File: //var/www/aspa/three/addons/nodes/core/NodeFrame.js
import { NodeUpdateType } from './constants.js';
class NodeFrame {
constructor() {
this.time = 0;
this.deltaTime = 0;
this.frameId = 0;
this.renderId = 0;
this.startTime = null;
this.updateMap = new WeakMap();
this.updateBeforeMap = new WeakMap();
this.renderer = null;
this.material = null;
this.camera = null;
this.object = null;
this.scene = null;
}
_getMaps( referenceMap, nodeRef ) {
let maps = referenceMap.get( nodeRef );
if ( maps === undefined ) {
maps = {
renderMap: new WeakMap(),
frameMap: new WeakMap()
};
referenceMap.set( nodeRef, maps );
}
return maps;
}
updateBeforeNode( node ) {
const updateType = node.getUpdateBeforeType();
const reference = node.setReference( this );
if ( updateType === NodeUpdateType.FRAME ) {
const { frameMap } = this._getMaps( this.updateBeforeMap, reference );
if ( frameMap.get( node ) !== this.frameId ) {
if ( node.updateBefore( this ) !== false ) {
frameMap.set( node, this.frameId );
}
}
} else if ( updateType === NodeUpdateType.RENDER ) {
const { renderMap } = this._getMaps( this.updateBeforeMap, reference );
if ( renderMap.get( node ) !== this.renderId ) {
if ( node.updateBefore( this ) !== false ) {
renderMap.set( node, this.renderId );
}
}
} else if ( updateType === NodeUpdateType.OBJECT ) {
node.updateBefore( this );
}
}
updateNode( node ) {
const updateType = node.getUpdateType();
const reference = node.setReference( this );
if ( updateType === NodeUpdateType.FRAME ) {
const { frameMap } = this._getMaps( this.updateMap, reference );
if ( frameMap.get( node ) !== this.frameId ) {
if ( node.update( this ) !== false ) {
frameMap.set( node, this.frameId );
}
}
} else if ( updateType === NodeUpdateType.RENDER ) {
const { renderMap } = this._getMaps( this.updateMap, reference );
if ( renderMap.get( node ) !== this.renderId ) {
if ( node.update( this ) !== false ) {
renderMap.set( node, this.renderId );
}
}
} else if ( updateType === NodeUpdateType.OBJECT ) {
node.update( this );
}
}
update() {
this.frameId ++;
if ( this.lastTime === undefined ) this.lastTime = performance.now();
this.deltaTime = ( performance.now() - this.lastTime ) / 1000;
this.lastTime = performance.now();
this.time += this.deltaTime;
}
}
export default NodeFrame;