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