| public GetTrackDirection ( float t ) : Vector3 | ||
| t | float | |
| return | Vector3 | |
private void UpdateCalculations(bool initalCalculation)
{
if (target == null)
{
return;
}
Vector3 targetPosition = target.position;
foreach (BoxCollider area in noTrackingAreas)
{
if (area.bounds.Contains(targetPosition))
{
insideIgnore = true;
return;
}
}
if (insideIgnore)
{
insideIgnore = false;
initalCalculation = true;
}
float trackLength = track.trackLength;
float trackSearchPoints = trackLength / 10.0f;
float trackSearchIncrement = 1.0f / trackSearchPoints;
float nearestSqrDistance = Mathf.Infinity;
float newNearestPercent = 0;
Vector3 newNearestPosition = targetPosition;
for (float i = 0; i < 1.0f; i += trackSearchIncrement)
{
Vector3 serachPoint = track.GetTrackPosition(i);
Vector3 searchDifference = serachPoint - targetPosition;
float searchSqrDist = Vector3.SqrMagnitude(searchDifference);
if (searchSqrDist < nearestSqrDistance)
{
nearestSqrDistance = searchSqrDist;
newNearestPercent = i;
newNearestPosition = serachPoint;
}
}
float calculatedDistance = Vector3.Distance(targetPosition, newNearestPosition);
if (calculatedDistance > maxDistance && !initalCalculation)
{
return;
}
float percentAdvance = Mathf.Abs(nearestPercent - newNearestPercent);
if (percentAdvance > 0.1f && percentAdvance < 0.9f && !initalCalculation)
{
ResetTarget();
return;
}
float distanceFromTrack = Vector3.Distance(targetPosition, newNearestPosition);
if (distanceFromTrack > resetDistance)
{
ResetTarget();
return;
}
nearestPercent = newNearestPercent;
nearestPostion = newNearestPosition;
nearestDirection = track.GetTrackDirection(nearestPercent);
}
