Layer collision

[Kochicoro]

There is any way of make an object to collide on any layer? I want to use some layers to bring objects in front and some others behind and I would like to make them to collide with any object on any layer. Also i would like to have some backdrops that collide on various layers. Is this possible? If it isn't, it would be a nice feature to add a multilayer collision detection property.

[Joshtek]

No, you'd have to have invisible objects/layers for collisions or something.

[Popcorn]

A good method is to put all objects with collision detection in one layer, and all the gfx in other layers.
Then just have events to always set the position of the gfx objects above the real objects.

[Kochicoro]

No, its not for use, because i want to use layers to avoid collisions. For example, i have some pseudo 3D effect for rotating spikes, so depending of the layer the character is, it collides with some balls or with other ones, but i have to add the backdrops to all the layers to make the character to dont fall behind the ground chen changing layer.

[Dines]

Use Joshtek's method. Have collider objects on all layers. OR, alternatively, if you don't need to check several layers simultaneously, try shifting the detector objects from one layer to another (after re-reading your post, I think this second option is more for you).

I've used the detector-on-all-layers method (the first option) to good effect before in making a sunglare effect (so a paralax mountain blocks out the flash of the sun, but so do objects scrolling at different speeds on closer layers).