/* Called by the physics engine. Update loop.
*/
void FixedUpdate()
{
// Note: this doesn't conflict with adding boids at runtime because everything executes in one frame
foreach (GameObject vehicle in boids)
{
Boid boid = vehicle.GetComponent <Boid>();
Rigidbody body = boid.GetComponent <Rigidbody>();
if (alignmentEnabled)
{
body.AddForce(boid.Align() * alignmentWeight);
}
if (separationEnabled)
{
body.AddForce(boid.Separate() * separationWeight);
}
if (cohesionEnabled)
{
body.AddForce(boid.Cohere() * cohesionWeight);
}
if (seekEnabled)
{
Ray ray = camera.ScreenPointToRay(Input.mousePosition);
RaycastHit hit;
// If the camera is pointing somewhere on the floor
if (Physics.Raycast(ray, out hit))
{
body.AddForce(boid.Seek(hit.point) * seekWeight);
}
}
if (wanderEnabled)
{
body.AddForce(boid.Wander() * wanderWeight);
}
}
}