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DarkBASIC Professional Discussion / Matrix - Hills

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Rants
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Posted: 14th Sep 2003 20:29
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I've built a car program, everything seems ok, but I cant figure out how to calc. if its going up hill or down and then the proper rotation. Any help would be appreciated.
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Mentor
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Posted: 14th Sep 2003 21:35 Edited at: 14th Sep 2003 21:37
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you could get the ground height at the corners of the car, divide the height distance by the distance between the wheels you are checking, then find the ASIN of that, that gives you the angle to tilt, obviously you can get two sets of numbers, front to back right and front to back left as well as left to right for front and back, tilt the car to either the higher, lower, or the average, that works for modest undulations, or on rougher ground you may want to be getting the angles across the diagonals and then tilting the car to a compound of those angles, not sure of the exact sequence though, never made a car game, cheers.

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Posted: 14th Sep 2003 21:39
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Cool.. You wouldnt happen to have any sample code that would show that?
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David T
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Posted: 15th Sep 2003 22:11
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What I do to work out whether we're sloping up or down is to position a object just infront of the car on the matris and take the difference in heights between me and the dummy object.

If the dummy's Y is smaller then you're going down, else you're going up

c:/dos
c:/dos run
run dos run
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Robin
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Posted: 16th Sep 2003 16:50
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binary moons limit rush tutorials has an example of objects tilting to the ground, as does the 'Tank' demo in DBC
Robin

http://www.thegameszone.tk
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