140 lines
4.3 KiB
Ucode
140 lines
4.3 KiB
Ucode
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/**
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* ParticleModuleBeamNoise
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*
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* This module implements noise for a beam emitter.
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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 ParticleModuleBeamNoise extends ParticleModuleBeamBase
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native(Particle)
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editinlinenew
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hidecategories(Object);
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/** Is low frequency noise enabled. */
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var(LowFreq) bool bLowFreq_Enabled;
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/** The frequency of noise points. */
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var(LowFreq) int Frequency;
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/**
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* If not 0, then the frequency will select a random value in the range
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* [Frequency_LowRange..Frequency]
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*/
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var(LowFreq) int Frequency_LowRange;
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/** The noise point ranges. */
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var(LowFreq) rawdistributionvector NoiseRange;
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/** A scale factor that will be applied to the noise range. */
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var(LowFreq) rawdistributionfloat NoiseRangeScale;
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/**
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* If TRUE, the NoiseRangeScale will be grabbed based on the emitter time.
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* If FALSE, the NoiseRangeScale will be grabbed based on the particle time.
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*/
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var(LowFreq) bool bNRScaleEmitterTime;
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/** The speed with which to move each noise point. */
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var(LowFreq) rawdistributionvector NoiseSpeed;
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/** Whether the noise movement should be smooth or 'jerky'. */
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var(LowFreq) bool bSmooth;
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/** Default target-point information to use if the beam method is endpoint. */
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var(LowFreq) float NoiseLockRadius;
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/** INTERNAL - Whether the noise points should be locked. */
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var const bool bNoiseLock;
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/** Whether the noise points should be oscillate. */
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var(LowFreq) bool bOscillate;
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/** How long the noise points should be locked - 0.0 indicates forever. */
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var(LowFreq) float NoiseLockTime;
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/** The tension to apply to the tessellated noise line. */
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var(LowFreq) float NoiseTension;
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/** If TRUE, calculate tangents at each noise point. */
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var(LowFreq) bool bUseNoiseTangents;
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/** The strength of noise tangents, if enabled. */
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var(LowFreq) rawdistributionfloat NoiseTangentStrength;
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/** The amount of tessellation between noise points. */
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var(LowFreq) int NoiseTessellation;
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/**
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* Whether to apply noise to the target point (or end of line in distance mode...)
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* If TRUE, the beam could potentially 'leave' the target...
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*/
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var(LowFreq) bool bTargetNoise;
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/**
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* The distance at which to deposit noise points.
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* If 0.0, then use the static frequency value.
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* If not, distribute noise points at the given distance, up to the static Frequency value.
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* At that point, evenly distribute them along the beam.
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*/
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var(LowFreq) float FrequencyDistance;
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/** If TRUE, apply the noise scale to the beam. */
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var(LowFreq) bool bApplyNoiseScale;
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/**
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* The scale factor to apply to noise range.
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* The lookup value is determined by dividing the number of noise points present by the
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* maximum number of noise points (Frequency).
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*/
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var(LowFreq) rawdistributionfloat NoiseScale;
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cpptext
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{
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virtual void Spawn(FParticleEmitterInstance* Owner, INT Offset, FLOAT SpawnTime);
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virtual void Update(FParticleEmitterInstance* Owner, INT Offset, FLOAT DeltaTime);
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virtual void SetToSensibleDefaults(UParticleEmitter* Owner);
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virtual void PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent);
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void GetNoiseRange(FVector& NoiseMin, FVector& NoiseMax);
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}
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defaultproperties
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{
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Frequency=0
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Begin Object Class=DistributionVectorConstant Name=DistributionNoiseRange
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Constant=(X=50,Y=50,Z=50)
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End Object
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NoiseRange=(Distribution=DistributionNoiseRange)
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Begin Object Class=DistributionFloatConstant Name=DistributionNoiseRangeScale
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Constant=1.0
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End Object
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NoiseRangeScale=(Distribution=DistributionNoiseRangeScale)
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NoiseLockRadius=1.0
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Begin Object Class=DistributionVectorConstant Name=DistributionNoiseSpeed
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Constant=(X=50,Y=50,Z=50)
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End Object
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NoiseSpeed=(Distribution=DistributionNoiseSpeed)
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bSmooth=false
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bNoiseLock=false
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bOscillate=false
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NoiseLockTime=0.0
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NoiseTension=0.5
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Begin Object Class=DistributionFloatConstant Name=DistributionNoiseTangentStrength
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Constant=250.0
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End Object
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NoiseTangentStrength=(Distribution=DistributionNoiseTangentStrength)
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NoiseTessellation=1
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bTargetNoise=false
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Begin Object Class=DistributionFloatConstantCurve Name=DistributionNoiseScale
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End Object
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NoiseScale=(Distribution=DistributionNoiseScale)
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}
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