public override double[] GetEquation(Shape shape, CoordinateSystemInteractor coordinate)
{
var line = shape as Line;
Point startPoint = new Point(line.X1, line.Y1);
Point endPoint = new Point(line.X2, line.Y2);
var firstPoint = coordinate.GetPoint(startPoint);
var lastPoint = coordinate.GetPoint(endPoint);
double A = firstPoint[1] - lastPoint[1];
double B = lastPoint[0] - firstPoint[0];
double C = firstPoint[0] * lastPoint[1] - lastPoint[0] * firstPoint[1];
return(new double[] { A, B, C });
}
public abstract double[] GetEquation(Shape shape, CoordinateSystemInteractor coordinate);
