Subject: Re: [stella] collision detection From: "Eckhard Stolberg" <Eckhard_Stolberg@xxxxxx> Date: Sun, 7 Sep 2003 15:00:58 +0200 |
> After an attempt at 'optimizing' the collision detection in a port of > Stella, I found that Freeway no longer detected collisions, but the > other programs I tested were OK. Is there some strange trick used in > Freeway to catch collisions between the chickens and cars? In Freeway all the cars are drawn with the same player. Also both chicken are drawn with two copies of the same player. In order to detect independent collisions for both chickens Freeway resets the collision detection registers twice per scanline just before the chicken is about to be displayed. Ciao, Eckhard Stolberg ---------------------------------------------------------------------------------------------- Archives (includes files) at http://www.biglist.com/lists/stella/archives/ Unsub & more at http://www.biglist.com/lists/stella/
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