vue-luck-draw/dist/vue-luck-draw.umd.min.js

一个支持 vue2 / vue3 的（大转盘抽奖 / 九宫格抽奖）luckydraw 插件

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/*! *****************************************************************************
Copyright (c) Microsoft Corporation.

Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
***************************************************************************** */
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i.blocks=[],i.prizes=[],i.buttons=[],i.defaultConfig={},i._defaultConfig={gutter:"0px",offsetDegree:0,speed:20,speedFunction:"quad",accelerationTime:2500,decelerationTime:2500,stopRange:.8},i.defaultStyle={},i._defaultStyle={fontSize:"18px",fontColor:"#000",fontStyle:"sans-serif",fontWeight:"400",lineHeight:"",background:"rgba(0,0,0,0)",wordWrap:!0,lengthLimit:"90%"},i.Radius=0,i.prizeRadius=0,i.prizeDeg=0,i.prizeRadian=0,i.rotateDeg=0,i.maxBtnRadius=0,i.startTime=0,i.endTime=0,i.stopDeg=0,i.endDeg=0,i.FPS=16.6,i.blockImgs=[[]],i.prizeImgs=[[]],i.btnImgs=[[]],e.ob&&(i.initData(n),i.initWatch()),i.initComputed(),null===(r=e.beforeCreate)||void 0===r||r.call(i),i.init({blockImgs:i.blocks.map((function(t){return t.imgs})),prizeImgs:i.prizes.map((function(t){return t.imgs})),btnImgs:i.buttons.map((function(t){return t.imgs}))}),i}return i(e,t),e.prototype.initData=function(t){this.$set(this,"blocks",t.blocks||[]),this.$set(this,"prizes",t.prizes||[]),this.$set(this,"buttons",t.buttons||[]),this.$set(this,"defaultConfig",t.defaultConfig||{}),this.$set(this,"defaultStyle",t.defaultStyle||{}),this.$set(this,"startCallback",t.start),this.$set(this,"endCallback",t.end)},e.prototype.initComputed=function(){var t=this;this.$computed(this,"_defaultConfig",(function(){return o({gutter:"0px",offsetDegree:0,speed:20,speedFunction:"quad",accelerationTime:2500,decelerationTime:2500,stopRange:.8},t.defaultConfig)})),this.$computed(this,"_defaultStyle",(function(){return o({fontSize:"18px",fontColor:"#000",fontStyle:"sans-serif",fontWeight:"400",background:"rgba(0,0,0,0)",wordWrap:!0,lengthLimit:"90%"},t.defaultStyle)}))},e.prototype.initWatch=function(){var t=this;this.$watch("blocks",(function(e){return t.init({blockImgs:e.map((function(t){return t.imgs}))})}),{deep:!0}),this.$watch("prizes",(function(e){return t.init({prizeImgs:e.map((function(t){return t.imgs}))})}),{deep:!0}),this.$watch("buttons",(function(e){return t.init({btnImgs:e.map((function(t){return t.imgs}))})}),{deep:!0}),this.$watch("defaultConfig",(function(){return t.draw()}),{deep:!0}),this.$watch("defaultStyle",(function(){return t.draw()}),{deep:!0}),this.$watch("startCallback",(function(){return t.init({})})),this.$watch("endCallback",(function(){return t.init({})}))},e.prototype.init=function(e){var n,r,i=this;t.prototype.init.call(this);var o=this.config,a=this.ctx;this.Radius=Math.min(this.boxWidth,this.boxHeight)/2,null===(n=o.beforeInit)||void 0===n||n.call(this),a.translate(this.Radius,this.Radius),this.draw(),this.draw(),Object.keys(e).forEach((function(t){var n=t,r={blockImgs:"blocks",prizeImgs:"prizes",btnImgs:"buttons"}[n],o=e[n];o&&o.forEach((function(t,e){t&&t.forEach((function(t,o){i.loadAndCacheImg(r,e,n,o,(function(){i.draw()}))}))}))})),null===(r=o.afterInit)||void 0===r||r.call(this)},e.prototype.handleClick=function(t){var e,n=this.ctx;n.beginPath(),n.arc(0,0,this.maxBtnRadius,0,2*Math.PI,!1),n.isPointInPath(t.offsetX,t.offsetY)&&(this.startTime||null===(e=this.startCallback)||void 0===e||e.call(this,t))},e.prototype.loadAndCacheImg=function(t,e,n,r,i){return a(this,void 0,void 0,(function(){var o,a,u=this;return c(this,(function(c){return(o=this[t][e])&&o.imgs&&(a=o.imgs[r])?