Gradients animation

7/24/2019 - 3:30 AM

var granimInstance = new Granim({
    element: '#hero-gradient',
    name: 'basic-gradient',
    direction: 'left-right',
    opacity: [1, 1],
    isPausedWhenNotInView: true,
    states : {
        "default-state": {
            gradients: [
                ['#AA076B', '#61045F'],
                ['#02AAB0', '#00CDAC'],
                ['#DA22FF', '#9733EE']
            ]
        }
    }
});

granim.min.js

/*! Granim v2.0.0 - https://sarcadass.github.io/granim.js */
!function t(e,i,s){function o(r,a){if(!i[r]){if(!e[r]){var h="function"==typeof require&&require;if(!a&&h)return h(r,!0);if(n)return n(r,!0);var c=new Error("Cannot find module '"+r+"'");throw c.code="MODULE_NOT_FOUND",c}var l=i[r]={exports:{}};e[r][0].call(l.exports,function(t){var i=e[r][1][t];return o(i?i:t)},l,l.exports,t,e,i,s)}return i[r].exports}for(var n="function"==typeof require&&require,r=0;r<s.length;r++)o(s[r]);return o}({1:[function(t,e,i){"use strict";function s(t){this.getElement(t.element),this.x1=0,this.y1=0,this.name=t.name||!1,this.elToSetClassOn=t.elToSetClassOn||"body",this.direction=t.direction||"diagonal",this.customDirection=t.customDirection||{},this.validateInput("direction"),this.isPausedWhenNotInView=t.isPausedWhenNotInView||!1,this.states=t.states,this.stateTransitionSpeed=t.stateTransitionSpeed||1e3,this.previousTimeStamp=null,this.progress=0,this.isPaused=!1,this.isCleared=!1,this.isPausedBecauseNotInView=!1,this.context=this.canvas.getContext("2d"),this.channels={},this.channelsIndex=0,this.activeState=t.defaultStateName||"default-state",this.isChangingState=!1,this.currentColors=[],this.currentColorsPos=[],this.activetransitionSpeed=null,this.eventPolyfill(),this.scrollDebounceThreshold=t.scrollDebounceThreshold||300,this.scrollDebounceTimeout=null,this.isImgLoaded=!1,this.isCanvasInWindowView=!1,this.firstScrollInit=!0,this.animating=!1,this.gradientLength=this.states[this.activeState].gradients[0].length,t.image&&t.image.source&&(this.image={source:t.image.source,position:t.image.position||["center","center"],stretchMode:t.image.stretchMode||!1,blendingMode:t.image.blendingMode||!1}),this.events={start:new CustomEvent("granim:start"),end:new CustomEvent("granim:end"),gradientChange:function(t){return new CustomEvent("granim:gradientChange",{detail:{isLooping:t.isLooping,colorsFrom:t.colorsFrom,colorsTo:t.colorsTo,activeState:t.activeState},bubbles:!1,cancelable:!1})}},this.callbacks={onStart:"function"==typeof t.onStart&&t.onStart,onGradientChange:"function"==typeof t.onGradientChange&&t.onGradientChange,onEnd:"function"==typeof t.onEnd&&t.onEnd},this.getDimensions(),this.canvas.setAttribute("width",this.x1),this.canvas.setAttribute("height",this.y1),this.setColors(),this.image&&(this.validateInput("image"),this.prepareImage()),this.pauseWhenNotInViewNameSpace=this.pauseWhenNotInView.bind(this),this.setSizeAttributesNameSpace=this.setSizeAttributes.bind(this),this.onResize(),this.isPausedWhenNotInView?this.onScroll():this.image||(this.refreshColorsAndPos(),this.animation=requestAnimationFrame(this.animateColors.bind(this)),this.animating=!0),this.callbacks.onStart&&this.callbacks.onStart(),this.canvas.dispatchEvent(this.events.start)}s.prototype.animateColors=t("./animateColors.js"),s.prototype.changeBlendingMode=t("./changeBlendingMode.js"),s.prototype.changeDirection=t("./changeDirection.js"),s.prototype.changeState=t("./changeState.js"),s.prototype.clear=t("./clear.js"),s.prototype.convertColorToRgba=t("./convertColorToRgba.