public static Collision2DSideTypeMultiplayer OppositeMultiplayer(this Collision2DSideTypeMultiplayer sideType)
{
Collision2DSideTypeMultiplayer opposite;
if (sideType == Collision2DSideTypeMultiplayer.Left)
{
opposite = Collision2DSideTypeMultiplayer.Right;
}
else if (sideType == Collision2DSideTypeMultiplayer.Right)
{
opposite = Collision2DSideTypeMultiplayer.Left;
}
else if (sideType == Collision2DSideTypeMultiplayer.Top)
{
opposite = Collision2DSideTypeMultiplayer.Bottom;
}
else if (sideType == Collision2DSideTypeMultiplayer.Bottom)
{
opposite = Collision2DSideTypeMultiplayer.Top;
}
else
{
opposite = Collision2DSideTypeMultiplayer.None;
}
return(opposite);
}
/// <summary>
/// Finds which edge collision occured on and moves child object with parent
/// </summary>
/// <param name="collision">Collision2D</param>
private void OnCollisionEnter2D(Collision2D collision)
{
if (collision.collider.CompareTag("player 2"))
{
Collision2DSideTypeMultiplayer collisionSide = collision.GetContactSideMultiplayer();
if (collisionSide == Collision2DSideTypeMultiplayer.Top)
{
collision.collider.transform.SetParent(transform);
}
}
}
public static Collision2DSideTypeMultiplayer GetContactSideMultiplayer(Vector2 max, Vector2 center, Vector2 contact)
{
Collision2DSideTypeMultiplayer side = Collision2DSideTypeMultiplayer.None;
float diagonalAngle = Mathf.Atan2(max.y - center.y, max.x - center.x) * 180 / Mathf.PI;
float contactAngle = Mathf.Atan2(contact.y - center.y, contact.x - center.x) * 180 / Mathf.PI;
if (contactAngle < 0)
{
contactAngle = 360 + contactAngle;
}
if (diagonalAngle < 0)
{
diagonalAngle = 360 + diagonalAngle;
}
if (
((contactAngle >= 360 - diagonalAngle) && (contactAngle <= 360)) ||
((contactAngle <= diagonalAngle) && (contactAngle >= 0))
)
{
side = Collision2DSideTypeMultiplayer.Right;
}
else if (
((contactAngle >= 180 - diagonalAngle) && (contactAngle <= 180)) ||
((contactAngle >= 180) && (contactAngle <= 180 + diagonalAngle))
)
{
side = Collision2DSideTypeMultiplayer.Left;
}
else if (
((contactAngle >= diagonalAngle) && (contactAngle <= 90)) ||
((contactAngle >= 90) && (contactAngle <= 180 - diagonalAngle))
)
{
side = Collision2DSideTypeMultiplayer.Top;
}
else if (
((contactAngle >= 180 + diagonalAngle) && (contactAngle <= 270)) ||
((contactAngle >= 270) && (contactAngle <= 360 - diagonalAngle))
)
{
side = Collision2DSideTypeMultiplayer.Bottom;
}
return(side.OppositeMultiplayer());
}
