flScale = random->RandomFloat( 2.5f, 4.5f );

	// Flash
	for ( int i = 1; i < 7; i++ )
	{
		offset = (forward * (i*2.0f*flScale));

		pParticle = (SimpleParticle *) pSimple->AddParticle( sizeof( SimpleParticle ), pSimple->GetPMaterial( VarArgs( "effects/combinemuzzle%d", random->RandomInt(1,2) ) ), offset );
			
		if ( pParticle == NULL )
			return;

		pParticle->m_flLifetime		= 0.0f;
		pParticle->m_flDieTime		= random->RandomFloat( 0.05f, 0.1f );

		pParticle->m_vecVelocity.Init();

		pParticle->m_uchColor[0]	= 255;
		pParticle->m_uchColor[1]	= 255;
		pParticle->m_uchColor[2]	= 255;

		pParticle->m_uchStartAlpha	= 255;
		pParticle->m_uchEndAlpha	= 128;

		pParticle->m_uchStartSize	= ( (random->RandomFloat( 6.0f, 8.0f ) * (10-(i))/7) * flScale );
		pParticle->m_uchEndSize		= pParticle->m_uchStartSize;
		pParticle->m_flRoll			= random->RandomInt( 0, 360 );
		pParticle->m_flRollDelta	= 0.0f;
	}
	
	// Grab the origin out of the transform for the attachment
	Vector		origin;
	MatrixGetColumn( matAttachment, 3, &origin );	
	CreateMuzzleflashELight( origin, 6, 128, 256, hEntity );
}

//------------------------------------------------------------------------------
// Purpose :
// Input   :
// Output  :
//------------------------------------------------------------------------------
void C_PlasmaBeamNode::ClientThink(void)
{
	if (!m_bSprayOn)
	{
		return;
	}
	
	trace_t trace;
	Vector vEndTrace = GetAbsOrigin() + (0.3*GetAbsVelocity());
	UTIL_TraceLine( GetAbsOrigin(), vEndTrace, MASK_SHOT, NULL, COLLISION_GROUP_NONE, &trace );
	if ( trace.fraction != 1.0f || trace.startsolid)
	{
		m_bSprayOn = false;
		return;
	}

	PMaterialHandle handle = m_pFirePlasmaSpray->GetPMaterial( "sprites/plasmaember" );
	for (int i=0;i<SPRAYS_PER_THINK;i++)
	{
		SimpleParticle	*sParticle;

		//Make a new particle
		if ( random->RandomInt( 0, 2 ) == 0 )
		{
			float ranx = random->RandomFloat( -28.0f, 28.0f );
			float rany = random->RandomFloat( -28.0f, 28.0f );
			float ranz = random->RandomFloat( -28.0f, 28.0f );

			Vector vNewPos	=  GetAbsOrigin();
			Vector vAdd		=  Vector(GetAbsAngles().x,GetAbsAngles().y,GetAbsAngles().z)*random->RandomFloat(-60,120);
			vNewPos			+= vAdd;

			sParticle = (SimpleParticle *) m_pFirePlasmaSpray->AddParticle( sizeof(SimpleParticle), handle, vNewPos );
			
			sParticle->m_flLifetime		= 0.0f;
			sParticle->m_flDieTime		= PLASMASPARK_LIFETIME;

			sParticle->m_vecVelocity	= GetAbsVelocity();
			sParticle->m_vecVelocity.x	+= ranx;
			sParticle->m_vecVelocity.y	+= rany;
			sParticle->m_vecVelocity.z	+= ranz;
			m_pFirePlasmaSpray->m_pOwner	=  this;
		}
	}

	SetNextClientThink(gpGlobals->curtime + 0.05);
}

//-----------------------------------------------------------------------------
// Purpose: 
// Input  : flPerc - 
//-----------------------------------------------------------------------------
void C_MortarShell::AddRisingParticles( float flPerc )
{
	SimpleParticle *sParticle;

	Vector offset;
	float radius = m_flRadius * 0.25f * flPerc;

	float val = RemapValClamped( gpGlobals->curtime, m_flStarttime, m_flStarttime + m_flLifespan, 0.0f, 1.0f );

	float flCur = gpGlobals->frametime;

