/*! * Chart.js * http://chartjs.org/ * * Copyright 2017 Nick Downie * Released under the MIT license * https://github.com/chartjs/Chart.js/blob/master/LICENSE.md */ !function(t){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=t();else if("function"==typeof define&&define.amd)define([],t);else{("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this).Chart=t()}}(function(){return function t(e,n,i){function a(r,l){if(!n[r]){if(!e[r]){var s="function"==typeof require&&require;if(!l&&s)return s(r,!0);if(o)return o(r,!0);var u=new Error("Cannot find module '"+r+"'");throw u.code="MODULE_NOT_FOUND",u}var d=n[r]={exports:{}};e[r][0].call(d.exports,function(t){var n=e[r][1][t];return a(n||t)},d,d.exports,t,e,n,i)}return n[r].exports}for(var o="function"==typeof require&&require,r=0;rn?(e+.05)/(n+.05):(n+.05)/(e+.05)},level:function(t){var e=this.contrast(t);return e>=7.1?"AAA":e>=4.5?"AA":""},dark:function(){var 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e=Math.atan2(r,o),(n=360*e/2/Math.PI)<0&&(n+=360),i=Math.sqrt(o*o+r*r),[a,i,n]}function k(t){return v(x(t))}function w(t){var e,n,i,a=t[0],o=t[1];return i=t[2]/360*2*Math.PI,e=o*Math.cos(i),n=o*Math.sin(i),[a,e,n]}function M(t){return S[t]}e.exports={rgb2hsl:i,rgb2hsv:a,rgb2hwb:o,rgb2cmyk:l,rgb2keyword:s,rgb2xyz:u,rgb2lab:d,rgb2lch:function(t){return y(d(t))},hsl2rgb:c,hsl2hsv:function(t){var e,n,i=t[0],a=t[1]/100,o=t[2]/100;return 0===o?[0,0,0]:(o*=2,a*=o<=1?o:2-o,n=(o+a)/2,e=2*a/(o+a),[i,100*e,100*n])},hsl2hwb:function(t){return o(c(t))},hsl2cmyk:function(t){return l(c(t))},hsl2keyword:function(t){return s(c(t))},hsv2rgb:h,hsv2hsl:function(t){var e,n,i=t[0],a=t[1]/100,o=t[2]/100;return n=(2-a)*o,e=a*o,e/=n<=1?n:2-n,e=e||0,n/=2,[i,100*e,100*n]},hsv2hwb:function(t){return o(h(t))},hsv2cmyk:function(t){return l(h(t))},hsv2keyword:function(t){return s(h(t))},hwb2rgb:f,hwb2hsl:function(t){return i(f(t))},hwb2hsv:function(t){return a(f(t))},hwb2cmyk:function(t){return 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o.each(n.data,function(n,a){t=e.data[a],isNaN(t)||n.hidden||(i+=Math.abs(t))}),i},calculateCircumference:function(t){var e=this.getMeta().total;return e>0&&!isNaN(t)?2*Math.PI*(t/e):0},getMaxBorderWidth:function(t){for(var e,n,i=0,a=this.index,o=t.length,r=0;r(i=e>i?e:i)?n:i;return i}})}},{25:25,40:40,45:45}],18:[function(t,e,n){"use strict";var i=t(25),a=t(40),o=t(45);i._set("line",{showLines:!0,spanGaps:!1,hover:{mode:"label"},scales:{xAxes:[{type:"category",id:"x-axis-0"}],yAxes:[{type:"linear",id:"y-axis-0"}]}}),e.exports=function(t){function e(t,e){return o.valueOrDefault(t.showLine,e.showLines)}t.controllers.line=t.DatasetController.extend({datasetElementType:a.Line,dataElementType:a.Point,update:function(t){var n,i,a,r=this,l=r.getMeta(),s=l.dataset,u=l.data||[],d=r.chart.options,c=d.elements.line,h=r.getScaleForId(l.yAxisID),f=r.getDataset(),g=e(f,d);for(g&&(a=s.custom||{},void 0!==f.tension&&void 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0!==f.fill?f.fill:c.fill,steppedLine:a.steppedLine?a.steppedLine:o.valueOrDefault(f.steppedLine,c.stepped),cubicInterpolationMode:a.cubicInterpolationMode?a.cubicInterpolationMode:o.valueOrDefault(f.cubicInterpolationMode,c.cubicInterpolationMode)},s.pivot()),n=0,i=u.length;n');var n=t.data,i=n.datasets,a=n.labels;if(i.length)for(var o=0;o'),a[o]&&e.push(a[o]),e.push("");return e.push(""),e.join("")},legend:{labels:{generateLabels:function(t){var e=t.data;return e.labels.length&&e.datasets.length?e.labels.map(function(n,i){var a=t.getDatasetMeta(0),r=e.datasets[0],l=a.data[i].custom||{},s=o.valueAtIndexOrDefault,u=t.options.elements.arc;return{text:n,fillStyle:l.backgroundColor?l.backgroundColor:s(r.backgroundColor,i,u.backgroundColor),strokeStyle:l.borderColor?l.borderColor:s(r.borderColor,i,u.borderColor),lineWidth:l.borderWidth?l.borderWidth:s(r.borderWidth,i,u.borderWidth),hidden:isNaN(r.data[i])||a.data[i].hidden,index:i}}):[]}},onClick:function(t,e){var n,i,a,o=e.index,r=this.chart;for(n=0,i=(r.data.datasets||[]).length;n0&&!isNaN(t)?2*Math.PI/e:0}})}},{25:25,40:40,45:45}],20:[function(t,e,n){"use strict";var i=t(25),a=t(40),o=t(45);i._set("radar",{scale:{type:"radialLinear"},elements:{line:{tension:0}}}),e.exports=function(t){t.controllers.radar=t.DatasetController.extend({datasetElementType:a.Line,dataElementType:a.Point,linkScales:o.noop,update:function(t){var e=this,n=e.getMeta(),i=n.dataset,a=n.data,r=i.custom||{},l=e.getDataset(),s=e.chart.options.elements.line,u=e.chart.scale;void 0!