use crate::math::{Point, Real};
use crate::query::{PointProjection, PointQuery};
use crate::shape::{FeatureId, HalfSpace};
impl PointQuery for HalfSpace {
#[inline]
fn project_local_point(&self, pt: &Point<Real>, solid: bool) -> PointProjection {
let d = self.normal.dot(&pt.coords);
let inside = d <= 0.0;
if inside && solid {
PointProjection::new(true, *pt)
} else {
PointProjection::new(inside, *pt + (-*self.normal * d))
}
}
#[inline]
fn project_local_point_and_get_feature(
&self,
pt: &Point<Real>,
) -> (PointProjection, FeatureId) {
(self.project_local_point(pt, false), FeatureId::Face(0))
}
#[inline]
fn distance_to_local_point(&self, pt: &Point<Real>, solid: bool) -> Real {
let dist = self.normal.dot(&pt.coords);
if dist < 0.0 && solid {
0.0
} else {
dist
}
}
#[inline]
fn contains_local_point(&self, pt: &Point<Real>) -> bool {
self.normal.dot(&pt.coords) <= 0.0
}
}