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/*
Copyright 2017 Martin Buck
This file is part of rust-3d.
rust-3d is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
rust-3d is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with rust-3d.  If not, see <http://www.gnu.org/licenses/>.
*/

//! Line2D, a line within 3D space

use std::fmt;

use prelude::*;

#[derive (Debug, PartialEq, PartialOrd, Ord, Eq, Clone, Hash)]
/// Line2D, a line within 3D space
pub struct Line3D {
    pub anchor: Point3D,
    pub dir: Norm3D
}

impl Line3D {
    /// Creates a new Line3D from an anchor point and a direction
    pub fn new(anchor: Point3D, dir: Norm3D) -> Self {
        Line3D{anchor, dir}
    }
}

impl IsMovable3D for Line3D {
    fn move_by(&mut self, x: f64, y: f64, z: f64) {
        self.anchor.move_by(x, y, z);
    }
}

impl fmt::Display for Line3D {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "({}, {}, {} -> {}, {}, {})", self.anchor.x(), self.anchor.y(), self.anchor.z(), self.dir.x(), self.dir.y(), self.dir.z())
    }
}