# Anyone know how to draw a perfect circle using the mouse.

In my drawing program, I'm trying to add the ability to draw a perfect circle using an ellipse. Does anyone know a good way to do this? Thanks.

## Comments

• : In my drawing program, I'm trying to add the ability to draw a perfect circle using an ellipse. Does anyone know a good way to do this? Thanks.
:
Yeh, you will just use the Ellipse function and make each of the corners of the circle equal. Understand what I'm saying?

--Tom Cat
• : : In my drawing program, I'm trying to add the ability to draw a perfect circle using an ellipse. Does anyone know a good way to do this? Thanks.
: :
: Yeh, you will just use the Ellipse function and make each of the corners of the circle equal. Understand what I'm saying?
:
: --Tom Cat
:

That will work if he is using a rectangle to define the elipse, (i.e. he specifies a square "rectangle"), if he is using an elipse drawing method based on semi focii, just specify the same coordinate for both semi focii.

Med venlig hilsen,

Adrian...

• Thanks, that was the one I was looking for. Using the mouse with it is a little harder so using the semi focii method will work a lot better.
-K
: : : In my drawing program, I'm trying to add the ability to draw a perfect circle using an ellipse. Does anyone know a good way to do this? Thanks.
: : :
: : Yeh, you will just use the Ellipse function and make each of the corners of the circle equal. Understand what I'm saying?
: :
: : --Tom Cat
: :
:
: That will work if he is using a rectangle to define the elipse, (i.e. he specifies a square "rectangle"), if he is using an elipse drawing method based on semi focii, just specify the same coordinate for both semi focii.
:
:
: Med venlig hilsen,
:
: Adrian...
:
:

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