/// <summary>
/// Returns an effect appropriate to the supplied vector which either does
/// nothing or flips the beekeeper horizontally.
/// </summary>
/// <param name="movementDirection">A vector depicting the beekeeper's
/// movement.</param>
/// <returns>A sprite effect that should be applied to the beekeeper.</returns>
private SpriteEffects GetSpriteEffect(Vector2 movementDirection)
{
// Checks if the user input is in the thumb stick area
if (VirtualThumbsticks.LeftThumbstickCenter.HasValue &&
ThumbStickArea.Contains((int)VirtualThumbsticks.LeftThumbstickCenter.Value.X,
(int)VirtualThumbsticks.LeftThumbstickCenter.Value.Y))
{
// If beekeeper is facing left
if (movementDirection.X < 0)
{
lastEffect = SpriteEffects.FlipHorizontally;
}
else if (movementDirection.X > 0)
{
lastEffect = SpriteEffects.None;
}
}
return(lastEffect);
}
/// <summary>
/// Returns movement information according to the current virtual thumbstick input.
/// </summary>
/// <param name="tempDirection">Enum describing the inpot direction.</param>
/// <param name="smokeAjustment">Adjustment to smoke position according to input direction.</param>
private void DetermineDirection(ref WalkingDirection tempDirection, ref Vector2 smokeAjustment)
{
if (!VirtualThumbsticks.LeftThumbstickCenter.HasValue)
{
return;
}
Rectangle touchPointRectangle = new Rectangle((int)VirtualThumbsticks.LeftThumbstickCenter.Value.X,
(int)VirtualThumbsticks.LeftThumbstickCenter.Value.Y, 1, 1);
if (ThumbStickArea.Intersects(touchPointRectangle))
{
if (Math.Abs(VirtualThumbsticks.LeftThumbstick.X) > Math.Abs(VirtualThumbsticks.LeftThumbstick.Y))
{
DetermineDirectionDominantX(ref tempDirection, ref smokeAjustment);
}
else
{
DetermineDirectionDominantY(ref tempDirection, ref smokeAjustment);
}
}
}
