74 lines
2.7 KiB
Ucode
74 lines
2.7 KiB
Ucode
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/**
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* ParticleModuleTrailSpawn
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* The trail spawn module.
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*
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* Copyright 1998-2013 Epic Games, Inc. All Rights Reserved.
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*/
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class ParticleModuleTrailSpawn extends ParticleModuleTrailBase
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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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// Trail Spawning Variables
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//*************************************************************************************************
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enum ETrail2SpawnMethod
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{
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/** Use the emitter spawn settings */
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PET2SM_Emitter,
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/** Spawn based on the velocity of the source */
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PET2SM_Velocity,
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/** Spawn base on the distanced covered by the source */
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PET2SM_Distance
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};
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/**
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* This parameter will map a given distance range [MinInput..MaxInput]
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* to the given spawn values [MinOutput..MaxOutput]
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* Anything below the MinOutput will result in no particles being spawned
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* NOTE: The distance travelled is accumulated. If it takes 10 frames to travel the min.
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* distance, then MinOutput particles will be spawned every 10 frames...
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* IMPORTANT! This type must be a floatparticleparam type, but nothing is forcing it now!
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*/
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var(Spawn) export noclear distributionfloatparticleparameter SpawnDistanceMap;
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/**
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* The minimum velocity the source must be travelling at in order to spawn particles.
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*/
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var(Spawn) float MinSpawnVelocity;
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//*************************************************************************************************
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// C++ Text
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//*************************************************************************************************
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cpptext
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{
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virtual void PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent);
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virtual void PostLoad();
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// Trail
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// virtual void GetDataPointers(FParticleEmitterInstance* Owner, const BYTE* ParticleBase,
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// INT& CurrentOffset, FBeam2TypeDataPayload*& BeamData, FVector*& InterpolatedPoints,
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// FLOAT*& NoiseRate, FVector*& TargetNoisePoints, FVector*& CurrentNoisePoints,
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// FLOAT*& TaperValues);
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UINT GetSpawnCount(FParticleTrail2EmitterInstance* TrailInst, FLOAT DeltaTime);
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}
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//*************************************************************************************************
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// Default properties
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//*************************************************************************************************
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defaultproperties
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{
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Begin Object Class=DistributionFloatParticleParameter Name=DistributionSpawnDistanceMap
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ParameterName="None"
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MinInput=10.0
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MaxInput=100.0
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MinOutput=1.0
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MaxOutput=5.0
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Constant=1.0
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End Object
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SpawnDistanceMap=DistributionSpawnDistanceMap
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MinSpawnVelocity=0.0
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}
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