QuickSDFTool v1.1.0

QuickSDFTool v1.1.0 is a feature release for the stable UE 5.7.x line. It adds the 2D Canvas workflow, Live SDF preview, Windows pen/tablet improvements, Quick Stroke stabilization, timeline improvements, symmetry support, and a full documentation refresh.

Tested Environment

Use the source archive from the v1.1.0 tag and rebuild the plugin against your exact engine build. This is especially important for source-built, licensee, custom, or otherwise different Unreal Engine builds.

Highlights Since v1.0.1

• Added the 2D Canvas paint workflow for texture-space painting, preview rendering, pen input, brush resizing, and canvas stroke handling.
• Added Live SDF material preview using the GPU JFA path, with preview resolution presets.
• Added Windows pen/tablet support for pressure-driven radius, pressure toggle, pressure curve, hover, brush resize, and moved/resized canvas windows.
• Stabilized Quick Stroke in the 2D Canvas and 3D Paint, including external viewport pen strokes and throttled preview redraw for heavy pen movement.
• Added timeline preview seek angle support, per-image angle offsets, baked-angle offset visualization, and timeline interaction refinements.
• Added Overlapped UV Split / UV-island-oriented symmetry support and updated SDF generation documentation around mirrored output behavior.
• Added workflow screenshots, generated concept diagrams, Japanese documentation recovery, README badges, and updated troubleshooting guidance.

Fixes Since v1.0.1

• Fixed 2D Canvas pen input after the canvas window moves or resizes.
• Fixed 2D Canvas pen hover and brush resize handling.
• Fixed tablet hover ray resolution in 3D Paint mode.
• Fixed external viewport pen stroke handling so pen strokes do not move the camera when painting is intended.
• Reduced Quick Stroke redraw cost while moving with pen input.
• Restored timeline preview material refresh and polished bake-handle interactions.

Upgrade Notes

• The plugin descriptor now reports VersionName as 1.1.0.
• This release adds user-facing editor workflows and editor settings. Existing v1.0.x assets should load, but projects should be backed up before adopting the new workflow.
• The supported target remains UE 5.7.x, with UE 5.7.4 as the required verification version. Treat UE 5.8+ as unverified until a later release explicitly adds it to the tested matrix.
• No Launcher UE 5.7.4 Win64 binary package is attached at release creation time. Build from source unless a verified binary asset is added to the release later.

Known Limitations

• UV layout can affect the relationship between brush size and painted area, especially on heavily stretched or uneven UV islands. Use clean UVs or the 2D Canvas for precise texture-space edits.
• Live SDF is a preview-only GPU JFA approximation. The saved Generated SDF output still uses the CPU generation path.
• UE 5.8+ compatibility is intended but unverified for this release.
• Real UI screenshots are still needed for several documentation states, including static 2D Canvas pen alignment, 3D pen hover, and Quick Stroke in 2D/3D.

Verification Steps

1. Build the plugin in a C++ UE 5.7.4 project.
2. Enter Quick SDF mode and confirm Select mode active-slot overlay and Material Slots behavior.
3. Paint in 3D Screen mode with mouse and pen, confirming the green brush preview tracks hover and strokes.
4. Open the 2D Canvas, move/resize the canvas window, and confirm pen hover, pressure radius, painting, and Ctrl + F brush resize remain aligned.
5. Hold to activate Quick Stroke in both 2D Canvas and 3D Paint; confirm movement is responsive and release commits the final position.
6. Enable Live SDF and verify preview updates at 128 px, 256 px, 512 px, and 1024 px presets.
7. Check timeline seek/keyframe interaction, paint target ranges, symmetry mode, Monotonic Guard clipping, and final SDF generation.

Release Assets

• Source archive generated by GitHub from the v1.1.0 tag.
• A packaged Win64 plugin zip should be added only after building and verifying it with Epic Games Launcher UE 5.7.4.

Packaging Checklist

1. Run RunUAT.bat BuildPlugin with Epic Games Launcher UE 5.7.4 to package the plugin into C:\tmp\QuickSDFTool-v1.1.0-UE57Launcher-Win64:

   RunUAT.bat BuildPlugin -Plugin="C:\path\to\QuickSDFTool\QuickSDFTool.uplugin" -Package="C:\tmp\QuickSDFTool-v1.1.0-UE57Launcher-Win64" -TargetPlatforms=Win64 -Rocket
   

2. Zip the packaged plugin directory as QuickSDFTool-v1.1.0-UE57Launcher-Win64.zip.
3. Upload the zip to the GitHub release for v1.1.0 after verifying it in a clean Launcher UE 5.7.4 C++ project.