Re: Collision detection

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Mario Veraart (rioj7++at++fel.tno.nl)
Fri, 21 Mar 1997 21:28:40 +0100 (MET)

> I am loading a terrain file as a SCS object and a car model
> as a DCS object. And then update the car coordinate from
> network (sending only x,y coord info from other machine).
> The problem is that the car won't follow the terrain (it
> goes under or above the terrain), and I wonder if I can
> use collision detection function in performer to do the trick.
> Is there any example to follow? (The "driving.c" from the
> tutorial source shows the collision detection between
> viewer and the scene which I can't apply to my case.)

You can use the pfNodeIsectSegs function to determine the
height of the terrain at a certain (x,y) position.
Look at the itersection traversal chapter in the Programmers manual.

Mario
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