[PD] locality with new [field] object (Jonathan Wilkes)

[Jonathan Wilkes]

Btw-- the "canvas" field isn't the only way to avoid throwing around 
gpointers.

Here's a quick pacman vector animation where I just animate by changing the
attributes of the drawing instruction.  Since it's all vector drawings I 
can scale pacman
to any size I wish without it becoming pixelated:

http://pdblog.nfshost.com/pacman.webm

I guess the next step is to make pacman eat those objects as he moves 
over them.

-Jonathan

On 09/02/2015 02:29 PM, jamal crawford wrote:
> hey list, Jonathan.
>
>     You start with a struct:[struct foo float x float y canvas a b]
>     Then create a scalar from this struct.
>     The scalar will have an "x" value, a "y" value, and a canvas "a"
>     which gets filled with the contents of an abstraction "b.pd" that
>     is somewhere in Pd's search path.
>     Now here's the neat thing-- inside the newly instantiated "b.pd"
>     you can do this:
>     [loadbang]|[field x]|[print x]
>
>     imagine you have a drawing instruction like this:[draw rect 0 0 20 20]
>     When you create the scalar you get a little black box on a canvas.
>     With a canvas field like I described, you can right-click the scalar and choose "Open" to show a canvas window.
>
> while trying to create [struct foo float x float y canvas a b], i get: 
> canvas: no such type, using pd 0.46.6
> what am I missing?
> ~/.jc

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