Terrain Normal Mask is a simple yet powerful tool to generate mask and add variations for terrains.Developed in Unity2022.3.17.Tested in Unity2022.3.17. Unity2022.3.41.Using Terrain Normal Mask 1.0.1, you could:Create mask for a terrain layer to add variation;Export masks based on terrain normal information;Edit normal mask in Realtime mode;Edit normal mask in Realtime mode;Cache terrain layer weights before masking;Easy Recover to original layer weights;Auto renormalize layer weights;Easy to use workiflow descripted in Documentation;