==l.tension&&void 0===l.lineTension&&(l.lineTension=l.tension),o.extend(n.dataset,{_datasetIndex:e.index,_scale:u,_children:a,_loop:!0,_model:{tension:r.tension?r.tension:o.valueOrDefault(l.lineTension,s.tension),backgroundColor:r.backgroundColor?r.backgroundColor:l.backgroundColor||s.backgroundColor,borderWidth:r.borderWidth?r.borderWidth:l.borderWidth||s.borderWidth,borderColor:r.borderColor?r.borderColor:l.borderColor||s.borderColor,fill:r.fill?r.fill:void 0!==l.fill?l.fill:s.fill,borderCapStyle:r.borderCapStyle?r.borderCapStyle:l.borderCapStyle||s.borderCapStyle,borderDash:r.borderDash?r.borderDash:l.borderDash||s.borderDash,borderDashOffset:r.borderDashOffset?r.borderDashOffset:l.borderDashOffset||s.borderDashOffset,borderJoinStyle:r.borderJoinStyle?r.borderJoinStyle:l.borderJoinStyle||s.borderJoinStyle}}),n.dataset.pivot(),o.each(a,function(n,i){e.updateElement(n,i,t)},e),e.updateBezierControlPoints()},updateElement:function(t,e,n){var i=this,a=t.custom||{},r=i.getDataset(),l=i.chart.scale,s=i.chart.options.elements.point,u=l.getPointPositionForValue(e,r.data[e]);void 0!==r.radius&&void 0===r.pointRadius&&(r.pointRadius=r.radius),void 0!==r.hitRadius&&void 0===r.pointHitRadius&&(r.pointHitRadius=r.hitRadius),o.extend(t,{_datasetIndex:i.index,_index:e,_scale:l,_model:{x:n?l.xCenter:u.x,y:n?l.yCenter:u.y,tension:a.tension?a.tension:o.valueOrDefault(r.lineTension,i.chart.options.elements.line.tension),radius:a.radius?a.radius:o.valueAtIndexOrDefault(r.pointRadius,e,s.radius),backgroundColor:a.backgroundColor?a.backgroundColor:o.valueAtIndexOrDefault(r.pointBackgroundColor,e,s.backgroundColor),borderColor:a.borderColor?a.borderColor:o.valueAtIndexOrDefault(r.pointBorderColor,e,s.borderColor),borderWidth:a.borderWidth?a.borderWidth:o.valueAtIndexOrDefault(r.pointBorderWidth,e,s.borderWidth),pointStyle:a.pointStyle?a.pointStyle:o.valueAtIndexOrDefault(r.pointStyle,e,s.pointStyle),hitRadius:a.hitRadius?a.hitRadius:o.valueAtIndexOrDefault(r.pointHitRadius,e,s.hitRadius)}}),t._model.skip=a.skip?a.skip:isNaN(t._model.x)||isNaN(t._model.y)},updateBezierControlPoints:function(){var t=this.chart.chartArea,e=this.getMeta();o.each(e.data,function(n,i){var a=n._model,r=o.splineCurve(o.previousItem(e.data,i,!0)._model,a,o.nextItem(e.data,i,!0)._model,a.tension);a.controlPointPreviousX=Math.max(Math.min(r.previous.x,t.right),t.left),a.controlPointPreviousY=Math.max(Math.min(r.previous.y,t.bottom),t.top),a.controlPointNextX=Math.max(Math.min(r.next.x,t.right),t.left),a.controlPointNextY=Math.max(Math.min(r.next.y,t.bottom),t.top),n.pivot()})},setHoverStyle:function(t){var e=this.chart.data.datasets[t._datasetIndex],n=t.custom||{},i=t._index,a=t._model;a.radius=n.hoverRadius?n.hoverRadius:o.valueAtIndexOrDefault(e.pointHoverRadius,i,this.chart.options.elements.point.hoverRadius),a.backgroundColor=n.hoverBackgroundColor?n.hoverBackgroundColor:o.valueAtIndexOrDefault(e.pointHoverBackgroundColor,i,o.getHoverColor(a.backgroundColor)),a.borderColor=n.hoverBorderColor?n.hoverBorderColor:o.valueAtIndexOrDefault(e.pointHoverBorderColor,i,o.getHoverColor(a.borderColor)),a.borderWidth=n.hoverBorderWidth?n.hoverBorderWidth:o.valueAtIndexOrDefault(e.pointHoverBorderWidth,i,a.borderWidth)},removeHoverStyle:function(t){var e=this.chart.data.datasets[t._datasetIndex],n=t.custom||{},i=t._index,a=t._model,r=this.chart.options.elements.point;a.radius=n.radius?n.radius:o.valueAtIndexOrDefault(e.pointRadius,i,r.radius),a.backgroundColor=n.backgroundColor?n.backgroundColor:o.valueAtIndexOrDefault(e.pointBackgroundColor,i,r.backgroundColor),a.borderColor=n.borderColor?n.borderColor:o.valueAtIndexOrDefault(e.pointBorderColor,i,r.borderColor),a.borderWidth=n.borderWidth?n.borderWidth:o.valueAtIndexOrDefault(e.pointBorderWidth,i,r.borderWidth)}})}},{25:25,40:40,45:45}],21:[function(t,e,n){"use