Move to the points.

Tore Nilsen tore.nilsen at me.com
Sun Jun 26 11:48:04 EDT 2016


Both move and wait commands are blocking commands. Now messages are acted upon when the code runs. If you would like several things happen at the same time you would need to use “send to me in time” where you then would have to check current position and set the new position based on this. You could then change icons based upon the location of the object you move.

An easier way would be to make the path with series of individual graphics, and set icons depending on which graphic you currently  use as path. This may work better if this is something you would like your students to try.

Tore


> 26. jun. 2016 kl. 17.30 skrev Richmond <richmondmathewson at gmail.com>:
> 
> It is very easy to draw and/or generate a *multi-point vector path* on a stack
> and then *animate* a control to move along it like this:
> 
> *move* the *btn* "button" to the points of the *graphic* "wiggle" in 30 secs
> 
> but is looks, frankly, bl**dy silly except in the most trivial of instances.
> 
> So I had the "daft" idea of using either:
> 
> a button with a rapidly changing *icon*,
> 
> or
> 
> a graphic object with a rapidly changing *backPattern*
> 
> to give the illusion of *animation* in a way that is, at least, a bit less silly.
> 
> HOWEVER  . . .
> 
> It seems that commands such as
> 
> move the btn "button" to the points of the graphic "wiggle" in 30 secs
> 
> are very difficult to*interrupt* with*animation sequences* such as this:
> 
> set the icon of btn "button" to the id of img "prawn1"
>   wait 3 ticks
> set the icon of btn "button" to the id of img "prawn2"
>   wait 3 ticks
> set the icon of btn "button" to the id of img "prawn3"
>   wait 3 ticks
> set the icon of btn "button" to the id of img "prawn4"
>   wait 3 ticks
> 
> AND, in an*ideal situation* that sort of sequence of commands should NOT interrupt
> the move command but run *concurrently*.
> 
> Richmond.
> 
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