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

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rcMarkWalkableTrianglesCos

Sets the area id of all triangles with a slope below the specified value to #RC_WALKABLE_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 rcMarkWalkableTrianglesCos
(
    rcContext * ctx,
    const float walkableSlopeCos,
    const float * verts,
    int nv,
    const int * tris,
    int nt,
    unsigned char * areas
)

Remarks

Sets the area id of all triangles with a slope below the specified value to #RC_WALKABLE_AREA.

Parameters

Parameter	Description
ctx	The build context to use during the operation.
walkableSlopeCos	The cosine of maximum slope that is considered walkable. [Limits: 0 <= value < 1]
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]

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