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Article #1790PC Graphics (animation)
From: Scott Senkeresty
Date: Thu, 21 Jan 1993 08:22
Date: Thu, 21 Jan 1993 08:22
47 lines
2325 bytes
2325 bytes
Reality is slowly setting in... My roommate and I have decided several things. 1) IBM graphics are a really stupid 2) We are even more stupid In hopes of conquering both problems, you must help us out here. We are interested in learning to program VGA graphics on our machines... and instead of starting off hell-bound and posting a famous, "How do we make graphics like in Wolf-3d", we are starting very simple... with the very famouse game, Pong. Our main question is how to move the paddles and ball. We have tried the obvious. Write over the current object in the background color, and redraw it at the new location. Several problems occured... Flickering, Jumpiness, and a slow down of things when the paddles move (ie ball moves quickly with no paddle movement, slower with 1 paddle movement, slowest with both). What is the logical way of doing this!? We think maybe we need to store the whole screen as a bitmap... manipulate our bitmap, and then somehow put it on the screen (notice the SOMEHOW, as in... beats us). [ Are we sounding pathetic enough for your help yet? ] As long as we are at it... there is the problem of the typematic key rates, etc. It would be nice to be able to press several keys at once, and have them be DOWN until let up... not repeating... It is our understanding that this would require writing an Int-9 handler. Any chance of just happening to come across some source code!? :-) Oh yes... I forgot something important... As of now, we are using just C. We have experimented with Steven Dollins' mode x library as well. So... get us going in the right direction at least! Please ? -- -- Scott and Chris -- ssenkere@tuba.calpoly.edu || cseitzin@flute.calpoly.edu -- ---------------------------------------------------------------------------- | ssenkere@demeter.calpoly.edu || ssenkere@polyslo.calpoly.edu | ----------------------------------------------------------------------------
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Path: arc1-ca.pugleaf.net!sparky!uunet!olivea!charnel!rat!zeus!ssenkere From: ssenkere@zeus.calpoly.edu (Scott Senkeresty) Newsgroups: rec.games.programmer Subject: PC Graphics (animation) Message-ID: <1993Jan21.082235.505680@zeus.calpoly.edu> Date: 21 Jan 93 08:22:35 GMT Organization: SSS - Silly Students of SLO Lines: 47