Unwrap UV

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Create Lightmap-ready UVs from scratch

  • Supported Platforms
  • Supported Engine Versions
    4.16-4.18

Description


Sick of "Lightmap UV are overlapping"? Want to iterate faster? Your static meshes deserve to be seen in their best light. This plugin adds true lightmap creation to Unreal Editor, without firing up a separate 3D modeling program.


We use iso-chart based UV mapping to give a simple one-click experience.

Works great on imported FBX files from SketchUp or other modeling programs that do not support lightmaps. Best results on small meshes (<10k triangles). Large meshes (100k+ tris) may take a long time to unwrap and may produce suboptimal results.

Technical Details


Features:

  • Create lightmap UVs directly from the static mesh editor
  • Calculates optimal lightmap resolution with the newly created UV

Code Modules:

  • MeshUnwrap (Editor)

Number of Blueprints: 0

Number of C++ Classes: 3

Network Replicated: No

Supported Development Platforms: Windows 64 bit

Supported Target Build Platforms: Any

Documentation: README PDF

Example Project: Demo Project


What's new?

1.2: Fix issue where generated UV channel isn't seen by the renderer

1.1: Fix crash when StaticMesh has more UV channels than RawMesh (e.g. if you use the engine's "Generate Lightmap UVs")

1.0: Initial release

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