[ODE] ray changes from 0.5 to 0.6

[Chris M.]

Yeah, I did that and fixed the problem.  I did not write this code and am 
trying to learn ODE while going through this code. I'm not sure what they 
had in mind with the original code.   Thanks for the help.  It now works 
fine with ode 0.6.


>I think that m_laserRange is the length of the raycast?
>then contact.geom.depth is not a ratio (is that right?) and so if you do 
>contact.geom.depth * m_laserRange you'll get bigger value!

>I think you just need to keep contact.geom.depth as height value.