js"),s.prototype.destroy=t("./destroy.js"),s.prototype.eventPolyfill=t("./eventPolyfill.js"),s.prototype.getColor=t("./getColor.js"),s.prototype.getColorDiff=t("./getColorDiff.js"),s.prototype.getColorPos=t("./getColorPos.js"),s.prototype.getColorPosDiff=t("./getColorPosDiff.js"),s.prototype.getCurrentColors=t("./getCurrentColors.js"),s.prototype.getCurrentColorsPos=t("./getCurrentColorsPos.js"),s.prototype.getDimensions=t("./getDimensions.js"),s.prototype.getElement=t("./getElement.js"),s.prototype.getLightness=t("./getLightness.js"),s.prototype.makeGradient=t("./makeGradient.js"),s.prototype.onResize=t("./onResize.js"),s.prototype.onScroll=t("./onScroll.js"),s.prototype.pause=t("./pause.js"),s.prototype.pauseWhenNotInView=t("./pauseWhenNotInView.js"),s.prototype.play=t("./play.js"),s.prototype.prepareImage=t("./prepareImage.js"),s.prototype.refreshColorsAndPos=t("./refreshColorsAndPos.js"),s.prototype.setColors=t("./setColors.js"),s.prototype.setDirection=t("./setDirection.js"),s.prototype.setSizeAttributes=t("./setSizeAttributes.js"),s.prototype.triggerError=t("./triggerError.js"),s.prototype.validateInput=t("./validateInput.js"),e.exports=s},{"./animateColors.js":2,"./changeBlendingMode.js":3,"./changeDirection.js":4,"./changeState.js":5,"./clear.js":6,"./convertColorToRgba.js":7,"./destroy.js":8,"./eventPolyfill.js":9,"./getColor.js":10,"./getColorDiff.js":11,"./getColorPos.js":12,"./getColorPosDiff.js":13,"./getCurrentColors.js":14,"./getCurrentColorsPos.js":15,"./getDimensions.js":16,"./getElement.js":17,"./getLightness.js":18,"./makeGradient.js":19,"./onResize.js":20,"./onScroll.js":21,"./pause.js":22,"./pauseWhenNotInView.js":23,"./play.js":24,"./prepareImage.js":25,"./refreshColorsAndPos.js":26,"./setColors.js":27,"./setDirection.js":28,"./setSizeAttributes.js":29,"./triggerError.js":30,"./validateInput.js":31}],2:[function(t,e,i){"use strict";e.exports=function(t){var e,i,s,o=t-this.previousTimeStamp>100,n=void 0===this.states[this.activeState].loop||this.states[this.activeState].loop;(null===this.previousTimeStamp||o)&&(this.previousTimeStamp=t),this.progress=this.progress+(t-this.previousTimeStamp),e=(this.progress/this.activetransitionSpeed*100).toFixed(2),this.previousTimeStamp=t,this.refreshColorsAndPos(e),e<100?this.animation=requestAnimationFrame(this.animateColors.bind(this)):this.channelsIndex<this.states[this.activeState].gradients.length-2||n?(this.isChangingState&&(this.activetransitionSpeed=this.states[this.activeState].transitionSpeed||5e3,this.isChangingState=!1),this.previousTimeStamp=null,this.progress=0,this.channelsIndex++,i=!1,this.channelsIndex===this.states[this.activeState].gradients.length-1?i=!0:this.channelsIndex===this.states[this.activeState].gradients.length&&(this.channelsIndex=0),s=void 0===this.states[this.activeState].gradients[this.channelsIndex+1]?this.states[this.activeState].gradients[0]:this.states[this.activeState].gradients[this.channelsIndex+1],this.setColors(),this.animation=requestAnimationFrame(this.animateColors.bind(this)),this.callbacks.onGradientChange&&this.callbacks.onGradientChange({isLooping:i,colorsFrom:this.states[this.activeState].gradients[this.channelsIndex],colorsTo:s,activeState:this.activeState}),this.canvas.dispatchEvent(this.events.gradientChange({isLooping:i,colorsFrom:this.states[this.activeState].gradients[this.channelsIndex],colorsTo:s,activeState:this.activeState}))):(cancelAnimationFrame(this.animation),this.callbacks.onEnd&&this.callbacks.onEnd(),this.canvas.dispatchEvent(new