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use std::cmp::{Eq, Ordering};
use prelude::*;
use distances_3d::*;
#[derive (Debug, PartialEq, PartialOrd, Clone, Hash, Default)]
pub struct Box3D {
pub center: Point3D,
pub size_x: Positive,
pub size_y: Positive,
pub size_z: Positive
}
impl Eq for Box3D {}
impl Ord for Box3D {
fn cmp(&self, other: &Self) -> Ordering {
let origin = Point3D::default();
match sqr_dist_3d(&origin, &self.center).partial_cmp(&sqr_dist_3d(&origin, &other.center)) {
Some(x) => x,
None => match self.size_x.partial_cmp(&other.size_x) {
Some(x) => x,
None => match self.size_y.partial_cmp(&other.size_y) {
Some(x) => x,
None => self.size_z.partial_cmp(&other.size_z).unwrap_or(Ordering::Equal)
}
}
}
}
}
impl IsND for Box3D {
fn n_dimensions() -> usize {
Point3D::n_dimensions()
}
fn get_position(&self, dimension: usize) -> Result<f64> {
self.center.get_position(dimension)
}
}
impl Is3D for Box3D {
fn x(&self) -> f64 {
self.center.x()
}
fn y(&self) -> f64 {
self.center.y()
}
fn z(&self) -> f64 {
self.center.z()
}
}
impl IsBuildableND for Box3D {
fn new_nd(coords: &[f64]) -> Result<Self> {
Ok(Box3D{center: Point3D::new_nd(coords)?, size_x: Positive::one(), size_y: Positive::one(), size_z: Positive::one()})
}
fn from_nd<P>(&mut self, other: P) -> Result<()> where
P: IsBuildableND {
self.center.from_nd(other)
}
}
impl IsBuildable3D for Box3D {
fn new(x: f64, y: f64, z: f64) -> Self {
Box3D{center: Point3D{x: x, y: y, z: z}, size_x: Positive::one(), size_y: Positive::one(), size_z: Positive::one()}
}
fn from<P>(&mut self, other: P)
where P: Is3D {
self.center.from(other)
}
}
impl IsEditableND for Box3D {
fn set_position(&mut self, dimension: usize, val: f64) -> Result<()> {
self.center.set_position(dimension, val)
}
}
impl IsEditable3D for Box3D {
fn set_x(&mut self, val: f64) {
self.center.set_x(val);
}
fn set_y(&mut self, val: f64) {
self.center.set_y(val);
}
fn set_z(&mut self, val: f64) {
self.center.set_z(val);
}
}
impl HasBoundingBox3D for Box3D {
fn bounding_box(&self) -> Result<BoundingBox3D> {
let p_min = Point3D{x: self.center.x() - self.size_x.get() / 2.0, y: self.center.y() - self.size_y.get() / 2.0, z: self.center.z() - self.size_z.get() / 2.0};
let p_max = Point3D{x: self.center.x() + self.size_x.get() / 2.0, y: self.center.y() + self.size_y.get() / 2.0, z: self.center.z() + self.size_z.get() / 2.0};
BoundingBox3D::new(&p_min, &p_max)
}
}
impl IsScalable for Box3D {
fn scale(&mut self, factor: Positive) {
self.size_x *= factor;
self.size_y *= factor;
self.size_z *= factor;
}
}
impl From<BoundingBox3D> for Box3D {
fn from(x: BoundingBox3D) -> Self {
Box3D{center: x.center_bb(), size_x: x.size_x(), size_y: x.size_y(), size_z: x.size_z()}
}
}