const std = @import("std");
const print = std.debug.print;

const math = std.math;

pub const Pnt = struct {

	x: f32 = 0,
	y: f32 = 0,
	z: f32 = 0,
	
	fn printPnt(self: *const Pnt) void {
		print("{d} {d} {d}\n", .{self.x, self.y, self.z});
	}
	
	pub fn set(self: *Pnt, x: f32, y: f32, z: f32) void {
		self.x = x;
		self.y = y;
		self.z = z;	
	}
	
	
};

pub fn distanceBetweenPoints(pt1: Pnt, pt2: Pnt) f64 {

	if ((pt1.x == pt2.x) and (pt1.y == pt2.y) and (pt1.z == pt2.z)) {
		return 0;
	}
	
	const dx: f32 = pt1.x - pt2.x;
	const dy: f32 = pt1.y - pt2.y;
	const dz: f32 = pt1.z - pt2.z;
	
	return math.sqrt(dx*dx + dy*dy + dz*dz);
	
}