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use crate::{
models::Arc,
path::{Path, PathItem},
point::Point,
};
use std::f64::consts::PI;
pub fn circle(x: f64, y: f64, radius: f64) -> Path {
Path::new(vec![
PathItem::Arc(Arc {
center: Point(x, y),
radius,
angle1: 0.0,
angle2: PI * 2.0,
}),
PathItem::CloseAndJump,
])
}
pub fn rect(x: f64, y: f64, width: f64, height: f64) -> Path {
Path::from_points(
&vec![
Point(x, y),
Point(x, y + height),
Point(x + width, y + height),
Point(x + width, y),
Point(x, y),
],
true,
)
}
pub fn triangle(size: f64) -> Path {
ngon(3, size)
}
pub fn ngon(n: usize, size: f64) -> Path {
assert!(3 <= n);
let p = Point(0.0, -size);
Path::from_points(
&(0..=n)
.map(|i| p.rotate(i as f64 / n as f64 * std::f64::consts::PI * 2.0))
.collect::<Vec<_>>(),
true,
)
}