public float AngleBetween(Vector3 other)
{
Vector3 a = GetNormalised();
Vector3 b = other.GetNormalised();
float d = a.Dot(b);
return((float)Math.Acos(d));
}
//finds the angle between the vectors
public float AngleBetween(Vector3 other)
{
// normalise the vectors
Vector3 a = GetNormalised();
Vector3 b = other.GetNormalised();
// calculate the dot product
float d = a.x * b.x + a.y * b.y + a.z * b.z;
// return the angle between them
return((float)Math.Acos(d));
}