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  3. Buoyancy

Buoyancy

API > API/Plugins

Classes

  Type Name Description
Public struct FBuoyancyInteraction Each particle will have a list of potential midphases to process, which must be sorted in descending Z order.  
Public class FBuoyancyModule    
Public struct FBuoyancyParticleData    
Public struct FBuoyancySettings Buoyancy Settings  
Public struct FBuoyancySubmersion A minimal struct of data tracking all the submersions in a frame.  
Public struct FBuoyancySubmersionMetaData Metadata for submersions, used for event callbacks.  
Public class FBuoyancySubsystemSimCallback NOTE: The Presimulate option is only needed for proper registry with the solver.  
Public struct FBuoyancySubsystemSimCallbackInput Buoyancy Sim Callback  
Public struct FBuoyancySubsystemSimCallbackOutput    
Public struct FBuoyancyWaterSplineData    
Public class FBuoyancyWaterSplineDataManager Callback object for keeping water splines up to date on the physics thread  
Public class FSplineKeyCacheGrid    
Public struct FSubmersion Minimal struct containing essential data about a particular submersion.  
Public class IBuoyancyEventInterface    
Public class UBuoyancyEventInterface    
Public class UClass Meta Config defaultconfig UBuoyancyRuntimeSettings    
Public class UClass UBuoyancySubsystem Buoyancy Subsystem  

Constants

Name Description
MaxNumBuoyancyInteractions  

Typedefs

Name Description
FBuoyancyInteractionArray  

Enums

  Type Name Description
Public enum UEnum BlueprintType meta EBuoyancyEventFlags    

Functions

  Type Name Description
Public function bool

BuoyancyAlgorithms::ComputeSubmergedVolume ( FBuoyancyParticleData& ParticleData,
const Chaos::FGeometryParticleHandle* ParticleA,
const Chaos::FGeometryParticleHandle* ParticleB,
int32 NumSubdivisions,
float MinVolume,
float& SubmergedVol,
Chaos::FVec3& SubmergedCoM
)

 Compute an approximate volume and center of mass of particle B submerged in particle A.
Public function bool

BuoyancyAlgorithms::ComputeSubmergedVolume ( FBuoyancyParticleData& ParticleData,
const Chaos::FPBDRigidsEvolutionGBF& Evolution,
const Chaos::FGeometryParticleHandle* ParticleA,
const Chaos::FGeometryParticleHandle* ParticleB,
int32 NumSubdivisions,
float MinVolume,
float& SubmergedVol,
Chaos::FVec3& SubmergedCoM,
float& TotalVol
)

 Compute an approximate volume and center of mass of particle B submerged in particle A, adjusting for the volume of the object based on the material density and mass of the object
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Subsystem_UpdateBuoyancySettings"),
STAT_BuoyancySubsystem_UpdateBuoyancySettings,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Subsystem_ProcessInteraction"),
STAT_BuoyancySubsystem_ProcessInteraction,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Algorithms_ComputeSubmergedVolume"),
STAT_BuoyancyAlgorithms_ComputeSubmergedVolume,
STATGROUP_Buoyancy
)

 Algorithms.
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Algorithms_ComputeSubmergedBounds"),
STAT_BuoyancyAlgorithms_ComputeSubmergedBounds,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Algorithms_ScaleSubmergedVolume"),
STAT_BuoyancyAlgorithms_ScaleSubmergedVolume,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Algorithms_SubdivideBounds"),
STAT_BuoyancyAlgorithms_SubdivideBounds,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Algorithms_ComputeBuoyantForces"),
STAT_BuoyancyAlgorithms_ComputeBuoyantForces,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Algorithms_SubmergeShapeInternal"),
STAT_BuoyancyAlgorithms_SubmergeShapeInternal,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Algorithms_ComputeSubmergedVolumeAndForcesForShape"),
STAT_BuoyancyAlgorithms_ComputeSubmergedVolumeAndForcesForShape,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Subsystem_ShallowWaterIntegrateForces"),
STAT_BuoyancySubsystem_ShallowWaterIntegrateForces,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Algorithms_FindAllIntersectionPoints"),
STAT_BuoyancyAlgorithms_FindAllIntersectionPoints,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Algorithms_SortIntersectionPointsByAngle"),
STAT_BuoyancyAlgorithms_SortIntersectionPointsByAngle,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Algorithms_ComputeTriangleAreaAndVolume"),
STAT_BuoyancyAlgorithms_ComputeTriangleAreaAndVolume,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Algorithms_ComputeFluidForceForTriangle"),
STAT_BuoyancyAlgorithms_ComputeFluidForceForTriangle,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Algorithms_ComputeBuoyantForceForShape"),
STAT_BuoyancyAlgorithms_ComputeBuoyantForceForShape,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_ParticleData_GetData"),
STAT_BuoyancyParticleData_GetData,
STATGROUP_Buoyancy
)

 Particle Data.
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Algorithms_ComputeSubmergedVolumeAndForcesForParticle"),
STAT_BuoyancyAlgorithms_ComputeSubmergedVolumeAndForcesForParticle,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Subsystem_DispatchCallbacks"),
STAT_BuoyancySubsystem_DispatchCallbacks,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_ParticleData_OptimizeMemory"),
STAT_BuoyancyParticleData_OptimizeMemory,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_ParticleData_Reset"),
STAT_BuoyancyParticleData_Reset,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Subsystem_OnPreSimulate"),
STAT_BuoyancySubsystem_OnPreSimulate,
STATGROUP_Buoyancy
)

 Subsystem.
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Subsystem_OnMidPhaseModification"),
STAT_BuoyancySubsystem_OnMidPhaseModification,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Subsystem_VisitMidphases"),
STAT_BuoyancySubsystem_VisitMidphases,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Subsystem_TrackInteraction"),
STAT_BuoyancySubsystem_TrackInteraction,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Subsystem_DisableMidPhase"),
STAT_BuoyancySubsystem_DisableMidPhase,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Subsystem_AddInteraction"),
STAT_BuoyancySubsystem_AddInteraction,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Subsystem_UpdateWaterBodiesList"),
STAT_BuoyancySubsystem_UpdateWaterBodiesList,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Subsystem_SplineEvaluation"),
STAT_BuoyancySubsystem_SplineEvaluation,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Subsystem_SplineEvaluation_Eval"),
STAT_BuoyancySubsystem_SplineEvaluation_Eval,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Subsystem_BuildSubmersions"),
STAT_BuoyancySubsystem_BuildSubmersions,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Subsystem_BuildSubmersionCallbackData"),
STAT_BuoyancySubsystem_BuildSubmersionCallbackData,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Subsystem_ApplyBuoyantForces"),
STAT_BuoyancySubsystem_ApplyBuoyantForces,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Subsystem_ProduceSurfaceTouches"),
STAT_BuoyancySubsystem_ProduceSurfaceTouches,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Subsystem_GenerateAllocationData"),
STAT_BuoyancySubsystem_GenerateAllocationData,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Subsystem_Tick"),
STAT_BuoyancySubsystem_Tick,
STATGROUP_Buoyancy
)

  
Public function  

DECLARE_CYCLE_STAT ( TEXT("Buoyancy_Subsystem_SplineEvaluation_FindNearest"),
STAT_BuoyancySubsystem_SplineEvaluation_FindNearest,
STATGROUP_Buoyancy
)

  
Public function    
Public function  

LLM_DECLARE_TAG ( BuoyancyParticleDataTag
)

 Memory tracking tags.

Variables

  Type Name Description
Public variable   STATCAT_Advanced  

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