POV-Ray : Newsgroups : povray.text.scene-files : Recursion macro code (treefract) Server Time
28 Jul 2024 16:15:03 EDT (-0400)
  Recursion macro code (treefract) (Message 1 to 1 of 1)  
From: SamuelT 
Subject: Recursion macro code (treefract)
Date: 22 Sep 1999 22:10:13
Message: <37E98D15.415C1A02@aol.com>
Howdy everyone. Here is the promised recursion macro code. I only
indented the macro part, so please no flames about my hardtoreadcode.
Plus, when you go to paste this code into your scene, it will need to be
edited due to normal pasting problems. Have fun, and don't hurt
yourselves!

//***********CODE***********

//Recursion macro
//1999 Samuel Benge   STB### [at] aolcom
//Altered from pyrimid.pov by Chris Young

global_settings{ ambient_light 0 }

camera{ location<0,2,-8> look_at<0,0,0> rotate y*-0 angle 40}

light_source{ <100,200,-50>,1 spotlight point_at 0 radius 0 falloff 1 }
light_source{ <-200,200,-50>,<.2 .3 .4> shadowless }

//Ground
plane{y,-1 pigment{rgb<1 1 .8>} normal{granite 1.5 scale 2.5} hollow}

//Fog
fog{rgb<.5 .5 .6> distance 100 fog_type 2 fog_alt 5 fog_offset 0}

//The macro
#macro Curser(X,Y,Z,R,L)

  sphere { <0,1,0>,(.75/4) }
  cone{<0,0,0>,(1/4),<0,1,0>,(.75/4) }

  #if (L > 0)
    #local New_L = L - 1;
    #local New_R = R / 2;
    #local Co=0;#local Co=Co+1/L;

    union{
     union{
      Curser(X,Y,Z,New_R,New_L)
      scale .75
      rotate y*40
      rotate z*30
      translate y*1
     }
    union{
      Curser(X,Y,Z,New_R,New_L)
      scale .75
      rotate y*40
      rotate z*-30
      translate y*1
     }
     pigment{rgb<.4+Co .5+Co 1+Co*2>}
    }

  #end
#end

union{
 Curser(0,0,0,1,9)
 translate y*-2
}


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