mirror of
https://github.com/alliedmodders/hl2sdk.git
synced 2024-12-22 17:47:38 +08:00
77 lines
1.7 KiB
C++
77 lines
1.7 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
|
|
//
|
|
// Purpose:
|
|
//
|
|
//=============================================================================//
|
|
|
|
#ifndef FX_BLOOD_H
|
|
#define FX_BLOOD_H
|
|
#ifdef _WIN32
|
|
#pragma once
|
|
#endif
|
|
|
|
#include "tier0/memdbgon.h"
|
|
|
|
class CBloodSprayEmitter : public CSimpleEmitter
|
|
{
|
|
public:
|
|
|
|
CBloodSprayEmitter( const char *pDebugName ) : CSimpleEmitter( pDebugName ) {}
|
|
|
|
static CBloodSprayEmitter *Create( const char *pDebugName )
|
|
{
|
|
return new CBloodSprayEmitter( pDebugName );
|
|
}
|
|
|
|
inline void SetGravity( float flGravity )
|
|
{
|
|
m_flGravity = flGravity;
|
|
}
|
|
|
|
virtual float UpdateRoll( SimpleParticle *pParticle, float timeDelta )
|
|
{
|
|
pParticle->m_flRoll += pParticle->m_flRollDelta * timeDelta;
|
|
|
|
pParticle->m_flRollDelta += pParticle->m_flRollDelta * ( timeDelta * -4.0f );
|
|
|
|
//Cap the minimum roll
|
|
/*
|
|
if ( fabs( pParticle->m_flRollDelta ) < 0.5f )
|
|
{
|
|
pParticle->m_flRollDelta = ( pParticle->m_flRollDelta > 0.0f ) ? 0.5f : -0.5f;
|
|
}
|
|
*/
|
|
|
|
return pParticle->m_flRoll;
|
|
}
|
|
|
|
virtual void UpdateVelocity( SimpleParticle *pParticle, float timeDelta )
|
|
{
|
|
if ( !( pParticle->m_iFlags & SIMPLE_PARTICLE_FLAG_NO_VEL_DECAY ) )
|
|
{
|
|
//Decelerate
|
|
static float dtime;
|
|
static float decay;
|
|
|
|
if ( dtime != timeDelta )
|
|
{
|
|
decay = ExponentialDecay( 0.1, 0.4f, dtime );
|
|
dtime = timeDelta;
|
|
}
|
|
|
|
pParticle->m_vecVelocity *= decay;
|
|
pParticle->m_vecVelocity[2] -= ( m_flGravity * timeDelta );
|
|
}
|
|
}
|
|
|
|
private:
|
|
|
|
float m_flGravity;
|
|
|
|
CBloodSprayEmitter( const CBloodSprayEmitter & );
|
|
};
|
|
|
|
#include "tier0/memdbgoff.h"
|
|
|
|
#endif // FX_BLOOD_H
|