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Woodbridge

Tue May 20, 2003 8:50 am


How can i make this animation smooth

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I made this program but the animation is not smooth. Can somone tell me what i did wrong. 
setscreen ("graphics:450;400")
var pointx, pointy,level,difficult,psize,bouncer,bouncex,bouncey : int := 0
var centy,centx:int:=20
var mover : string (1)
var col,score,endscore: int := 0
var font1:int
process paddle
    Draw.FillBox (5, col, 10, col + 100, blue)
    loop
        if hasch then
            getch (mover)
            if mover = chr (200) then
                col := col + 10
            elsif mover = chr (208) then
                col := col - 10
            end if
        end if
Draw.FillBox (5, col, 10, col + 100, blue)
View.Update 
 

delay(20)
cls

end loop 
end paddle

fork paddle

thanks


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Tony

Tue May 20, 2003 9:01 am



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you set screen to graphics mode, you should have set it to offscreenonly instead


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naoki

Tue May 20, 2003 4:59 pm



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can anyone give me an example where input.keydown is less beneficial than hasch/getch structure?


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Catalyst

Tue May 20, 2003 5:24 pm



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it never is
getch/hasch will always be slower and less useful
the only case that might be presented is less lines
like it would be pointless to use keydown for this:
loop
exit when hasch
end loop


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Woodbridge

Wed May 21, 2003 8:27 pm



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I need the getch/hasch because the program is supposed to be a paddle for the game pong. i have to make it for a school project. but if you have any suggestions on how to do it better please share them. 
thanks


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nate

Wed May 21, 2003 8:43 pm


nope

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no u don't i made a pong game w. input.keydown easily!


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Blade

Thu May 22, 2003 7:37 am



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yeah. i prefer to use input.keydown too becuase it runs a hella lot faster. but it's only supported in turing 4.x not 3.x same with View.Set("offscreenonly")/View.Update


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naoki

Thu May 22, 2003 4:04 pm



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i think getch also has the unfortunate feature of needing a buffer when you press keys down too quickly

like when moving a circle, you can flood and make it move after you've stopped pressing on a key