strict";t(25)._set("scatter",{hover:{mode:"single"},scales:{xAxes:[{id:"x-axis-1",type:"linear",position:"bottom"}],yAxes:[{id:"y-axis-1",type:"linear",position:"left"}]},showLines:!1,tooltips:{callbacks:{title:function(){return""},label:function(t){return"("+t.xLabel+", "+t.yLabel+")"}}}}),e.exports=function(t){t.controllers.scatter=t.controllers.line}},{25:25}],22:[function(t,e,n){"use strict";var i=t(25),a=t(26),o=t(45);i._set("global",{animation:{duration:1e3,easing:"easeOutQuart",onProgress:o.noop,onComplete:o.noop}}),e.exports=function(t){t.Animation=a.extend({chart:null,currentStep:0,numSteps:60,easing:"",render:null,onAnimationProgress:null,onAnimationComplete:null}),t.animationService={frameDuration:17,animations:[],dropFrames:0,request:null,addAnimation:function(t,e,n,i){var a,o,r=this.animations;for(e.chart=t,i||(t.animating=!0),a=0,o=r.length;a1&&(n=Math.floor(t.dropFrames),t.dropFrames=t.dropFrames%1),t.advance(1+n);var i=Date.now();t.dropFrames+=(i-e)/t.frameDuration,t.animations.length>0&&t.requestAnimationFrame()},advance:function(t){for(var e,n,i=this.animations,a=0;a=e.numSteps?(o.callback(e.onAnimationComplete,[e],n),n.animating=!1,i.splice(a,1)):++a}},Object.defineProperty(t.Animation.prototype,"animationObject",{get:function(){return this}}),Object.defineProperty(t.Animation.prototype,"chartInstance",{get:function(){return this.chart},set:function(t){this.chart=t}})}},{25:25,26:26,45:45}],23:[function(t,e,n){"use strict";var i=t(25),a=t(45),o=t(28),r=t(48);e.exports=function(t){function e(t){var e=(t=t||{}).data=t.data||{};return e.datasets=e.datasets||[],e.labels=e.labels||[],t.options=a.configMerge(i.global,i[t.type],t.options||{}),t}function n(t){var e=t.options;e.scale?t.scale.options=e.scale:e.scales&&e.scales.xAxes.concat(e.scales.yAxes).forEach(function(e){t.scales[e.id].options=e}),t.tooltip._options=e.tooltips}function l(t){return"top"===t||"bottom"===t}var s=t.plugins;t.types={},t.instances={},t.controllers={},a.extend(t.prototype,{construct:function(n,i){var o=this;i=e(i);var l=r.acquireContext(n,i),s=l&&l.canvas,u=s&&s.height,d=s&&s.width;o.id=a.uid(),o.ctx=l,o.canvas=s,o.config=i,o.width=d,o.height=u,o.aspectRatio=u?d/u:null,o.options=i.options,o._bufferedRender=!1,o.chart=o,o.controller=o,t.instances[o.id]=o,Object.defineProperty(o,"data",{get:function(){return o.config.data},set:function(t){o.config.data=t}}),l&&s?(o.initialize(),o.update()):console.error("Failed to create chart: can't acquire context from the given item")},initialize:function(){var t=this;return s.notify(t,"beforeInit"),a.retinaScale(t,t.options.devicePixelRatio),t.bindEvents(),t.options.responsive&&t.resize(!0),t.ensureScalesHaveIDs(),t.buildScales(),t.initToolTip(),s.notify(t,"afterInit"),t},clear:function(){return a.canvas.clear(this),this},stop:function(){return t.animationService.cancelAnimation(this),this},resize:function(t){var e=this,n=e.options,i=e.canvas,o=n.maintainAspectRatio&&e.aspectRatio||null,r=Math.max(0,Math.floor(a.getMaximumWidth(i))),l=Math.max(0,Math.floor(o?r/o:a.getMaximumHeight(i)));if((e.width!==r||e.height!==l)&&(i.width=e.width=r,i.height=e.height=l,i.style.width=r+"px",i.style.height=l+"px",a.retinaScale(e,n.devicePixelRatio),!t)){var u={width:r,height:l};s.notify(e,"resize",[u]),e.options.onResize&&e.options.onResize(e,u),e.stop(),e.update(e.options.responsiveAnimationDuration)}},ensureScalesHaveIDs:function(){var t=this.options,e=t.scales||{},n=t.scale;a.each(e.xAxes,function(t,e){t.id=t.id||"x-axis-"+e}),a.each(e.yAxes,function(t,e){t.id=t.id||"y-axis-"+e}),n&&(n.id=n.id||"scale")},buildScales:function(){var e=this,n=e.options,i=e.scales={},o=[];n.scales&&(o=o.concat((n.scales.xAxes||[]).map(function(t){return{options:t,dtype:"category",dposition:"bottom"}}),(n.scales.yAxes||[]).map(function(t){return{options:t,dtype:"linear",dposition:"left"}}))),n.scale&&o.push({options:n.scale,dtype:"radialLinear",isDefault:!0,dposition:"chartArea"}),a.each(o,function(n){var o=n.options,r=a.valueOrDefault(o.type,n.dtype),s=t.scaleService.getScaleConstructor(r);if(s){l(o.position)!