Re: [pygame] question about Rect objects

[Alex Hall <mehgcap@xxxxxxxxx>]

On 5/19/10, B W <stabbingfinger@xxxxxxxxx> wrote:
> Hi, Alex.
>
> On Tue, May 18, 2010 at 6:12 PM, Alex Hall <mehgcap@xxxxxxxxx> wrote:
>
>> In the meantime,
>> do you have a place where I can find an example of drawing a grid of
>> Rects?
>
>
> I searched for a little bit and could not find any tutorials, or projects or
> demos that highlighted a grid as a feature. While there are several small
> games on pygame.org that do tic-tac-toe like grids, I did not find one that
> appeared simple enough for a first study.
>
> I whipped up a *very* basic demo that does the does the absolute minimum you
> ask. I didn't want to give too much away to an aspiring student. :) The demo
> lacks elegance and is not a good Python or Pygame example, but it may
> provide the small "hello world" boost you need. Hope so. Find it here...
> http://code.google.com/p/trollsouttaluckland/downloads/detail?name=grid0.py&can=2&q=
Thanks. I am a student, but this is not an assignment, it is a summer
project I basically decided to do a couple weeks ago.
> > Also, I would still like to put a rect into a boardSquare
>> object (an object I have defined) so I can call something like
>> board[i][j].Rect.changeColor(red) where changeColor is a method I
>> implement. Is this not possible / a huge waste of resources?
>>
>
> What you describe is a common practice, and is generally encouraged. And
> yes, if you have many, many squares, each with a copy of the same image, it
> would likely be considered wasteful. As Jason suggests, you might economize
> images by making a set of unique ones and sharing them amongst the squares.
> On the other hand, a small board game's memory requirements is
> insignificant. Still, I am sure that a demonstration of smart resource
> management would be good for your grade.
>
> To pursue this, you will want to define a class that implements the
> changeColor() method; either your own class or by subclassing the Sprite
> class. Next you will want to store your objects (or sprites) in a list or
> dict for easy lookup. Using a dict will allow the index style board[i,j]
> versus board[i][j], but you may find good reasons to stick with a list.
> Lastly, if you go with Sprites I would recommend also creating a sprite
> group (as Jason suggests) if only because its update() and draw() methods
> can make your tasks much easier.
>
> I still suggest you read a sprite tutorial on pygame.org. I predict that
> demonstrating this acquired knowledge would be very good for your grade. :)
Again, no grade here. However, I can see this being quite useful in
future, depending on which project comes next.
>
> Gumm
>


-- 
Have a great day,
Alex (msg sent from GMail website)
mehgcap@xxxxxxxxx; http://www.facebook.com/mehgcap