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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 2D space
use std::fmt;
use prelude::*;
#[derive (Debug, PartialEq, PartialOrd, Ord, Eq, Clone, Hash)]
/// Line2D, a line within 2D space
pub struct Line2D {
pub anchor: Point2D,
pub dir: Norm2D
}
impl Line2D {
/// Creates a new Line2D from an anchor point and a direction
pub fn new(anchor: Point2D, dir: Norm2D) -> Self {
Line2D{anchor, dir}
}
}
impl IsMovable2D for Line2D {
fn move_by(&mut self, x: f64, y: f64) {
self.anchor.move_by(x, y);
}
}
impl fmt::Display for Line2D {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "({}, {} -> {}, {})", self.anchor.x(), self.anchor.y(), self.dir.x(), self.dir.y())
}
}