# mental ray scene file from "Writing mental ray shaders"
# http://www.writingshaders.com/scene_catalog.html

verbose on

link "square.so"
$include "square.mi"
link "lambert.so"
$include "lambert.mi"
link "hair_geo_datafile.so"
$include "hair_geo_datafile.mi"
link "hair_color_light.so"
$include "hair_color_light.mi"
link "sinusoid_soft_spotlight.so"
$include "sinusoid_soft_spotlight.mi"
link "front_bright.so"
$include "front_bright.mi"

options "opt"
    object space
    contrast .1 .1 .1 1
    scanline rapid
    shadow on
    shadowmap detail
    samples collect 5
    filter mitchell 4
end options
 

light "light"
  "sinusoid_soft_spotlight" (
	"light_color"  1 1 1,
	"inner_spread" .93
    )
    origin -2 2 2
    direction 2 -2 -2
    spread .75
    shadowmap detail
    shadowmap samples 16
    shadowmap detail samples 4	
    shadowmap resolution 1024
    shadowmap softness .01
end light

instance "light-inst" "light" end instance

material "diffuse"
    "lambert" ( 
	"diffuse" .95 .95 1,
        "lights" ["light-inst"] 
    )
end material

material "show" 
    "front_bright" ()
end material


material "hair_light"
    "hair_color_light" (
        "lights" ["light-inst"],
        "diffuse"  .6 .6 .8,
        "specular" .2 .2 .2,
	"root_opacity" 1,
        "tip_opacity" 0
    )
    shadow "hair_color_light" (
        "diffuse"  .6 .6 .8,
	"root_opacity" 1,
        "tip_opacity" 0
    )
end material

instance "fountain-instance"
    geometry "hair_geo_datafile" (
        "radius" .002,
	"particle_filename" "fountain.hpd"
    )
    material "hair_light"
    transform
        .5 0 0 0
        0 .5 0 0
        0 0 .5 0
        0 .25 .4 1
end instance



camera "cam"
    output "rgba" "tif"
        "geometry_15.tif"
    focal 1.5
    aperture 1
    aspect 1
    resolution 350 350
end camera

instance "camera-instance" "cam"
    transform 
        1.0 0.0 0.0 0.0 
        0.0 0.999841 0.017854 0.0 
        0.0 -0.017854 0.999841 0.0 
        0.0 -0.249960 -2.804910 1.0 
end instance

instance "square-1"
    geometry "bw_square" ()
    material "diffuse"
    transform 
        0.010 0.0 0.0 0.0 
        0.0 -0.0 -1.0 0.0 
        0.0 0.010 -0.0 0.0 
        0.0 -0.0 -0.50 1.0 
    tag 1
    globillum on
    globillum 3
end instance

instgroup "root"
    "camera-instance"
    "light-inst" "fountain-instance"    "square-1" 
end instgroup

render "root" "camera-instance" "opt"