public Line SplitLine(Vector3 splitPosition, GameController gameController)
{
/*
* Split the current line into two lines along with a corner.
* The given position is where the line will be split.
* The function will always shorten the current line
* from it's end position and keep it's start position unchanged.
*/
Line newLine = null;
Corner newCorner = null;
/* Check if the given position is on this line, exclusing the corners */
if (PointOnLine(splitPosition, false))
{
/* Create a new line that goes from the given position to the current line's end */
newLine = NewLine(splitPosition.x, splitPosition.y, end.x, end.y);
/* Link the new line to the end corner of this line */
newCorner = endCorner;
newCorner.RemoveLine(this);
newCorner.AddLine(newLine);
/* Reposition the end point of this line to match the new line's starting position */
end = splitPosition;
/* Create a new corner that connects this line with the new line */
newCorner = Corner.NewCorner(splitPosition);
newCorner.AddLine(this);
newCorner.AddLine(newLine);
/* Re-create the vertices that make up the two lines */
newLine.GenerateVertices(gameController);
GenerateVertices(gameController);
/* Add the line and corner to the gameController and it's lineDrawer */
gameController.AddLine(newLine);
gameController.AddCorner(newCorner);
}
if (linkedPlayers.Count > 0)
{
Debug.Log("Split line with players on it");
}
return(newLine);
}
public void NewDrawingLine(OrthogonalDirection direction, bool addCorner)
{
/*
* Put the player onto a new drawing line from their given position. The given
* boolean determines whether we need to create a corner at the player's position.
*/
/* Add a corner to the end of the current line if needed */
if (addCorner)
{
if (currentLine.end.Equals(gamePosition))
{
/* Create the line and attach it to the corner */
Corner newCorner = Corner.NewCorner(gamePosition);
newCorner.AddLine(currentLine);
/* Add the corner to the gameController so it can be rendered */
gameController.AddCorner(newCorner);
}
else
{
Debug.Log("WARNING: Trying to add a corner not on the end of a line");
}
}
/* Create a new line that the player will use to draw. Place the end point of
* the line slightly forward to the line's a direction and not a point */
Line drawLine = Line.NewLine(gamePosition, gamePosition);
/* Once the line is added to the drawing list, change it's end point to move forward
* so that it's no longer a point but a line. This will keep it's visuals unchanged
* so that we cannot see the line but it's treated as such. */
gameController.AddLine(drawLine);
drawLine.end += Corner.DirectionToVector(direction);
/* Link the new line's start corner to the corner's direction side */
GetCorner().LinkLineStart(drawLine, direction);
/* Move the player to the new line */
ChangeCurrentLine(drawLine);
}