==l(n.dposition)&&(o.position=n.dposition);var u=new s({id:o.id,options:o,ctx:e.ctx,chart:e});i[u.id]=u,u.mergeTicksOptions(),n.isDefault&&(e.scale=u)}}),t.scaleService.addScalesToLayout(this)},buildOrUpdateControllers:function(){var e=this,n=[],i=[];return a.each(e.data.datasets,function(a,o){var r=e.getDatasetMeta(o),l=a.type||e.config.type;if(r.type&&r.type!==l&&(e.destroyDatasetMeta(o),r=e.getDatasetMeta(o)),r.type=l,n.push(r.type),r.controller)r.controller.updateIndex(o);else{var s=t.controllers[r.type];if(void 0===s)throw new Error('"'+r.type+'" is not a chart type.');r.controller=new s(e,o),i.push(r.controller)}},e),i},resetElements:function(){var t=this;a.each(t.data.datasets,function(e,n){t.getDatasetMeta(n).controller.reset()},t)},reset:function(){this.resetElements(),this.tooltip.initialize()},update:function(t){var e=this;if(t&&"object"==typeof t||(t={duration:t,lazy:arguments[1]}),n(e),!1!==s.notify(e,"beforeUpdate")){e.tooltip._data=e.data;var i=e.buildOrUpdateControllers();a.each(e.data.datasets,function(t,n){e.getDatasetMeta(n).controller.buildOrUpdateElements()},e),e.updateLayout(),a.each(i,function(t){t.reset()}),e.updateDatasets(),e.tooltip.initialize(),e.lastActive=[],s.notify(e,"afterUpdate"),e._bufferedRender?e._bufferedRequest={duration:t.duration,easing:t.easing,lazy:t.lazy}:e.render(t)}},updateLayout:function(){var e=this;!1!==s.notify(e,"beforeLayout")&&(t.layoutService.update(this,this.width,this.height),s.notify(e,"afterScaleUpdate"),s.notify(e,"afterLayout"))},updateDatasets:function(){var t=this;if(!1!==s.notify(t,"beforeDatasetsUpdate")){for(var e=0,n=t.data.datasets.length;e=0;--n)e.isDatasetVisible(n)&&e.drawDataset(n,t);s.notify(e,"afterDatasetsDraw",[t])}},drawDataset:function(t,e){var n=this,i=n.getDatasetMeta(t),a={meta:i,index:t,easingValue:e};!1!==s.notify(n,"beforeDatasetDraw",[a])&&(i.controller.draw(e),s.notify(n,"afterDatasetDraw",[a]))},_drawTooltip:function(t){var e=this,n=e.tooltip,i={tooltip:n,easingValue:t};!1!==s.notify(e,"beforeTooltipDraw",[i])&&(n.draw(),s.notify(e,"afterTooltipDraw",[i]))},getElementAtEvent:function(t){return o.modes.single(this,t)},getElementsAtEvent:function(t){return o.modes.label(this,t,{intersect:!0})},getElementsAtXAxis:function(t){return o.modes["x-axis"](this,t,{intersect:!0})},getElementsAtEventForMode:function(t,e,n){var i=o.modes[e];return"function"==typeof i?i(this,t,n):[]},getDatasetAtEvent:function(t){return o.modes.dataset(this,t,{intersect:!0})},getDatasetMeta:function(t){var e=this,n=e.data.datasets[t];n._meta||(n._meta={});var i=n._meta[e.id];return i||(i=n._meta[e.id]={type:null,data:[],dataset:null,controller:null,hidden:null,xAxisID:null,yAxisID:null}),i},getVisibleDatasetCount:function(){for(var t=0,e=0,n=this.data.datasets.length;e0||(a.forEach(function(e){delete t[e]}),delete t._chartjs)}}var a=["push","pop","shift","splice","unshift"];t.DatasetController=function(t,e){this.initialize(t,e)},i.extend(t.DatasetController.prototype,{datasetElementType:null,dataElementType:null,initialize:function(t,e){var n=this;n.chart=t,n.index=e,n.linkScales(),n.addElements()},updateIndex:function(t){this.index=t},linkScales:function(){var t=this,e=t.getMeta(),n=t.getDataset();null===e.xAxisID&&(e.xAxisID=n.xAxisID||t.chart.options.scales.xAxes[0].id),null===e.yAxisID&&(e.yAxisID=n.yAxisID||t.chart.options.scales.yAxes[0].id)},getDataset:function(){return this.chart.data.datasets[this.index]},getMeta:function(){return this.chart.getDatasetMeta(this.index)},getScaleForId:function(t){return this.chart.scales[t]},reset:function(){this.update(!0)},destroy:function(){this._data&&n(this._data,this)},createMetaDataset:function(){var t=this,e=t.datasetElementType;return e&&new e({_chart:t.chart,_datasetIndex:t.index})},createMetaData:function(t){var e=this,n=e.dataElementType;return n&&new n({_chart:e.chart,_datasetIndex:e.index,_index:t})},addElements:function(){var t,e,n=this,i=n.getMeta(),a=n.getDataset().data||[],o=i.data;for(t=0,e=a.length;ti&&t.insertElements(i,a-i)},insertElements:function(t,e){for(var n=0;n=n[e].length&&n[e].push({}),!n[e][r].type||s.type&&s.type!