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- Newsgroups: comp.sys.mac.programmer
- Path: sparky!uunet!gumby!kzoo!k044477
- From: k044477@hobbes.kzoo.edu (Jamie R. McCarthy)
- Subject: Re: Arcade-style animation...
- Message-ID: <1993Jan28.030719.8314@hobbes.kzoo.edu>
- Organization: Kalamazoo College
- References: <34994@goofy.apple.COM> <1k6pol$bvn@agate.berkeley.edu> <C1JJIK.LMr@world.std.com>
- Date: Thu, 28 Jan 1993 03:07:19 GMT
- Lines: 25
-
- howlett@world.std.com (Joseph S Howlett) writes:
- >>Do people think it's worth bothering with synchronizing with the VBL
- >>when drawing sprites?
- >
- >I tried VBL synching, but found that it really didn't make any
- >visual difference since I'm erasing & drawing the new sprites in
- >one blit, so I abandoned it.
-
- I imagine that when you get a lot of larger sprites (32x32+) moving
- around, the beam will still tear some of them occasionally.
-
- There really is a huge difference between fast (30 fps+) graphics that
- are rock-solid and those that tear even only rarely. If you're going
- for the "gee whiz, that looks great" effect, at least try putting in
- the VBL-synch code, and see if it helps.
-
- >The VBL synching might also make your
- >program possibly run at different speeds on machines with monitors
- >which have different refresh rates, which is not good.
-
- Well, not if you do it right... :-)
- --
- Jamie McCarthy Internet: k044477@kzoo.edu AppleLink: j.mccarthy
- "A degree in Computer Science from Berkeley didn't much qualify me to uphold
- the banner of Chaos against the forces of Order." - R. Zelazny
-