[sldev] Optimus Prim vs. Megatrim: "The Big Prim Problem"
Kelly Linden
kelly at lindenlab.com
Wed Oct 17 10:18:08 PDT 2007
Callum Lerwick wrote:
> On Wed, 2007-10-17 at 11:06 -0500, Argent Stonecutter wrote:
>
>> On 17-Oct-2007, at 09:15, Dzonatas wrote:
>>
>>> What to do with the megaprims?
>>>
>> Keep them, let people create and rez new megaprims up to 256 meters,
>> don't make it a complex operation to do so, don't magically convert
>> prims into linksets, just ignore them in the physics engine.
>>
>
> Well, you can't completely ignore them in the physics engine.
> Disallowing them from being set physical would be reasonable. Forcing
> them phantom would dramatically reduce their utility. I use them to make
> floors. Why use up 9+ precious prims for a floor when I can just use a
> single megaprim? :)
>
> Using invisiprims for collisions would defeat the whole point of using
> megaprims for prim-scrimping...
>
> You need to perform collision detection on megaprims. The fact that the
> megaprim itself is not physical however should prevent the need to merge
> "simulation islands" in the physics engine, which was previously cited
> as a major performance concern.
>
>
This last bit is not true. Large prims, even if they are "static",
still effect the simulation islands.
- Kelly
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