CustomEvent("granim:end")))}},{}],3:[function(t,e,i){"use strict";e.exports=function(t){this.context.clearRect(0,0,this.x1,this.y1),this.context.globalCompositeOperation=this.image.blendingMode=t,this.validateInput("blendingMode"),this.isPaused&&this.refreshColorsAndPos()}},{}],4:[function(t,e,i){"use strict";e.exports=function(t){this.context.clearRect(0,0,this.x1,this.y1),this.direction=t,this.validateInput("direction"),this.isPaused&&this.refreshColorsAndPos()}},{}],5:[function(t,e,i){"use strict";e.exports=function(t){var e=this;this.activeState!==t&&(this.isPaused||(this.isPaused=!0,this.pause()),this.channelsIndex=-1,this.activetransitionSpeed=this.stateTransitionSpeed,this.activeColorsDiff=[],this.activeColorsPosDiff=[],this.activeColors=this.getCurrentColors(),this.activeColorsPos=this.getCurrentColorsPos(),this.progress=0,this.previousTimeStamp=null,this.isChangingState=!0,this.states[t].gradients[0].forEach(function(t,i,s){var o=e.convertColorToRgba(e.getColor(t)),n=e.getColorPos(t,i),r=e.getColorDiff(e.activeColors[i],o),a=e.getColorPosDiff(e.activeColorsPos[i],n);e.activeColorsDiff.push(r),e.activeColorsPosDiff.push(a)}),this.activeState=t,this.play())}},{}],6:[function(t,e,i){"use strict";e.exports=function(){this.isPaused?this.isPaused=!1:cancelAnimationFrame(this.animation),this.isCleared=!0,this.context.clearRect(0,0,this.x1,this.y1)}},{}],7:[function(t,e,i){"use strict";function s(t){var e=Object.keys(h),i=0;for(i;i<e.length;i++)if(a=h[e[i]].exec(t))return e[i];return!1}function o(t){var e=/^#?([a-f\d])([a-f\d])([a-f\d])$/i;t=t.replace(e,function(t,e,i,s){return e+e+i+i+s+s});var i=/^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(t);return i?[parseInt(i[1],16),parseInt(i[2],16),parseInt(i[3],16),1]:null}function n(t,e,i){return i<0&&(i+=1),i>1&&(i-=1),i<1/6?t+6*(e-t)*i:i<.5?e:i<2/3?t+(e-t)*(2/3-i)*6:t}function r(t,e,i,s){var o,r,a,h,c;return 0===e?o=r=a=i:(h=i<.5?i*(1+e):i+e-i*e,c=2*i-h,o=n(c,h,t+1/3),r=n(c,h,t),a=n(c,h,t-1/3)),[Math.round(255*o),Math.round(255*r),Math.round(255*a),s]}var a,h={hexa:/^#(?:[0-9a-fA-F]{3}){1,2}$/,rgba:/^rgba\((\d{1,3}), ?(\d{1,3}), ?(\d{1,3}), ?(.?\d{1,3})\)$/,rgb:/^rgb\((\d{1,3}), ?(\d{1,3}), ?(\d{1,3})\)$/,hsla:/^hsla\((\d{1,3}), ?(\d{1,3})%, ?(\d{1,3})%, ?(.?\d{1,3})\)$/,hsl:/^hsl\((\d{1,3}), ?(\d{1,3})%, ?(\d{1,3})%\)$/};e.exports=function(t){switch(s(t)){default:this.triggerError("colorType");case"hexa":return o(t);case"rgba":return[parseInt(a[1],10),parseInt(a[2],10),parseInt(a[3],10),parseFloat(a[4])];case"rgb":return[parseInt(a[1],10),parseInt(a[2],10),parseInt(a[3],10),1];case"hsla":return r(parseInt(a[1],10)/360,parseInt(a[2],10)/100,parseInt(a[3],10)/100,parseFloat(a[4]));case"hsl":return r(parseInt(a[1],10)/360,parseInt(a[2],10)/100,parseInt(a[3],10)/100,1)}}},{}],8:[function(t,e,i){"use strict";e.exports=function(){this.onResize("removeListeners"),this.onScroll("removeListeners"),this.clear()}},{}],9:[function(t,e,i){"use strict";e.exports=function(){function t(t,e){e=e||{bubbles:!1,cancelable:!1,detail:void 0};var i=document.createEvent("CustomEvent");return i.initCustomEvent(t,e.bubbles,e.cancelable,e.detail),i}"function"!=typeof window.CustomEvent&&(t.prototype=window.Event.prototype,window.CustomEvent=t)}},{}],10:[function(t,e,i){"use strict";e.exports=function(t){return"string"==typeof t?t:"object"==typeof t&&t.color?t.color:void this.triggerError("gradient.color")}},{}],11:[function(t,e,i){"use strict";e.exports=function(t,e){var i=0,s=[];for(i;i<4;i++)s.push(e[i]-t[i]);return s}},{}],12:[function(t,e,i){"use strict";e.exports=function(t,e){return"object"==typeof t&&t.pos?t.pos:parseFloat(e?