Popping Ribbon UVs

Please see the Additional Link for related UDN information.

The UV popping described can be subtle, depending on settings; it's affected by spawn rate and GPU vs CPU. The popping shown in the gif turned a user away from this approach.

1. Create Niagara System with ribbon emitter
2. Settings as follows:
   1. CPU

Spawn Rate: 30

Lifetime: Direct Set, 1

Gravity: 0 0 -980 (default)

Drag: 0.25

Ribbon Renderer –

UV0 Mode: Tiled (By Segment Length)

UV0 Leading Edge: Smooth

UV0 Tiling Length: adjust depending on the lifetime and size of the ribbon

UV1 Mode: whatever looks best with the material you're using

UV1 Leading Edge: Locked

UV1 Trailing Edge: Locked

1. Zoom in as needed
2. Observe popping in UV position as ribbon sections are spawned