forked from Botanical/BotanJS
51 lines
896 B
JavaScript
51 lines
896 B
JavaScript
(function(){
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var ns = __namespace( "System" );
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var Tick = function()
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{
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// cycle counter
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var nc = 0;
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this.__started = false;
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this.loop = function()
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{
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for( var i in this.steppers )
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this.steppers[i]();
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nc ++;
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};
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__readOnly( this, "count", function() { return nc; } );
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};
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Tick.prototype.putStepper = function( stepperCallback )
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{
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var l = this.steppers.length;
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this.steppers[l] = stepperCallback;
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return l;
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};
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Tick.prototype.start = function()
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{
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if( !this.__started )
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{
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this.id = setInterval( this.loop.bind( this ), 0 );
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this.__started = true;
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}
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};
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Tick.prototype.stop = function()
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{
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if( this.__started )
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{
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this.__started = false;
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clearInterval( this.id );
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}
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};
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Tick.prototype.steppers = [];
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__readOnly( Tick.prototype, "started", function() { return this.__started; } );
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ns[ NS_EXPORT ]( EX_CLASS, "Tick", Tick );
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})();
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