// Check whether given two line intersects
bool LinesIntersect(customLine line1, customLine line2)
{
return((Mathf.Max(line1.StartPoint.x, line1.EndPoint.x) >= Mathf.Min(line2.StartPoint.x, line2.EndPoint.x)) &&
(Mathf.Max(line2.StartPoint.x, line2.EndPoint.x) >= Mathf.Min(line1.StartPoint.x, line1.EndPoint.x)) &&
(Mathf.Max(line1.StartPoint.y, line1.EndPoint.y) >= Mathf.Min(line2.StartPoint.y, line2.EndPoint.y)) &&
(Mathf.Max(line2.StartPoint.y, line2.EndPoint.y) >= Mathf.Min(line1.StartPoint.y, line1.EndPoint.y)));
}
bool Collides()
{
if (pointsList.Count < 3)
{
return(false);
}
int TotalLines = pointsList.Count - 1;
customLine [] lines = new customLine [TotalLines];
// Fill lines array with past lines
for (int i = 0; i < TotalLines; i++)
{
lines [i].StartPoint = pointsList [i];
lines [i].EndPoint = pointsList [i + 1];
}
// Check the currentLine against every past line
for (int i = 0; i < TotalLines - 2; i++)
{
customLine currentLine;
currentLine.StartPoint = pointsList [pointsList.Count - 2];
currentLine.EndPoint = pointsList [pointsList.Count - 1];
if (LinesIntersect(lines [i], currentLine))
{
return(true);
}
}
return(false);
}
