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seen Oct 19 '12 at 16:56
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Oct
8
comment How do you set the movement speed of a sprite?
Slick has its own method called update(). I'm not sure how it works. I haven't looked at the code.
Oct
8
comment How do you set the movement speed of a sprite?
I understand the physics, but how do I implement this? So my rate is a constant, like .3. Would time be delta (a variable of the Slick method update())?
Oct
7
comment How do you set the movement speed of a sprite?
I considered this. I just didn't know if it was good form. I'll try it though, thanks.
Oct
7
comment Can a high FPS negatively affect how a program runs?
Huh... Good point. Unfortunately, eliminating delta does not solve the problem...
Oct
7
comment Can a high FPS negatively affect how a program runs?
That's what I figured... And unfortunately why I'm not expecting a perfect answer. I know there is too much that can go wrong. I was just looking for some information about updates and frame rate, which you provided very well.
Oct
7
comment Can a high FPS negatively affect how a program runs?
Yes I am. I multiply the velocity (which is the cos/sin of the angle that the image is facing * move speed) by delta. You think that could be causing a problem?
Oct
7
comment Can a high FPS negatively affect how a program runs?
thanks for both replies. I'll check for gotchas and consider the latter. As for calling the update, it's Slick's own required method that gets called. I did, however, stop it from drawing on every update. Now it only draws when something changes.
Oct
7
comment Can a high FPS negatively affect how a program runs?
As for the calling the draw method too often, that is likely. I'm calling it in every update. What's a better way to call it?
Oct
7
comment Can a high FPS negatively affect how a program runs?
What's a gotcha?
Oct
2
comment Move sprite in the direction it is facing?
Thank you. After a few modifications, this did work. I have another question for you though if you happen to read this: getting the sprite to move backwards is just -= of what you have here. How do I make it move left or right though?
Sep
29
comment Move sprite in the direction it is facing?
movespeed is a constant, in this case set at .3
Sep
28
comment Move sprite in the direction it is facing?
No it's the code I used that caused the problem. See the comments below. Someone asked for it.
Sep
28
comment Move sprite in the direction it is facing?
The exact code has been updated
Sep
26
comment Move sprite in the direction it is facing?
I tried doing this, but the sprite still doesn't move correctly. It only seems to move to the left of the screen really. And when a key is down, you can't move the mouse around the screen. Any ideas what causes that?