amazeing 0.8.1

Amazeing is a maze generator/solver application with simulation/visualization.
use crate::render::unit::UnitShapeFactory;
use crate::render::{BORDER, MARGIN, RADIUS};
use std::f32::consts::PI;

const SIDES: f32 = 8.;

#[derive(Debug, Copy, Clone)]
pub(crate) struct OctagonUnitShapeFactory {
    pub(crate) m: f32,
    pub(crate) b: f32,
    pub(crate) r: f32,
    pub(crate) w: f32,
    pub(crate) h: f32,
}

impl UnitShapeFactory for OctagonUnitShapeFactory {
    fn new(zoom: f32) -> Self {
        let d = (PI / SIDES).cos() * RADIUS * 2. * zoom;

        Self {
            m: MARGIN * zoom,
            b: BORDER * zoom,
            r: RADIUS * zoom,
            w: d,
            h: d,
        }
    }

    fn m(&self) -> f32 {
        self.m
    }

    fn b(&self) -> f32 {
        self.b
    }

    fn r(&self) -> f32 {
        self.r
    }

    fn w(&self) -> f32 {
        self.w
    }

    fn h(&self) -> f32 {
        self.h
    }

    fn sides(&self, _r: usize, _c: usize) -> f32 {
        SIDES
    }

    fn rotation(&self, _r: usize, _c: usize) -> f32 {
        180. / SIDES
    }

    fn xs(&self, _r: usize, _c: usize) -> f32 {
        0.
    }

    fn ys(&self, _r: usize, _c: usize) -> f32 {
        0.
    }
}