POV-Ray : Newsgroups : povray.text.scene-files : flame code Server Time
1 Jul 2024 02:54:26 EDT (-0400)
  flame code (Message 1 to 1 of 1)  
From: Apache
Subject: flame code
Date: 26 Feb 2002 20:34:58
Message: <3c7c37c2$1@news.povray.org>
#include "colors.inc"

camera {
        location <6,5,10>*4
        look_at <0,0,20>
}
light_source {
        <1,2,1>*100000000 color White*0.3
}
plane {y,-2 pigment {NewTan} finish {ambient 0}}
background {color Red}
cylinder {0,z*-2,0.3 pigment{Gray} rotate -x*30}

#declare DensMap = density {
        radial  rotate y*90 translate z*-5
        translate <0,0,-15*clock>
        warp {turbulence 0.8 octaves 3 lambda 2.5}
        translate <0,0,15*clock>
        scale <1,1,1>
        colour_map {
                [0.49 rgb 0]
                [0.495 rgb 1]
                [0.5 rgb 4]
                [0.505 rgb 1]
                [0.51 rgb 0]
        }
}
#declare ColMap = density {
        radial rotate y*90 translate z*-5
        translate <0,0,-15*clock>
        warp {turbulence 1.2 octaves 3 lambda 2.5}
        translate <0,0,15*clock>
        scale <1,1,1>
        colour_map {
                [0.495 Yellow]
                [0.5 White]
                [0.505 Yellow]
        }
}
#declare DensEnding = density {
        spherical scale 10
        colour_map {
                [0 rgb 0*<1,0,0>]
                [0.5 rgb <1,.5,0>*.5]
                [.75 rgb <1,1,0>]
                [.875 rgb 1]
                [1 rgb <-1,0,1>]
        }
}

#declare DensMap2 = density {
        radial rotate y*90 translate z*-3
        translate <0,0,-25*clock>
        warp {turbulence 1.3 octaves 3 }
        translate <0,0,25*clock>
        scale <1,1,1>
        colour_map {
                [0.45 rgb 0]
                [0.48 rgb 0.4]
                [0.5 rgb 1]
                [0.52 rgb 0.4]
                [0.55 rgb 0]
        }
}
#declare ColMap2 = density {
        radial rotate y*90 translate z*-3
        translate <0,0,-25*clock>
        warp {turbulence 1.3 octaves 3 }
        translate <0,0,25*clock>
        scale <1,1,1>
        colour_map {
                [0.47 Red]
                [0.5 Orange]
                [0.53 Red]
        }
}
#declare DensEnding2 = density {
        spherical scale <5,5,10>
        translate <0,0,-15*clock>
        warp {turbulence 0.5}
        translate <0,0,15*clock>
        colour_map {
                [0 rgb 0]
                [0.1 rgb 1]
                [.875 rgb 1]
                [1 rgb <-1,-1,1>]
        }
}

#declare Flame =
union {
cylinder {
        0,z*10,3

        pigment {Clear}
        hollow
        interior {
                media {
                        emission 1
                        /*intervals 5
                        samples 2, 30
                        confidence 0.9999
                        variance 1/1000*/
                        density {ColMap}
                        density {DensMap}
                        density {DensMap rotate z*90}
                        density {DensEnding}
                scale .8
                }
                media {
                        emission .75
                        /*intervals 5
                        samples 2, 30
                        confidence 0.9999
                        variance 1/1000*/
                        density {ColMap2}
                        density {DensMap2}
                        density {DensMap2 rotate z*90}
                        density {DensEnding2}
                scale .8
                }

        }
        scale <1,1,3>/.8
}

cylinder {
        0,z*10,3

        pigment {Clear}
        hollow
        interior {
                media {
                        absorption rgb .675
                        //scattering { 2, rgb .5 extinction 1 }
                        density {bozo
                        translate <0,0,-5*clock>
                        warp {turbulence 0.2 octaves 1 lambda .5}
                        translate <0,0,5*clock>
                        scale <1,1,1/3>*.75
                        color_map {
                        [0 rgb 0]
                        [1 rgb 1]
                        }
                        }
                        density {
                        spherical scale <5,5,10>
                        translate <0,0,-5*clock>
                        warp {turbulence 0.5}
                        translate <0,0,5*clock>
                        color_map {
                        [0 rgb 0]
                        [1 rgb 1]
                        }
                        }
                scale .8
                }
        }
        scale <.675,.675,2>/.8
        rotate -x*10
        translate <0,0,20>
}

}


background {rgb .125}


object{Flame}

#declare numLights=5;
union {
        #declare i=0;
        #while (i<10)
                #declare i = i + 10/numLights;
                light_source {
                        z*i
                        color Red*1.9/numLights
                        media_interaction off
                        fade_distance 5 fade_power 0.8
                }
                light_source {
                        z*i
                        color Green*1.5/numLights
                        media_interaction off
                        fade_distance 5.5 fade_power 4
                }
        #end
        rotate -x*30
}


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