RE: Object Orientation And Game Programming Question
- From: "Homme, James" <james.homme@xxxxxxxxxxxx>
- To: "programmingblind@xxxxxxxxxxxxx" <programmingblind@xxxxxxxxxxxxx>
- Date: Mon, 27 Sep 2010 15:21:12 -0400
Hi,
Maybe, for the sake of example, since it's a football game, the announcer knows
where everyone is. <grin>
Jim
Jim Homme,
Usability Services,
Phone: 412-544-1810. Skype: jim.homme
Internal recipients, Read my accessibility blog. Discuss accessibility here.
Accessibility Wiki: Breaking news and accessibility advice
-----Original Message-----
From: programmingblind-bounce@xxxxxxxxxxxxx
[mailto:programmingblind-bounce@xxxxxxxxxxxxx] On Behalf Of Tyler Littlefield
Sent: Monday, September 27, 2010 2:25 PM
To: programmingblind@xxxxxxxxxxxxx
Subject: Re: Object Orientation And Game Programming Question
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Hello Jim,
It depends on what is going on.
If you want to call something on the field that will report say the
position of all players, the field could:
1) Know where every player is.
2) Query a list of players for their positions.
If the player needs to know where the player is, and your logic for
movement is stored within the player:
1) The player should know where the player is, with a possible reference
to the field.
It really depends on how your laying things out, though.
Maybe you want to coordenate team movement, in which case the team might
have a list of player positions to find decent movement, or the team
might query the field.
One thing you will want to consider:
When you get to serious game programming, sometimes it is better to
store a reference to something (or have a pointer or something that
points to the player's coordenates) so that everything doesn't have to
be updated. The player will move, it's coords will be changed and since
everything stores a reference to it besides the player, everything that
uses it can query it.
This doesn't mean that the player's coords should be stored on
everything, but only some things where accessive lookups to the player's
coordenates might slow things down.
On 9/27/2010 11:07 AM, Homme, James wrote:
> Hi,
> This is just Jim trying to come to grips with Object Orientation again.
>
> As a simple example, let's say that we are making a program that plays
> American football. Let's further say that we are working with one player who
> is on the field. Should we allow the field to know where the player is on the
> field, or should we allow the player to know where the player is on the
> field? How do we determine the answer?
>
> Thanks.
>
> Jim
>
> Jim Homme,
> Usability Services,
> Phone: 412-544-1810. Skype: jim.homme
> Internal recipients, Read my accessibility
> blog<http://mysites.highmark.com/personal/lidikki/Blog/default.aspx>. Discuss
> accessibility
> here<http://collaborate.highmark.com/COP/technical/accessibility/default.aspx>.
> Accessibility Wiki: Breaking news and accessibility
> advice<http://collaborate.highmark.com/COP/technical/accessibility/Accessibility%20Wiki/Forms/AllPages.aspx>
>
>
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- --
Thanks,
Tyler Littlefield
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