use crate::math::Vector2;
use crate::shape::HeightField;
use alloc::{vec, vec::Vec};
impl HeightField {
pub fn to_polyline(&self) -> (Vec<Vector2>, Vec<[u32; 2]>) {
let mut vertices = vec![];
let mut indices = vec![];
for seg in self.segments() {
let base_id = vertices.len() as u32;
if vertices.last().map(|pt| seg.a != *pt).unwrap_or(true) {
indices.push([base_id, base_id + 1]);
vertices.push(seg.a);
} else {
indices.push([base_id - 1, base_id]);
}
vertices.push(seg.b);
}
(vertices, indices)
}
}