public bool containsWithinRange(ColoredPoint point)
{
foreach (ColoredPoint coloredPoint in this.vertices)
{
if(point.withinRoot(coloredPoint))
{
return true;
}
}
return false;
}
public bool AddVertexFromMouseClick(ColoredPoint vertex)
{
Triangulation triangulation = new Triangulation();
if (this.closed == true) return false;
if (!containsWithinRange(vertex))
{
if (this.vertices.Count == 0 ||
triangulation.noIntersection(this.vertices[0].point.X, this.vertices[0].point.Y, vertex.point.X, vertex.point.Y, this))
{
vertex.index = this.vertices.Count;
this.vertices.Add(vertex);
OnPropertyChanged("vertices");
return true;
}
else
{
return false;
}
}
else
{
//if we click on the first point, then we are closing the polygon
if (vertex.withinRoot(this.vertices[0]))
{
this.closed = true;
OnPropertyChanged("vertices");
return true;
}
else
{
return false;
}
}
}