78 lines
2.2 KiB
Ucode
78 lines
2.2 KiB
Ucode
/**
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* Copyright 1998-2013 Epic Games, Inc. All Rights Reserved.
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*/
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class ParticleModuleCameraOffset extends ParticleModuleCameraBase
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native(Particle)
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editinlinenew
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hidecategories(Object);
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/**
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* The camera-relative offset to apply to sprite location
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*/
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var(Camera) rawdistributionfloat CameraOffset;
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/** If TRUE, the offset will only be processed at spawn time */
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var(Camera) bool bSpawnTimeOnly;
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/**
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* The update method for the offset
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*/
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enum EParticleCameraOffsetUpdateMethod
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{
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EPCOUM_DirectSet,
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EPCOUM_Additive,
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EPCOUM_Scalar
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};
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/**
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* How to update the offset for this module.
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* DirectSet - Set the value directly (overwrite any previous setting)
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* Additive - Add the offset of this module to the existing offset
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* Scalar - Scale the existing offset by the value of this module
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*/
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var(Camera) EParticleCameraOffsetUpdateMethod UpdateMethod;
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cpptext
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{
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/**
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* Called on a particle that is freshly spawned by the emitter.
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*
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* @param Owner The FParticleEmitterInstance that spawned the particle.
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* @param Offset The modules offset into the data payload of the particle.
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* @param SpawnTime The time of the spawn.
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*/
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virtual void Spawn(FParticleEmitterInstance* Owner, INT Offset, FLOAT SpawnTime);
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/**
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* Called on a particle that is being updated by its emitter.
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*
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* @param Owner The FParticleEmitterInstance that 'owns' the particle.
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* @param Offset The modules offset into the data payload of the particle.
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* @param DeltaTime The time since the last update.
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*/
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virtual void Update(FParticleEmitterInstance* Owner, INT Offset, FLOAT DeltaTime);
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/**
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* Returns the number of bytes that the module requires in the particle payload block.
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*
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* @param Owner The FParticleEmitterInstance that 'owns' the particle.
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*
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* @return UINT The number of bytes the module needs per particle.
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*/
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virtual UINT RequiredBytes(FParticleEmitterInstance* Owner = NULL);
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}
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defaultproperties
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{
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bSpawnModule=true
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bUpdateModule=true
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Begin Object Class=DistributionFloatConstant Name=DistributionCameraOffset
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Constant=1.0
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End Object
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CameraOffset=(Distribution=DistributionCameraOffset)
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bSpawnTimeOnly=false
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UpdateMethod=EPCOUM_DirectSet
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}
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