You know that mayhem will open a few new possibilities ;) -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Thomas Harte Sent: 10 April 2008 00:00 To: Adrian Subject: Re: Attempts at 3d on the Sam?
I don't see how a Freescape-style engine for the Sam is technically unrealistic. Please elaborate. On 9 Apr 2008, at 22:19, Aleš Keprt wrote: > Guys, please be realistic. 3D on Sam sucks. > /--- > Aley > > -------------------------------------------------------------------------- > > ----- Original Message ----- From: "Thomas Harte" <[EMAIL PROTECTED] > > > To: <sam-users@nvg.ntnu.no> > Sent: Tuesday, April 08, 2008 3:35 PM > Subject: Attempts at 3d on the Sam? > > > Hi, > > I've just discovered pyz80 and am having a fresh bash at some Sam > projects. As I'm simultaneously working on a Freescape interpreter for > the PC, my thoughts have inevitably turned to 3d on the Sam, even if > it means a Freescape-style non-realtime display. I'm therefore curious > about lots of things, and have a multitude of questions: > > - besides Stratosphere, the F16 demo and that brief gameover bit in > Dyzonium, are there any other playable segments of games that > demonstrate 3d graphics? I know there are some demos with bits of 3d > graphics, but I figure that spending 256 kb on getting the fastest > possible rotating cube isn't a helpful guide. > > - has it been established whether the animated gifs of Chrome featured > on http://www.samcoupe.com/preview.htm represents the speed at which > the game would play on a real, unexpanded Sam? > > - is there any speed advantage to using the ROM routines such as > JDRAW, JPUT and/or JBLITZ? I appreciate that they are more general > case than routines that it makes sense to write for a game, but as I > understand it the ROM is uncontended? > > To be honest, I can imagine that something like Chrome could be done > with a live update since most of the display doesn't change between > most frames (it's just a bunch of vertical strips of colour that quite > often change height and occasionally change colour), and the > algorithms that are commonly used to calculate scenes such as that in > Chrome make it really cheap to calculate out a minimal list of the > required changes. > APB Computer Services Ltd. Registered Address: 3 Springfield, Trevadlock, Congdons Shop, Launceston, Cornwall, PL15 7PW. Registration Number: 4942193. V.A.T. No: 826 0005 70 This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager. This message contains confidential information and is intended only for the individual named. If you are not the named addressee you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately by e-mail if you have received this e-mail by mistake and delete this e-mail from your system. If you are not the intended recipient you are notified that disclosing, copying, distributing or taking any action in reliance on the contents of this information is strictly prohibited.
