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use kiss3d::window::Window;
use na::Point3;
use rapier::geometry::{ColliderHandle, ColliderSet};
use rapier::math::{Isometry, Point};
pub struct Polyline {
color: Point3<f32>,
base_color: Point3<f32>,
vertices: Vec<Point<f32>>,
indices: Vec<[u32; 2]>,
collider: ColliderHandle,
pos: Isometry<f32>,
}
impl Polyline {
pub fn new(
collider: ColliderHandle,
vertices: Vec<Point<f32>>,
indices: Vec<[u32; 2]>,
color: Point3<f32>,
) -> Polyline {
Polyline {
color,
pos: Isometry::identity(),
base_color: color,
vertices,
indices,
collider,
}
}
pub fn select(&mut self) {
self.color = Point3::new(1.0, 0.0, 0.0);
}
pub fn unselect(&mut self) {
self.color = self.base_color;
}
pub fn set_color(&mut self, color: Point3<f32>) {
self.color = color;
self.base_color = color;
}
pub fn update(&mut self, colliders: &ColliderSet) {
self.pos = colliders
.get(self.collider)
.map(|c| *c.position())
.unwrap_or(Isometry::identity());
}
pub fn object(&self) -> ColliderHandle {
self.collider
}
pub fn draw(&mut self, window: &mut Window) {
for idx in &self.indices {
let p1 = self.pos * self.vertices[idx[0] as usize];
let p2 = self.pos * self.vertices[idx[1] as usize];
#[cfg(feature = "dim2")]
window.draw_planar_line(&p1, &p2, &self.color);
#[cfg(feature = "dim3")]
window.draw_line(&p1, &p2, &self.color);
}
}
}
|