	// Anime ground effects
	while ( m_ParticleEvent.NextEvent( flCur ) )
	{
		offset.x = random->RandomFloat( -radius, radius );
		offset.y = random->RandomFloat( -radius, radius );
		offset.z = random->RandomFloat( -8.0f, 8.0f );

		offset += GetAbsOrigin();

		sParticle = (SimpleParticle *) m_pEmitter->AddParticle( sizeof(SimpleParticle), m_pEmitter->GetPMaterial( "effects/spark" ), offset );
		
		if ( sParticle == NULL )
			return;

		sParticle->m_vecVelocity = Vector( Helper_RandomFloat( -4.0f, 4.0f ), Helper_RandomFloat( -4.0f, 4.0f ), Helper_RandomFloat( 32.0f, 256.0f ) * Bias( val, 0.25f ) );
		
		sParticle->m_uchStartSize	= random->RandomFloat( 4, 8 ) * flPerc;

		sParticle->m_flDieTime = random->RandomFloat( 0.5f, 1.0f );
		
		sParticle->m_flLifetime		= 0.0f;

		sParticle->m_flRoll			= Helper_RandomInt( 0, 360 );

		float alpha = 255 * flPerc;

		sParticle->m_flRollDelta	= Helper_RandomFloat( -8.0f * flPerc, 8.0f * flPerc );
		sParticle->m_uchColor[0]	= alpha;
		sParticle->m_uchColor[1]	= alpha;
		sParticle->m_uchColor[2]	= alpha;
		sParticle->m_uchStartAlpha	= alpha;
		sParticle->m_uchEndAlpha	= 0;
		sParticle->m_uchEndSize		= 0;
	}
}

//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
void C_EnvStarfield::ClientThink( void )
{
	if ( !m_bOn || !m_flDensity ) 
		return;

	PMaterialHandle	hParticleMaterial = m_pEmitter->GetPMaterial( "effects/spark_noz" );

	// Find a start & end point for the particle
	// Start particles straight ahead of the client
	Vector vecViewOrigin = MainViewOrigin(engine->GetActiveSplitScreenPlayerSlot());

	// Determine the number of particles
	m_flNumParticles += 1.0 * (m_flDensity);
	int iNumParticles = floor(m_flNumParticles);
	m_flNumParticles -= iNumParticles;

	// Add particles
	for ( int i = 0; i < iNumParticles; i++ )
	{
		float flDiameter = cl_starfield_diameter.GetFloat();

		Vector vecStart = vecViewOrigin + (MainViewForward(engine->GetActiveSplitScreenPlayerSlot()) * cl_starfield_distance.GetFloat() );
		Vector vecEnd = vecViewOrigin + (MainViewRight(engine->GetActiveSplitScreenPlayerSlot()) * RandomFloat(-flDiameter,flDiameter)) + (MainViewUp(engine->GetActiveSplitScreenPlayerSlot()) * RandomFloat(-flDiameter,flDiameter));
		Vector vecDir = (vecEnd - vecStart);
		float flDistance = VectorNormalize( vecDir );
		float flTravelTime = 2.0;
		
		// Start a random amount along the path
		vecStart += vecDir * ( RandomFloat(0.1,0.3) * flDistance );

		TrailParticle *pParticle = (TrailParticle *) m_pEmitter->AddParticle( sizeof(TrailParticle), hParticleMaterial, vecStart );
		if ( pParticle )
		{
			pParticle->m_vecVelocity = vecDir * (flDistance / flTravelTime);
			pParticle->m_flDieTime = flTravelTime;
			pParticle->m_flLifetime = 0;
			pParticle->m_flWidth = RandomFloat( 1, 3 );
			pParticle->m_flLength = RandomFloat( 0.05, 0.4 );
			pParticle->m_color.r	= 255;
			pParticle->m_color.g	= 255;
			pParticle->m_color.b	= 255;
			pParticle->m_color.a	= 255;
		}
	}
}

//-----------------------------------------------------------------------------
// Purpose: 
// Input  : flPerc - 
//-----------------------------------------------------------------------------
void C_MortarShell::AddExplodingParticles( float flPerc )
{
	SimpleParticle *sParticle;

	Vector offset;
	float radius = 48.0f * flPerc;

	float flCur = gpGlobals->frametime;

	// Anime ground effects
	while ( m_ParticleEvent.NextEvent( flCur ) )
	{
		offset.x = random->RandomFloat( -radius, radius );
		offset.y = random->RandomFloat( -radius, radius );
		offset.z = random->RandomFloat( -8.0f, 8.0f );

		offset += GetAbsOrigin();

		sParticle = (SimpleParticle *) m_pEmitter->AddParticle( sizeof(SimpleParticle), m_pEmitter->GetPMaterial( "effects/spark" ), offset );
		
		if ( sParticle == NULL )
			return;

		sParticle->m_vecVelocity = RandomVector( -1.0f, 1.0f ) + Vector( 0, 0, 1 );
		sParticle->m_vecVelocity *= ( 750.0f * flPerc );
		
		sParticle->m_uchStartSize	= random->RandomFloat( 2, 4 ) * flPerc;

		sParticle->m_flDieTime = random->RandomFloat( 0.25f, 0.5f );
		
		sParticle->m_flLifetime		= 0.0f;

		sParticle->m_flRoll			= Helper_RandomInt( 0, 360 );

		float alpha = 255 * flPerc;

		sParticle->m_flRollDelta	= Helper_RandomFloat( -8.0f * flPerc, 8.0f * flPerc );
		sParticle->m_uchColor[0]	= alpha;
		sParticle->m_uchColor[1]	= alpha;
		sParticle->m_uchColor[2]	= alpha;
		sParticle->m_uchStartAlpha	= alpha;
		sParticle->m_uchEndAlpha	= 0;
		sParticle->m_uchEndSize		= 0;
	}
}

