(trash, do not read)

[mrpin355]

Let's see if this helps:

Change this:

Code:

until !(collision_rectangle(bbox_left,bbox_bottom-4,bbox_right,bbox_bottom-1,obj_slopeparent,1,0))

To this:

Code:

until (!collision_rectangle(bbox_left,bbox_bottom-4,bbox_right,bbox_bottom-1,obj_slopeparent,1,0))

Unfortunately, it still doesn't work.
I recommend you test it before you publish the code.
If you want, I could PM and give you the object and diagnose it.

A new signature is on the works but have this: