//返回两向量的夹角(角度制)
static public double Angle(Vector3_DW lhs, Vector3_DW rhs)
{
double ll = lhs.Magnitude();
double rl = rhs.Magnitude();
if (ToolsMath_DW.IsZero(ll) || ToolsMath_DW.IsZero(rl))
{
return(0);
}
double angle = Math.Acos((lhs.X * rhs.X + lhs.Y * rhs.Y + lhs.Z * rhs.Z) / (ll * rl));
angle *= (180 / Math.PI);
return(angle);
}
static public double Distance(Vector3_DW a, Vector3_DW b)
{
Vector3_DW vec = b - a;
return(vec.Magnitude());
}
//返回两向量的夹角(角度制)
public static double Angle(Vector3_DW lhs, Vector3_DW rhs)
{
double ll = lhs.Magnitude();
double rl = rhs.Magnitude();
if (ToolsMath_DW.IsZero(ll) || ToolsMath_DW.IsZero(rl))
{
return 0;
}
double angle = Math.Acos((lhs.X * rhs.X + lhs.Y * rhs.Y + lhs.Z * rhs.Z) / (ll * rl));
angle *= (180 / Math.PI);
return angle;
}