declare shader
    geometry "hair_geo_curl" (
	string "name",
        integer "count" default 1,
	scalar "root_radius" default .01,
	scalar "tip_radius" default .0001,
	vector "center" default 0 0 0,
	scalar "length_min" default .5,
	scalar "length_max" default 1,
	scalar "spiral_turns_min" default 2,
	scalar "spiral_turns_max" default 3,
	scalar "spiral_radius_min" default .01,
	scalar "spiral_radius_max" default .03,
	scalar "segment_length" default .05,
	integer "random_seed" default 1955
    )
    version 1
    apply material
end declare