Slava,
A long time boids bug is that sometimes the boids will disappear over time.
The problem is that occasionally the velocity of a boid gets set to
{ 1.0/0.0 1.0/0.0 }
putting the boid in an unrenderable state. This value comes from calling
normalize with a vector of length 0. My naive workaround to see if this was
the cause of the bug is:
: normalize* normalize ;
: normalize ( u -- v ) { 0.001 0.001 } v+ normalize* ;
This seems to help. I'll try to add a less kludgy fix later.
Ed
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