Quote:
Originally Posted by luthier
That's exactly what we tried at first, but there are too many trees and too many planes. We also use a rather unorthodox scheme for tree coordinates, which allows us to generate more trees in a frame than perhaps ever in the history of speedtree, but that also makes collisions difficult to track.
Even with a single plane, anything we try leads to significant freezes when flying over terrain, much worse than anything you currently see, and if you have say two large squadrons taking off one in England and one in France, forget it, the constant generation of collisions against multiple fast-moving objects kills everything.
This could possibly be cured by dumping everything onto a separate core used for nothing but tree collisions, but that would instantly increase our system requirements to 4+ core systems.
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First - I would like to thank you for the response, and again the good FAQ you have posted. This is exactly what I feel we need more of and it greatly eases (some) of our worries, the community can deal with alot more if we know that the gods are listening ^^ !
For the tree collisions, since I imagine there is a average height for the trees, could there be a possibility of creating a "crash zone" around forested areas? Essentially not individual hitboxes but a much larger box for the whole "forest/section/row" and not individually. So if I flew into a forest at any speed in a plane realistically the thing would probably disintegrate from many many impacts, because of this creating a larger "box" for forested areas might work. It would also allow you to create a single "wall" or hitbox for a row of trees say on the side of the road, but allow the plane to move between rows.
Dont know if any of that can be done or is applicable, hope you work something out (or maybe not bother about generating trees/impacts unless its close to the player, we dont see or know about a plane crash in france if we are over the UK).