use crate::Transformers;
use crate::point::Point;
use serde::{Serialize,Deserialize};

/// Translate

#[derive(Serialize,Deserialize,Debug,Clone,Copy)]
pub struct Translate {
    x: f32,
    y: f32
}

impl Translate {
    pub fn new(x: f32, y: f32) -> Self {
	Self { x, y }
    }
}

impl Transformers for Translate {
    fn apply(&self, point_list: &[Point]) -> Vec<Point> {
	point_list.iter()
	    .map(| pt | {
		Point { x: pt.x + self.x,
			y: pt.y + self.y,
			..*pt
		}
	    }).collect()
    }
}