Summarium

rotierende sonic coins

Potestas usoris

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Licet hoc documentum exscribere vel distribuere vel demutare sub GNU Liberarum Litterarum Licentiae conditionibus in editione 1.2 aut in ulla editione recentiori a Fundatione Liberarum Programmationis Partium publicata; praeterquam Sectiones Immutabiles et Verba Involucra Adversa et Aversa. Licentiae exemplar praesto est in sectione intitulata GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue

	This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
	Tibi licet: communicare – copiare, distribuere et committere hoc opus to remix – to adapt the work His condicionibus: attributio – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. aequa parte – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
	This licensing tag was added to this file as part of the GFDL licensing update.http://creativecommons.org/licenses/by-sa/3.0/CC BY-SA 3.0Creative Commons Attribution-Share Alike 3.0truetrue

This file is licensed under the Creative Commons Attribution-Share Alike 2.5 Generic, 2.0 Generic and 1.0 Generic license.

Tibi licet:

• communicare – copiare, distribuere et committere hoc opus
• to remix – to adapt the work

His condicionibus:

• attributio – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
• aequa parte – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

https://creativecommons.org/licenses/by-sa/2.5CC BY-SA 2.5 Creative Commons Attribution-Share Alike 2.5 truetrue

Tibi typum permissionis ligere licet.

Source code

Image generated using POV-Ray for Windows 3.6; resulting slides were converted to an animated GIF using GIMP 2.3.6.

rings.pov

//------------------------------------------------------------
// Copyright 2006 DavidHOzAu
//------------------------------------------------------------
// This work is licensed under the Creative Commons Attribution ShareAlike License. 
// To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/2.5/ 
//------------------------------------------------------------

#include "colors.inc"
#include "textures.inc"
#include "metals.inc"
#include "stones.inc"
#include "golds.inc"

global_settings {
  photons {
    count 2000
    autostop 0.5
    jitter .4
  }
  radiosity {
    normal on
    count 100
    recursion_limit 5
    error_bound 1
    low_error_factor 1
    brightness 1.5
  }
  ambient_light rgb 1/3
}

#declare seer = <4, 4, -9>;

camera {
        location  seer
        up <0, 1, 0>
        right <4/3, 0, 0>
        angle 34
        look_at   <0.75, 0.5, 0>
}     

light_source {
  <13, 13, -5>
  color rgb <1.4, 1.3, 1.2>
  fade_distance 15
  fade_power 2
  photons {
     refraction off
     reflection on
  }
  
  area_light <.4, 0, 0>, <0, 0, .4>, 5, 5
}

light_source {
  <20, 0, -5>
  color rgb 1
  fade_distance 15
  fade_power 2
  photons {
     refraction off
     reflection on
  }
  area_light <.4, 0, 0>, <0, 0, .4>, 5, 5
  shadowless
}

light_source {
  seer
  color rgb 1
  fade_distance 2
  fade_power 2
  photons {
     refraction off
     reflection on
  }
  shadowless
}

background {
  color 0
}'''para voce que tem os olhos redondos rssss'''

#declare MarbleFloorTex1 = texture {
  T_Grnt9
  finish {
    reflection 0.25
    ambient rgb 0.5
  }
  scale 10      
}
    
#declare MarbleFloorTex2 = texture {
  T_Stone10//T_Stone17
  //pigment { color Gray75 }
  finish {
    reflection 0.25
    ambient rgb 0.5
  }
  scale 10
}

// FloorBuilder
#macro FloorBuilder (vc, dm, nmx, nmz, sc, of)
  #local ix = 0;
  #while (ix < nmx)
    #local iz = 0;
    #while (iz < nmz)
      box {
          <ix*dm, -0.1, iz*dm>
          <(ix+1)*dm, 0, (iz+1)*dm>
          #if (mod(ix + iz, 2) = 0)
            texture {
              MarbleFloorTex1
              scale sc
              translate <of*ix*sc*dm, 0, of*iz*sc*dm>                            
            }
          #else
            texture {
              MarbleFloorTex2
              scale sc
              translate <of*ix*sc*dm, 0, of*iz*sc*dm>
            }
          #end
          translate <-nmx*dm/2, 0, -nmz*dm/2>
          translate vc
          photons {
             target
          }
      }
      #local iz = iz + 1;
      #end
    #local ix = ix + 1;
  #end
#end

FloorBuilder(<0, -10, 0>, 10, 100, 100, 15, 2)    

// Classic-style ring is an intersection of three torus
#macro SonicRing(d, r, f) 
  intersection {
    object {
      torus {
        d + (r*f*sqrt(3)/2), r
        sturm
      }
      translate -y*r*f/2
    } 
    object {
      torus {
        d + (r*f*sqrt(3)/2), r
        sturm
      }
      translate y*r*f/2
    }  
    object {
      torus {
        d-(r*f), r
        sturm
      }
    }
    rotate 90*z
  }
#end

#macro SonicRingRotate(d, r, f, a)
merge{
  SonicRing(d, r, f)
  scale 0.5
  rotate 180*y*(clock+a)
#end

#macro GlowRing(d, r, f, a, tr)
#local sinmul = 1/8*pow(f-sqrt(-3*pow(f,2)+4),2)*sqrt(3);
#local cosmul = sqrt(1 - pow(sinmul,2));
  object {
     SonicRingRotate(d, r, f, a)
    texture { 
       pigment {
         color <1.00, 1.0, 0.5>
       }
       finish {
         ambient <0.4, 0.3, 0.2>
       }
    }
    photons {
       target
       reflection on
    }
    translate tr
    
  }
#end

// Three rings in a row
GlowRing(2, 1, 0.25, 0.0, 0)
GlowRing(2, 1, 0.25, 0.0, <0, 0, 4>)
GlowRing(2, 1, 0.25, 0.0, <0, 0, 8>)

rings.ini

Final_Frame=9
Cyclic_Animation=on
Input_File_Name=ring.pov