65 lines
937 B
JavaScript
65 lines
937 B
JavaScript
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import UniformNode from '../core/UniformNode.js';
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import { NodeUpdateType } from '../core/constants.js';
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class TimerNode extends UniformNode {
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static LOCAL = 'local';
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static GLOBAL = 'global';
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static DELTA = 'delta';
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constructor( scope = TimerNode.LOCAL ) {
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super( 0 );
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this.scope = scope;
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this.scale = 1;
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this.updateType = NodeUpdateType.Frame;
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}
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update( frame ) {
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const scope = this.scope;
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const scale = this.scale;
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if ( scope === TimerNode.LOCAL ) {
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this.value += frame.deltaTime * scale;
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} else if ( scope === TimerNode.DELTA ) {
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this.value = frame.deltaTime * scale;
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} else {
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// global
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this.value = frame.time * scale;
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}
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}
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serialize( data ) {
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super.serialize( data );
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data.scope = this.scope;
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data.scale = this.scale;
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}
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deserialize( data ) {
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super.deserialize( data );
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this.scope = data.scope;
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this.scale = data.scale;
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}
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}
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export default TimerNode;
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