X-Git-Url: https://harrygodden.com/git/?a=blobdiff_plain;f=bvh.h;fp=bvh.h;h=8b6b0784785973f1adf89ddbbb01636d656f1d64;hb=6c1541ad6a2915912e7439661820a786cb145af4;hp=e79e3ddc6866ab7d012bfd30952d0fc8eebc3230;hpb=9ea792becde79c561d34a2d31e9e6df2a436a6db;p=carveJwlIkooP6JGAAIwe30JlM.git

diff --git a/bvh.h b/bvh.h
index e79e3dd..8b6b078 100644
--- a/bvh.h
+++ b/bvh.h
@@ -232,11 +232,16 @@ VG_STATIC int bh_ray( bh_tree *bh, v3f co, v3f dir, ray_hit *hit )
    stack[0] = 0;
    stack[1] = bh->nodes[0].il;
    stack[2] = bh->nodes[0].ir;
+
+   v3f dir_inv;
+   dir_inv[0] = 1.0f/dir[0];
+   dir_inv[1] = 1.0f/dir[1];
+   dir_inv[2] = 1.0f/dir[2];
    
    while(depth)
    {
       bh_node *inode = &bh->nodes[ stack[depth] ];
-      if( ray_aabb( inode->bbx, co, dir, hit->dist ) )
+      if( ray_aabb1( inode->bbx, co, dir_inv, hit->dist ) )
       {
          if( inode->count )
          {