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> Unreal Engine API Reference > Runtime > Navmesh > Recast > rcBuildRegionsChunky

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rcBuildRegionsChunky

Builds region data for the heightfield using simple monotone partitioning.

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References

Module	Navmesh
Header	/Engine/Source/Runtime/Navmesh/Public/Recast/Recast.h
Include	#include "Recast/Recast.h"
Source	/Engine/Source/Runtime/Navmesh/Private/Recast/RecastRegion.cpp

Syntax

bool rcBuildRegionsChunky
(
    rcContext * ctx,
    rcCompactHeightfield & chf,
    const int borderSize,
    const int minRegionArea,
    const int mergeRegionArea,
    const int chunkSize
)

Remarks

Builds region data for the heightfield using simple monotone partitioning.

Returns

True if the operation completed successfully.

Parameters

Parameter	Description
ctx	The build context to use during the operation.
chf	A populated compact heightfield.
borderSize	The size of the non-navigable border around the heightfield. [Limit: >=0] [Units: vx]
minRegionArea	The minimum number of cells allowed to form isolated island areas. [Limit: >=0] [Units: vx].
mergeRegionArea	Any regions with a span count smaller than this value will, if possible, be merged with larger regions. [Limit: >=0] [Units: vx]
chunkSize	Size of subregion [Units: vx]

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