use std::ops::Add;
use std::ops::Sub;

use vector::Vector3;

#[derive(Clone, Copy)]
pub struct Point {
    pub x: f32,
    pub y: f32,
    pub z: f32,
}

impl Point {
    pub fn zero() -> Point {
        Point {
            x: 0.,
            y: 0.,
            z: 0.,
        }
    }
}

impl Add<Vector3> for Point {
    type Output = Point;

    fn add(self, other: Vector3) -> Point {
        Point {
            x: self.x + other.x,
            y: self.y + other.y,
            z: self.z + other.z,
        }
    }
}

impl Sub for Point {
    type Output = Point;

    fn sub(self, other: Point) -> Point {
        Point {
            x: self.x - other.x,
            y: self.y - other.y,
            z: self.z - other.z,
        }
    }
}
