distance between 2 different objects

I used this value (below) as the value of an instance variable (being set "Every tick")

distance(Players.X, PirateSwordStand.X, Players.Y, PirateSwordStand.Y)

I only want the horizontal distance (x axis) between "players" and "PirateSwordStand".

If the horizontal distance between the 2 objects is less than 20, PirateSwordStand will stop walking (simulated, not by pressing buttons) and go to "Stance" animation.

In what units are the distances being measured? I used 20 as the value but I don't have a clue about how long 20 units of distance is.

<img src="http://neuropod.net/imagehost/uploads/a918f21ba7847ddd1fb86769ceac28f2.png" border="0" />

The PirateSwordStand DOES NOT go to Stance animation and/or Attack animation.

Also, how do I stop the walking of the platform ?

Edit:

PirateSwordStand is an enemy, so the movements/controls of the GoonBox are simulated.

The codes shown in the pic results in the PirateSwordStand instances walking back and forth.

What I want is for them to stop walking, change animation to Stance, then change to Attack animation, if and only if when the player is near them (per instance)

It should be distance(x1, y1, x2, y2) you have distance(x1, x2, y1, y2)

Wiki Exspression

Your Distance Calculation is false it should be (x1, y1, x2, y2)

But if you want just check the horizontal distance better do:

+ System compare abs(x1 - x2) >= 20

+ Trigger once while true

• your actions

you dont need any every tick for that