Hi Andrew!
> In case it hasn't been mentioned before, the collision
> detection is a bit suss.
Thanks for spotting that!
> Occasionally at the instant of firing, my target
> explodes. There should be some time delay for the
> shot to get there, and that time delay should be
> based on distance, not just screen position of the
> sprites. Otherwise, coming along nicely.
That's exactly how it was intended, actually I'm not
even checking for a collision before the particle hits
the center of the screen.
Only, to make it somewhat friendlier for the player, I
allow a "Hit" on both the frame the shot expires and the
frame before that. Now thanks to your hint I manged to
track down a bug in the code determining these last two
frames.
Oh, and before someone else reports this as a bug: To
make hitting the single pixel targets a little easier,
the collision detection is very friendly towards the
horizontal position of an object. I experienced it was
very frustrating, next to impossible, to hit those
without helping the player a bit.
Greetings,
Manuel
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