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Refactoring layout.

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This commit is contained in:
hal8174 2024-09-23 01:02:50 +02:00
parent 1c44d7aec1
commit e9377de01f
11 changed files with 407 additions and 320 deletions
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43
src/common/transformation.rs
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@ -1,5 +1,9 @@
use crate::prelude::*;
pub trait Transformable {
fn transform(&self, t: Transformation) -> Self;
}
#[derive(Clone, Copy, Debug)]
pub struct Transformation {
rot: Direction,
@ -11,9 +15,9 @@ impl Transformation {
Self { rot, pos }
}
pub fn transform_position(&self, pos: Position) -> Position {
pub fn transform_position(&self, pos: &Position) -> Position {
(match self.rot {
Direction::Up => pos,
Direction::Up => *pos,
Direction::Right => Position::new(-pos.y, pos.x),
Direction::Down => Position::new(-pos.x, -pos.y),
Direction::Left => Position::new(pos.y, -pos.x),
@ -25,6 +29,37 @@ impl Transformation {
}
}
impl Transformable for Position {
fn transform(&self, t: Transformation) -> Self {
(match t.rot {
Direction::Up => *self,
Direction::Right => Position::new(-self.y, self.x),
Direction::Down => Position::new(-self.x, -self.y),
Direction::Left => Position::new(self.y, -self.x),
}) + t.pos
}
}
impl Transformable for Direction {
fn transform(&self, t: Transformation) -> Self {
match (t.rot, self) {
(Direction::Up, _) => Direction::Up,
(Direction::Right, Direction::Up) => Direction::Right,
(Direction::Right, Direction::Right) => Direction::Down,
(Direction::Right, Direction::Down) => Direction::Left,
(Direction::Right, Direction::Left) => Direction::Up,
(Direction::Down, Direction::Up) => Direction::Down,
(Direction::Down, Direction::Right) => Direction::Left,
(Direction::Down, Direction::Down) => Direction::Up,
(Direction::Down, Direction::Left) => Direction::Right,
(Direction::Left, Direction::Up) => Direction::Left,
(Direction::Left, Direction::Right) => Direction::Up,
(Direction::Left, Direction::Down) => Direction::Right,
(Direction::Left, Direction::Left) => Direction::Down,
}
}
}
#[cfg(test)]
mod test {
use crate::prelude::*;
@ -34,9 +69,9 @@ mod test {
let p = Position::new(3, 5);
let t = Transformation::new(Direction::Up, Position::new(-3, -5));
assert_eq!(t.transform_position(p), Position::new(0, 0));
assert_eq!(t.transform_position(&p), Position::new(0, 0));
let t = Transformation::new(Direction::Down, Position::new(-3, -5));
assert_eq!(t.transform_position(p), Position::new(-6, -10));
assert_eq!(t.transform_position(&p), Position::new(-6, -10));
}
}