/// <summary>
/// Will return true if the character is at the end of the given path
/// </summary>
public bool IsAtEndOfPath(LinePath path)
{
/* If the path has only one node then just check the distance to that node. */
if (path.Length == 1)
{
Vector3 endPos = rb.ConvertVector(path[0]);
return(Vector3.Distance(rb.Position, endPos) < stopRadius);
}
/* Else see if the character is at the end of the path. */
else
{
Vector3 finalDestination;
/* Get the param for the closest position point on the path given the character's position */
float param = path.GetParam(transform.position, rb);
return(IsAtEndOfPath(path, param, out finalDestination));
}
}
bool IsAtEndOfPath(LinePath path, float param, out Vector3 finalDestination)
{
bool result;
/* Find the final destination of the character on this path */
finalDestination = (pathDirection > 0) ? path[path.Length - 1] : path[0];
finalDestination = rb.ConvertVector(finalDestination);
/* If the param is closest to the last segment then check if we are at the final destination */
if (param >= path.distances[path.Length - 2])
{
result = Vector3.Distance(rb.Position, finalDestination) < stopRadius;
}
/* Else we are not at the end of the path */
else
{
result = false;
}
return(result);
}
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));
}
public Vector3 GetSteering(LinePath path, bool pathLoop)
{
Vector3 targetPosition;
return(GetSteering(path, pathLoop, out targetPosition));
}
public Vector3 GetSteering(LinePath path)
{
return(GetSteering(path, false));
}
