I have never used macros before, could you explain how this macro works.

Zeger Knaepen wrote:
>"BorisW37" <Bor### [at] yahoocom> schreef in bericht
>news:web.3f0dde6738f0fa473c07ae1f0[at]news.povray.org...
>> Lets say i have a sphere centered <x1,y1,z1> then i rotate it
>> <ang_x,ang_y,ang_z>
>> How do i find the new coordinates of the sphere's center <x2,y2,z3> ?
>
>#declare NewCoordinates = vrotate(<x1,y1,z1>,<ang_x,ang_y,ang_z>);
>
>cu!
>--
>camera{location-z*3}#macro G(b,e)b+(e-b)*(C/50)#end#macro L(b,e,k,l)#local C=0
>;#while(C<50)sphere{G(b,e),.1pigment{rgb G(k,l)}finish{ambient 1}}#local C=C+1
>;#end#end L(y-x,y,x,x+y)L(y,-x-y,x+y,y)L(-x-y,-y,y,y+z)L(-y,y,y+z,x+y)L(0,x+y,
><.5,1,.5>,x)L(0,x-y,<.5,1,.5>,x)               // ZK http://www.povplace.be.tf
>

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