public Vector3 GetSteering(MovementAIRigidbody target, Vector3 offset, out Vector3 targetPos)
{
Vector3 worldOffsetPos = target.Position + target.Transform.TransformDirection(offset);
//Debug.DrawLine(transform.position, worldOffsetPos);
/* Calculate the distance to the offset point */
Vector3 displacement = worldOffsetPos - transform.position;
float distance = displacement.magnitude;
/* Get the character's speed */
float speed = rb.Velocity.magnitude;
/* Calculate the prediction time */
float prediction;
if (speed <= distance / maxPrediction)
{
prediction = maxPrediction;
}
else
{
prediction = distance / speed;
}
/* Put the target together based on where we think the target will be */
targetPos = worldOffsetPos + target.Velocity * prediction;
return(steeringBasics.Arrive(targetPos));
}
public Vector3 GetSteering(ICollection <MovementAIRigidbody> targets)
{
Vector3 centerOfMass = Vector3.zero;
int count = 0;
/* Sums up everyone's position who is close enough and in front of the character */
foreach (MovementAIRigidbody r in targets)
{
if (steeringBasics.IsFacing(r.Position, facingCosineVal))
{
centerOfMass += r.Position;
count++;
}
}
if (count == 0)
{
return(Vector3.zero);
}
else
{
centerOfMass = centerOfMass / count;
return(steeringBasics.Arrive(centerOfMass));
}
}
void FixedUpdate()
{
Vector3 accel = steeringBasics.Arrive(target.transform.position);
steeringBasics.Steer(accel);
steeringBasics.LookWhereYoureGoing();
}
public Vector3 GetSteering(MovementAIRigidbody target, ICollection <MovementAIRigidbody> obstacles, out Vector3 bestHidingSpot)
{
/* Find the closest hiding spot. */
float distToClostest = Mathf.Infinity;
bestHidingSpot = Vector3.zero;
foreach (MovementAIRigidbody r in obstacles)
{
Vector3 hidingSpot = GetHidingPosition(r, target);
float dist = Vector3.Distance(hidingSpot, transform.position);
if (dist < distToClostest)
{
distToClostest = dist;
bestHidingSpot = hidingSpot;
}
}
/* If no hiding spot is found then just evade the enemy. */
if (distToClostest == Mathf.Infinity)
{
return(evade.GetSteering(target));
}
//Debug.DrawLine(transform.position, bestHidingSpot);
return(steeringBasics.Arrive(bestHidingSpot));
}
public Vector3 GetSteering(LinePath path, bool pathLoop, out Vector3 targetPosition)
{
/* If the path has only one node then just go to that position. */
if (path.Length == 1)
{
targetPosition = path[0];
}
/* Else find the closest spot on the path to the character and go to that instead. */
else
{
/* Get the param for the closest position point on the path given the character's position */
float param = path.GetParam(transform.position, rb);
//Debug.DrawLine(transform.position, path.getPosition(param, pathLoop), Color.red, 0, false);
if (!pathLoop)
{
Vector3 finalDestination;
/* If we are close enough to the final destination then stop moving */
if (IsAtEndOfPath(path, param, out finalDestination))
{
targetPosition = finalDestination;
rb.Velocity = Vector3.zero;
return(Vector3.zero);
}
}
/* Move down the path */
param += pathDirection * pathOffset;
/* Set the target position */
targetPosition = path.GetPosition(param, pathLoop);
//Debug.DrawLine(transform.position, targetPosition, Color.red, 0, false);
}
return(steeringBasics.Arrive(targetPosition));
}
