use std::marker::PhantomData;
use bounding_volume::BoundingVolume;
pub trait BVTVisitor<B, BV> {
fn visit_internal(&mut self, &BV) -> bool;
fn visit_leaf(&mut self, &B, &BV);
}
pub struct BoundingVolumeInterferencesCollector<'a, N: 'a, B: 'a, BV: 'a> {
bv: &'a BV,
collector: &'a mut Vec<B>,
_scalar: PhantomData<N>
}
impl<'a, N, B, BV> BoundingVolumeInterferencesCollector<'a, N, B, BV>
where BV: BoundingVolume<N> {
#[inline]
pub fn new(bv: &'a BV, buffer: &'a mut Vec<B>) -> BoundingVolumeInterferencesCollector<'a, N, B, BV> {
BoundingVolumeInterferencesCollector {
bv: bv,
collector: buffer,
_scalar: PhantomData
}
}
}
impl<'a, N, B, BV> BVTVisitor<B, BV> for BoundingVolumeInterferencesCollector<'a, N, B, BV>
where B: Clone,
BV: BoundingVolume<N> {
#[inline]
fn visit_internal(&mut self, bv: &BV) -> bool {
bv.intersects(self.bv)
}
#[inline]
fn visit_leaf(&mut self, b: &B, bv: &BV) {
if (self.bv as *const BV) != (bv as *const BV) && bv.intersects(self.bv) {
self.collector.push(b.clone())
}
}
}