how to animate circle

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david mualem
david mualem 2021-4-9
回答： Abdolkarim Mohammadi 2021-4-9
Hello everyone, I want to write code through a plot function that will draw a circle in red, when half a circle will start counterclockwise and the other half will start clockwise and meet in the middle, thank you all!

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回答（1 个）

Abdolkarim Mohammadi
You first draw the single point at the top of the circle. Then you edit the XData and YData properties of the line after a pause. For example:
h = plot (0, 0);
for i = ...
h.XData = horzcat (h.XData, NewPointsX);
h.YData = horzcat (h.YData, NewPointsY);
pause (0.5);
end

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