public Vector2 GetWallCenter(Facing.Direction a_direction, bool a_relative = false)
{
var offset = -Facing.DirectionToVector(a_direction) * WallSize / 2.0f;
float attachPoint = 0.0f;
switch (a_direction)
{
case Facing.Direction.East: attachPoint = Right - (a_relative ? transform.position.x : 0.0f); break;
case Facing.Direction.North: attachPoint = Top - (a_relative ? transform.position.y : 0.0f); break;
case Facing.Direction.South: attachPoint = Bottom - (a_relative ? transform.position.y : 0.0f); break;
case Facing.Direction.West: attachPoint = Left - (a_relative ? transform.position.x : 0.0f); break;
}
if (!Facing.IsVertical(a_direction))
{
return(new Vector2(attachPoint + offset.x, 0.0f));
}
return(new Vector2(0.0f, attachPoint + offset.y));
}
private Vector2 ClampDirection(Vector2 a_directionVec)
{
var clampedVec = a_directionVec.normalized;
if (Mathf.Abs(clampedVec.magnitude) < Mathf.Epsilon)
{
return(clampedVec);
}
if (m_clampMode == ClampMode.Direction)
{
switch (m_clampDirection)
{
case Facing.Direction.East:
if (clampedVec.x > 0)
{
return(Vector2.right);
}
break;
case Facing.Direction.North:
if (clampedVec.y > 0)
{
return(Vector2.up);
}
break;
case Facing.Direction.Northeast:
if (clampedVec.x > 0 && clampedVec.y > 0)
{
return(Vector2.right + Vector2.up);
}
break;
case Facing.Direction.Northwest:
if (clampedVec.x < 0 && clampedVec.y > 0)
{
return(Vector2.left + Vector2.up);
}
break;
case Facing.Direction.South:
if (clampedVec.y < 0)
{
return(Vector2.down);
}
break;
case Facing.Direction.Southeast:
if (clampedVec.x > 0 && clampedVec.y < 0)
{
return(Vector2.right + Vector2.down);
}
break;
case Facing.Direction.Southwest:
if (clampedVec.x < 0 && clampedVec.y < 0)
{
return(Vector2.left + Vector2.down);
}
break;
case Facing.Direction.West:
if (clampedVec.x < 0)
{
return(Vector2.left);
}
break;
}
return(Vector2.zero);
}
else if (m_clampMode == ClampMode.Horizontal)
{
if (clampedVec.x > 0)
{
return(Facing.DirectionToVector(Facing.Direction.East));
}
else if (clampedVec.x < 0)
{
return(Facing.DirectionToVector(Facing.Direction.West));
}
return(Vector2.zero);
}
else if (m_clampMode == ClampMode.Vertical)
{
if (clampedVec.y > 0)
{
return(Facing.DirectionToVector(Facing.Direction.North));
}
else if (clampedVec.y < 0)
{
return(Facing.DirectionToVector(Facing.Direction.South));
}
return(Vector2.zero);
}
else if (m_clampMode == ClampMode.Cardinal)
{
var dir = clampedVec.ToDirection(true);
return(Facing.DirectionToVector(dir));
}
else if (m_clampMode == ClampMode.PrimaryIntercardinal)
{
var dir = clampedVec.ToDirection();
return(Facing.DirectionToVector(dir));
}
return(clampedVec);
}