private SpinningMissle(Spell castedSpell,
Vector2D position,
Vector2D direction,
TimeSpan timeCasted)
: base(castedSpell, position,
direction, timeCasted)
{
_spinningMissleState = SpinningMissleState.None;
}
public override void UpdatePosition()
{
base.UpdatePosition();
var wasNone = _spinningMissleState == SpinningMissleState.None;
_spinningMissleState = _spinningMissleState.GetNextMissleState();
if(!wasNone)
Position -= GetPreviousSpinningDirection();
Position += GetNextSpinningDirection();
}
private Vector2D GetNextSpinningDirection(SpinningMissleState state)
{
switch (state)
{
case SpinningMissleState.Top:
return new Vector2D(0, 1);
case SpinningMissleState.Right:
return new Vector2D(1, 0);
case SpinningMissleState.Bottom:
return new Vector2D(0, -1);
case SpinningMissleState.Left:
return new Vector2D(-1, 0);
case SpinningMissleState.None:
return new Vector2D(0, 0);
default:
throw new ArgumentOutOfRangeException();
}
}
public SpinningMissle(Missle copyMissle)
: base(copyMissle)
{
_spinningMissleState = SpinningMissleState.None;
}