DOCUMENTATION

Primer Niagara UI renders Niagara particle systems directly into UMG via Slate MakeCustomVerts.

• At Editor Time

• At Runtime

Author the effect in Niagara, drop a widget in, done:

• Drop in the widget

• Assign a Niagara System

• Setup and Animate View Transform

• Hit play!

A faithful Niagara-to-UMG bridge: no render targets, no Scene Capture, no extra composited pass.

CORE FEATURES

• Direct Niagara-to-Slate vertex translation

• Sprite and Ribbon renderer translator pattern, add more yourself

• Automatic mouse-to-Niagara-space tracking, live in the Designer canvas

• Per-widget Dynamic Material Instances with source-to-UI material remapping

• Data Asset View Transform setup (allows runtime tweaking of view for easy setup)

• Editor-only live Designer preview

• Debug overlay and ribbon bucketing stats log

• Demo level with sample widget and effects

• Bonus material based effects

How To

• Drop a Primer Particle Widget into a UMG widget blueprint

• Assign a Niagara System and Widget Size

• Adjust Render Scale / View Transform to frame the effect

• Activate / Deactivate / Set Niagara Paused from Blueprint

Use Cases

• Animated UMG buttons and hover effects driven by real Niagara systems

• Cursor-following particle effects in menus and HUDs

• Decorative UI flourishes without a SceneCapture pass

• Reusing existing world-space Niagara art directly in UI

PRIMERS

Part of the Primer series, this plugin prioritizes clarity, control, and practical workflows.