Hiya, how about logging the _root._xmouse properties (AS2) or log
the localX/ stageX properties of the MouseEvent class in AS3. The
timer can be triggered by moving over a movieclip or by whatever then
set the parameters of where your 'moving area' is to be on the stage
or let the user use the whole stage once the timer starts, using this
method you can log their movements outside of the box!
Hope this helps,
Ali
On 13 Feb 2008, at 07:04, Paul Steven wrote:
Thanks Cory
Good point about the setInterval introducing redundant
processing.Problem
with placing an invisible movie clip is, the users mouse may not
pass over
this movie clip. For example, the movie is 600 pixels wide and 400
pixels
high. If I place a 400 high and say 10 pixels wide movie clip in
the center
of the movie, it is still possible for the player to move their
mouse left
and right in the area to the left or the area to the right of the
hidden
movie clip - hence no speed would be detected. I am therefore not
sure how
to overcome this apart from insisting they move the mouse in a
specified
area.
Any ideas anyone?
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
Cory Petosky
Sent: 12 February 2008 21:52
To: Flash Coders List
Cc: [EMAIL PROTECTED]
Subject: Re: [Flashcoders] Control speed by how fast mouse moving
You'd be better off doing it in an onEnterFrame or a onMouseMove than
in a setInterval call -- code is only executed between frames anyway,
so your way just adds extra processing burden.
Since all these events are only working once per frame, just comparing
x's isn't likely to give you meaningful data -- if a player moves his
mouse rapidly left to right at a rate that's some factor of your
framerate, you could easily get the same (or similar) x value at every
read. Increasing the framerate could help this, but brings other
problems.
Consider placing a small, invisible movieclip on the path you intend
the user to move his mouse, and listen for onRollOver. You can use the
number of RollOver events per second to adjust speed. Just keep in
mind that you won't get any more events than your framerate.
Finally, instead of adjusting speed directly, adjust max speed and
provide a constant acceleration toward the current max speed. For
example, if the user starts out at a rate that correlates to 50 mph,
his current speed should slowly increase at a constant rate over many
seconds until it reaches 50. Similarly, once the user begins to slow
down, the speed should decrease linearly to the maximum speed allowed
by the mouse move rate. This provides a slow acceleration at the
beginning -- which is probably what you want if you're emulating the
old button mashers -- and provides smooth speed changes as the game
progresses, which is definitely good.
On 2/12/08, Paul Steven <[EMAIL PROTECTED]> wrote:
I am trying to program a game where a character moves faster, the
faster
the
player moved the mouse left and right. A bit like the old Dailey
Decathlon
Game where you had to hit 2 keys on the keyboard on after the
other as
fast
as you can to control the speed of say a character running.
I could do with some advice on how to achieve this.
I have a frame rate of 31 FPS, with a movie width of 600 pixels.
Currently I am calling a function every 10ms to calculate the speed
objShowerGame.updateSpeedInterval = setInterval(updateSpeed, 10);
I compare the previous mouse X position with the current one and
use this
difference as the speed.
This isn't really working so I could do with some suggestions.
Thanks
Paul
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