// POV-Ray 3.7 include file "Chair.inc"
// Author: Friedrich A, Lohmueller, Dec-2013
// Demo of an macro object include file
// Save this file in the same director like "Chair_Use.pov"
// or in any of your POV-Ray library paths (i.e. "user/documents/POV-Ray/v3.7/include/")
//---------------------------------------------------------------------------------------
#ifndef( Chair_Inc_Temp)
#declare Chair_Inc_Temp = version;
#version 3.6;
//---------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------
#ifndef(  Colors_Inc_Temp)
#include "colors.inc"                                             
#end
/*
#ifndef(  Textures_Inc_Temp)
#include "textures.inc"                                             
#end
*/
#ifndef(  Shapes_Inc_Temp)
#include "shapes.inc"                                             
#end
#ifndef(  Shapes2_Inc_Temp)
#include "shapes2.inc"                                             
#end


//--------------------------------------------------------------------///////////////////   
//-------------------------------------------------------------------------- macro Chair 
#macro Chair( SH, // seat height,
              CW, // chair width in x and z
              CH,  // backrest height
              FD, // feet diameter                               
           ) //-------------------------------------------------------------------------- 
//--------------------------------------------------------------------------------------- 
//---------------------------------------------------------
#ifndef (Seat_Texture)
#declare Seat_Texture = 
         texture { pigment{ color rgb< 0.8, 0.60, 0.45>*0.7  } 
                // normal { bumps 0.5 scale 0.05 }
                   finish { phong 1 }
                 } // end of texture 
#end 
#ifndef (Chair_Texture)
#declare Chair_Texture = 
         texture { pigment{ color rgb< 0.75, 0.5, 0.30>*0.30 } 
                // normal { bumps 0.5 scale 0.05 }
                   finish { phong 1 }
                 } // end of texture 
#end 
//---------------------------------------------------------------------------------------
#local D = 0.00001;  // a little bit
#local BR = 0.007; // border radius 
#local Seat_D = 0.025; // seat thickness
#local Connect_H = 0.07; // height of the connections of the feet
#local Connetion = 
  object{ Round_Box(<-FD*0.75,-Connect_H,-CW/2+D>,<-FD*0.25,0,CW/2-D>, BR, 0)  
          translate< CW/2,SH-Seat_D, 0>  
        }
//------------------------------------------------------------------------
// final
union{ // final

 union{ // feets
  // feet front
  object{ Round_Box(<-FD,0,0>,<0,SH-Seat_D,FD>, BR, 0) // Round_Box(A, B, WireRadius, UseMerge ) 
          translate< CW/2,0,-CW/2>
        } // --------------------------------------------------------
  object{ Round_Box(<-FD,0,0>,<0,SH-Seat_D,FD>, BR, 0)  
          translate< CW/2,0,-CW/2> scale<-1,1,1>
        } // --------------------------------------------------------
  // feet backrest
  object{ Round_Box(<-FD,0,0>,<0,CH,-FD>, BR, 0)   
          translate< CW/2,0, CW/2>
        } // --------------------------------------------------------
  object{ Round_Box(<-FD,0,0>,<0,CH,-FD>, BR, 0)  
          translate< CW/2,0, CW/2> scale<-1,1,1>
        } // --------------------------------------------------------
  //feet connections 
  object{ Connetion rotate<0,0*90,0>} 
  object{ Connetion rotate<0,1*90,0>} 
  object{ Connetion rotate<0,2*90,0>} 
  object{ Connetion rotate<0,3*90,0>} 



 texture{ Chair_Texture }
 }// end feets
 
 union{ // seat and backrest 
  object{ Round_Box(<-CW/2,-Seat_D,-CW/2>,<CW/2,0,CW/2>, BR, 0)  
          translate<0,SH,0>
        } // --------------------------------------------------------
  object{ Round_Box(<-CW/2,-(CH-SH)/2,-Seat_D>,<CW/2,0,0>, BR, 0)  
          translate<0,CH, CW/2-FD>
        } // --------------------------------------------------------
 texture{ Seat_Texture }
 }// end  seat and backrest       

}// end of final union
// --------------------------------------------------------------------------------------
#end// of macro ------------------------------------------------------///// end of macro
//--------------------------------------------------------------------///////////////////  




//---------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------
// example: 
/*
//-------------------------------------------------------------------- optional textures
#declare Seat_Texture = 
         texture { pigment{ color rgb< 0.8, 0.60, 0.45>*0.7  } 
                // normal { bumps 0.5 scale 0.05 }
                   finish { phong 1 }
                 } // end of texture 
#declare Chair_Texture = 
         texture { pigment{ color rgb< 0.75, 0.5, 0.30>*0.30 } 
                // normal { bumps 0.5 scale 0.05 }
                   finish { phong 1 }
                 } // end of texture 
//-------------------------------------------------------------------------------------//
#include "Chair.inc" // use here your according path!
//-------------------------------------------------------------------------------------// 
object{ Chair( 0.45, // seat height,
               0.45, // chair width in x and z
               0.90, // backrest height
               0.04, // feet diameter                               
             ) //----------
        rotate<0,0,0>
        translate<0,0,0>
      }  
//-------------------------------------------------------------------------------------//
//---------------------------------------------------------------------------------------
*/

#version Chair_Inc_Temp;
#end
//------------------------------------------------------------------- end of include file