Unity - Advanced Terrain Grass v1.34
https://assetstore.unity.com/packages/tools/terrain/advanced-terrain-grass-100014
ATG is a grass rendering solution which was built to replace the detail rendering system of Unity’s terrain engine in order to get rid of all spikes on the CPU — caused by new grass patches coming into sight when your camera is moving. Next to this initial purpose ATG offers significant improvements regarding lighting and wind animation.
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