Surface trails system allows you to capture trails from objects on a surface. As main usage example there is snow landscape demo with character and physics objects leaving deformation trails after them.
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Surface trails system allows you to capture trails from characters or any other objects on a surface by attaching spherical components to them. As main usage example there is snow landscape demo with walking character and physics objects leaving deformation trails after them. 100% Blueprints.
System uses rendering to render targets, so it will affect GPU performance. This can be optimized for low performance platforms by decreasing render target resolution. By default resolution is 2048x2048 and all render targets will cost 24 MB of GPU memory.
If you are going to use snow deformation from example for your project, make sure that landscape tessellation also fits your performance budget.
The system works in multiplayer independently for each player because it depends of player camera. It will produce similar results for different players as long as their cameras are closer to each other then the parameter MaxDistance in BP_TrailsManager. When testing in multiplayer be sure that game instances DON'T use single editor process. Uncheck checkbox 'Use single process' in 'Advanced Settings...' under the Play button. (UE4 documentation page)
Number of Blueprints: 6
Network Replicated: No
Supported Development Platforms: Windows
Supported Target Build Platforms: Windows
Documentation: ExampleMap and tutorial video
Additional information: Asset is distributed as a complete project (because of necessity to handle user input for demo purpose), however system itself doesn't require any additional project configuration and can be easily migrated.