I am trying to make a function which uses a vector cordnate return a value.
Within this the I am trying to pull the y component of the input to do a
compareson on it.  I have tried with both #if and #switch and have the same
problem.

#declare MyFn = function {
  #switch ( y )
    #case ( 1 )
      // funcion code 1
    #break // 1
    #case ...
  #end // switch
}

Parse Error: Float expected but vector or color expression found.

Is there a vector function I can use to get they y component, MyFn.y, <y> or
such?

-=<{()}>=-

 Thorcane

-=<{()}>=-

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