Unreal Engine 4.26 Documentation

Unreal Engine 4.27 Documentation

Unreal Engine 5.0 Documentation

Unreal Engine 5.1 Documentation

Unreal Engine 5.2 Documentation

Unreal Engine 5.3 Documentation

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

Light Theme

Dark Theme

rcClearUnwalkableTriangles

Sets the area id of all triangles with a slope greater than or equal to the specified value to #RC_NULL_AREA.

Windows

MacOS

Linux

References

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

Syntax

void rcClearUnwalkableTriangles
(
    rcContext * ctx,
    const float walkableSlopeAngle,
    const float * verts,
    int nv,
    const int * tris,
    int nt,
    unsigned char * areas
)

Remarks

Sets the area id of all triangles with a slope greater than or equal to the specified value to #RC_NULL_AREA.

Only sets the aread id's for the unwalkable triangles. Does not alter the area id's for walkable triangles.

See the rcConfig documentation for more information on the configuration parameters.

Parameters

Parameter	Description
ctx	The build context to use during the operation.
walkableSlopeAngle	The maximum slope that is considered walkable. [Limits: 0 <= value < 90] [Units: Degrees]
verts	The vertices. [(x, y, z) * nv]
nv	The number of vertices.
tris	The triangle vertex indices. [(vertA, vertB, vertC) * nt]
nt	The number of triangles.
areas	The triangle area ids. [Length: >= nt]