private bool HandleCollision(Bomb other)
{
bool moving1 = IsMoving();
bool moving2 = other.IsMoving();
Debug.Assert(moving1 || moving2);
if (moving1 && moving2)
{
if (direction == Util.Opposite(other.direction)) // moving in opposite directions
{
bool backBlocked1 = HasJellyBlockingObstacle(Util.Opposite(direction));
bool backBlocked2 = other.HasJellyBlockingObstacle(Util.Opposite(other.direction));
bool cell2cell = CheckCell2CellCollision(other);
bool bounds2cell = CheckBounds2CellCollision(other);
bool cell2bounds = CheckCell2BoundsCollision(other);
bool bounds2bounds = CheckBounds2BoundsCollision(other);
if (backBlocked1 && backBlocked2)
{
if (cell2cell)
{
switch (direction)
{
case Direction.LEFT:
case Direction.RIGHT:
{
float shift = 0.5f * OverlapX(other);
MoveBackX(shift);
other.MoveBackX(shift);
break;
}
case Direction.UP:
case Direction.DOWN:
{
float shift = 0.5f * OverlapY(other);
MoveBackY(shift);
other.MoveBackY(shift);
break;
}
}
}
}
else if (backBlocked1)
{
if (bounds2cell)
{
HandleObstacleCollistion(other);
if (bounds2bounds)
{
other.HandleObstacleCollistion(this);
}
return true;
}
}
else if (backBlocked2)
{
if (cell2bounds)
{
other.HandleObstacleCollistion(this);
if (bounds2bounds)
{
HandleObstacleCollistion(other);
}
return true;
}
}
else
{
if (!bounds2bounds)
{
return false;
}
}
HandleObstacleCollistion(other);
other.HandleObstacleCollistion(this);
return true;
}
else if (direction == other.direction)
{
if (IsMovingTowards(other))
{
HandleObstacleCollistion(other);
return true;
}
other.HandleObstacleCollistion(this);
return true;
}
else // perpendicular directions
{
if (CheckBounds2CellCollision(other))
{
if (IsMovingTowards(other))
{
HandleObstacleCollistion(other);
return true;
}
}
else if (other.CheckBounds2CellCollision(this))
{
if (other.IsMovingTowards(this))
{
other.HandleObstacleCollistion(this);
return true;
}
}
if (CheckBounds2BoundsCollision(this))
{
if (IsMovingTowards(other))
{
HandleObstacleCollistion(other);
return true;
}
if (other.IsMovingTowards(this))
{
other.HandleObstacleCollistion(this);
return true;
}
}
}
return false;
}
if (moving1)
{
if (IsMovingTowards(other))
{
return HandleObstacleCollistion(other);
}
return false;
}
if (moving2)
{
if (other.IsMovingTowards(this))
{
return other.HandleObstacleCollistion(this);
}
return false;
}
return false;
}
private bool HandleCollision(Bomb other)
{
bool moving1 = IsMoving();
bool moving2 = other.IsMoving();
Debug.Assert(moving1 || moving2);
if (moving1 && moving2)
{
if (direction == Util.Opposite(other.direction)) // moving in opposite directions
{
bool backBlocked1 = HasJellyBlockingObstacle(Util.Opposite(direction));
bool backBlocked2 = other.HasJellyBlockingObstacle(Util.Opposite(other.direction));
bool cell2cell = CheckCell2CellCollision(other);
bool bounds2cell = CheckBounds2CellCollision(other);
bool cell2bounds = CheckCell2BoundsCollision(other);
bool bounds2bounds = CheckBounds2BoundsCollision(other);
if (backBlocked1 && backBlocked2)
{
if (cell2cell)
{
switch (direction)
{
case Direction.LEFT:
case Direction.RIGHT:
{
float shift = 0.5f * OverlapX(other);
MoveBackX(shift);
other.MoveBackX(shift);
break;
}
case Direction.UP:
case Direction.DOWN:
{
float shift = 0.5f * OverlapY(other);
MoveBackY(shift);
other.MoveBackY(shift);
break;
}
}
}
}
else if (backBlocked1)
{
if (bounds2cell)
{
HandleObstacleCollistion(other);
if (bounds2bounds)
{
other.HandleObstacleCollistion(this);
}
return(true);
}
}
else if (backBlocked2)
{
if (cell2bounds)
{
other.HandleObstacleCollistion(this);
if (bounds2bounds)
{
HandleObstacleCollistion(other);
}
return(true);
}
}
else
{
if (!bounds2bounds)
{
return(false);
}
}
HandleObstacleCollistion(other);
other.HandleObstacleCollistion(this);
return(true);
}
else if (direction == other.direction)
{
if (IsMovingTowards(other))
{
HandleObstacleCollistion(other);
return(true);
}
other.HandleObstacleCollistion(this);
return(true);
}
else // perpendicular directions
{
if (CheckBounds2CellCollision(other))
{
if (IsMovingTowards(other))
{
HandleObstacleCollistion(other);
return(true);
}
}
else if (other.CheckBounds2CellCollision(this))
{
if (other.IsMovingTowards(this))
{
other.HandleObstacleCollistion(this);
return(true);
}
}
if (CheckBounds2BoundsCollision(this))
{
if (IsMovingTowards(other))
{
HandleObstacleCollistion(other);
return(true);
}
if (other.IsMovingTowards(this))
{
other.HandleObstacleCollistion(this);
return(true);
}
}
}
return(false);
}
if (moving1)
{
if (IsMovingTowards(other))
{
return(HandleObstacleCollistion(other));
}
return(false);
}
if (moving2)
{
if (other.IsMovingTowards(this))
{
return(other.HandleObstacleCollistion(this));
}
return(false);
}
return(false);
}
