// do all of the LOD calculations
protected void updateLOD(List<Vector3f> locations, LodCalculator lodCalculator) {
if (getSpatial() == null) {
return;
}
// update any existing ones that need updating
updateQuadLODs();
if (lodCalculator.isLodOff()) {
// we want to calculate the base lod at least once
if (lodOffCount == 1) return;
else lodOffCount++;
} else lodOffCount = 0;
if (lastCameraLocations != null) {
if (!forceUpdate && lastCameraLocationsTheSame(locations) && !lodCalculator.isLodOff())
return; // don't update if in same spot
else lastCameraLocations = cloneVectorList(locations);
forceUpdate = false;
} else {
lastCameraLocations = cloneVectorList(locations);
return;
}
if (isLodCalcRunning()) {
return;
}
setLodCalcRunning(true);
if (executor == null) executor = createExecutorService();
prepareTerrain();
UpdateLOD updateLodThread = getLodThread(locations, lodCalculator);
indexer = executor.submit(updateLodThread);
}