(1/(this.gradientLength-1)*e).toFixed(2):0)}},{}],13:[function(t,e,i){"use strict";e.exports=function(t,e){return e-t}},{}],14:[function(t,e,i){"use strict";e.exports=function(){var t,e,i=[];for(t=0;t<this.currentColors.length;t++)for(i.push([]),e=0;e<4;e++)i[t].push(this.currentColors[t][e]);return i}},{}],15:[function(t,e,i){"use strict";e.exports=function(){var t,e=[];for(t=0;t<this.currentColorsPos.length;t++)e.push(this.currentColorsPos[t]);return e}},{}],16:[function(t,e,i){"use strict";e.exports=function(){this.x1=this.canvas.offsetWidth,this.y1=this.canvas.offsetHeight}},{}],17:[function(t,e,i){"use strict";e.exports=function(t){if(t instanceof HTMLCanvasElement)this.canvas=t;else{if("string"!=typeof t)throw new Error("The element you used is neither a String, nor a HTMLCanvasElement");this.canvas=document.querySelector(t)}if(!this.canvas)throw new Error("`"+t+"` could not be found in the DOM")}},{}],18:[function(t,e,i){"use strict";e.exports=function(){var t,e,i=this.getCurrentColors(),s=null,o=i.map(function(t){return Math.max(t[0],t[1],t[2])});for(e=0;e<o.length;e++)s=null===s?o[e]:s+o[e],e===o.length-1&&(t=Math.round(s/(e+1)));return t>=128?"light":"dark"}},{}],19:[function(t,e,i){"use strict";e.exports=function(){var t=this.setDirection(),e=document.querySelector(this.elToSetClassOn).classList,i=0;for(this.context.clearRect(0,0,this.x1,this.y1),this.image&&this.context.drawImage(this.imageNode,this.imagePosition.x,this.imagePosition.y,this.imagePosition.width,this.imagePosition.height),i;i<this.currentColors.length;i++)t.addColorStop(this.currentColorsPos[i],"rgba("+this.currentColors[i][0]+", "+this.currentColors[i][1]+", "+this.currentColors[i][2]+", "+this.currentColors[i][3]+")");this.name&&("light"===this.getLightness()?(e.remove(this.name+"-dark"),e.add(this.name+"-light")):(e.remove(this.name+"-light"),e.add(this.name+"-dark"))),this.context.fillStyle=t,this.context.fillRect(0,0,this.x1,this.y1)}},{}],20:[function(t,e,i){"use strict";e.exports=function(t){return"removeListeners"===t?void window.removeEventListener("resize",this.setSizeAttributesNameSpace):void window.addEventListener("resize",this.setSizeAttributesNameSpace)}},{}],21:[function(t,e,i){"use strict";e.exports=function(t){return"removeListeners"===t?void window.removeEventListener("scroll",this.pauseWhenNotInViewNameSpace):(window.addEventListener("scroll",this.pauseWhenNotInViewNameSpace),void this.pauseWhenNotInViewNameSpace())}},{}],22:[function(t,e,i){"use strict";e.exports=function(t){var e="isPausedBecauseNotInView"===t;this.isCleared||(e||(this.isPaused=!0),cancelAnimationFrame(this.animation),this.animating=!1)}},{}],23:[function(t,e,i){"use strict";e.exports=function(){var t=this;this.scrollDebounceTimeout&&clearTimeout(this.scrollDebounceTimeout),this.scrollDebounceTimeout=setTimeout(function(){var e=t.canvas.getBoundingClientRect();if(t.isCanvasInWindowView=!(e.bottom<0||e.right<0||e.left>window.innerWidth||e.top>window.innerHeight),t.isCanvasInWindowView){if(!t.isPaused||t.firstScrollInit){if(t.image&&!t.isImgLoaded)return;t.isPausedBecauseNotInView=!1,t.play("isPlayedBecauseInView"),t.firstScrollInit=!1}}else!t.image&&t.firstScrollInit&&(t.refreshColorsAndPos(),t.firstScrollInit=!1),t.isPaused||t.isPausedBecauseNotInView||(t.isPausedBecauseNotInView=!0,t.pause("isPausedBecauseNotInView"))},this.scrollDebounceThreshold)}},{}],24:[function(t,e,i){"use strict";e.exports=function(t){var e="isPlayedBecauseInView"===t;e||(this.isPaused=!1),this.isCleared=!1,this.animating||(this.animation=requestAnimationFrame(this.animateColors.bind(this)),this.animating=!0)}},{}],25:[function(t,e,i){"use strict";e.exports=function(){function t(){function t(t){var i,s=e[t+"1"],o=e["x"===t?"imgOriginalWidth":"imgOriginalHeight"],n="x"===t?e.image.position[0]:e.image.position[1];switch(n){case"center":i=o>s?