/// <summary>
/// Moves the camera thru paths in straight lines from point to point.
/// </summary>
public void InterpolateThruWayPoints(Vector3 targetPosition, Vector3[] waypoints, bool useSmoothStep, GameTime gameTime)
{
_durationElapsed += (float)gameTime.ElapsedGameTime.TotalSeconds;
if (_durationElapsed >= WayPointCycleDurationInTotalSeconds)
{
_durationElapsed -= WayPointCycleDurationInTotalSeconds;
}
var interpolation = _durationElapsed / WayPointCycleDurationInTotalSeconds;
float coeff = 1f / (float)waypoints.Length;
int index = (int)(interpolation / coeff);
int index2 = index + 1;
if (index2 >= waypoints.Length)
{
index2 = 0;
}
float adjustedInterpolator = (interpolation - (coeff * index)) / coeff;
if (useSmoothStep)
{
TransformCamera(Vector3.SmoothStep(waypoints[index], waypoints[index2], adjustedInterpolator), targetPosition, _camUp);
}
else
{
TransformCamera(Vector3.Lerp(waypoints[index], waypoints[index2], adjustedInterpolator), targetPosition, _camUp);
}
}
