Modelling texturing and animating game environment grass.
Modelling high poly Grass in Maya.
Make texture and size variations in Zbrush
Baking textures sets in Zbrush.
Using texture sets to make low poly grass in Maya.
Prepare low poly grass to be imported into Unity. Wight Painting vertex for animation.
Import grass into Unity to be painted on to terrain. Turn on wind dynamics in Unity to animate grass.