Example #1
0
        void PerpendicularBisectorFromLine(VtPoint p, VtPoint q, ref float a, ref float b, ref float c)
        {
            VtPoint mid_point = new VtPoint((p.X + q.X) / 2f, (p.Y + q.Y) / 2f);

            c = -b * (mid_point.X) + a * (mid_point.Y);// c = -bx + ay
            float temp = a;

            a = -b;
            b = temp;
        }
Example #2
0
 public VtTriangle(VtPoint pointA, VtPoint pointB, VtPoint pointC)
 {
     A  = pointA;
     B  = pointB;
     C  = pointC;
     AB = new VtEdge(A, B);
     AC = new VtEdge(A, C);
     BC = new VtEdge(B, C);
     CalcCircumCenter();
 }
Example #3
0
        public void CalcCircumCenter()
        {
            float a, b, c;

            LineFromPoints(A, B, out a, out b, out c);
            float e, f, g;

            LineFromPoints(B, C, out e, out f, out g);

            PerpendicularBisectorFromLine(A, B, ref a, ref b, ref c);
            PerpendicularBisectorFromLine(B, C, ref e, ref f, ref g);

            CirC = lineLineIntersection(a, b, c, e, f, g);
            CirR = EMath.Len(A, CirC);
        }
Example #4
0
 void LineFromPoints(VtPoint p, VtPoint q, out float a, out float b, out float c)
 {
     a = q.Y - p.Y;
     b = p.X - q.X;
     c = a * (p.X) + b * (p.Y);
 }
Example #5
0
 public VtEdge(VPoint start, VPoint end)
 {
     S = new VtPoint(start);
     E = new VtPoint(end);
     M = (S + E) / 2;
 }
Example #6
0
 public VtEdge(VtPoint s, VtPoint e)
 {
     S = s;
     E = e;
     M = (s + e) / 2;
 }