public MoveCamera(Camera camera, MovementTime time, Vector3 toPosition, Func<Vector3> toLookAt)
: base(camera)
{
_path = new[] {Camera.Position, toPosition};
EndTime = !time.UnitsPerSecond
? time.Time
: (0.1f + pathLength())/time.Time;
_toLookAt = toLookAt;
}
public MoveCameraYaw(Camera camera, MovementTime time, Vector3 toPosition, Vector3 toLookAt)
: base(camera)
{
_fromPosition = camera.Position;
_fromYaw = camera.Yaw;
_fromPitch = camera.Pitch;
_toPosition = toPosition;
_toYaw = (float) Math.Atan2(toPosition.X - toLookAt.X, toPosition.Z - toLookAt.Z);
_toPitch = -(float)Math.Asin((_toPosition.Y - toLookAt.Y) / Vector3.Distance(_toPosition, toLookAt));
var angle = _fromYaw - _toYaw;
if (angle > MathUtil.Pi)
_fromYaw -= MathUtil.TwoPi;
else if (angle < -MathUtil.Pi)
_fromYaw += MathUtil.TwoPi;
EndTime = time.GetTotalTime(Vector3.Distance(_fromPosition, _toPosition));
}
