using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Drawing;
internal static class MathUtility
{
public static double CalculateGradientAngle(
PointF startPoint,
PointF endPoint)
{
//Calculate the length of the adjacent and opposite
float diffX = Math.Abs(endPoint.X - startPoint.X);
float diffY = Math.Abs(endPoint.Y - startPoint.Y);
//Calculates the Tan to get the radians (TAN(alpha) = opposite / adjacent)
double radAngle = Math.Atan(diffY / diffX);
//Converts the radians in degrees
double degAngle = radAngle * 180 / Math.PI;
return degAngle;
}
}