(this[n][e]||(this[n][e]=[]),this.loadImg(a.src,a).then((function(t){u[n][e][r]=t,i.call(u)})).catch((function(n){console.error(t+"["+e+"].imgs["+r+"] "+n)})),[2]):[2]}))}))},e.prototype.computedWidthAndHeight=function(t,e,n,r){if(!e.width&&!e.height)return[t.width,t.height];if(e.width&&!e.height){var i=this.getWidth(e.width,n);return[i,t.height*(i/t.width)]}if(!e.width&&e.height){var o=this.getHeight(e.height,r);return[t.width*(o/t.height),o]}return[this.getWidth(e.width,n),this.getHeight(e.height,r)]},e.prototype.draw=function(){var t,e,n=this,r=this,i=r.config,o=r.ctx,a=r._defaultConfig,c=r._defaultStyle;null===(t=i.beforeDraw)||void 0===t||t.call(this,o),o.clearRect(-this.Radius,-this.Radius,2*this.Radius,2*this.Radius),this.prizeRadius=this.blocks.reduce((function(t,e,r){return l(e.background)&&(o.beginPath(),o.fillStyle=e.background,o.arc(0,0,t,0,2*Math.PI,!1),o.fill()),e.imgs&&e.imgs.forEach((function(e,i){if(n.blockImgs[r]){var a=n.blockImgs[r][i];if(a){var c=n.computedWidthAndHeight(a,e,2*t,2*t),u=c[0],s=c[1],f=[n.getOffsetX(u),n.getHeight(e.top,2*t)-t],l=f[0],h=f[1];o.save(),e.rotate&&o.rotate(k(n.rotateDeg)),n.drawImage(a,l,h,u,s),o.restore()}}})),t-n.getLength(e.padding&&e.padding.split(" ")[0])}),this.Radius),this.prizeDeg=360/this.prizes.length,this.prizeRadian=k(this.prizeDeg);var u=k(-90+this.rotateDeg+a.offsetDegree),s=function(t){return n.getOffsetX(o.measureText(t).width)},h=function(t,e,r){var i=t.lineHeight||c.lineHeight||t.fontSize||c.fontSize;return n.getHeight(t.top,e)+(r+1)*n.getLength(i)};o.save(),this.prizes.forEach((function(t,e){var r=u+e*n.prizeRadian,d=n.prizeRadius-n.maxBtnRadius,p=t.background||c.background;l(p)&&function(t,e,n,r,i,o,a,c){a?T(t,e,n,r,i,o,a,c):(e.beginPath(),e.fillStyle=c,e.moveTo(0,0),e.arc(0,0,r,i,o,!1),e.closePath(),e.fill())}(i.flag,o,n.maxBtnRadius,n.prizeRadius,r-n.prizeRadian/2,r+n.prizeRadian/2,n.getLength(a.gutter),p);var g=Math.cos(r)*n.prizeRadius,v=Math.sin(r)*n.prizeRadius;o.translate(g,v),o.rotate(r+k(90)),t.imgs&&t.imgs.forEach((function(t,r){if(n.prizeImgs[e]){var i=n.prizeImgs[e][r];if(i){var o=n.computedWidthAndHeight(i,t,n.prizeRadian*n.prizeRadius,d),a=o[0],c=o[1],u=[n.getOffsetX(a),n.getHeight(t.top,d)],s=u[0],f=u[1];n.drawImage(i,s,f,a,c)}}})),t.fonts&&t.fonts.forEach((function(t){var e=t.fontColor||c.fontColor,r=t.fontWeight||c.fontWeight,i=n.getLength(t.fontSize||c.fontSize),u=t.fontStyle||c.fontStyle;o.fillStyle=e,o.font=r+" "+(i>>0)+"px "+u;var l=[],p=String(t.text);if(Object.prototype.hasOwnProperty.call(t,"wordWrap")?t.wordWrap:c.wordWrap){p=f(p);for(var g="",v=0;v<p.length;v++){g+=p[v];var b=o.measureText(g).width,y=(n.prizeRadius-h(t,d,l.length))*Math.tan(n.prizeRadian/2)*2-n.getLength(a.gutter);b>n.getWidth(t.lengthLimit||c.lengthLimit,y)&&(l.push(g.slice(0,-1)),g=p[v])}g&&l.push(g),l.length||l.push(p)}else l=p.split("\n");l.filter((function(t){return!!t})).forEach((function(e,n){o.fillText(e,s(e),h(t,d,n))}))})),o.rotate(k(360)-r-k(90)),o.translate(-g,-v)})),o.restore(),this.buttons.forEach((function(t,e){var r=n.getHeight(t.radius);n.maxBtnRadius=Math.max(n.maxBtnRadius,r),l(t.background)&&(o.beginPath(),o.fillStyle=t.background,o.arc(0,0,r,0,2*Math.PI,!1),o.fill()),t.pointer&&l(t.background)&&(o.beginPath(),o.fillStyle=t.background,o.moveTo(-r,0),o.lineTo(r,0),o.lineTo(0,2*-r),o.closePath(),o.fill()),t.imgs&&t.imgs.forEach((function(t,i){if(n.btnImgs[e]){var