https://docs.unity3d.com/ScriptReference/Texture2D.GetPixelBilinear.html
Unity - Scripting API: Texture2D.GetPixelBilinear
scripting apiunity
https://docs.unity3d.com/2019.4/Documentation/ScriptReference/Texture3D.GetPixelBilinear.html
Unity - Scripting API: Texture3D.GetPixelBilinear
scripting apiunity