A simple problem in creating animation

Question

yuval baruch 2014-12-8

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https://ww2.mathworks.cn/matlabcentral/answers/165947-a-simple-problem-in-creating-animation

回答： matt dash 2014-12-8

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This program should widen the rectangle 'spring'

maxStep=70;

speed=0.05;

[posArray5]=get(handles.spring,'position');

 for i=1:1:maxStep
     posArray5(1)=posArray5(1)+1;
     pause(speed);
     set(handles.spring,'position',posArray5)
 end

And I wonder what is the problem because it doesnt work Help will be much apprecieted.

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Answer 1

matt dash 2014-12-8

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https://ww2.mathworks.cn/matlabcentral/answers/165947-a-simple-problem-in-creating-animation#answer_161747

Don't just say "it doesnt work", say WHAT isnt working. The code you posted should draw a rectangle that moves across the screen, not one that widens. Is that the problem? If so, you want to be setting posArray5(3), which is the width, not posArray5(1), which is the horizontal offset.