public void Vector3dCloneWorks()
{
var v = new Vector3d(1, 2, 3);
var v2 = v.Clone();
v2.X = 3;
Assert.NotEqual(v, v2);
Assert.True(v.Equivalent(new Vector3d(1, 2, 3)));
}
public static Vector3d Normalise(this Vector3d vector)
{
double x = vector.X;
double y = vector.Y;
double z = vector.Z;
double d = Math.Sqrt(x * x + y * y + z * z);
if (d == 0)
{
return(vector.Clone());
}
return(new Vector3d {
X = x / d, Y = y / d, Z = z / d
});
}
/**
* Constructor for a ray
*
* @param direction direction ray
* @param point beginning of the ray
*/
public Line(Vector3d direction, Point3d point)
{
this.direction = direction.Clone();
this.point = point.Clone();
direction.normalize();
}
/**
* Sets a new direction
*
* @param direction new direction
*/
public void setDirection(Vector3d direction)
{
this.direction = direction.Clone();
}
