Draw spokes on a wheel

Jim Hurley jhurley at infostations.com
Fri Mar 17 16:25:15 EST 2006


>
>Message: 10
>Date: Fri, 17 Mar 2006 10:26:30 -0800
>From: Mark Talluto <userev at canelasoftware.com>
>Subject: Draw spokes on a wheel
>To: Revolution use Revolution <use-revolution at lists.runrev.com>
>Message-ID: <5FB1A45C-F6E6-4033-8236-AB90C57C9D30 at canelasoftware.com>
>Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
>
>Hello everyone,
>
>I need a little help drawing spokes to a wheel.  This is actually 
>used in a vision test.  I have an image here to help illustrate the 
>madness.  I am sure someone like Jim Ault is shaking his head right
>now.  <http://www.canelasoftware.com/pub/rev/astig.jpg>
>
>I have been using an image, but would like to offer the ability to 
>adjust the line length and thickness.  The new antialiasing feature 
>will also be handy.  Thanks for any input.
>
>
>Mark Talluto
>--
>CANELA Software
>http://www.canelasoftware.com
>

Mark,

You  may be able to guess what my  solution might be; that's right 
Turtle Graphics.

on mouseUp
   startTurtle
   put 12 into tNumSpokes
   put 100 into tLengthSpokes
   repeat 360/tNumSpokes
     forward tLengthSpokes
     back tLengthSpokes
     left 360/tNumSpokes
   end repeat
   stopTurtle
end mouseUp


Paste this handler into a button in the stack:

go url "http://home.infostations.net/jhurley/StopTurtles.rev"

Or if you want something like the clock in your graphic;

go url "http://home.infostations.net/jhurley/Build_a_clock.rev"

There are lots of variations possible.

Jim




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