/// <summary>
/// Move the camera towards the destination, slowing down while approaching.
/// </summary>
/// <returns></returns>
private IEnumerator NormalLerpPositioning(CameraTarget target, TargetParameters.StaticTargetPositionParameters parameters)
{
while (Vector3.Distance(transform.position, target.transform.position) > parameters.LerpThreshold)
{
transform.position = Vector3.Lerp(transform.position, target.transform.position, parameters.LerpSpeed * Time.deltaTime);
yield return(null);
}
CameraEventSystem.CameraTargetPositionReached(target, parameters);
}
/// <summary>
/// Move the camera towards the destination at constant speed, reaching in the given time.
/// </summary>
/// <returns></returns>
private IEnumerator ConstantLerpPositioning(CameraTarget target, TargetParameters.StaticTargetPositionParameters parameters)
{
float elapsedPositioningLerpTime = 0;
Vector3 startingPosition = transform.position;
float step;
while (elapsedPositioningLerpTime < parameters.Duration)
{
step = elapsedPositioningLerpTime / parameters.Duration;
elapsedPositioningLerpTime += Time.deltaTime;
transform.position = Vector3.Lerp(startingPosition, target.transform.position, step);
yield return(null);
}
CameraEventSystem.CameraTargetPositionReached(target, parameters);
}
/// <summary>
/// Immediately move the camera to match the target position.
/// </summary>
private void ImmediatePositioning(CameraTarget target, TargetParameters.StaticTargetPositionParameters parameters)
{
transform.position = target.transform.position;
CameraEventSystem.CameraTargetPositionReached(target, parameters);
}