public override GlPointR2[] getIntersection(GlPolygon POLY)
{
List <GlPointR2> Intersections = new List <GlPointR2>();
GlLineR2 fCurLine = new GlLineR2(this[this.CountOfPoints - 1], new GlVectorR2(this[0].X - this[this.CountOfPoints - 1].X, this[0].Y - this[this.CountOfPoints - 1].Y));
GlPointR2[] faultInter = fCurLine.getIntersection(POLY);
foreach (GlPointR2 j in faultInter)
{
if (new GlLineSegment(this[this.CountOfPoints - 1], this[0]).isPointBelongs(j))
{
Intersections.Add(j);
}
}
for (int i = 0; i < this.CountOfPoints - 1; i++)
{
fCurLine = new GlLineR2(this[i], new GlVectorR2(this[i + 1].X - this[i].X, this[i + 1].Y - this[i].Y));
faultInter = fCurLine.getIntersection(POLY);
foreach (GlPointR2 j in faultInter)
{
if (new GlLineSegment(this[i], this[i + 1]).isPointBelongs(j))
{
Intersections.Add(j);
}
}
}
return(Intersections.ToArray());
}
//////////////TRANSFORM_METHODS////////////////
///////////////////////////////////////////////
/////////////INTERSECTION_METHODS//////////////
/// <summary>
/// Determines the intersection of a point and a line
/// </summary>
/// <returns>An array containing a copy of given point if it belongs to the line</returns>
public override GlPointR2[] getIntersection(GlLineR2 L)
{
return(L == null ? new GlPointR2[] { } : L.getIntersection(this));
}