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Apps 3D Picking/ray-sphere intersection

eshvartz

Lurker
sry i think i posted this at the wrong place before, i hope this is the place:
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hello all, aside of introduction post this is my first post here.

I'm trying to build a new android game.
I seem to find the problem of picking a specific object off of a 3d scene difficult.

does anyone understand how to implement the ray that helps me pick the object?:confused:

I tried tutorials (they are rare) youtube videos (even rarer) and lately i got 3 books about it but it would take so long.. I'd appreciate any help im really stuck
 
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