mouse within oval filled area

FlexibleLearning admin at
Sat Nov 12 14:25:16 EST 2011

Indeed, John, but not a unique object identifier if more than one grc uses
the same color. I think I am back to polar coordinates (unfortunately).

The current engine behaviour is painfully inconsistent with other controls
whose transparency is immune from mouse events.

Hugh Senior

John Dixon wrote:

> Use the mouseColor ?

Original message:

> Has anyone worked out how to test if the mouseLoc is within the filled
> of an oval graphic (defined by startAngle and arcAngle)? I was thinking
> polar coordinates, but this assumes a circle and a fixed radius which is
> necessarily the case. A btter math brain than mine is needed!
> Hugh Senior
> FLCo

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