Problem beetwen Joystick and keyboard

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4

is_on_wall_only() is pretty specific, and is_action_just_pressed with controller/axis inputs is not ideal.

It could be any of these mixed together, pressing left on the controller means you must cross a neutral input, so you may not count as “is_on_wall” for a frame between holding right to left. If you have a right-raycast for detecting wall slides it may be better to use that, it has more give/coyote time than is_on_wall.

Try this snippet out, mostly moving ray_right.is_colliding() check instead of is_on_wall_only, and using a dot product to determine if the wall is facing left, with more leniency.

var wall_left: float = wall_normal.dot(Vector2.LEFT)
if Input.is_action_just_pressed("left") and wall_left > 0.95 and ray_right.is_colliding():
    if Input.is_action_pressed("jump"):
    # etc...

Make sure to paste code instead of screenshots