compensation the diagonal movement speed

I created 8 direction movement event for compensation the diagonal movement speed.
However, the object will trembling when moving diagonal direction.

How I do to smooth diagonal movement keep compensation diagonal movement speed?

http://prester.org/mmf2/cgi/w2box/da...l_movement.png

Are you using your own createdmovement, or are you modifying the built in one?

EDIT: nevermind

You really should be using fastloops for accurate movement. Also you are setting the x and y positions a LOT during your events but at the bottom you have an Always event that is setting the x and y position to alterable A and B anyway, so it's overriding all of those other set positions... To me it just seems like a lot of unneeded actions.

@Konidias Could you send me example?

Are fast loops realy nessesary for this?

Couldnt one just use built in 8 directional, and modify the speed for the diagonal directions?

Nope (to the first question) - the only reason for using fastloops in a custom movement would be if you needed to check for collisions after each step. Otherwise it's just pointless and inefficient.
I could be wrong, but I think built-in movements only support integer speeds, and anyway they suck.

Anyway, the cause of the problem is very hard to explain, (it's to do with the fact that you're using sub-pixel positioning so the line doesn't pass through the centre of each pixel, and since you don't draw every pixel the line passes through, you end up with a jagged line).
Attachment 9608

The simplest fix I can think of right now, is to lock the object's position to the nearest pixel (integer) whenever it changes direction.
eg. http://sdrv.ms/14sZAHk

MuddyMole, I wouldn't dismiss fastloops so quickly. they are far more accurate and result in the best possible movement/collision that you're going to get. It's hard to argue otherwise. Also I don't like the stigma that all fastloops are inefficient... You are not going to see frame drops with less than 30 simple fastloop events per tick.

Quote:

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Originally Posted by Konidias

MuddyMole, I wouldn't dismiss fastloops so quickly. they are far more accurate and result in the best possible movement/collision that you're going to get

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More accurate collision detection, yes - but that's all. What ASD is doing doesn't require collision detection, so there is absolutely no advantage to using fastloops.

Here's a fixed up version that uses trigonometry for the movement.
The jittery line issue will appear if you press more than 2 directional arrows at once, but otherwise, it works fine.Attachment 9611

@Pineapple Nice example! But, I'm making game using Joystick 2 extension. It not have immediate condition (I can't make line no.4 event in your file.).
Can you modify the event without immediate condition?

OK, this should do it.

Attachment 9617

Sorry for late. Very nice modified example!
Thanks so much!