static void
quadtree_render(quadtree_node node, heightfield hf)
{
if(node->childs[0] == NULL || node->childs[1] == NULL ||
node->childs[2] == NULL || node->childs[3] == NULL) {
s_patch *patch = (s_patch *)node->data;
int i = calc_lod(hf, &patch->pos);
object3d_to_opengl(patch->obj[i]);
return;
}
if(frustum2d_bbox_is_into(hf->ftm2d, &node->childs[0]->box))
quadtree_render(node->childs[0], hf);
if(frustum2d_bbox_is_into(hf->ftm2d, &node->childs[1]->box))
quadtree_render(node->childs[1], hf);
if(frustum2d_bbox_is_into(hf->ftm2d, &node->childs[2]->box))
quadtree_render(node->childs[2], hf);
if(frustum2d_bbox_is_into(hf->ftm2d, &node->childs[3]->box))
quadtree_render(node->childs[3], hf);
}
void test_phase()
{
struct conf*c;
BITTYPE mask1=0,mask2=0,bits1=0,bits2=0;
double rf,lod;
assert(c = calloc(1,sizeof(struct conf)));
c->nvar = 1;
string2bits("1100111111",&mask1);
string2bits("1110111111",&mask2);
string2bits("1010011011",&bits1);
string2bits("1100011110",&bits2);
printf("mask1=0x%016llx bits1=0x%016llx mask2=0x%016llx bits1=0x%016llx\n",(long long unsigned)mask1,
(long long unsigned)bits1,
(long long unsigned)mask2,
(long long unsigned)bits2);
calc_lod(c,&mask1,&bits1,&mask2,&bits2,&rf,&lod);
printf("rf=%f lod=%f\n",rf,lod);
}
