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Easy Snow allows artists to create highly-realistic snow using a Blueprint system and harnessing Niagara particles. Each snowflake is a 3D model based on real-world snow clumps, which get lit, shaded, and rendered in a realistic manner. With it, you can create heavy snowfalls, stormy blizzards, or light flurries in seconds. EasySnow is intended for rendering with the Movie Render Queue & Pathtracing. It can be used for games if tweaked accordingly (sprites can be used instead of 3D meshes for the particles), but the main focus is on maximum quality. When combined with the Movie Render Queue, EasySnow renders beautiful, falling snow that motion-blurs in a realistic way.
Easy Snow also includes a Material Function to easily add and blend accumulated snowfall to all of your models in a level when connected to a Master Material (See snow on the models in the screenshots). This world snow Material Function supports Nanite Tessellation/Displacement for realistic results. It also supports snow glimmering effects, and full art direction capabilities such as controlling the amount, the falloff, and the general breakup patterns on the accumulated snow itself.Game-Ready version coming in a version update soon!
Troubleshooting:
IF you are running into displacement issues, try to set your Displacement Center value to 0 in your master material. You'll find this in the material details panel on the left. If left at default (0.5) it is possible to get odd results depending on your material.
Disclaimer:
Reported crashes for Mac users.
Nanite Tessellation/Displacement only works on Windows/DirectX 12.
For Nanite Disaplcement to work, you need the following 2 console variables in your defaultEngine.ini file:
r.Nanite.AllowTessellation=1
r.Nanite.Tessellation=1
Easy Snow 可讓美工人員使用 Blueprint 系統和 Niagara 微粒來製作高度逼真的雪花。每一朵雪花都是以真實世界的雪塊為基礎的 3D 模型，它們會以逼真的方式進行照明、陰影和渲染。有了它，您可以在幾秒鐘內製作大雪、暴風雪或輕微的雪花。EasySnow 旨在使用 Movie Render Queue & Pathtracing 進行渲染。如果進行相應的調整，它也可以用於遊戲（微粒可以使用sprites，而不是 3D meshes），但主要重點在於最高品質。結合電影渲染佇列 (Movie Render Queue)，EasySnow 可以渲染出美麗的飄雪，並以逼真的方式進行動態模糊。
Easy Snow 還包含一個材質功能，當連接到主材質時，可輕鬆地將累積的降雪添加並混合到關卡中的所有模型上（請參閱截圖中模型上的雪）。這個世界雪景材質功能支援 Nanite Tessellation/Displacement，可提供逼真的效果。它也支援雪花閃爍效果，以及完整的美術指導功能，例如控制積雪本身的數量、落差和一般碎裂圖案！
疑難排解：
如果您遇到位移問題，請嘗試將主素材中的位移中心值設定為 0。您可以在左側的材質詳細資料面板中找到。如果設定為預設值 (0.5)，可能會因材質而產生奇怪的結果。
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