/// <summary>
/// Finds the part of the box the bullet collided with.
/// </summary>
/// <param name="portalBox">The box the bullet collided with. This box must be able to hold
/// portals.</param>
/// <param name="portal">The portal that will be made.</param>
/// <param name="bulletExists">The bool that says whether the bullet exists.</param>
private void portalMade(Box portalBox, ref Portal portal, ref bool bulletExists)
{
double tempDouble = Collision.TestVertical(this, portalBox);
if (tempDouble == 10)
{ tempDouble = Collision.TestHorizontal(this, portalBox); }
portal.Created(portalBox, tempDouble, ref bulletExists);
}
/// <summary>
/// Instantiates the portal when it is created by a bullet. Instantiates the portal's position,
/// using the box's position and the facing of the portal, the portal's sprite, and then
/// destroys the bullet.
/// </summary>
/// <param name="portalBox">The box that the bullet hit. Must be able to hold portals.</param>
/// <param name="facing">The direction that the portal will be facing, in radians.</param>
/// <param name="bulletExists">The flag for the existence of the bullet.</param>
public void Created(Box portalBox, double facing, ref bool bulletExists)
{
if (facing == 0)
{
sprite = sprites["UP"];
roomX = portalBox.roomX;
roomY = portalBox.roomY + portalBox.sprite.Height - 5;
portalDirection = facing;
}
if (facing == Math.PI)
{
sprite = sprites["DOWN"];
roomX = portalBox.roomX;
roomY = portalBox.roomY - 5;
portalDirection = facing;
}
if (facing == -Math.PI / 2)
{
sprite = sprites["LEFT"];
roomX = portalBox.roomX + portalBox.sprite.Width - 5;
roomY = portalBox.roomY;
portalDirection = -facing;
}
if (facing == Math.PI / 2)
{
sprite = sprites["RIGHT"];
roomX = portalBox.roomX - 5;
roomY = portalBox.roomY;
portalDirection = -facing;
}
exists = true;
bulletExists = false;
if (facing == 10)
{
exists = false;
bulletExists = true;
}
}