Retrieves the z-coordinate of a given Point.
z-coordinate of the Point
const point = make_color_point(1, 2, 3, 50, 100, 150);z_of(point); // Returns 3 Copy
const point = make_color_point(1, 2, 3, 50, 100, 150);z_of(point); // Returns 3
Retrieves the z-coordinate of a given Point.