how to animate circle

Question

david mualem 2021-4-9

0
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https://ww2.mathworks.cn/matlabcentral/answers/797682-how-to-animate-circle

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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Answer 1

Abdolkarim Mohammadi 2021-4-9

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/797682-how-to-animate-circle#answer_671657

在 MATLAB Online 中打开

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