// Persistence Of Vision raytracer version 3.1 sample file.
// File by Dan Farmer
// Lambda/omega demonstration


global_settings { assumed_gamma 2.2 }

#include "colors.inc"

camera {
    location <0, 0, -10>
    right x*1.3333
    angle 57
    look_at 0
}

light_source { <-20, 30, -25> rgb 1 }

#declare L = clock * 3;

#declare Font="cyrvetic.ttf"

union {
    text{ ttf Font
        concat("lambda=",str(L,1,2)),0.1,0
        scale <1.25, 1.25, 2>
        translate <-3, 1, -1>
        pigment { Cyan }
    }
    box { <-4,-0.5, -1> <4, 0.5, 1>
        pigment {
            gradient y
            turbulence 1
            lambda L
            color_map {
                [0.2 SteelBlue ]
                [0.5 White ]
                [0.9 Red ]
            }
            scale 0.5
        }
    }
    translate y*1.35
}

#declare O = clock;
union {
    text{ ttf Font
        concat("omega=",str(O,1,2)),0.1,0
        scale <1.25, 1.25, 2>
        translate <-3, 1, -1>
        pigment { Cyan }
    }
    box { <-4,-0.5, -1> <4, 0.5, 1>
        pigment {
            gradient y
            turbulence 1
            omega O
            color_map {
                [0.2 SteelBlue ]
                [0.5 White ]
                [0.9 Red ]
            }
            scale 0.5
        }
    }
    translate -y*1.35
}

plane { z, 10 hollow on pigment { Plum }}