==n[e][r].type?o.merge(n[e][r],[t.scaleService.getScaleDefaults(l),s]):o.merge(n[e][r],s)}else o._merger(e,n,i,a)}})},o.where=function(t,e){if(o.isArray(t)&&Array.prototype.filter)return t.filter(e);var n=[];return o.each(t,function(t){e(t)&&n.push(t)}),n},o.findIndex=Array.prototype.findIndex?function(t,e,n){return t.findIndex(e,n)}:function(t,e,n){n=void 0===n?t:n;for(var i=0,a=t.length;i=0;i--){var a=t[i];if(e(a))return a}},o.isNumber=function(t){return!isNaN(parseFloat(t))&&isFinite(t)},o.almostEquals=function(t,e,n){return Math.abs(t-e)t},o.max=function(t){return t.reduce(function(t,e){return isNaN(e)?t:Math.max(t,e)},Number.NEGATIVE_INFINITY)},o.min=function(t){return t.reduce(function(t,e){return isNaN(e)?t:Math.min(t,e)},Number.POSITIVE_INFINITY)},o.sign=Math.sign?function(t){return Math.sign(t)}:function(t){return 0==(t=+t)||isNaN(t)?t:t>0?1:-1},o.log10=Math.log10?function(t){return Math.log10(t)}:function(t){return Math.log(t)/Math.LN10},o.toRadians=function(t){return t*(Math.PI/180)},o.toDegrees=function(t){return t*(180/Math.PI)},o.getAngleFromPoint=function(t,e){var n=e.x-t.x,i=e.y-t.y,a=Math.sqrt(n*n+i*i),o=Math.atan2(i,n);return o<-.5*Math.PI&&(o+=2*Math.PI),{angle:o,distance:a}},o.distanceBetweenPoints=function(t,e){return Math.sqrt(Math.pow(e.x-t.x,2)+Math.pow(e.y-t.y,2))},o.aliasPixel=function(t){return t%2==0?0:.5},o.splineCurve=function(t,e,n,i){var a=t.skip?e:t,o=e,r=n.skip?e:n,l=Math.sqrt(Math.pow(o.x-a.x,2)+Math.pow(o.y-a.y,2)),s=Math.sqrt(Math.pow(r.x-o.x,2)+Math.pow(r.y-o.y,2)),u=l/(l+s),d=s/(l+s),c=i*(u=isNaN(u)?0:u),h=i*(d=isNaN(d)?0:d);return{previous:{x:o.x-c*(r.x-a.x),y:o.y-c*(r.y-a.y)},next:{x:o.x+h*(r.x-a.x),y:o.y+h*(r.y-a.y)}}},o.EPSILON=Number.EPSILON||1e-14,o.splineCurveMonotone=function(t){var e,n,i,a,r=(t||[]).map(function(t){return{model:t._model,deltaK:0,mK:0}}),l=r.length;for(e=0;e0?r[e-1]:null,(a=e0?r[e-1]:null,a=e=t.length-1?t[0]:t[e+1]:e>=t.length-1?t[t.length-1]:t[e+1]},o.previousItem=function(t,e,n){return n?e<=0?t[t.length-1]:t[e-1]:e<=0?t[0]:t[e-1]},o.niceNum=function(t,e){var n=Math.floor(o.log10(t)),i=t/Math.pow(10,n);return(e?i<1.5?1:i<3?2:i<7?5:10:i<=1?1:i<=2?2:i<=5?5:10)*Math.pow(10,n)},o.requestAnimFrame="undefined"==typeof 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i(this)?(t=n.x,e=(n.y+n.base)/2):(t=(n.x+n.base)/2,e=n.y),{x:t,y:e}},getArea:function(){var t=this._view;return t.width*Math.abs(t.y-t.base)},tooltipPosition:function(){var t=this._view;return{x:t.x,y:t.y}}})},{25:25,26:26}],40:[function(t,e,n){"use strict";e.exports={},e.exports.Arc=t(36),e.exports.Line=t(37),e.exports.Point=t(38),e.exports.Rectangle=t(39)},{36:36,37:37,38:38,39:39}],41:[function(t,e,n){"use strict";var i=t(42),n=e.exports={clear:function(t){t.ctx.clearRect(0,0,t.width,t.height)},roundedRect:function(t,e,n,i,a,o){if(o){var r=Math.min(o,i/2),l=Math.min(o,a/2);t.moveTo(e+r,n),t.lineTo(e+i-r,n),t.quadraticCurveTo(e+i,n,e+i,n+l),t.lineTo(e+i,n+a-l),t.quadraticCurveTo(e+i,n+a,e+i-r,n+a),t.lineTo(e+r,n+a),t.quadraticCurveTo(e,n+a,e,n+a-l),t.lineTo(e,n+l),t.quadraticCurveTo(e,n,e+r,n)}else t.rect(e,n,i,a)},drawPoint:function(t,e,n,i,a){var o,r,l,s,u,d;if(!e||"object"!=typeof e||"[object HTMLImageElement]"!==(o=e.toString())&&"[object 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libĂšre les rouleaux : l’impact des bandes‑sonores sur les tours gratuits dans les casinos en ligne – Dr. Steven Kniffley Jr. Skip to main content
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Quand la musique libùre les rouleaux : l’impact des bandes‑sonores sur les tours gratuits dans les casinos en ligne

