public Vector2 UpdateBoid(List <Boid> allBoids)
{
if (hasPath)
{
return(Vector2.zero);
}
var sum = Vector2.zero;
var count = 0;
foreach (var boid in allBoids)
{
if (boid.gameObject == gameObject)
{
continue;
}
var diff = rBody.position - boid.RBody.position;
var distance = diff.magnitude;
if (distance > 0 && distance < boid.AlignCircle)
{
sum += boid.RBody.position;
count += 1;
}
}
if (count > 0)
{
sum /= count;
return(TargetBoid.Steer(sum, rBody, 10, boid) * boid.CohesionMultiplier);
}
return(Vector2.zero);
}
public Vector2 UpdateBoid(List <Boid> allBoids)
{
var pointInFuture = rBody.position + rBody.velocity.normalized * distanceForward;
var randomCircle = Random.insideUnitCircle;
var target = pointInFuture + randomCircle * radius;
return(TargetBoid.Steer(target, rBody, 10, boid));
}
public Vector2 UpdateBoid(List <Boid> allBoids)
{
path = boid.Path;
if (path == null)
{
return(Vector2.zero);
}
var positions = path.positions.Select(p => p.position).ToList();
var worldRecord = float.PositiveInfinity;
var pos = rBody.position + rBody.velocity.normalized * pathPredict;
Vector3 normal = Vector3.zero;
Vector3 target = Vector3.zero;
for (int i = 0; i < positions.Count; i++)
{
var a = positions[i];
var b = positions[(i + 1) % positions.Count]; // wrap around
var normalPoint = GetNormalPoint(pos, a, b);
var dir = b - a;
if (normalPoint.x < Mathf.Min(a.x, b.x) ||
normalPoint.x > Mathf.Max(a.x, b.x) ||
normalPoint.y < Mathf.Min(a.y, b.y) ||
normalPoint.y > Mathf.Max(a.y, b.y))
{
normalPoint = b;
a = positions[(i + 1) % positions.Count];
b = positions[(i + 2) % positions.Count];
dir = b - a;
}
var d = Vector3.Distance(pos, normalPoint);
if (d < worldRecord)
{
worldRecord = d;
normal = normalPoint;
dir = dir.normalized * pathPredict;
target = normal;
target += dir;
}
}
if (worldRecord > path.radius)
{
return(TargetBoid.Steer(target, rBody, 0, boid) * boid.PathMultiplier);
}
return(Vector2.zero);
}