-(o-s)/2:(s-o)/2,e.imagePosition[t]=i,e.imagePosition["x"===t?"width":"height"]=o;break;case"top":e.imagePosition.y=0,e.imagePosition.height=o;break;case"bottom":e.imagePosition.y=s-o,e.imagePosition.height=o;break;case"right":e.imagePosition.x=s-o,e.imagePosition.width=o;break;case"left":e.imagePosition.x=0,e.imagePosition.width=o}if(e.image.stretchMode)switch(n="x"===t?e.image.stretchMode[0]:e.image.stretchMode[1]){case"none":break;case"stretch":e.imagePosition[t]=0,e.imagePosition["x"===t?"width":"height"]=s;break;case"stretch-if-bigger":if(o<s)break;e.imagePosition[t]=0,e.imagePosition["x"===t?"width":"height"]=s;break;case"stretch-if-smaller":if(o>s)break;e.imagePosition[t]=0,e.imagePosition["x"===t?"width":"height"]=s}}var i,s;for(i=0;i<2;i++)s=i?"y":"x",t(s)}var e=this;return this.imagePosition||(this.imagePosition={x:0,y:0,width:0,height:0}),this.image.blendingMode&&(this.context.globalCompositeOperation=this.image.blendingMode),this.imageNode?void t():(this.imageNode=new Image,this.imageNode.onerror=function(){throw new Error("Granim: The image source is invalid.")},this.imageNode.onload=function(){e.imgOriginalWidth=e.imageNode.width,e.imgOriginalHeight=e.imageNode.height,t(),e.refreshColorsAndPos(),e.isPausedWhenNotInView&&!e.isCanvasInWindowView||(e.animation=requestAnimationFrame(e.animateColors.bind(e))),e.isImgLoaded=!0},void(this.imageNode.src=this.image.source))}},{}],26:[function(t,e,i){"use strict";e.exports=function(t){var e,i,s,o,n=this;for(s=0;s<this.activeColors.length;s++){for(o=0;o<4;o++)e=n.activeColors[s][o]+(3!==o?Math.ceil(n.activeColorsDiff[s][o]/100*t):Math.round(n.activeColorsDiff[s][o]/100*t*100)/100),e<=255&&e>=0&&(n.currentColors[s][o]=e);i=parseFloat((n.activeColorsPos[s]+n.activeColorsPosDiff[s]/100*t).toFixed(4)),i<=1&&i>=0&&(n.currentColorsPos[s]=i)}this.makeGradient()}},{}],27:[function(t,e,i){"use strict";e.exports=function(){var t,e,i,s,o=this;return this.channels[this.activeState]||(this.channels[this.activeState]=[]),void 0!==this.channels[this.activeState][this.channelsIndex]?(this.activeColors=this.channels[this.activeState][this.channelsIndex].colors,this.activeColorsDiff=this.channels[this.activeState][this.channelsIndex].colorsDiff,this.activeColorsPos=this.channels[this.activeState][this.channelsIndex].colorsPos,void(this.activeColorsPosDiff=this.channels[this.activeState][this.channelsIndex].colorsPosDiff)):(this.channels[this.activeState].push([{}]),this.channels[this.activeState][this.channelsIndex].colors=[],this.channels[this.activeState][this.channelsIndex].colorsDiff=[],this.channels[this.activeState][this.channelsIndex].colorsPos=[],this.channels[this.activeState][this.channelsIndex].colorsPosDiff=[],this.activeColors=[],this.activeColorsDiff=[],this.activeColorsPos=[],this.activeColorsPosDiff=[],this.states[this.activeState].gradients[this.channelsIndex].forEach(function(n,r){var a=o.getColorPos(n,r),n=o.getColor(n),h=o.convertColorToRgba(n),c=o.channels[o.activeState];c[o.channelsIndex].colors.push(h),o.activeColors.push(h),c[o.channelsIndex].colorsPos.push(a),o.activeColorsPos.push(a),o.isCurrentColorsSet||(o.currentColors.push(o.convertColorToRgba(n)),o.currentColorsPos.push(a)),o.channelsIndex===o.states[o.activeState].gradients.length-1?