How can animate a ball rotating 180 degrees like a half circle?

MIT App Inventor Help
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Well, it is all here:

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i know that i can make with javascript but i would like make using the app inventor canvas. its possible make that or no?. thanks

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Yes, it is possible, you just need to translate the javascript to AppInventor blocks code (easier said than done, but should be possible)

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ok thanks but only i need know what is the block can make a line between the balls but not draw only make the half circle follow movement. thanks for help

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now its working thanks. the blocks need only get the block canvas clear, thanks a lot

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