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LOD tracker optimizer [WIP] #3416

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avaer wants to merge 2 commits into from
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LOD tracker optimizer [WIP] #3416

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abf01c4
Rewrite hash algorithm
Jul 29, 2022
1fe713a
Dead code cleanup
Jul 29, 2022
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18 changes: 12 additions & 6 deletions lod.js
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Original file line number Diff line number Diff line change
Expand Up @@ -26,24 +26,30 @@ const uint16Array = new Uint16Array(1);
return result;
} */
const tp16 = 2 ** 16;
const tp5 = 2 ** 5;
const tp11 = 2 ** 11;
const _getHashMinLod = (min, lod) => {
let result;

uint16Array[0] = min.x;
result = uint16Array[0];
result *= tp16;

uint16Array[0] = min.y;
result = (result * tp16) + uint16Array[0];
result += uint16Array[0];
result *= tp11;

uint16Array[0] = min.z;
result = (result * tp16) + uint16Array[0];
result += uint16Array[0];
result *= tp16;

uint16Array[0] = lod;
result = (result * tp5) + uint16Array[0];
result += uint16Array[0];

return result;
};
const _getHashChunk = chunk => _getHashMinLod(chunk.min, chunk.lod);
const _getHashMinLodArray = (min, lodArray) => min.x + ',' + min.y + ',' + min.z + ':' + lodArray.join(',');
const _getHashChunkLodArray = chunk => _getHashMinLodArray(chunk.min, chunk.lodArray);
// const _getHashMinLodArray = (min, lodArray) => min.x + ',' + min.y + ',' + min.z + ':' + lodArray.join(',');
// const _getHashChunkLodArray = chunk => _getHashMinLodArray(chunk.min, chunk.lodArray);

class Dominator extends EventTarget {
constructor(base, onload) {
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