 | | | smooth scrolling/subpixel tweening | smooth scrolling/subpixel tweening 2003-11-23 - By vaccaro3@(protected)
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Hi all
I'm a beginner/intermediate at lingo programming, and I'm working on a
game where the character can jump up/forward/backwards in a set arc. I've
got the code for that pretty much working, but the problem is he jumps at
the speed of light. I'm not all familiar with Director, so what would be
the optimal way of slowing down and maybe interpolating this movement?
Awhile ago I saw an article on DOUG, I believe, that talked about subpixel
movement, but I can't find it anywhere. Also, is calculating the parabola
for the jump a justified solution, or is there a simpler method?
Any advice on this or any other game logic is greatly appreciated, thanks.
-b
the code I'm using (numbers are hardcoded for the moment):
on jump jumpDir
-- jumpDir:
-- 1 = left -1 = left 0 = up
pX = 0
repeat with pCount = 0 to 10
pX = pCount
pY = (-0.32 * power(abs(pX - 5), 2)) + pB
my.locV = GroundPos - (pY * 25)
if jumpDir <> 0 then
my.locH = my.locH - (jumpDir * (pCount * inc))
end if
updatestage
end repeat
end
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