Escalation 1985 - Moss Update

Small update to the moss shader on terrain and other objects. For terrain the moss occurs in recessed and flatter areas of the heightmap. For other objects like trunks and trees it appears on both the north side and the top facing areas.

Level design by https://www.artstation.com/drecks and https://www.artstation.com/akomulainen

Kay vriend moss1
Kay vriend moss2
Kay vriend moss3