POV-Ray : Newsgroups : povray.general : bezier patches problem : Re: bezier patches problem Server Time
7 Aug 2024 19:27:55 EDT (-0400)
  Re: bezier patches problem  
From: j charter
Date: 24 Jun 2001 21:53:07
Message: <3B36C43F.51A5838C@aol.com>
yep, I thank yee

Warp wrote:

>   Wouldn't it be handier this way?
>
> #macro fillpoints ( c0, c1, c2, c3 )
>   c0,
>   c0+((c1 - c0)*1/3),
>   c0+((c1 - c0)*2/3),
>   c1,
>   c0+((c2 - c0)*1/3),
>   c0+((c3 - c0)*1/3),
>   c2+((c1 - c2)*1/3),
>   c1+((c3 - c1)*1/3),
>   c0+((c2 - c0)*2/3),
>   c2+((c1 - c2)*2/3),
>   c0+((c3 - c0)*2/3),
>   c1+((c3 - c1)*2/3),
>   c2,
>   c2+((c3 - c2)*1/3),
>   c2+((c3 - c2)*2/3),
>   c3
> #end
>
> bicubic_patch
> { type 1  flatness 0.5  u_steps 3  v_steps 3
>   fillpoints(p1, p2, p3, p4)
> }
>
> --
> #macro N(D,I)#if(I<6)cylinder{M()#local D[I]=div(D[I],104);M().5,2pigment{
> rgb M()}}N(D,(D[I]>99?I:I+1))#end#end#macro M()<mod(D[I],13)-6,mod(div(D[I
> ],13),8)-3,10>#end blob{N(array[6]{11117333955,
> 7382340,3358,3900569407,970,4254934330},0)}//                     - Warp -


Post a reply to this message

Copyright 2003-2023 Persistence of Vision Raytracer Pty. Ltd.