use parry2d::math::Vector;
use parry2d::shape::Polyline;
fn main() {
let points = vec![
Vector::new(0.0, 1.0),
Vector::new(-1.0, -1.0),
Vector::new(0.0, -0.5),
Vector::new(1.0, -1.0),
];
let indices = vec![
[0, 1],
[1, 2],
[2, 3],
[3, 0], // This forms a loop.
];
// Build the polyline.
let polyline = Polyline::new(points, Some(indices));
assert_eq!(polyline.vertices().len(), 4);
}