/// <summary>
/// checks the direction of the swipe
/// </summary>
/// <param name="pos"> last position of the finger when the function is called </param>
/// <returns></returns>
private SwipeDIrection CheckInputDirection(Vector3 pos)
{
Vector3 dir = pos - startSwipePos;
float positiveX = Mathf.Abs(dir.x);
float positiveZ = Mathf.Abs(dir.y);
if (positiveX > positiveZ)
{
swipeDir = (dir.x > 0) ? SwipeDIrection.Right : SwipeDIrection.Left;
}
else
{
swipeDir = (dir.y > 0) ? SwipeDIrection.Up : SwipeDIrection.Down;
}
return(swipeDir);
}
/// <summary>
/// given a direction, returns the ID of a neighbour Ingredient of selectedIngredient
/// </summary>
/// <param name="dir"></param>
/// <returns></returns>
public int GetTargetIngredient(SwipeDIrection dir)
{
if (selectedIngredient != null)
{
int x = -1, y = -1;
//find the index of the destination ingredient
switch (dir)
{
case SwipeDIrection.Up:
if (selectedIngredient.YIndex < boardHeight)
{
x = selectedIngredient.XIndex;
y = selectedIngredient.YIndex + 1;
}
else
{
ResetIngredients();
return(-1);
}
break;
case SwipeDIrection.Down:
if (selectedIngredient.YIndex > 0)
{
x = selectedIngredient.XIndex;
y = selectedIngredient.YIndex - 1;
}
else
{
ResetIngredients();
return(-1);
}
break;
case SwipeDIrection.Right:
if (selectedIngredient.XIndex < boardLength)
{
x = selectedIngredient.XIndex + 1;
y = selectedIngredient.YIndex;
}
else
{
ResetIngredients();
return(-1);
}
break;
case SwipeDIrection.Left:
if (selectedIngredient.XIndex > 0)
{
x = selectedIngredient.XIndex - 1;
y = selectedIngredient.YIndex;
}
else
{
ResetIngredients();
return(-1);
}
break;
default:
ResetIngredients();
break;
}
targetIngredient = logicMatrix[x, y];
return(targetIngredient.ActualID);
}
else
{
ResetIngredients();
return(-1);
}
}
