private bool isValidMove(IntVector2 _testPoint, LineClass _lineIn, bool checkUsedArray)
{
IntVector2 testPointReverse = _lineIn.getReverse(_testPoint);
if (isOutsideGameGrid(_testPoint))
{
return(false);
}
if (isOutsideGameGrid(testPointReverse))
{
return(false);
}
if (isSquareABlocker(_testPoint))
{
return(false);
}
if (isSquareABlocker(testPointReverse))
{
return(false);
}
if (!_lineIn.isValidMove(_testPoint))
{
return(false);
}
if (checkUsedArray)
{
if (usedArray [_testPoint.x, _testPoint.y])
{
return(false);
}
if (usedArray [testPointReverse.x, testPointReverse.y])
{
return(false);
}
}
else
{
for (int i = 0; i < linesList.Count; ++i)
{
if (i != activeLine)
{
if (linesList [i].hitsLine(_testPoint))
{
return(false);
}
if (linesList [i].hitsLine(testPointReverse))
{
return(false);
}
}
}
}
return(true);
}
private LineClass createLine()
{
bool isFreeSpace = false;
IntVector2 linePosition = new IntVector2(0, 0);
do
{
isFreeSpace = true;
linePosition = new IntVector2(Random.Range(0, gameArraySize.x), Random.Range(0, gameArraySize.y));
//Debug.Log ("test line position: " + linePosition.x + ", " + linePosition.y);
foreach (LineClass thisLine in linesList)
{
if (thisLine.hitsLine(linePosition))
{
//Debug.Log ("Point hits another line: " + linePosition.x + ", " + linePosition.y);
isFreeSpace = false;
}
}
} while (!isFreeSpace);
LineClass tempLine = new LineClass(parent, linePosition, gameArraySize, texCircle, texLine,
texDashed, blockPixelSize, screenSize);
usedArray [linePosition.x, linePosition.y] = true;
usedSpaces++;
for (int i = 0; i < 40; ++i)
{
int directionValue = Random.Range(0, 4);
IntVector2 directionPoint = tempLine.getDirectionPoint(directionValue);
if (this.isValidMove(directionPoint, tempLine, true))
{
if (tempLine.goDirection(directionValue, false))
{
// fill in array of used spaces with normal and reverse
usedArray [directionPoint.x, directionPoint.y] = true;
usedSpaces++;
IntVector2 directionPointReverse = tempLine.getReverse(directionPoint);
usedArray [directionPointReverse.x, directionPointReverse.y] = true;
usedSpaces++;
}
else
{
//Debug.Log ("Unable to do direction move here - " + i);
//i--;
i++;
}
}
else
{
//Debug.Log ("Unable to move here - " + i);
//i--;
i++;
}
}
return(tempLine);
}