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Difference between revisions of "UE3:ParticleModuleTypeDataAnimTrail (UDK)"
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Latest revision as of 06:42, 17 January 2010
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Object >> ParticleModule >> ParticleModuleTypeDataBase >> ParticleModuleTypeDataAnimTrail |
- Package:
- Engine
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ParticleModuleTypeDataAnimTrail Provides the base data for animation-based trail emitters.
Properties[edit]
Property group 'Anim'[edit]
ControlEdgeName[edit]
Type: name
The number of sheets to render for the trail.
Property group 'Rendering'[edit]
bRenderGeometry[edit]
Type: bool
If TRUE, render the trail geometry (this should typically be on)
Default value: True
bRenderSpawnPoints[edit]
Type: bool
If TRUE, render stars at each spawned particle point along the trail
bRenderTangents[edit]
Type: bool
If TRUE, render a line showing the tangent at each spawned particle point along the trail
bRenderTessellation[edit]
Type: bool
If TRUE, render the tessellated path between spawned particles
DistanceTessellationStepSize[edit]
Type: float
The distance step size for tessellation.
- Tessellation Points = Trunc((Distance Between Spawned Particles) / DistanceTessellationStepSize))
Default value: 10.0
TangentTessellationScalar[edit]
Type: float
The tangent scalar for tessellation. Angles between tangent A and B are mapped to [0.0f .. 1.0f] This is then multiplied by TangentTessellationScalar to give the number of points to tessellate
TilingDistance[edit]
Type: float
The (estimated) covered distance to tile the 2nd UV set at. If 0.0, a second UV set will not be passed in.
Property group 'Trail'[edit]
bClipSourceSegement[edit]
Type: bool
If true, do not join the trail to the source position
Default value: True
bDeadTrailsOnDeactivate[edit]
Type: bool
If true, when the system is deactivated, mark trails as dead. This means they will still render, but will not have more particles added to them, even if the system re-activates...
Default value: True
bEnablePreviousTangentRecalculation[edit]
Type: bool
If true, recalculate the previous tangent when a new particle is spawned
Default value: True
bTangentRecalculationEveryFrame[edit]
Type: bool
If true, recalculate tangents every frame to allow velocity/acceleration to be applied
SheetsPerTrail[edit]
Type: int
The number of sheets to render for the trail.
Default value: 1
