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60 lines
888 B
60 lines
888 B
2 years ago
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import { NodeUpdateType } from './constants.js';
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class NodeFrame {
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constructor() {
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this.time = 0;
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this.deltaTime = 0;
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this.frameId = 0;
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this.startTime = null;
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this.updateMap = new WeakMap();
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this.renderer = null;
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this.material = null;
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this.camera = null;
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this.object = null;
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}
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updateNode( node ) {
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if ( node.updateType === NodeUpdateType.FRAME ) {
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if ( this.updateMap.get( node ) !== this.frameId ) {
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this.updateMap.set( node, this.frameId );
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node.update( this );
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}
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} else if ( node.updateType === NodeUpdateType.OBJECT ) {
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node.update( this );
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}
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}
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update() {
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this.frameId ++;
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if ( this.lastTime === undefined ) this.lastTime = performance.now();
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this.deltaTime = ( performance.now() - this.lastTime ) / 1000;
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this.lastTime = performance.now();
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this.time += this.deltaTime;
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}
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}
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export default NodeFrame;
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