(t=o.getColorDiff(c[o.channelsIndex].colors[r],c[0].colors[r]),e=o.getColorPosDiff(c[o.channelsIndex].colorsPos[r],c[0].colorsPos[r])):(i=o.convertColorToRgba(o.getColor(o.states[o.activeState].gradients[o.channelsIndex+1][r])),s=o.getColorPos(o.states[o.activeState].gradients[o.channelsIndex+1][r],r),t=o.getColorDiff(c[o.channelsIndex].colors[r],i),e=o.getColorPosDiff(c[o.channelsIndex].colorsPos[r],s)),c[o.channelsIndex].colorsDiff.push(t),o.activeColorsDiff.push(t),c[o.channelsIndex].colorsPosDiff.push(e),o.activeColorsPosDiff.push(e)}),this.activetransitionSpeed=this.states[this.activeState].transitionSpeed||5e3,void(this.isCurrentColorsSet=!0))}},{}],28:[function(t,e,i){"use strict";function s(t,e){return t.indexOf("%")>-1?e/100*parseInt(t.split("%")[0],10):parseInt(t.split("px")[0],10)}e.exports=function(){var t=this.context;switch(this.direction){case"diagonal":return t.createLinearGradient(0,0,this.x1,this.y1);case"left-right":return t.createLinearGradient(0,0,this.x1,0);case"top-bottom":return t.createLinearGradient(this.x1/2,0,this.x1/2,this.y1);case"radial":return t.createRadialGradient(this.x1/2,this.y1/2,this.x1/2,this.x1/2,this.y1/2,0);case"custom":return t.createLinearGradient(s(this.customDirection.x0,this.x1),s(this.customDirection.y0,this.y1),s(this.customDirection.x1,this.x1),s(this.customDirection.y1,this.y1))}}},{}],29:[function(t,e,i){"use strict";e.exports=function(){this.getDimensions(),this.canvas.setAttribute("width",this.x1),this.canvas.setAttribute("height",this.y1),this.image&&this.prepareImage(),this.refreshColorsAndPos()}},{}],30:[function(t,e,i){"use strict";e.exports=function(t){var e="https://sarcadass.github.io/granim.js/api.html";throw new Error('Granim: Input error on "'+t+'" option.\nCheck the API '+e+".")}},{}],31:[function(t,e,i){"use strict";function s(t){for(var e,i=!0,s=0;i&&s<t.length;){if(e=t[s],"string"!=typeof e)i=!1;else{var o=null,n=null;e.indexOf("px")!==-1&&(n="px"),e.indexOf("%")!==-1&&(n="%"),o=e.split(n).filter(function(t){return t.length>0}),(!n||o.length>2||!o[0]||o[1]||!/^-?\d+\.?\d*$/.test(o[0]))&&(i=!1)}s++}return i}e.exports=function(t){var e=["left","center","right"],i=["top","center","bottom"],o=["none","stretch","stretch-if-smaller","stretch-if-bigger"],n=["multiply","screen","normal","overlay","darken","lighten","lighter","color-dodge","color-burn","hard-light","soft-light","difference","exclusion","hue","saturation","color","luminosity"],r=["diagonal","left-right","top-bottom","radial","custom"];switch(t){case"image":Array.isArray(this.image.position)&&2===this.image.position.length&&e.indexOf(this.image.position[0])!==-1&&i.indexOf(this.image.position[1])!==-1||this.triggerError("image.position"),this.image.stretchMode&&(Array.isArray(this.image.stretchMode)&&2===this.image.stretchMode.length&&o.indexOf(this.image.stretchMode[0])!==-1&&o.indexOf(this.image.stretchMode[1])!==-1||this.triggerError("image.stretchMode"));break;case"blendingMode":n.indexOf(this.image.blendingMode)===-1&&(this.clear(),this.triggerError("blendingMode"));break;case"direction":r.indexOf(this.direction)===-1?this.triggerError("direction"):"custom"===this.direction&&(s([this.customDirection.x0,this.customDirection.x1,this.customDirection.y0,this.customDirection.y1])||this.triggerError("customDirection"))}}},{}],32:[function(t,e,i){window.Granim=t("./lib/Granim.js")},{"./lib/Granim.js":1}]},{},[32]);

