My code is bugging out with frame perfect timing

[The Green Dev]

I was working on my main ground movement for my game when I found out that when you ran a certain direction then changed it to the opposite in a single frame, it would freeze the xsp.

dir = keyboard_check(ord("D"))-keyboard_check(ord("A"))

if dir != 0
{
    if abs(xsp) < wlk
    {
        xsp += acc*dir
        if sign(xsp) = dir
        {
            if abs(xsp) < msp
            {
                xsp = msp*sign(xsp)
            }
        }
        else
        {
            xsp += (skd-acc)*dir
        }
    }
}
else
{
    xsp -= min(abs(xsp), dec)*sign(xsp)
}

x += xsp
y += ysp

view_xview[view_current] = round(x)-view_wview[view_current]/2
view_yview[view_current] = round(y)-view_hview[view_current]/2

Any help please?

 

[jo-thijs]

That's because abs(xsp) won't have gone below wlk yet.
Try using xsp * dir instead of abs(xsp).

 

[The Green Dev]

thats intentional

 

[jo-thijs]

Then you're saying the issue is intentional.

Let me put it like this:
Does the freeze of xsp also happen if the player isn't at maximal horizontal speed yet?
You can easilly test this by setting the room speed to 1.

 

[The Green Dev]

Sorry, I fixed it, it turns out when you turn around within a frame, the game thinks you can't accelerate