Is this any help ?
https://www.scirra.com/tutorials/419/page-1#tuttop
in that case
change above to something like
https://goo.gl/UXY4mh
which gives
https://dl.dropboxusercontent.com/u/143 ... index.html
there are, of course, other ways...
or , very slightly adapted from demo space shooter that comes with construct 2, reducing the need for a second (invisible) sprite and also the every tick.
https://goo.gl/nA76uj
Develop games in your browser. Powerful, performant & highly capable.
you cant make the global variable random when you first add it to the event sheet but once added you can then set it in the events ...
https://goo.gl/jA9Gvt
also look at http://www.mapeditor.org/
have a look at the x and y spacing in the tilemap properties
I think an example ships with construct - from constructs home/start page search for zoom.
edit - sorry I didn't read your posts properly, I guess you have already seen that example
maybe this post will give you some ideas, or maybe not....
ok - now i'm late !
quick test - needs (a lot of) work
https://goo.gl/QmWFcx
it is rarely a good idea to mix the physics behaviour with others.
If you don't have a better answer before I get home I will try to come up with something for you...
you could also look at the relative x (&y) coordinates of the two colliding sprites and make a decision on these
Having stolen an idea by CrudeMik ...
very simple maze "start" - please post any improvements you make.
https://goo.gl/7XePdJ
here is my edit if you want
https://goo.gl/lHsP2c
luckyrawatlucky - please check your link.
https://goo.gl/D0iMg7