// returns success if any object is within distance of the current object. Otherwise it will return failure
public override TaskStatus OnUpdate()
{
if (transform == null || objects == null)
{
return(TaskStatus.Failure);
}
if (overlapCast)
{
objects.Clear();
if (usePhysics2D)
{
if (overlap2DColliders == null)
{
overlap2DColliders = new Collider2D[maxCollisionCount];
}
var count = Physics2D.OverlapCircleNonAlloc(transform.position, magnitude.Value, overlap2DColliders, objectLayerMask.value);
for (int i = 0; i < count; ++i)
{
objects.Add(overlap2DColliders[i].gameObject);
}
}
else
{
if (overlapColliders == null)
{
overlapColliders = new Collider[maxCollisionCount];
}
var count = Physics.OverlapSphereNonAlloc(transform.position, magnitude.Value, overlapColliders, objectLayerMask.value);
for (int i = 0; i < count; ++i)
{
objects.Add(overlapColliders[i].gameObject);
}
}
}
Vector3 direction;
// check each object. All it takes is one object to be able to return success
for (int i = 0; i < objects.Count; ++i)
{
if (objects[i] == null || objects[i] == gameObject)
{
continue;
}
direction = objects[i].transform.position - (transform.position + offset.Value);
// check to see if the square magnitude is less than what is specified
if (Vector3.SqrMagnitude(direction) < sqrMagnitude)
{
// the magnitude is less. If lineOfSight is true do one more check
if (lineOfSight.Value)
{
var hitTransform = MovementUtility.LineOfSight(transform, offset.Value, objects[i], targetOffset.Value, usePhysics2D, ignoreLayerMask.value, drawDebugRay.Value);
if (hitTransform != null && MovementUtility.IsAncestor(hitTransform, objects[i].transform))
{
// the object has a magnitude less than the specified magnitude and is within sight. Set the object and return success
returnedObject.Value = objects[i];
return(TaskStatus.Success);
}
}
else
{
// the object has a magnitude less than the specified magnitude. Set the object and return success
returnedObject.Value = objects[i];
return(TaskStatus.Success);
}
}
}
// no objects are within distance. Return failure
return(TaskStatus.Failure);
}