Re: FLASH: anyone written an arctangent function for flash?

[Kurt Dommermuth]

Matt and John thank you very much.


Holy cow!


Matt, how the hell do you know this stuff? You math guys boggle my mind and 

make me giddy.


John, good idea and I'm going to take a look at that possibility.


I'll let you know what I come up with.


Thanks again,

Kurt


At 02:00 PM 6/30/2000 -0700, you wrote:

>Maybe I'm naive, but wouldn't it be better to use the

>loadvariable capabilities to run a perl, PHP or ASP

>script which has the functions built in?

>

>Thanks,

>John

>

>Matt Wobensmith wrote:

>

> > Hi Kurt -

> >

> > You wrote:

> >

> > >I need arctangent

> >

> > Try this (taken from www.zincroe.com/flash - "distance" sample):

> >

> > Comment: one big taylor series to calculate arctan

> > Set Variable: "x" = input

> > Set Variable: "arctan" =

> > 

> x-(x*x*x/3)+(x*x*x*x*x/5)-(x*x*x*x*x*x*x/7)+(x*x*x*x*x*x*x*x*x/9)-(x*x*x*x*x

> > 

> *x*x*x*x*x*x/11)+(x*x*x*x*x*x*x*x*x*x*x*x*x/13)-(x*x*x*x*x*x*x*x*x*x*x*x*x*x

> > 

> *x/15)+(x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x/17)-(x*x*x*x*x*x*x*x*x*x*x*x*x*x*x

> > 

> *x*x*x*x/19)+(x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x/21)-(x*x*x*x*x*x*x*x

> > *x*x*x*x*x*x*x*x*x*x*x*x*x*x*x/23)

> > Set Variable: "output" = arctan

> >

> > Fun!

> >

> > Matt

> >

> > ---------------

> > Matt Wobensmith

> > Macromedia



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