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| author | Joe Ludwig <[email protected]> | 2013-06-26 15:22:04 -0700 |
|---|---|---|
| committer | Joe Ludwig <[email protected]> | 2013-06-26 15:22:04 -0700 |
| commit | 39ed87570bdb2f86969d4be821c94b722dc71179 (patch) | |
| tree | abc53757f75f40c80278e87650ea92808274aa59 /mp/src/game/client/c_impact_effects.h | |
| download | source-sdk-2013-39ed87570bdb2f86969d4be821c94b722dc71179.tar.xz source-sdk-2013-39ed87570bdb2f86969d4be821c94b722dc71179.zip | |
First version of the SOurce SDK 2013
Diffstat (limited to 'mp/src/game/client/c_impact_effects.h')
| -rw-r--r-- | mp/src/game/client/c_impact_effects.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/mp/src/game/client/c_impact_effects.h b/mp/src/game/client/c_impact_effects.h new file mode 100644 index 00000000..14834d35 --- /dev/null +++ b/mp/src/game/client/c_impact_effects.h @@ -0,0 +1,108 @@ +//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose:
+//
+//=============================================================================//
+
+#ifndef C_IMPACT_EFFECTS_H
+#define C_IMPACT_EFFECTS_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "tier0/memdbgon.h"
+
+//-----------------------------------------------------------------------------
+// Purpose: DustParticle emitter
+//-----------------------------------------------------------------------------
+class CDustParticle : public CSimpleEmitter
+{
+public:
+
+ CDustParticle( const char *pDebugName ) : CSimpleEmitter( pDebugName ) {}
+
+ //Create
+ static CDustParticle *Create( const char *pDebugName="dust" )
+ {
+ return new CDustParticle( pDebugName );
+ }
+
+ //Roll
+ virtual float UpdateRoll( SimpleParticle *pParticle, float timeDelta )
+ {
+ pParticle->m_flRoll += pParticle->m_flRollDelta * timeDelta;
+
+ pParticle->m_flRollDelta += pParticle->m_flRollDelta * ( timeDelta * -8.0f );
+
+#ifdef _XBOX
+ //Cap the minimum roll
+ if ( fabs( pParticle->m_flRollDelta ) < 0.1f )
+ {
+ pParticle->m_flRollDelta = ( pParticle->m_flRollDelta > 0.0f ) ? 0.1f : -0.1f;
+ }
+#else
+ if ( fabs( pParticle->m_flRollDelta ) < 0.5f )
+ {
+ pParticle->m_flRollDelta = ( pParticle->m_flRollDelta > 0.0f ) ? 0.5f : -0.5f;
+ }
+#endif // _XBOX
+
+ return pParticle->m_flRoll;
+ }
+
+ //Velocity
+ virtual void UpdateVelocity( SimpleParticle *pParticle, float timeDelta )
+ {
+ Vector saveVelocity = pParticle->m_vecVelocity;
+
+ //Decellerate
+ static float dtime;
+ static float decay;
+
+ if ( dtime != timeDelta )
+ {
+ dtime = timeDelta;
+ float expected = 0.5;
+ decay = exp( log( 0.0001f ) * dtime / expected );
+ }
+
+ pParticle->m_vecVelocity = pParticle->m_vecVelocity * decay;
+
+#ifdef _XBOX
+ //Cap the minimum speed
+ if ( pParticle->m_vecVelocity.LengthSqr() < (8.0f*8.0f) )
+ {
+ VectorNormalize( saveVelocity );
+ pParticle->m_vecVelocity = saveVelocity * 8.0f;
+ }
+#else
+ if ( pParticle->m_vecVelocity.LengthSqr() < (32.0f*32.0f) )
+ {
+ VectorNormalize( saveVelocity );
+ pParticle->m_vecVelocity = saveVelocity * 32.0f;
+ }
+#endif // _XBOX
+ }
+
+ //Alpha
+ virtual float UpdateAlpha( const SimpleParticle *pParticle )
+ {
+ float tLifetime = pParticle->m_flLifetime / pParticle->m_flDieTime;
+ float ramp = 1.0f - tLifetime;
+
+ //Non-linear fade
+ if ( ramp < 0.75f )
+ ramp *= ramp;
+
+ return ramp;
+ }
+
+private:
+ CDustParticle( const CDustParticle & ); // not defined, not accessible
+};
+
+void GetColorForSurface( trace_t *trace, Vector *color );
+
+#include "tier0/memdbgoff.h"
+
+#endif // C_IMPACT_EFFECTS_H
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