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short circuit shouldRender logic in treeToArrays()

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This commit is contained in:
ZappoMan 2013-05-05 10:34:09 -07:00
parent 2c8c6a2600
commit af6f51527a
1 changed files with 13 additions and 6 deletions
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19
interface/src/VoxelSystem.cpp
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@ -220,12 +220,19 @@ void VoxelSystem::copyWrittenDataToReadArrays() {
int VoxelSystem::newTreeToArrays(VoxelNode* node) {
assert(_viewFrustum); // you must set up _viewFrustum before calling this
int voxelsUpdated = 0;
float distanceToNode = node->distanceToCamera(*_viewFrustum);
float boundary = boundaryDistanceForRenderLevel(node->getLevel());
float childBoundary = boundaryDistanceForRenderLevel(node->getLevel() + 1);
bool inBoundary = (distanceToNode <= boundary);
bool inChildBoundary = (distanceToNode <= childBoundary);
bool shouldRender = node->isColored() && ((node->isLeaf() && inChildBoundary) || (inBoundary && !inChildBoundary));
bool shouldRender = false; // assume we don't need to render it
// if it's colored, we might need to render it!
if (node->isColored()) {
float distanceToNode = node->distanceToCamera(*_viewFrustum);
float boundary = boundaryDistanceForRenderLevel(node->getLevel());
float childBoundary = boundaryDistanceForRenderLevel(node->getLevel() + 1);
bool inBoundary = (distanceToNode <= boundary);
bool inChildBoundary = (distanceToNode <= childBoundary);
shouldRender = (node->isLeaf() && inChildBoundary) || (inBoundary && !inChildBoundary);
}
node->setShouldRender(shouldRender);
// let children figure out their renderness