[Opensim-users] Boat script for bullet engine

[Mister Blue]

As BulletSim's maintainer, I would like to fix the problems you've been
finding.

I thought I'd fixed the sinking problem in the latest master. There used to
be a problem with setting buoyancy (BulletSim is like SL when dealing with
buoyancy and vehicles and not like ODE).

If you can file a Mantis with a short script that fails, I will take a look
at it. I want vehicles to work with BulletSim.

== MB

On Mon, Jun 8, 2015 at 10:58 AM, Thomas Ringate <tringate at gmail.com> wrote:

>   I have been trying to modify the vehicle script for the
> bulletsim-jetbike v1.0.lsl written by Shin Ingen.  I want to use the script
> in a Jet Ski.
>
> The issues I need to solve are:
> - do not sink when driver sits
> - detect region borders and veer away
> - detect shoreline and veer away
>
> The most critical of these is the first.  Searching using Google shows
> that the most common problem for a boat is that it sinks when the driver
> gets on the boat.  I am able to keep the boat afloat using the above
> script if I never turn it.  Once I maneuver at all it slowly sinks to the
> bottom.
>
> Unfortunately, after reading for many hours about vehicles in the wiki, I
> find nothing I change or try does anything but make it worse.
>
> There are no published working bullet scripts for a boat that I could find
> as an example to achieve a boat that would maneuver and stay floating.
>
> Is there such a script?  If so can someone point me to it please.
>
> The above script is really a lot of fun speeding around a region diving
> into water, scaling mountains and flying back to ground level.
> As long as you avoid the regions borders it is great.
> I have added code to detect the borders, veer away and slow down while
> doing it.
> Unfortunately there is no way I have found to do this the same way as
> running into a non phantom prim.
> I have to set the border limit to 15 meters to give the script time to
> react, slow the vehicle and start the turn operation.
> It is still possible to overshoot the border and that is sudden death for
> this script and vehicle.
>
> Tom
>
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