Features:
• Lightweight deformable snow framework using 4 Render Targets for trail capture and simulation
• Real-time trail deformation
• Edge buildup along trails for richer volume
• Powdery falloff / fluffy scattering details
• Time-based recovery (surface gradually smooths back)
• Demo includes two implementations: High-poly plane (WPO vertex deformation) and Nanite plane (UE 5.4 Nanite Tessellation)
• Main learning entry: Blueprints → BP_SnowGenerator (study / modify / extend)

Number of Blueprints: 3

Input:
Keyboard & Mouse. The demo includes an extra key: E — toggle ragdoll (character falls to the ground) for testing body-pressed snow deformation.

Network Replicated: No

Supported Development Platforms:
• Windows: Yes
• Mac: Not tested

Documentation Link:
Included in the Demo Map (in-world notes) and commented Blueprints.
Please open the map in Content/Demo/Maps/Demo to see how I set up these planes to make them deform.

Important/Additional Notes:
• Nanite Tessellation must be enabled to use the Nanite-based deformable snow demo. Please make sure you have enabled Nanite Tessellation in the engine and enabled the "NaniteDisplacedMesh" plugin, otherwise you may not see any effect!
• A VHM (Virtual Heightfield Mesh) demo is not included. If you want to use VHM, please configure it yourself
• Performance tip: Render Target resolution is configurable — adjust RT size to match your quality/performance needs.

ShiyongLiu

ShiyongLiu

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