displacement grass param float gHeight 0.1 param float Km 1 param float power 3 param float frequency 1 param float maxoctaves 6 local string $_str_0 "shader" local float d 0 local float Py 0 local float size 0 local float magnitude 0 local float i 0 local point PP 0 0 0 initcode 4 return code pushif 0 popf d pushv P ycomp popf Py pushif 0 popf magnitude random mulF gHeight popf d pushf gHeight pushif 0.5 mulff pushf d lt ifz 0 pushif 0 popf d label 0 label 1 pushif 0 pushf d gt random pushif 0.05 mulff pushif 0.06 addff pushf Py lt pushif 0.5 random subff pushif 0.05 mulff pushif 0 addff pushf Py ge and and ifz 2 pushv P pushf d pushv P ycomp addff pushif 1 setcomp popv P pushv P calculatenormal popv N jump 3 label 2 pushv P pushs $_str_0 transforms popv PP cpFF frequency size pushif 0 popf i label 4 pushf maxoctaves pushf i lt ifz 6 pushf size pushf size pushv PP mulvf noisev pushif 0.5 subff abs divff addF magnitude popf magnitude pushif 2 mulF size popf size label 5 pushif 1 addF i popf i jump 4 label 6 pushv N normalize pushf power pushf magnitude pow mulF Km mulfv addV P popv P pushv P calculatenormal popv N label 3 return