void Update()
{
if (!IsRunning)
{
return;
}
// Adjust the cast by the tilt value.
Quaternion adjustmentQuaternion = Quaternion.AngleAxis(_tilt, _source.right);
Vector3 castVector = adjustmentQuaternion * _source.forward;
if (Physics.Raycast(_source.position, castVector, out _surfaceHit, _maxDistance, _hitLayers))
{
// Set the initial values.
Position = _surfaceHit.point;
UpdateAdjustedPosition();
Surface = GetSurfaceType(_surfaceHit.normal);
_fitStatus = GetFitType(Surface);
// Obtain a "perfect" normal since meshed surfaces are not smooth.
_normal = GetPerfectNormal(Surface, _surfaceHit.normal);
ValidateCorners(_surfaceHit);
ValidateVolume();
}
else
{
_fitStatus = FitType.NoSurface;
Surface = SurfaceType.Unknown;
_normal = Vector3.zero;
Position = _source.position + (castVector * _maxDistance);
Rotation = Quaternion.LookRotation(-_source.forward);
}
// Event Notification
if (Fit != _fitStatus)
{
Fit = _fitStatus;
if (OnPlacementEvent != null)
{
OnPlacementEvent.Invoke(_fitStatus);
}
}
}