private bool UpdateTriangles(Triangle tRight, Triangle tLeft, Section commonSection, List <Triangle> tmpResult, Graphics g = null, Pen linePen = null, Pen pointPen = null, Pen newLinePen = null, int formHeigth = 0, int delay = 0)
{
Point leftExcessPoint = Triangulation.getExcessPoint(tLeft, commonSection);
Point rightExcessPoint = Triangulation.getExcessPoint(tRight, commonSection);
if (commonSection.countAnglesSum(leftExcessPoint) + commonSection.countAnglesSum(rightExcessPoint) < 180)
{
Point up = commonSection.A;
Point down = commonSection.B;
if (new Vector(down, rightExcessPoint).getVectorMultiplication(new Vector(down, leftExcessPoint)) < 0)
{
up = commonSection.B;
down = commonSection.A;
}
tmpResult.Remove(tLeft);
tmpResult.Remove(tRight);
Triangle toAddFirst = new Triangle(leftExcessPoint, down, rightExcessPoint);
Triangle toAddSecond = new Triangle(rightExcessPoint, up, leftExcessPoint);
tmpResult.Add(toAddFirst);
tmpResult.Add(toAddSecond);
if (g != null)
{
g.DrawLine(new Pen(Color.White, 2), (int)commonSection.A.X, formHeigth - (int)commonSection.A.Y,
(int)commonSection.B.X, formHeigth - (int)commonSection.B.Y);
g.DrawLine(newLinePen, (int)leftExcessPoint.X, formHeigth - (int)leftExcessPoint.Y, (int)rightExcessPoint.X, formHeigth - (int)rightExcessPoint.Y);
Thread.Sleep(delay);
g.DrawLine(new Pen(Color.White, 2), (int)leftExcessPoint.X, formHeigth - (int)leftExcessPoint.Y, (int)rightExcessPoint.X, formHeigth - (int)rightExcessPoint.Y);
g.DrawLine(linePen, (int)leftExcessPoint.X, formHeigth - (int)leftExcessPoint.Y, (int)rightExcessPoint.X, formHeigth - (int)rightExcessPoint.Y);
toAddFirst.Paint(g, linePen, pointPen, formHeigth);
toAddSecond.Paint(g, linePen, pointPen, formHeigth);
}
return(true);
}
return(false);
}