By July 22, 2025March 29th, 2026No Comments

Quand la musique libùre les rouleaux : l’impact des bandes‑sonores sur les tours gratuits dans les casinos en ligne

Le son n’est plus un simple accessoire dans l’univers du iGaming ; il est devenu un levier stratĂ©gique capable de transformer un simple spin en une expĂ©rience immersive et captivante. Les dĂ©veloppeurs investissent des budgets consĂ©quents pour composer des pistes qui s’accordent parfaitement aux mĂ©caniques de jeu, tandis que les opĂ©rateurs utilisent ces compositions pour diffĂ©rencier leurs offres et retenir les joueurs plus longtemps sur leurs plateformes.

DĂ©couvrez nos tests et comparatifs de casino en ligne pour profiter pleinement des nouvelles offres musicales
 Les analyses de Videogamer.Com montrent que les titres intĂ©grant des bandes‑son originales obtiennent des taux de conversion supĂ©rieurs de 12 % en moyenne par rapport aux jeux aux effets sonores basiques.

Dans cet article nous dĂ©cortiquons comment la composition musicale influence les free spins, pourquoi cette Ă©volution constitue une actualitĂ© majeure tant pour les joueurs que pour les opĂ©rateurs, et quelles perspectives s’ouvrent Ă  l’avenir avec les technologies immersives Ă©mergentes.

L’évolution des musiques de casino et leur impact psychologique

Des tonalités rétro aux orchestrations modernes

Les premiĂšres machines Ă  sous mĂ©caniques utilisaient des jingles courts et rĂ©pĂ©titifs, souvent composĂ©s Ă  partir de sons d’engrenages ou de cloches d’horlogerie. Ces tonalitĂ©s servaient surtout Ă  signaler le gain ou la perte sans chercher Ă  crĂ©er une ambiance particuliĂšre. Aujourd’hui, les dĂ©veloppeurs comme NetEnt ou Pragmatic Play misent sur des orchestrations complĂštes mĂȘlant cordes, cuivres et percussions Ă©lectroniques pour accompagner chaque Ă©tape du jeu : le lancement du spin, l’apparition du symbole Wild et le dĂ©clenchement du bonus free spin sont tous soulignĂ©s par des variations musicales prĂ©cises. Cette transition reflĂšte une volontĂ© d’augmenter le facteur d’immersion afin d’allonger la durĂ©e moyenne d’une session de jeu.

La science du “flow” sonore

Le concept de flow dĂ©crit l’état mental oĂč le joueur est entiĂšrement absorbĂ© par l’activitĂ©, sans distraction ni fatigue perceptible. Les ingĂ©nieurs sonores calibrent le tempo (gĂ©nĂ©ralement entre 100 et 130 BPM), la gamme (majeure pour un sentiment d’optimisme ou mineure pour crĂ©er du suspense) et le volume dynamique afin de maintenir ce niveau optimal d’attention pendant les tours gratuits. Une Ă©tude interne menĂ©e par une plateforme d’analyse comportementale a montrĂ© que lorsqu’un morceau passe d’une dynamique linĂ©aire Ă  une progression crescendo au cours du free spin, le temps moyen passĂ© sur le jeu augmente de 18 %. De plus, le contrĂŽle du spectre sonore – basses renforcĂ©es pendant les moments de jackpot – stimule la libĂ©ration de dopamine chez le joueur, renforçant ainsi la propension Ă  placer davantage de mises supplĂ©mentaires aprĂšs le bonus gratuit.

Les nouvelles tendances sonores chez les développeurs majeurs

Les trois leaders du marché ont récemment lancé des packs audio thématiques qui redéfinissent la façon dont les free spins sont présentés aux joueurs :

  • NetEnt – “Rock‑n‑Roll Spins” : une bande‑son inspirĂ©e des classiques du rock des annĂ©es 70 avec guitares saturĂ©es qui s’intensifient Ă  chaque Wild ajoutĂ© pendant le tour gratuit.
  • Play’n GO – “Cinematic Free Spins” : une composition orchestrale cinĂ©matographique oĂč chaque symbole spĂ©cial dĂ©clenche un cue musical rappelant les grands scores hollywoodiens.
  • Pragmatic Play – “Electro Pulse Bonus” : un mix Ă©lectro‑dance oĂč le BPM augmente progressivement jusqu’à atteindre 150 BPM au moment oĂč le multiplicateur maximal est atteint.

Ces packs ne sont pas seulement dĂ©coratifs ; ils sont liĂ©s Ă  des mĂ©canismes de dĂ©clenchement spĂ©cifiques qui offrent aux joueurs une expĂ©rience auditive cohĂ©rente avec l’évolution du bonus : dĂšs le premier spin gagnant liĂ© au thĂšme musical, le compteur de free spins s’enclenche automatiquement, crĂ©ant ainsi un effet « wow » dĂšs les premiĂšres secondes du bonus.

Free Spins : quand la musique devient condition d’activation

Le mĂ©canisme « musical trigger » repose sur l’idĂ©e que certaines sĂ©quences audio doivent ĂȘtre jouĂ©es pour que le bonus gratuit se dĂ©bloque. ConcrĂštement, le jeu analyse en temps rĂ©el la piste sonore et compare son rythme ou ses motifs mĂ©lodiques Ă  un script pré‑dĂ©terminé ; si la condition est remplie, les tours gratuits sont activĂ©s instantanĂ©ment.

Un exemple phare est Beat the Drum de Play’n GO. Dans ce titre, chaque battement synchronisĂ© avec l’apparition d’un symbole Drum augmente non seulement le compteur de free spins mais ajoute Ă©galement +1 tour supplĂ©mentaire pour chaque beat supplĂ©mentaire au-dessus du seuil de 120 BPM fixĂ© par le code du jeu. Ainsi, un joueur qui rĂ©ussit Ă  maintenir un rythme soutenu grĂące Ă  ses propres actions (par exemple en dĂ©clenchant plusieurs scatters consĂ©cutifs) peut voir son nombre de free spins passer de 10 Ă  plus de 25 en une seule session gratuite.

