Thank you Nicolai,
areasRemainingToFill: is what I was looking for, did not see it due to looking
for “transparent” or “opaque” or similar message.
-Edward
^ Array with: aRectangle
> On Dec 27, 2014, at 6:38 AM, Nicolai Hess <[email protected]> wrote:
>
> 2014-12-27 4:10 GMT+01:00 Edward Povazan <[email protected]
> <mailto:[email protected]>>:
> Thanks. It does work to add a little alpha to the colour, but is there no
> other way?
> If I want a solid colour, then what? I should be able to say “this is a weird
> shaped morph, not a rectangle”, but not seeing it.
>
> -Ed
>
> Hi Edward
> There are two possible solutions:
>
> If you look at for example StringMorph, PolygonMorph or EllipseMorph and to
> their "drawing" protocoll, you'll see they overwrite
> areasRemainingToFill:
> if you copy this method to the CrossMorph class, it will work as you want.
>
> The reason for this is, the default morph uses its color to paint the whole
> area and don't need
> to care about the underlying area.
>
> The second solution, as you may have seen from looking at the code in Morph
> areasRemainingToFill:
> is to use a transparent color ("Color transparent") for your morph (the
> default color is "Color blue")
> and use a different color actually for painting the cross.
> (for example, you can add another instance variable "crossColor" and use that
> one in the
> drawOn: method.
>
>
> nicolai
>
>
>
>
>
>
>
> > On Dec 26, 2014, at 11:58 AM, Hilaire <[email protected]
> > <mailto:[email protected]>> wrote:
> >
> > Hello,
> >
> > Morph color can be set to translucent, in your example it is problably
> > set with ColorTranslucent r:g:b or a similar class. Not sure about the name.
> >
> > Hilaire
> >
> > Le 26/12/2014 20:43, Edward Povazan a écrit :
> >> Hello,
> >>
> >> In the PBE example, and CrossMorph is created. As can be seen from its
> >> name, It is has a cross shape.
> >>
> >> When one adds keyboard handling to move it about, it seems the compositor
> >> thinks it is opaque, and doesn’t repaint the “not cross” areas with
> >> whatever is behind the morph.
> >>
> >> The result is the shape smears across the screen.
> >> This only occurs when moving exactly horizontally or vertically.
> >>
> >> I’ve been looking over the Morph API but can’t detect a method like
> >> #opaque: or #translucent: or similar.
> >>
> >> Is this a bug, or am I missing the correct way to deal with
> >> transparent/irregular shaped morphs?
> >>
> >> Thanks,
> >> -Ed
> >>
> >>
> >>
> >
> >
> > --
> > Dr. Geo - http://drgeo.eu <http://drgeo.eu/>
> > iStoa - http://istoa.drgeo.eu <http://istoa.drgeo.eu/>
> >
> >
