extern crate gunpowder_treason as gt;
extern crate itertools;
use std::f64::consts::PI;
fn main() {
let cent = 0.393701f64;
let mut drawing = gt::svg(23.0 * cent, 30.0 * cent);
drawing.add(gt::rect((0.0, 0.0), (23.0 * cent, 30.0 * cent)));
const N: f64 = 0.2;
const THETA: f64 = PI / 3.0;
const COLS: u32 = 13;
const ROWS: u32 = 30;
const XO: f64 = 0.8;
const YO: f64 = 0.8;
let a = THETA.cos() * N;
let h = THETA.sin() * N;
let h2 = THETA.sin() * N * 2.0;
let d = 2.0 * (N + THETA.cos() * N);
for y in 0..ROWS {
let by = YO + y as f64 * h2;
for x in 0..COLS {
drawing.add(
gt::line(XO + d * x as f64 - a, by + h)
.to(XO + d * x as f64, by)
);
drawing.add(
gt::line(XO + d * x as f64, by)
.to(XO + d * x as f64 + N, by)
);
drawing.add(
gt::line(XO + d * x as f64 + N, by)
.to(XO + d * x as f64 + N + a, by + h)
);
if x < COLS - 1 {
drawing.add(
gt::line(XO + d * x as f64 + N + a, by + h)
.to(XO + d * x as f64 + N * 2.0 + a, by + h)
);
}
}
for x in 0..COLS {
drawing.add(
gt::line(XO + d * x as f64, by + h * 2.0)
.to(XO + d * x as f64 - a, by + h)
);
if y == ROWS - 1 {
drawing.add(
gt::line(XO + d * x as f64, by + h * 2.0)
.to(XO + d * x as f64 + N, by + h * 2.0)
);
}
drawing.add(
gt::line(XO + d * x as f64 + N + a, by + h)
.to(XO + d * x as f64 + N, by + h * 2.0)
);
}
}
if let Err(e) = drawing.output("hexes") {
eprintln!("{}", e);
}
}