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 Blueprint API Reference > Components > Procedural Mesh > Update Mesh Section

Light Theme

Dark Theme

Update Mesh Section

Windows

MacOS

Linux

Updates a section of this procedural mesh component. This is faster than CreateMeshSection, but does not let you change topology. Collision info is also updated.

Target is Procedural Mesh Component

Update Mesh Section

Target

Section Index

Vertices

Normals

UV0

UV1

UV2

UV3

Vertex Colors

Tangents

Inputs

	In Exec
	Target Procedural Mesh Component Object Reference
	Section Index Integer
	Vertices Array of Vectors	Vertex buffer of all vertex positions to use for this mesh section.
	Normals Array of Vectors	Optional array of normal vectors for each vertex. If supplied, must be same length as Vertices array.
	UV0 Array of Vector 2D Structures	Optional array of texture co-ordinates for each vertex. If supplied, must be same length as Vertices array.
	UV1 Array of Vector 2D Structures
	UV2 Array of Vector 2D Structures
	UV3 Array of Vector 2D Structures
	Vertex Colors Array of Linear Color Structures	Optional array of colors for each vertex. If supplied, must be same length as Vertices array.
	Tangents Array of Proc Mesh Tangent Structures	Optional array of tangent vector for each vertex. If supplied, must be same length as Vertices array.

Outputs

Out

Exec

Help shape the future of Unreal Engine documentation! Tell us how we're doing so we can serve you better.

Take our survey

Dismiss