At 10:33 PM 6/21/2000 -0500, you wrote:
I does need to clear it if it want's to recognize another press later.(I
don't know why you wouldn't) You don't really have to test the current
state. I guess you could read the latch, and only if it has latched in a
press clear it, otherwise not, but that would probably take more code and
time than simply clearing it each time.
A game like Enduro needs to know when the fire button has been released
after it's been held for a while. The latched mode will be stuck until you
clear it. If you just clear it when it's set every frame, and you still
have your thumb on the button, then the latch won't be set again, will
it? So it "forgets" that you are still holding the button down. Hence the
need to manually poll the current state. The latch is only set when the
button goes from an unpressed to a pressed state, right?
If you simply poll the actual current state once a frame I guess that would
be accurate enough for most games. Odds are you won't be able to hold the
fire button down (or momentarily release it) so briefly that it doesn't
cross at least one read in time to register it.
Glenn Saunders - Producer - Cyberpunks Entertainment
Personal homepage: http://www.geocities.com/Hollywood/1698
Cyberpunks Entertainment: http://cyberpunks.uni.cc
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