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use std::fmt;
use std::cmp::{Eq, Ordering};
use std::hash::{Hash, Hasher};
use std::ops::{Add, Mul, Sub};
use prelude::*;
use distances_3d::*;
#[derive (Default, Debug, PartialEq, PartialOrd, Clone)]
pub struct Point3D {
pub x: f64,
pub y: f64,
pub z: f64
}
impl Point3D {
pub fn new(x: f64, y: f64, z: f64) -> Self {
Point3D {x, y, z}
}
}
impl Eq for Point3D {}
impl Ord for Point3D {
fn cmp(&self, other: &Self) -> Ordering {
let origin = Point3D::default();
sqr_dist_3d(&origin, self).partial_cmp(&sqr_dist_3d(&origin, other)).unwrap_or(Ordering::Equal)
}
}
impl Hash for Point3D {
fn hash<H: Hasher>(&self, state: &mut H) {
(self.x as u64).hash(state);
(self.y as u64).hash(state);
(self.z as u64).hash(state);
}
}
impl<P> Add<P> for Point3D where
P: Is3D {
type Output = Point3D;
fn add(self, other: P) -> Point3D {
Point3D {x: self.x + other.x(), y: self.y + other.y(), z: self.z + other.z()}
}
}
impl<P> Sub<P> for Point3D where
P: Is3D {
type Output = Point3D;
fn sub(self, other: P) -> Point3D {
Point3D {x: self.x - other.x(), y: self.y - other.y(), z: self.z - other.z()}
}
}
impl Mul<f64> for Point3D {
type Output = Point3D;
fn mul(self, other: f64) -> Point3D {
Point3D {x: other * self.x, y: other * self.y, z: other * self.z}
}
}
impl IsMovable3D for Point3D {
fn move_by(&mut self, x: f64, y: f64, z: f64) {
self.x += x;
self.y += y;
self.z += z;
}
}
impl IsND for Point3D {
fn n_dimensions() -> usize {
3
}
fn get_position(&self, dimension: usize) -> Result<f64> {
match dimension {
0 => Ok(self.x),
1 => Ok(self.y),
2 => Ok(self.z),
_ => Err(ErrorKind::IncorrectDimension)
}
}
}
impl Is3D for Point3D {
fn x(&self) -> f64 {
self.x
}
fn y(&self) -> f64 {
self.y
}
fn z(&self) -> f64 {
self.z
}
}
impl IsBuildableND for Point3D {
fn new_nd(coords: &[f64]) -> Result<Self> {
if coords.len() != 3 {
return Err(ErrorKind::DimensionsDontMatch);
}
Ok(Point3D{x: coords[0], y: coords[1], z: coords[2]})
}
fn from_nd<P>(&mut self, other: P) -> Result<()> where
P: IsBuildableND {
if P::n_dimensions() != 3 {
return Err(ErrorKind::DimensionsDontMatch);
}
self.x = other.get_position(0)?;
self.y = other.get_position(1)?;
self.z = other.get_position(2)?;
Ok(())
}
}
impl IsBuildable3D for Point3D {
fn new(x: f64, y: f64, z: f64) -> Self {
Point3D{x: x, y: y, z: z}
}
fn from<P>(&mut self, other: P)
where P: Is3D {
self.x = other.x();
self.y = other.y();
self.z = other.z();
}
}
impl IsEditableND for Point3D {
fn set_position(&mut self, dimension: usize, val: f64) -> Result<()> {
match dimension {
0 => self.x = val,
1 => self.y = val,
2 => self.z = val,
_ => return Err(ErrorKind::DimensionsDontMatch),
}
Ok(())
}
}
impl IsEditable3D for Point3D {
fn set_x(&mut self, val: f64) {
self.x = val;
}
fn set_y(&mut self, val: f64) {
self.y = val;
}
fn set_z(&mut self, val: f64) {
self.z = val;
}
}
impl IsTransFormableTo2D for Point3D {
fn transform_to_2d<P>(&self) -> P where
P: IsBuildable2D {
P::new(self.x, self.y)
}
}
impl fmt::Display for Point3D {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "({}, {}, {})", self.x, self.y, self.z)
}
}