Forums » Help » Collision tile symbols S SL W H

What are the different squares supposed to symbolize in the collisiontile.png tileset? I'm referring to the pink S, green SL, blue W and orange H (the pink S is used for collision in the tutorials).

Is it possible to have tiles that affect an entity other than just collision checking?

For example, if I want to create ladders, is there a way to make a layer called ladders that uses the green SL and link my drawing layer to it (instead of linking it to collision and pink S)? And is this what the S SL W and H are meant to be used for?

I know I can set up a trigger area for things like water, but for something like ladders where there are many, it seems tedious to use trigger areas.

http://impactjs.com/forums/help/passing-through-entity-from-only-one-direction

scroll right to the bottom.

it's totally possible, the letters i presume are Solid, Slime, Water, H?

Thanks, very helpful on both questions.

Yes Hareesun is correct. It's a little obscure but it is in a great tutorial post at
http://www.adobe.com/devnet/html5/articles/dreamweaver/developing-html5-games-with-impactjs.html

but they don't really do anything (behave like water or slime) so I'm guessing they are just place holders.

They were placeholders, but they're not in use now - there is no special behaviour internally, as Dominic has indicated, mostly because water/slime type behaviour is generally better represented by trigger entities rather than tiles in the collision map. (Like it's done in Biolab Disaster)

I also get the impression from screenshots that they're being removed in 1.19, but even if they're not, the way it's set up is that they correspond to types 1-4 in the collision map (0 is empty) and types 1 through 255 are all defined currently as solid with no extra behaviour.

Arantor, you're exactly right. The old collision tileset has been removed in 1.19 in favor of a new tileset that supports slopes and one-way movement.

1.19 was released only minutes after your post :)

Heh, I had to go out, and so sadly missed all the real fun until this evening, but I guess I just soaked up the demo videos rather well ;)