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  3. FSpatialAccelerationBroadPhase

FSpatialAccelerationBroadPhase

A broad phase that iterates over particle and uses a spatial acceleration structure to output potentially overlapping SpatialAccelerationHandles.

API > API/Runtime > API/Runtime/Chaos

A broad phase that iterates over particle and uses a spatial acceleration structure to output potentially overlapping SpatialAccelerationHandles.

   
Name FSpatialAccelerationBroadPhase
Type class
Header File /Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/Collision/SpatialAccelerationBroadPhase.h
Include Path #include "Chaos/Collision/SpatialAccelerationBroadPhase.h"

Syntax

class FSpatialAccelerationBroadPhase

Constructors

Name Remarks Include Path Unreal Specifiers

FSpatialAccelerationBroadPhase ( const FPBDRigidsSOAs& InParticles
)

   Chaos/Collision/SpatialAccelerationBroadPhase.h  

Typedefs

Name Type Remarks Include Path
FAccelerationStructure ISpatialAcceleration< FAccelerationStructureHandle, FReal, 3 >   Chaos/Collision/SpatialAccelerationBroadPhase.h

Variables

Protected

Name Type Remarks Include Path Unreal Specifiers
bNeedsResim bool   Chaos/Collision/SpatialAccelerationBroadPhase.h  
BroadphaseContexts TArray< Private::FBroadPhaseContext >   Chaos/Collision/SpatialAccelerationBroadPhase.h  
ContextsWithConstraints TArray< int32 > Contexts indexes in which there are constraints. Chaos/Collision/SpatialAccelerationBroadPhase.h  
IgnoreCollisionManager FIgnoreCollisionManager   Chaos/Collision/SpatialAccelerationBroadPhase.h  
NumActiveBroadphaseContexts int32   Chaos/Collision/SpatialAccelerationBroadPhase.h  
NumBroadPhasePairs int32   Chaos/Collision/SpatialAccelerationBroadPhase.h  
NumMidPhases int32   Chaos/Collision/SpatialAccelerationBroadPhase.h  
Particles const FPBDRigidsSOAs &   Chaos/Collision/SpatialAccelerationBroadPhase.h  
PendingTasks TArray< UE::Tasks::FTask >   Chaos/Collision/SpatialAccelerationBroadPhase.h  
SpatialAcceleration const FAccelerationStructure *   Chaos/Collision/SpatialAccelerationBroadPhase.h  

Functions

Public

Name Remarks Include Path Unreal Specifiers

void ComputeParticlesOverlaps ( ViewType& OverlapView,
FReal Dt,
const SpatialAccelerationType& InSpatialAcceleration,
Private::FCollisionConstraintAllocator* Allocator,
const FCollisionDetectorSettings& Settings
)

 This function is the outer loop of collision detection. It loops over the particles view and do the broadphase + narrowphase collision detection. Chaos/Collision/SpatialAccelerationBroadPhase.h  

void GatherConstraints ( bool bIsDeterministic
)

   Chaos/Collision/SpatialAccelerationBroadPhase.h  

FIgnoreCollisionManager & GetIgnoreCollisionManager()

   Chaos/Collision/SpatialAccelerationBroadPhase.h  

int32 GetNumBroadPhasePairs()

 Stats. Chaos/Collision/SpatialAccelerationBroadPhase.h  

int32 GetNumMidPhases()

   Chaos/Collision/SpatialAccelerationBroadPhase.h  

void ProduceCollisions ( FReal Dt
)

 Generate all the collision constraints for the set of overlapping objects produced by the broad phase Chaos/Collision/SpatialAccelerationBroadPhase.h  

void ProduceOverlaps ( FReal Dt,
Private::FCollisionConstraintAllocator* Allocator,
const FCollisionDetectorSettings& Settings,
IResimCacheBase* ResimCache
)

 Generate all overlapping pairs and spawn a midphase object to handle collisions for each of them Chaos/Collision/SpatialAccelerationBroadPhase.h  

void ProduceOverlaps ( FReal Dt,
const T_SPATIALACCELERATION& InSpatialAcceleration,
Private::FCollisionConstraintAllocator* Allocator,
const FCollisionDetectorSettings& Settings,
IResimCacheBase* ResimCache
)

   Chaos/Collision/SpatialAccelerationBroadPhase.h  

void SetSpatialAcceleration ( const FAccelerationStructure* InSpatialAcceleration
)

   Chaos/Collision/SpatialAccelerationBroadPhase.h  

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