[openal] distance model questions

[Chris Robinson]

On 05/18/2015 06:21 AM, Victorious wrote:
> I mean the former. For simplicity, I probably want a boxed shape, and
> the axis will always be in respect to the global x/y/z axis.

In that case, you need to calculate the distance to the nearest point on 
the bounding box when the point lies outside of it, and subtract that 
from the real distance and radius when calculating the interpolation factor.

Unfortunately the exact math to do that escapes me at the moment.