/// <summary>
/// Move the piece in the direction given
/// </summary>
/// <param name="dir">The direction the piece will move</param>
/// <returns></returns>
private bool MovePiece(Vector2 dir)
{
//Get the new position the piece will be
Vector2 newPos = gridPos + dir;
//Test if the new position is in the play area
if (field.InBounds(newPos))
{
//Make sure there isn't anything in the new position
if (field.gameObjects[newPos] == null)
{
//Set the current position to have nothing there
field.gameObjects[gridPos] = null;
//Set the new position and occupy the new space
gridPos = newPos;
field.gameObjects[gridPos] = gameObject;
return(true);
}
}
return(false);
}
/// <summary>
/// Rotate the pill in a 2*2 square
/// </summary>
/// <param name="direction">The direction the pill will rotate</param>
/// <returns></returns>
private bool RotatePill(int direction)
{
//Get the next rotation the pill will be at
int localRot = ((rotation + 360) + 90 * direction) % 360;
//The new position for the pill
Vector2 newPos1 = gridPos1;
Vector2 newPos2 = gridPos2;
if (direction > 0)
{
//Set the new position based on the rotation
switch (localRot)
{
case 0:
newPos2 += new Vector2(1, 1);
break;
case 90:
newPos1 -= new Vector2(0, 1);
newPos2 -= new Vector2(1, 0);
break;
case 180:
newPos1 += new Vector2(1, 1);
break;
case 270:
newPos1 -= new Vector2(1, 0);
newPos2 -= new Vector2(0, 1);
break;
}
}
else
{
switch (localRot)
{
case 0:
newPos1 += new Vector2(0, 1);
newPos2 += new Vector2(1, 0);
break;
case 90:
newPos1 -= new Vector2(1, 1);
break;
case 180:
newPos1 += new Vector2(1, 0);
newPos2 += new Vector2(0, 1);
break;
case 270:
newPos2 -= new Vector2(1, 1);
break;
}
}
if (Mathf.Abs(direction) == 2)
{
Vector2 oldPos = gridPos1;
newPos1 = gridPos2;
newPos2 = oldPos;
localRot = rotation + 180;
}
//Test if the movement will be in bounds
if (field.InBounds(newPos1) &&
field.InBounds(newPos2))
{
//Make sure there isn't an object in the new position
if ((field.gameObjects[newPos1] == null ||
field.gameObjects[newPos1] == gameObject) &&
(field.gameObjects[newPos2] == null ||
field.gameObjects[newPos2] == gameObject))
{
//Rotate the pill
rotation += (90 * direction);
rotation %= 360;
transform.localRotation = Quaternion.Euler(new Vector3(0, 0, -rotation));
//Remove the pill from the current position
field.gameObjects[gridPos1] = null;
field.gameObjects[gridPos2] = null;
//Change the position of the pill
gridPos1 = newPos1;
gridPos2 = newPos2;
//Set the new occupation of the pill
field.gameObjects[gridPos1] = gameObject;
field.gameObjects[gridPos2] = gameObject;
return(true);
}
}
return(false);
}
