Variable animation macro with trace

This macro is created via icon of the displays expandable toolbar (fourth from the bottom).

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It's purpose is to make a variable vary and update the objects of the figure depending on this variable. while a list of objects leave a trace of their position.

The animation starts by clicking on the button of the macro.

Click on the figure to stop animation.  First activate tool (macro execution on the top toolbar).

See also :

Adding objects to a macro

Remove objects from a macro