Cesium-Examples/libs/three/examples/jsm/renderers/common/RenderLists.js
2025-03-19 11:00:22 +08:00

39 lines
471 B
JavaScript

import ChainMap from './ChainMap.js';
import RenderList from './RenderList.js';
class RenderLists {
constructor() {
this.lists = new ChainMap();
}
get( scene, camera ) {
const lists = this.lists;
const keys = [ scene, camera ];
let list = lists.get( keys );
if ( list === undefined ) {
list = new RenderList();
lists.set( keys, list );
}
return list;
}
dispose() {
this.lists = new ChainMap();
}
}
export default RenderLists;