3D Collision

[dangerskew]

I followed the tutorials to make some 3d stuff, and I was wondering, is it possible to make it so you can't walk through walls and such? .fla attached

[Marz]

Yeah it is possible to do 3D collissions. It's rather difficult to explain but there is a process of doing it. First off, you would want to test 3d point allocations to your current position. So therefore, you would have to create a 3dhitTest. This hitTest would scan over not only x and y... but the z plane as well. Just as if you ere doing a complex 2d figure, you would test collission with multiple points, well, with the 3D figure, you would have to test with almost 3-6 times as many points... This could present a problem eh? :)

Just some random thoughts.

[bhjodokast]

It's best to cheat for now and approximate it, in my opinion.

If you want to be more exact: the scaled percentage can tell you approximate Z-Level. So if the X and Y line up, and if Scale is +/- 10% of the position of the object, you score a hit.

If you don't scale your 3-D this way (faking perspective with scaled movieclips), you can keep track of it with another variable called ObjectZLevel. Check it against something like CurrentZLevel and ProjectileZLevel. I'm working on a new 3-D example to illustrate this better.