Hi,
i have read that in Corona SDK you must use convex forms for any physics (with only 8 points), but when you use “Physics Editor” 3rd party app, concave forms is traced withoud problems. So i guess it’s composed of multiple convex forms.
My question is it is possible to have a ball use physics on a form which is the inside of a circle, like a lotto rolling machine or a demi-circle at the top of a pinball.
Is there a solution for this? Or i must use a combination of lines to achieve the desired effect?
thx in advance for any clarifications 
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