hexo-theme-kratos-rebirth/source/js/candy.min.js

A transplanted theme for Hexo, with many new features built with love.

"use strict";function _typeof(t){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t},_typeof(t)}function ownKeys(t,e){var i=Object.keys(t);if(Object.getOwnPropertySymbols){var n=Object.getOwnPropertySymbols(t);e&&(n=n.filter((function(e){return Object.getOwnPropertyDescriptor(t,e).enumerable}))),i.push.apply(i,n)}return i}function _objectSpread(t){for(var e=1;e<arguments.length;e++){var i=null!=arguments[e]?arguments[e]:{};e%2?ownKeys(Object(i),!0).forEach((function(e){_defineProperty(t,e,i[e])})):Object.getOwnPropertyDescriptors?Object.defineProperties(t,Object.getOwnPropertyDescriptors(i)):ownKeys(Object(i)).forEach((function(e){Object.defineProperty(t,e,Object.getOwnPropertyDescriptor(i,e))}))}return t}function _defineProperty(t,e,i){return(e=_toPropertyKey(e))in t?Object.defineProperty(t,e,{value:i,enumerable:!0,configurable:!0,writable:!0}):t[e]=i,t}function _classCallCheck(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function _defineProperties(t,e){for(var i=0;i<e.length;i++){var n=e[i];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,_toPropertyKey(n.key),n)}}function _createClass(t,e,i){return e&&_defineProperties(t.prototype,e),i&&_defineProperties(t,i),Object.defineProperty(t,"prototype",{writable:!1}),t}function _toPropertyKey(t){var e=_toPrimitive(t,"string");return"symbol"==_typeof(e)?e:String(e)}function _toPrimitive(t,e){if("object"!=_typeof(t)||!t)return t;var i=t[Symbol.toPrimitive];if(void 0!==i){var n=i.call(t,e||"default");if("object"!=_typeof(n))return n;throw new TypeError("@@toPrimitive must return a primitive value.")}return("string"===e?String:Number)(t)}var Circle=function(){function t(e){var i=e.origin,n=e.speed,r=e.color,o=e.angle,s=e.context;_classCallCheck(this,t),this.origin=i,this.position=_objectSpread({},this.origin),this.color=r,this.speed=n,this.angle=o,this.context=s,this.renderCount=0}return _createClass(t,[{key:"draw",value:function(){this.context.fillStyle=this.color,this.context.beginPath(),this.context.arc(this.position.x,this.position.y,2,0,2*Math.PI),this.context.fill()}},{key:"move",value:function(){this.position.x=Math.sin(this.angle)*this.speed+this.position.x,this.position.y=Math.cos(this.angle)*this.speed+this.position.y+.3*this.renderCount,this.renderCount++}}]),t}(),Boom=function(){function t(e){var i=e.origin,n=e.context,r=e.circleCount,o=void 0===r?10:r,s=e.area;_classCallCheck(this,t),this.origin=i,this.context=n,this.circleCount=o,this.area=s,this.stop=!1,this.circles=[]}return _createClass(t,[{key:"randomArray",value:function(t){var e=t.length;return t[Math.floor(e*Math.random())]}},{key:"randomColor",value:function(){var t=["8","9","A","B","C","D","E","F"];return"#"+this.randomArray(t)+this.randomArray(t)+this.randomArray(t)+this.randomArray(t)+this.randomArray(t)+this.randomArray(t)}},{key:"randomRange",value:function(t,e){return(e-t)*Math.random()+t}},{key:"init",value:function(){for(var t=0;t<this.circleCount;t++){var e=new Circle({context:this.context,origin:this.origin,color:this.randomColor(),angle:this.randomRange(Math.PI-1,Math.PI+1),speed:this.randomRange(1,6)});this.circles.push(e)}}},{key:"move",value:function(){var t=this;this.circles.forEach((function(e,i){if(e.position.x>t.area.width||e.position.y>t.area.height)return t.circles.splice(i,1);e.move()})),0==this.circles.length&&(this.stop=!0)}},{key:"draw",value:function(){this.circles.forEach((function(t){return t.draw()}))}}]),t}(),CursorSpecialEffects=function(){function t(){_classCallCheck(this,t),this.computerCanvas=document.createElement("canvas"),this.renderCanvas=document.createElement("canvas"),this.computerContext=this.computerCanvas.getContext("2d"),this.renderContext=this.renderCanvas.getContext("2d"),this.globalWidth=window.innerWidth,this.globalHeight=window.innerHeight,this.booms=[],this.running=!1}return _createClass(t,[{key:"handleMouseDown",value:function(t){var e=new Boom({origin:{x:t.clientX,y:t.clientY},context:this.computerContext,area:{width:this.globalWidth,height:this.globalHeight}});e.init(),this.booms.push(e),this.running||this.run()}},{key:"handlePageHide",value:function(){this.booms=[],this.running=!1}},{key:"init",value:function(){var t=this.renderCanvas.style;t.position="fixed",t.top=t.left=0,t.zIndex="999999999999999999999999999999999999999999",t.pointerEvents="none",t.width=this.renderCanvas.width=this.computerCanvas.width=this.globalWidth,t.height=this.renderCanvas.height=this.computerCanvas.height=this.globalHeight,document.body.append(this.renderCanvas),window.addEventListener("mousedown",this.handleMouseDown.bind(this)),window.addEventListener("pagehide",this.handlePageHide.bind(this))}},{key:"run",value:function(){var t=this;if(this.running=!0,0==this.booms.length)return this.running=!1;requestAnimationFrame(this.run.bind(this)),this.computerContext.clearRect(0,0,this.globalWidth,this.globalHeight),this.renderContext.clearRect(0,0,this.globalWidth,this.globalHeight),this.booms.forEach((function(e,i){if(e.stop)return t.booms.splice(i,1);e.move(),e.draw()})),this.renderContext.drawImage(this.computerCanvas,0,0,this.globalWidth,this.globalHeight)}}]),t}(),cursorSpecialEffects=new CursorSpecialEffects;cursorSpecialEffects.init();
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