public override void Update(int milliseconds)
{
switch (State)
{
case DestroyerState.Create:
{
if (!animationManager.Play(AnimationState.Create, milliseconds))
{
State = DestroyerState.Move;
}
break;
}
case DestroyerState.Destroy:
{
if (!animationManager.Play(AnimationState.Destroy, milliseconds))
{
State = DestroyerState.Empty;
animationManager.Stop();
}
break;
}
case DestroyerState.Move:
{
animationManager.Play(AnimationState.Idle, milliseconds);
if (movePositions.Count == 0)
{
State = DestroyerState.Destroy;
}
else
{
PositionOnScreen += movePositions.Dequeue();
}
break;
}
case DestroyerState.Empty:
{
// To do nothing.
break;
}
}
}
public void Move(Vector2 start, Vector2 end)
{
State = DestroyerState.Create;
var windthIndentInsideCell = (Matrix.CellSize - animationManager.Size * Scale) / 2;
var heightIndentInsideCell = (Matrix.CellSize - animationManager.Size * Scale) / 2;
start += new Vector2(windthIndentInsideCell, heightIndentInsideCell);
end += new Vector2(windthIndentInsideCell, heightIndentInsideCell);
PositionOnScreen = start;
float[] positions;
Vector2 diffeneceVec = start - end;
if (diffeneceVec != Vector2.Zero)
{
if ((Math.Abs(diffeneceVec.X) > Math.Abs(diffeneceVec.Y)))
{
// Horizontal.
positions = FillMoveQueue(distance: (int)Math.Abs(diffeneceVec.X));
if (diffeneceVec.X > 0)
{
// Left.
for (int i = 0; i < positions.Count(); i++)
{
movePositions.Enqueue(new Vector2(positions[i] * (-1), 0));
}
}
else
{
// Right.
for (int i = 0; i < positions.Count(); i++)
{
movePositions.Enqueue(new Vector2(positions[i], 0));
}
}
}
else
{
// Vertical
positions = FillMoveQueue(distance: (int)Math.Abs(diffeneceVec.Y));
if (diffeneceVec.Y > 0)
{
// Down.
for (int i = 0; i < positions.Count(); i++)
{
movePositions.Enqueue(new Vector2(0, positions[i] * (-1)));
}
}
else
{
// Up.
for (int i = 0; i < positions.Count(); i++)
{
movePositions.Enqueue(new Vector2(0, positions[i]));
}
}
}
}
}