Ce type d’interaction crĂ©e une boucle rĂ©troactive oĂč le joueur est incitĂ© Ă  optimiser non seulement ses mises mais aussi son timing afin d’influencer la bande‑son elle‑mĂȘme—une vĂ©ritable gamification du son qui renforce l’engagement et augmente la valeur perçue du bonus gratuit.

L’influence du son sur la durĂ©e moyenne d’une session free spin

Mesures d’engagement via l’analytics audio

Les plateformes spĂ©cialisĂ©es dans l’analyse comportementale utilisent aujourd’hui des capteurs logiciels capables de mesurer l’impact immĂ©diat d’une variation sonore sur le temps passĂ© en mode free spin. Les donnĂ©es recueillies auprĂšs de plus de 12 000 sessions montrent que lorsqu’une bande‑son Ă©volutive passe d’une phase statique Ă  une progression dynamique (ajout progressif d’instruments ou augmentation du BPM), la durĂ©e moyenne d’une session free spin augmente de 23 % comparĂ©e Ă  une piste monotone.

Ces chiffres se traduisent directement en bĂ©nĂ©fices Ă©conomiques pour l’opĂ©rateur : selon les rapports internes publiĂ©s par plusieurs nouveaux casino en ligne Ă©valuĂ©s par Videogamer.Com, chaque minute supplĂ©mentaire passĂ©e en mode gratuit gĂ©nĂšre environ 0,07 € supplĂ©mentaires en mise moyenne due aux fonctions “auto‑play” et aux paris additionnels dĂ©clenchĂ©s par les multiplicateurs croissants liĂ©s au son. En cumulant ces effets sur une base mensuelle, certains sites voient leur revenu moyen par utilisateur (ARPU) grimper de 15 Ă  20 % lorsqu’ils intĂšgrent des pistes audio adaptatives dans leurs titres phares.

MĂ©trique Bande‑son statique Bande‑son dynamique
Temps moyen (min) 4,2 5,2
Taux de réactivation (%) 31 45
ARPU (€) 1,84 2,21
Augmentation RTP perçue +0,3 % +0,7 %

Ces indicateurs confirment que le son n’est plus un simple dĂ©cor mais un vĂ©ritable moteur Ă©conomique capable d’influencer la rentabilitĂ© globale des jeux proposant des tours gratuits.

Cas pratiques : Top 5 des jeux oĂč la bande‑son booste les free spins

Rang Jeu Style musical Type de bonus gratuit Impact sur conversion joueur → dĂ©pĂŽt
1 Symphony Spin (NetEnt) Orchestration classique avec violons & cors Multiplicateur progressif + re‑trigger +18 %
2 Beat the Drum (Play’n GO) Percussions afro‑latines syncopĂ©es Musical trigger BPM >120 +22 %
3 Neon Lights Freefall (Pragmatic Play) Synthwave & basses profondes Free spins + expanding wilds +15 %
4 Rock‑n‑Roll Reels (NetEnt) Guitares Ă©lectriques & batterie live Scatter → “Rock‑n‑Roll Spins” pack +13 %
5 Cinematic Quest (Play’n GO) Score Ă©pique orchestral Free spins + random jackpot drops +19 %

1ïžâƒŁ Symphony Spin – La partition commence doucement avant d’exploser vers un crescendo dĂšs que le premier Wild apparaĂźt pendant les free spins ; chaque note supplĂ©mentaire ajoute un multiplicateur qui peut atteindre ×10 au bout du dernier tour gratuit. Les joueurs signalent une hausse notable du temps passĂ© sur ce titre grĂące Ă  la tension musicale croissante qui accompagne chaque gain majeur.

2ïžâƒŁ Beat the Drum – Le mĂ©canisme “musical trigger” dĂ©crit prĂ©cĂ©demment pousse les joueurs Ă  synchroniser leurs scatters avec le tempo du morceau ; chaque battement supplĂ©mentaire augmente le nombre total de tours gratuits jusqu’à atteindre un plafond de 30 spins lorsqu’un solo de tambour retentit pendant la derniĂšre phase du bonus.

3ïžâƒŁ Neon Lights Freefall – Le style synthwave crĂ©e une ambiance rĂ©tro‑futuriste ; pendant les free spins les lumiĂšres clignotent au rythme du BPM qui monte progressivement jusqu’à 140 BPM, dĂ©clenchant ainsi des wilds expansifs toutes les cinq secondes et augmentant la probabilitĂ© d’obtenir un jackpot secondaire jusqu’à €500 en argent rĂ©el grĂące aux options “cash out instantanĂ©â€.

4ïžâƒŁ Rock‑n‑Roll Reels – Chaque fois qu’un symbole Guitar apparaĂźt pendant un free spin, une riff guitare se lance et multiplie instantanĂ©ment les gains par 2x ; si trois riffs se succĂšdent sans interruption le joueur dĂ©bloque alors un “Encore Bonus” offrant 15 spins additionnels avec volatilitĂ© Ă©levĂ©e et RTP ajustĂ© à 96,8 %.

