/// <summary>
/// Gets the X angle between two vectors
/// </summary>
/// <param name="vecA"></param>
/// <returns></returns>
public double GetAngleX()
{
var vx = new ASVECTOR2(1, 0);
var vn = new ASVECTOR2(this);
vn.Normalise();
double angle = Math.Acos(vx.ScalarProduct(vn));
if (vn.y < 0)
{
return(Math.PI * 2.0 - angle);
}
return(angle);
}
/// <summary>
/// Gets the Y angle between two vectors
/// </summary>
/// <param name="vecA"></param>
/// <returns></returns>
public double GetAngleY()
{
var vy = new ASVECTOR2(0, 1);
var vn = new ASVECTOR2(this);
vn.Normalise();
double angle = Math.Acos(vy.ScalarProduct(vn));
if (vn.x > 0)
{
return(Math.PI * 2.0 - angle);
}
return(angle);
}