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Do you: (1) create; and (2) add a new Timer object into the world before calling the Timer method on it?: <Code Omitted>

In a scenario running at normal speed (speed = 50), about 60 act cycles.

it works. thanks a lot.

There are several A* java tutorials on YouTube. Do a search.

Thanks a lot , its working for now..

thank you

That worked, when I update the Information in act, it works, thank you

As far as I know, Greenfoot only uses one. Each act cycle, the act method of the active world and the act methods of all actors inside that world are executed one after the other.

Replace line 43 with: <Code Omitted>

What have you tried? Unclear what you want exactly. "when it drag to mouse coordinates" makes no sense at all. Giving some attempted code goes a long way in clearing up any misunderstandings and gives needed context to anyone who is willing to help. It also usually gets your issue resolved in a much shorter time.

Ok, now I understand it. Thank you

thanks :-)