[etoys-dev] SQ-94 - Flip and Tumble

[Bert Freudenberg]

You still make it sound like the new flip tiles and the old rotation-style tile were somehow equivalent. They are not.

I agree, however, that having a tile to set the rotation style is not strictly necessary - because it it available as menu item. I am not sure why it was added in the first place. Perhaps because tiles are more discoverable than menu entries. I couldn't imagine using this tile in a script. But changing the rotation style in the viewer while an object is bouncing around the screen is enlightening (though the up-down style seems to be there just for completeness, have not found an application yet).

Anyway, independent of the new flip tiles: Do we want to hide the rotation-style tile?

- Bert -

On 17.08.2010, at 04:10, Steve Thomas wrote:

> Okay read Bert's comment in Tracker and I now understand that the graphic is flipped without changing heading (which differs from the implementation using "rotation style" which by design changes heading to cause the flip).
> 
> So given that we want to have the minimum set of tiles from which you can create things.  Why do we need both?
> I understand the need to keep the older rotation style methods so older projects don't break, but IMNSOBOWO we should hide the rotation style tile.
> 
> Stephen
> 
> On Mon, Aug 16, 2010 at 9:20 AM, Steve Thomas <sthomas1 at gosargon.com> wrote:
> 
> 
> On Mon, Aug 16, 2010 at 8:52 AM, Bert Freudenberg <bert at freudenbergs.de> wrote:
> 
> On 16.08.2010, at 04:01, Steve Thomas wrote:
> 
>> Tried the new flip and tumble works great (for sketches, would be nice if this worked for all costumes, polygons would be trivial ;)
>> 
>> Now that we have flip and tumble, do we need rotation style?  To me its confusing to have both and flip and tumble are much simpler to learn and use.
> 
> Yes we need it. How else would you make a painted object go upright on the screen?
> 
> I agree we need the ability the "flip left right" and "flip up down" functionality and the new tiles (now called "flip" and "tumble")
> provide that functionality. 
> 
> When I asked do we need rotation style, I was referring to the scripting tile in the graphic category of the viewer not removing the functionality which is provided in the code and accesible via the new "flip" and "tumble" tiles.
>  
> It disables actual rotation and automatically flips the graphic depending on heading. Flip and tumble are just one-shot operations that change the graphics. 
> Yes I understand that as you increase heading the graphic reaches a tipping point around 90 or 180 degrees. I just don't see why we need both methods, although to ensure old projects work, I was suggesting simply hiding the tile "rotation style".
> 
> Stephen
> 
>> I think we hide the "rotation style" tile when in Etoys Friendly mode.
> 
> Did you mean to write "we should"?
>  
> Yes. Although "we" is probably a poor choice of words as I do no coding, that is left to over burdened, yet much appreciated developers such as yourself.
> 
> Stephen 
> - Bert -


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