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Do culling correctly

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This commit is contained in:
rdb 2009-03-19 16:44:03 +00:00
parent 1e3d3d1398
commit 84e5156e90
1 changed files with 4 additions and 5 deletions
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9
panda/src/grutil/geoMipTerrain.cxx
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@ -1,6 +1,6 @@
// Filename: geoMipTerrain.cxx
// Created by: pro-rsoft (29jun07)
// Last updated by: pro-rsoft (25sep08)
// Last updated by: pro-rsoft (17jan09)
//
////////////////////////////////////////////////////////////////////
//
@ -243,12 +243,11 @@ generate_block(unsigned short mx,
PT(Geom) geom = new Geom(vdata);
geom->add_primitive(prim);
PT(BoundingBox) box = new BoundingBox(LPoint3f(mx * _block_size, my * _block_size, minh),
LPoint3f((mx + 1) * _block_size + _block_size, (my + 1) * _block_size, maxh));
geom->set_bounds(box);
geom->set_bounds_type(BoundingVolume::BT_box);
PT(GeomNode) node = new GeomNode("gmm" + int_to_str(mx) + "x" + int_to_str(my));
node->add_geom(geom);
node->set_bounds_type(BoundingVolume::BT_box);
_old_levels.at(mx).at(my) = reallevel;
return node;
@ -589,7 +588,7 @@ update_block(unsigned short mx, unsigned short my,
nassertr_always(!_is_dirty, false);
nassertr_always(mx < (_xsize - 1) / _block_size, false);
nassertr_always(my < (_ysize - 1) / _block_size, false);
if (level < -1) {
if (level < 0) {
level = _levels[mx][my];
}
level = min(max(_min_level, (unsigned short) level), _max_level);