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106 lines
1.8 KiB
JavaScript
106 lines
1.8 KiB
JavaScript
/**
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* @author sunag / http://www.sunag.com.br/
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*/
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import { FloatNode } from '../inputs/FloatNode.js';
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import { NodeLib } from '../core/NodeLib.js';
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function TimerNode( scale, scope, timeScale ) {
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FloatNode.call( this );
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this.scale = scale !== undefined ? scale : 1;
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this.scope = scope || TimerNode.GLOBAL;
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this.timeScale = timeScale !== undefined ? timeScale : this.scale !== 1;
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}
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TimerNode.GLOBAL = 'global';
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TimerNode.LOCAL = 'local';
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TimerNode.DELTA = 'delta';
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TimerNode.prototype = Object.create( FloatNode.prototype );
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TimerNode.prototype.constructor = TimerNode;
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TimerNode.prototype.nodeType = "Timer";
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TimerNode.prototype.isReadonly = function () {
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// never use TimerNode as readonly but aways as "uniform"
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return false;
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};
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TimerNode.prototype.isUnique = function () {
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// share TimerNode "uniform" input if is used on more time with others TimerNode
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return this.timeScale && ( this.scope === TimerNode.GLOBAL || this.scope === TimerNode.DELTA );
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};
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TimerNode.prototype.updateFrame = function ( frame ) {
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var scale = this.timeScale ? this.scale : 1;
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switch ( this.scope ) {
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case TimerNode.LOCAL:
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this.value += frame.delta * scale;
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break;
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case TimerNode.DELTA:
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this.value = frame.delta * scale;
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break;
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default:
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this.value = frame.time * scale;
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}
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};
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TimerNode.prototype.copy = function ( source ) {
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FloatNode.prototype.copy.call( this, source );
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this.scope = source.scope;
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this.scale = source.scale;
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this.timeScale = source.timeScale;
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};
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TimerNode.prototype.toJSON = function ( meta ) {
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var data = this.getJSONNode( meta );
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if ( ! data ) {
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data = this.createJSONNode( meta );
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data.scope = this.scope;
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data.scale = this.scale;
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data.timeScale = this.timeScale;
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}
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return data;
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};
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NodeLib.addKeyword( 'time', function () {
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return new TimerNode();
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} );
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export { TimerNode };
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