Subject: [stella] Jumpbean Questions From: Ruffin Bailey <rufbo@xxxxxxxxxxx> Date: Sat, 6 Dec 97 20:45:03 -0500 |
>How about just describing in more detail how you'd like your game to >work, and maybe we can offer some specific advice? Well, mine's really not too tough. I'm doing a Jumpman clone, more or less. RIght now I'm just keeping the "Jumpman-sprite" (which is a Mexican jumping bean for now) eight or nine bits high and placing the blocks that he's trying to collect at least 5 scan lines away from one another (vertically) so that I only have to check the y-coordinate of my player to determine which block it is with which he had collided. The blocks are drawn with a recycled player1. Player1 is used exclusively for the blocks so that there's no flicker. The ball is doing duty as that annoying little speck that shoots at you periodically, and I'd like to figure out some way to use the missiles for that as well. I'd rather not check for collisions while drawing the playfield at the outset, since I want that time in case I put in some pretty fancy code to draw moving platforms, etc. I'm also real sketchy as to player positioning. I haven't been able to check anything out yet, since I haven't been able to find a usable program to assemble my code on my PowerMac to use with Stella, nor do I have the dough to shell out for VirtualPC. (I do have a wonderful C=64 emu now, Power64, so if anyone could help me assemble Playbin, I could probably at least tape that coming out of my speaker and try it on my Supercharger) As I understand it, I don't have to worry about the x-coordinate of the player. I just set HMOVE like I like it, and he'll wrap around the edges if he goes there. If I want to move the player vertically, I just reset the player on a different line, correct? Will the machine keep his horizontal position the same? I've looked at some dissembled code (eg, Freeway and Pac Man), but boy that's a mess to jump into with both feet. If anyone has some small excerpts at which I could take a gander (a gander?!!), that'd be great! Thanks tons, Ruffin Bailey rufbo@xxxxxxxxxxx -- Stella list is Administered by krishna@xxxxxxxxxxxx <Glenn Saunders> Archives (includes files) at http://www.biglist.com/lists/stella/archives/ Unsub & more at http://www.biglist.com/lists/stella/stella.html +-shameless plugs-------------------------------------------------------+ | Stella documentary at http://www.primenet.com/~krishna | | Nick's VCS links via http://www.primenet.com/~nickb/atariprg.htm | | Write the best game, win framed autographs of famous Atari alumni!! | +-----------------------------------------------------------------------+
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