5ïžâƒŁ Cinematic Quest – Le score Ă©pique Ă©volue comme dans un film d’aventure ; lorsqu’un symbole “ClĂ©â€ apparaĂźt pendant les tours gratuits il dĂ©clenche un mini‑jeu oĂč chaque bonne rĂ©ponse ajoute un multiplicateur supplĂ©mentaire jusqu’à ×12 ; ce systĂšme pousse fortement la conversion car il combine suspense narratif et rĂ©compense financiĂšre immĂ©diate pour les joueurs cherchant du cash rĂ©el dans leurs sessions gratuites.

Stratégies marketing autour du son et des free spins

Campagnes cross‑media avec artistes reconnus

Plusieurs opĂ©rateurs ont signĂ© des partenariats exclusifs avec des DJs ou compositeurs cĂ©lĂšbres afin de crĂ©er des “soundtrack events”. Par exemple, Casino Nova a collaborĂ© avec le producteur EDM Alan Walker pour lancer Walker’s Free Beats, une sĂ©rie limitĂ©e oĂč chaque dĂ©pĂŽt actif dĂ©bloque automatiquement un pack audio premium ainsi que 20 free spins utilisables pendant trois jours seulement. La campagne a Ă©tĂ© relayĂ©e sur YouTube, Twitch et TikTok via des vidĂ©os teaser mettant en scĂšne l’artiste jouant en live depuis le studio virtuel du casino ; selon Videogamer.Com ces actions ont gĂ©nĂ©rĂ© plus de 350 000 nouveaux comptes inscrits en deux semaines et ont augmentĂ© le taux moyen de dĂ©pĂŽt initial de 27 % par rapport aux campagnes standards sans composant musical dĂ©diĂ©.

Personnalisation audio via l’IA

L’intelligence artificielle permet dĂ©sormais d’ajuster dynamiquement la bande‑son selon les prĂ©fĂ©rences auditives dĂ©tectĂ©es chez chaque joueur (analyse du tempo prĂ©fĂ©rĂ© via historiques de jeu ou questionnaire rapide). Un algorithme dĂ©veloppĂ© par SoundPlay AI intĂšgre ces donnĂ©es pour proposer en temps rĂ©el une version remixĂ©e du thĂšme original qui s’accorde davantage avec le style choisi par l’utilisateur (hip‑hop remixes pour fans urbains ou piano solo pour amateurs classiques). Cette personnalisation augmente la probabilitĂ© que le joueur utilise ses tours gratuits avant expiration car il ressent une connexion Ă©motionnelle renforcĂ©e avec la musique—un facteur mesurĂ© comme augmentant l’utilisation effective des free spins de 14 % chez les joueurs actifs quotidiennement sur les plateformes Ă©valuĂ©es par Videogamer.Com .

En combinant ces deux approches—partenariats mĂ©diatiques massifs et IA personnalisĂ©e—les opĂ©rateurs crĂ©ent non seulement un buzz mĂ©diatique mais aussi une fidĂ©lisation durable grĂące Ă  une expĂ©rience sonore unique adaptĂ©e Ă  chaque profil joueur tout en stimulant leurs revenus via davantage de dĂ©pĂŽts instantanĂ©s dans leurs casinos en ligne argent rĂ©el.

Le futur sonore des casinos en ligne : réalité augmentée & expériences immersives

Les avancĂ©es rĂ©centes dans l’audio spatialisĂ© comme Dolby Atmos ouvrent la voie Ă  des environnements oĂč chaque symbole apparaĂźt accompagnĂ© d’un effet sonore positionnel prĂ©cis : imaginez entendre le roulement d’une bille dans votre casque VR exactement depuis la droite lorsque vous activez un Wild cĂŽtĂ© droit du rouleau lors d’un free spin ultra volatile avec RTP Ă©levĂ© (>97%). Cette immersion sera complĂ©tĂ©e par haptics intĂ©grĂ©s aux manettes qui vibrent au rythme du BPM lorsque vous dĂ©crochez un jackpot progressif pouvant atteindre plusieurs milliers d’euros en argent rĂ©el grĂące aux options « casino en ligne retrait instantané ».

ParallĂšlement aux casques VR traditionnels Ă©mergent des expĂ©riences AR accessibles via smartphone oĂč l’écran projette virtuellement les rouleaux dans votre salon tout en diffusant une bande‑son ambiante calibrĂ©e selon votre environnement acoustique rĂ©el grĂące Ă  microphonie adaptative IA . Ces innovations promettent non seulement d’accroĂźtre la durĂ©e moyenne des sessions gratuites mais aussi d’attirer une nouvelle gĂ©nĂ©ration de joueurs sensibles aux expĂ©riences multisensorielles hautement personnalisĂ©es—un segment que Videogamer.Com suit attentivement afin d’alimenter ses classements hebdomadaires sur les meilleurs nouveaux casino en ligne intĂ©grant ces technologies immersives.

Conclusion

La bande‑son ne se contente plus d’accompagner visuellement vos tours gratuits ; elle devient aujourd’hui un levier incontournable permettant aux opĂ©rateurs d’enrichir l’expĂ©rience ludique tout en maximisant leurs performances Ă©conomiques grĂące Ă  une meilleure rĂ©tention et conversion des joueurs argent rĂ©el. Pour vous tenir informĂ©(e) des derniĂšres innovations musicales appliquĂ©es aux jeux de casino en ligne—des packs thĂ©matiques aux triggers basĂ©s sur le BPM—continuez Ă  suivre Videogamer.Com qui analyse quotidiennement chaque nouveautĂ© afin que vous ne manquiez aucune opportunitĂ© offerte par ces expĂ©riences auditives inĂ©dites dans vos prochains sessions gratuites.*

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