//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
void FX_GunshipMuzzleEffect( const Vector &origin, const QAngle &angles, float scale, ClientEntityHandle_t hEntity, unsigned char *pFlashColor )
{
	VPROF_BUDGET( "FX_GunshipMuzzleEffect", VPROF_BUDGETGROUP_PARTICLE_RENDERING );
	CSmartPtr<CSimpleEmitter> pSimple = CSimpleEmitter::Create( "MuzzleFlash" );
	pSimple->SetSortOrigin( origin );
	
	SimpleParticle *pParticle;
	Vector			forward, offset;

	AngleVectors( angles, &forward );

	//
	// Flash
	//
	offset = origin;

	pParticle = (SimpleParticle *) pSimple->AddParticle( sizeof( SimpleParticle ), pSimple->GetPMaterial( "effects/gunshipmuzzle" ), offset );
		
	if ( pParticle == NULL )
		return;

	pParticle->m_flLifetime		= 0.0f;
	pParticle->m_flDieTime		= 0.15f;

	pParticle->m_vecVelocity.Init();

	pParticle->m_uchStartSize	= random->RandomFloat( 40.0, 50.0 );
	pParticle->m_uchEndSize		= pParticle->m_uchStartSize;

	pParticle->m_flRoll			= random->RandomInt( 0, 360 );
	pParticle->m_flRollDelta	= 0.15f;

	pParticle->m_uchColor[0]	= 255;
	pParticle->m_uchColor[1]	= 255;
	pParticle->m_uchColor[2]	= 255;

	pParticle->m_uchStartAlpha	= 255;
	pParticle->m_uchEndAlpha	= 255;
}

//-----------------------------------------------------------------------------
// Purpose: Warp effect that looks like it's sucking things to it
//-----------------------------------------------------------------------------
void FX_BuildWarpSuck( Vector &vecOrigin, QAngle &vecAngles, float flScale )
{
	CSmartPtr<CTrailParticles> pEmitter = CTrailParticles::Create( "BuildWarpSuck" );
	PMaterialHandle	hParticleMaterial = pEmitter->GetPMaterial( "effects/bluespark" );
	pEmitter->Setup( (Vector &) vecOrigin, 
						NULL, 
						0.0, 
						0, 
						64, 
						0, 
						0, 
						bitsPARTICLE_TRAIL_VELOCITY_DAMPEN | bitsPARTICLE_TRAIL_FADE );

	// Add particles
	int iNumParticles = 60;
	for ( int i = 0; i < iNumParticles; i++ )
	{
		Vector vOffset = RandomVector( -1, 1 );
		VectorNormalize( vOffset );
		float flDistance = RandomFloat( 16, 64 ) * flScale;
		Vector vPos = vecOrigin + (vOffset * flDistance);
		
		TrailParticle *pParticle = (TrailParticle *) pEmitter->AddParticle( sizeof(TrailParticle), hParticleMaterial, vPos );
		if ( pParticle )
		{
			float flSpeed = RandomFloat(8,16) * (flScale * flScale * flScale);
			pParticle->m_vecVelocity = vOffset * -flSpeed;
			pParticle->m_flDieTime = min( 3, (flDistance / flSpeed) + RandomFloat(0.0, 0.2) );
			pParticle->m_flLifetime = 0;
			pParticle->m_flWidth = RandomFloat( 2, 3 ) * flScale;
			pParticle->m_flLength = RandomFloat( 1, 2 ) * flScale;
			pParticle->m_color.r	= 1.0f;
			pParticle->m_color.g	= 1.0f;
			pParticle->m_color.b	= 1.0f;
			pParticle->m_color.a	= 1.0f;
		}
	}
}

//-----------------------------------------------------------------------------
// Purpose: Called when data changes on the server
//-----------------------------------------------------------------------------
void C_Sparkler::OnDataChanged( DataUpdateType_t updateType )
{
	// NOTE: We MUST call the base classes' implementation of this function
	BaseClass::OnDataChanged( updateType );
	
	// Setup our entity's particle system on creation
	if ( updateType == DATA_UPDATE_CREATED )
	{
		// Creat the emitter
		m_hEmitter = CSimpleEmitter::Create( "env_sparkler" );

		// Obtain a reference handle to our particle's desired material
		if ( m_hEmitter.IsValid() )
		{
			m_hMaterial = m_hEmitter->GetPMaterial( "effects/yellowflare" );
		}

		// Spawn 128 particles per second
		m_tParticleTimer.Init( 128 );

		// Call our ClientThink() function once every client frame
		SetNextClientThink( CLIENT_THINK_ALWAYS );
	}
}