From: "David A. Black" <dblack@...>
Date: 2008-09-07T04:46:57+09:00
Subject: Re: Request for Block local methods, and Proc syntax

Hi --

On Sun, 7 Sep 2008, Patrick Li wrote:

> Hi David,
> Mmm, I'm really not sure how it can be accomplished. I agree, yielding
> an object to a block is a rock solid approach. It's a technique that I
> love, and use everywhere. Which is actually, what led me to think about
> this:
>
> Everywhere in my code is stuff like this:
>
> # from my event listening system...
> listen do |listener|
>  listener.listenTo(:playerKilledEvent) do
>    ...
>  end
> end
>
> # from my drawing system...
> engine.drawFrame do |drawer|
>  drawer.drawRect(...)
>  drawer.drawCircle(...)
> end
>
> # from my collision system...
> engine.detectCollision do |collider|
>  @collided = collider.checkCollision(@myRect, @myCircle)
> end
>
> Which begs the question: Is there a better way?

Personally I do not at all rule out this in cases like those:

   drawer = engine.draw_frame
   drawer.draw_rect(...)
   drawer.draw_circle(...)

etc.


David

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