[Etoys] Pen color categoyry

[karl]

K. K. Subramaniam wrote:
> On Wednesday 02 Apr 2008 8:17:49 pm Kazuhiro ABE wrote:
>   
>> Hello, Subramaniam
>>
>> I think a Polygon morph and its new category named "polygon" may
>> help you. It includes many tiles for controlling vertexes by cursor.
>> These tiles are simular of other tiles of collection type morphs like
>> a holder, text and etc. So kids can use a Polygon as a PenMorph.
>>     
> I like the Polygon's extensive tile scripting capability, but I am afraid it 
> wont be intuitive to young children. Currently, a small Rectangle (or an 
> Ellipse) with its pen down offers an easier approach by ticking through the 
> following script :
>
>    Rectangle pen color := Rectangle color
>    Rectangle pen size  := Recangle width.
>
> Now the child can manipulate the pen directly through halo menu buttons - 
> scale, rotate, move and recolor and then use the GrabMorph to create a sketch 
> out of the trails. This is much harder than what it needs to be.
>   

This sounds quite good.

> BTW, I noticed that objects dropped on the onion skin (or TinyPaint) stamp 
> right through them! Abstract layers in a concrete world of Morphs?
Painting is a modal mode in Squeak. Each morph is in it's own layer and 
to paint you have to know which of the layer you are on. Most other 
systems would bring up a editor in a view that totally blocked other 
views. I'm not sure what is the best solution.

Karl