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C++, Degrees and Space Mines by really-joel2007-08-08 07:24:21
  It's simple in theory.... by Didactylos 2007-08-08 07:42:08
in practice, there are some interesting aspects. Collision detection, for example - if you evaluate using a bounding box at every time step, the bullet could pass through the target without ever "hitting" it.

Then there's the basic physics. You need to decide on all sorts of things concerning your in-game physics - do you have gravity, air resistance....?

And your actual question? You need to add time and initial velocity to the equation. Solve for time, then convert to cartesian coordinates. I'm sure someone else will have answered more fully by the time I've typed this.....
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