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Forgot one place where bounds need to be merged for motion blur.

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This commit is contained in:
Nathan Vegdahl 2016-07-16 12:28:08 -07:00
parent 2e3851837d
commit 9d47dfdeb2
1 changed files with 17 additions and 9 deletions
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24
src/bvh.rs
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@ -61,19 +61,27 @@ impl BVH {
self.depth
}
fn acc_bounds<'a, T, F>(&mut self, objects1: &mut [T], bounder: &F)
fn acc_bounds<'a, T, F>(&mut self, objects: &mut [T], bounder: &F)
where F: 'a + Fn(&T) -> &'a [BBox]
{
// TODO: merging of different length bounds
// TODO: do all of this without the temporary cache
let max_len = objects.iter().map(|obj| bounder(obj).len()).max().unwrap();
self.bounds_cache.clear();
for bb in bounder(&objects1[0]).iter() {
self.bounds_cache.push(*bb);
}
for obj in &objects1[1..] {
self.bounds_cache.resize(max_len, BBox::new());
for obj in objects.iter() {
let bounds = bounder(obj);
debug_assert!(self.bounds_cache.len() == bounds.len());
debug_assert!(bounds.len() > 0);
if bounds.len() == max_len {
for i in 0..bounds.len() {
self.bounds_cache[i] = self.bounds_cache[i] | bounds[i];
self.bounds_cache[i] |= bounds[i];
}
} else {
let s = (max_len - 1) as f32;
for (i, bbc) in self.bounds_cache.iter_mut().enumerate() {
*bbc |= lerp_slice(bounds, i as f32 / s);
}
}
}
}