Particle Systems Feed Broken Values to Dynamic Parameters in Materials with Instanced Stereo Enabled

Rendering - Cascade - Jul 11, 2019

Particle Systems Feed Boroken Values to Dynamic Parameters in Materials with Instanced Stereo Enabled Working as expected in 4.21 CL# 4753647 Found in 4.22 CL# 7053642, 4.23 Preview 1 CL# 7236301, ...

Previous Tangent Recalc` and Size by Life misbehave at low FPS

Rendering - Cascade - Jun 18, 2019

At low FPS particle systems with "Previous Tangent Recalculation" enabled in the Ribbon Data result in messy mesh generation. Found in 4.21 CL# 4753647, 4.22 CL# 6574378, 4.23 CL# 6925347, and 4.24 ...

Particle systems have frame rate dependent simulations when Min Time Between Ticks is set, and ticking is managed

Rendering - Cascade - Jun 11, 2019

Managed ticking when combined with Min Time Between Ticks will cause particle velocity to vary depending on frame rate. ...

Async Tick error on Particle System

Rendering - Cascade - Jun 4, 2019

Whenever adding a Beam Data module along with Beam Source and Target, the Cascade editor produces an "NO ASYNC TICK" error. Tested in 4.21.2 (CL - 4753647), 4.22.2 (CL - 6547378), 4.23 (CL - 682596 ...

When the particle system manager is enabled particle system components will always tick in start physics

Rendering - Cascade - May 24, 2019

The particle manager only accounts for the particle system component's attach parent's EndTickGroup. When setting the tick group through the actor component the TickGroup is set instead of the EndTi ...

Ribbon particles moving fast are inconsistent in initial position.

Rendering - Cascade - May 21, 2019

The fast-moving ribbon particle trail looks different on the server and client. It looks as though the client was drawing the previous frame. ...

Flickering / Color Shift in Right eye with Cascade Particle + Instanced Stereo

Rendering - Cascade - May 13, 2019

Flickering or shifted color will be seen in the Right Eye. User reports that moving the nodes from the material function to the base graph resolves the issue. Confirmed in 4.23 MAIN branch @ CL 6 ...

Adding an LOD while in PIE or Simulate Cauases the Editor to Crash

Rendering - Cascade - Apr 29, 2019

If you add an LOD while the editor is simulating or playing, the Editor Crashes. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5660361, 4.23 CL# 6063286 ...

Client crashes when executing seamless travel with an active particle system in the level that was spawned at runtime

Rendering - Cascade - Apr 16, 2019

Clients crash when being part of a Seamless Travel if there was an active particle system in the level that was spawned at runtime. If the travel is not seamless, the particle system is placed in th ...

Changing particle system template via Blueprints crashes Editor and packaged game

Rendering - Cascade - Apr 4, 2019

Setting a ParticleSystem component in a Blueprint to none/null with a "Set Template" node causes the editor and the packaged project to crash. I have noticed this when migrating my game to 4.22, whi ...