option qBasic
' by Rick3137   http://rb23.yolasite.com
  p2 = 6.28318530
  Ang1 = p2/9 : Ang = 0 : x = 0.0 : y = 0.0
   count = 0 : Time1 = 0 : Time2 = 0


declare function MoveSteps ( distance )
declare function RotateLeft(angle)
declare function SetColor(clr)
declare function SetColor2(clr)
declare function Fractal1(  )
declare function Fractal2(  )
declare function Fractal3(  )
declare function Fractal4(  )
declare function Fractal5(  )
declare function Fractal6(  )
declare function Fractal7(  )
declare function Fractal8(  )
autoback(-2)
screenswap

setdisplay( 1200,700,32,1)
ink( rgb(20,40,60 ))

cls

ink( rgb(245,200,255 ))
Ang1 = p2/3  :  y = 600 : x = 500.0

Time1 = ticks()

 Fractal1 ()
Time2= ticks()
screenswap
ink( rgb(255,255,255 ))
locate (1,1):prints( Time2 - Time1 )

 screenswap
waitkey

end

function Fractal1( )
        cnt = 0
        Distance = 200

   while cnt < 8
           SetColor(1)
           MoveSteps( Distance )
           RotateLeft( p2/8 )
     cnt = cnt + 1
     Fractal2( )
   wend

end function

function Fractal2( )
        cnt = 0
        Distance = 200

   while cnt < 4
           SetColor(2)
           MoveSteps( Distance )
           RotateLeft( p2/4 )
     cnt = cnt + 1
     Fractal3( )
   wend

end function

function Fractal3( )
        cnt = 0
        Distance = 200

   while cnt < 3
           SetColor(3)
           MoveSteps( Distance )
           RotateLeft( p2/3 )
     cnt = cnt + 1
     Fractal4()
   wend

end function

function Fractal4( )
        cnt = 0
        Distance = 100
  SetColor(4)
   while cnt < 3
           MoveSteps( Distance )
           RotateLeft( p2/3 )
     cnt = cnt + 1
     Fractal5( )
   wend
end function

function Fractal5( )
        cnt = 0
        Distance = 50
  SetColor(5)
   while cnt < 3
           MoveSteps( Distance )
           RotateLeft( p2/3 )
     cnt = cnt + 1
     Fractal6( )
   wend
end function

function Fractal6( )
        cnt = 0
        Distance = 25
  SetColor2(count)
   while cnt < 3
           MoveSteps( Distance )
           RotateLeft( p2/3 )
     cnt = cnt + 1
     Fractal7( )
   wend
   count = count + 1
   if count > 7 then
     count = 1
  end if
end function

function Fractal7( )
        cnt = 0
        Distance = 12
      while cnt < 3
           MoveSteps( Distance )
           RotateLeft( p2/3 )
     cnt = cnt + 1
      Fractal8( )
   wend
end function

function Fractal8( )
        cnt = 0
        Distance = 6
             while cnt < 6
              MoveSteps( Distance )
              RotateLeft( p2/3 )
        cnt = cnt + 1
          wend

end function


 function SetColor(clr)

         if clr = 0 then
        ink( rgb(255,255,255 ))
     end if
        if clr = 1 then
        ink( rgb(255,250,255 ))
     end if
      if clr = 2 then
        ink( rgb(0,255,255 ))
     end if
      if clr = 3 then
        ink( rgb(255,0,0 ))
     end if
      if clr = 4 then
        ink( rgb(0,255,0 ))
     end if
      if clr = 5 then
        ink( rgb(255,255,155 ))
     end if
      if clr = 6 then
        ink( rgb(180,200,255 ))
     end if
      if clr = 7 then
        ink( rgb(180,0,255 ))
     end if

 end function

  function SetColor2(clr)

         if clr = 0 then
        ink( rgb(200,200,255 ))
     end if
        if clr = 1 then
        ink( rgb(255,255,255 ))
     end if
      if clr = 2 then
        ink( rgb(0,255,255 ))
     end if
      if clr = 3 then
        ink( rgb(255,0,0 ))
     end if
      if clr = 4 then
        ink( rgb(255,0,0 ))
     end if
      if clr = 5 then
        ink( rgb(255,0,155 ))
     end if
      if clr = 6 then
        ink( rgb(255,200,255 ))
     end if
      if clr = 7 then
        ink( rgb(255,0,255 ))
     end if

 end function

 function RotateLeft( angle)
      ' Angles are in Radians
   ' p2 = 2 * Pi
      Ang = Ang + angle
      if Ang > p2 then
       Ang = Ang - p2
   end if

 end function

 function MoveSteps ( distance )

        dx = cos(Ang) * distance
        dy = sin(Ang) * distance
        x2 = x + dx
        y2 = y - dy

        line( x,y,x2,y2)
        x = x2 : y = y2
 end function

end


 
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