functions.php

// Register home-hero widget area.
genesis_register_widget_area(
    array(
        'id'          => 'home-hero',
        'name'        => __( 'Home Hero', 'my-theme-text-domain' ),
        'description' => __( 'This is the hero widget area appearing below header on front page.', 'my-theme-text-domain' ),
    )
);

add_action( 'genesis_after_header', 'sk_home_hero' );
/**
 * Display Home Hero widget area below header on front page.
 */
function sk_home_hero() {
    // if this is not the front page, abort.
    if ( ! is_front_page() ) {
        return;
    }

    genesis_widget_area( 'home-hero', array(
        'before'    => '<div class="home-hero widget-area"><canvas id="hero-gradient"></canvas><div class="wrap">',
        'after'     => '</div></div>',
    ) );
}

add_action( 'wp_enqueue_scripts', 'sk_enqueue_granim' );
/**
 * Enqueue and initialize Granim.
 */
function sk_enqueue_granim() {
    wp_enqueue_script( 'granim', get_stylesheet_directory_uri() . '/js/granim.min.js', '', '1.0.6', true );

    wp_enqueue_script( 'granim-init', get_stylesheet_directory_uri() . '/js/granim-init.js', array( 'granim' ), '1.0.0', true );
}

style.css

.home-hero {
    position: relative;
    padding: 100px 0;
    color: #fff;
    text-align: center;
}

#hero-gradient {
    position: absolute;
    display: block;
    width: 100%;
    height: 100%;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
}

.home-hero .wrap {
    position: relative;
    z-index: 20;
    max-width: 800px;
}

.home-hero .widget-title {
    font-size: 30px;
    margin-bottom: 40px;
}

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