// Update is called once per frame
void Update( )
{
new Thread(() =>
{
//run through all boids.
for (int i = _boids.Count - 1; i >= 0; --i)
{
Boid b = _boids[i];
//get the boids current velocity.
Vector3 velocity = b.velocity;
//add the influences of neighboring boids to the velocity.
velocity += _alignment.getResult(_boids, i);
velocity += _cohesion.getResult(_boids, i);
velocity += _separation.getResult(_boids, i);
//normalize the velocity and make sure that the boids new velocity is updated.
velocity.Normalize( );
b.velocity = velocity;
b.lookat = b.position + velocity;
}
}).Start( );
for (int i = _boids.Count - 1; i >= 0; --i)
{
//update the boids position in the mainthread.
_boids[i].transform.position += _boids[i].velocity * Time.deltaTime * speed;
}
}