o=n.btnImgs[e][i];if(o){var a=n.computedWidthAndHeight(o,t,2*r,2*r),c=a[0],u=a[1],s=[n.getOffsetX(c),n.getHeight(t.top,r)],f=s[0],l=s[1];n.drawImage(o,f,l,c,u)}}})),t.fonts&&t.fonts.forEach((function(t){var e=t.fontColor||c.fontColor,i=t.fontWeight||c.fontWeight,a=n.getLength(t.fontSize||c.fontSize),u=t.fontStyle||c.fontStyle;o.fillStyle=e,o.font=i+" "+(a>>0)+"px "+u,String(t.text).split("\n").forEach((function(e,n){o.fillText(e,s(e),h(t,r,n))}))}))})),null===(e=i.afterDraw)||void 0===e||e.call(this,o)},e.prototype.play=function(){this.startTime||(this.startTime=Date.now(),this.prizeFlag=void 0,this.run())},e.prototype.stop=function(t){this.prizeFlag=t<0?-1:t%this.prizes.length,-1===this.prizeFlag&&(this.rotateDeg=this.prizeDeg/2-this._defaultConfig.offsetDegree,this.draw())},e.prototype.run=function(t){void 0===t&&(t=0);var e=this,n=e.rAF,r=e.prizeFlag,i=e.prizeDeg,o=e.rotateDeg,a=e._defaultConfig,c=Date.now()-this.startTime;if(c>=a.accelerationTime&&void 0!==r){this.FPS=c/t,this.endTime=Date.now(),this.stopDeg=o;for(var u=(Math.random()*i-i/2)*this.getLength(a.stopRange),s=0;++s;){var f=360*s-r*i-o-a.offsetDegree+u;if($[a.speedFunction].easeOut(this.FPS,this.stopDeg,f,a.decelerationTime)-this.stopDeg>a.speed){this.endDeg=f;break}}return this.slowDown()}this.rotateDeg=(o+$[a.speedFunction].easeIn(c,0,a.speed,a.accelerationTime))%360,this.draw(),n(this.run.bind(this,t+1))},e.prototype.slowDown=function(){var t,e=this,n=e.rAF,r=e.prizes,i=e.prizeFlag,a=e.stopDeg,c=e.endDeg,u=e._defaultConfig,s=Date.now()-this.endTime;if(-1!==i){if(s>=u.decelerationTime)return this.startTime=0,void(null===(t=this.endCallback)||void 0===t||t.call(this,o({},r.find((function(t,e){return e===i})))));this.rotateDeg=$[u.speedFunction].easeOut(s,a,c,u.decelerationTime)%360,this.draw(),n(this.slowDown.bind(this))}else this.startTime=0},e.prototype.getWidth=function(t,e){return void 0===e&&(e=this.prizeRadian*this.prizeRadius),s(t,"number")?t:s(t,"string")?this.changeUnits(t,e):0},e.prototype.getHeight=function(t,e){return void 0===e&&(e=this.prizeRadius),s(t,"number")?t:s(t,"string")?this.changeUnits(t,e):0},e.prototype.getOffsetX=function(t){return-t/2},e.prototype.conversionAxis=function(t,e){var n=this.config;return[t/n.dpr-this.Radius,e/n.dpr-this.Radius]},e}(S),L=function(t){function e(e,n){var r;void 0===n&&(n={});var i=t.call(this,e)||this;i.rows=3,i.cols=3,i.blocks=[],i.prizes=[],i.buttons=[],i.defaultConfig={},i._defaultConfig={gutter:5,speed:20,accelerationTime:2500,decelerationTime:2500},i.defaultStyle={},i._defaultStyle={borderRadius:20,fontColor:"#000",fontSize:"18px",fontStyle:"sans-serif",fontWeight:"400",lineHeight:"",background:"rgba(0,0,0,0)",shadow:"",wordWrap:!0,lengthLimit:"90%"},i.activeStyle={},i._activeStyle={background:"#ffce98",shadow:"",fontStyle:"",fontWeight:"",fontSize:"",lineHeight:"",fontColor:""},i.cellWidth=0,i.cellHeight=0,i.startTime=0,i.endTime=0,i.currIndex=0,i.stopIndex=0,i.endIndex=0,i.demo=!1,i.timer=0,i.FPS=16.6,i.prizeFlag=-1,i.cells=[],i.blockImgs=[[]],i.btnImgs=[[]],i.prizeImgs=[],e.ob&&(i.initData(n),i.initWatch()),i.initComputed(),null===(r=e.beforeCreate)||void 0===r||r.call(i);var o=i.buttons.map((function(t){return t.imgs}));return i.button&&o.push(i.button.imgs),i.init({blockImgs:i.blocks.map((function(t){return t.imgs})),prizeImgs:i.prizes.map((function(t){return t.imgs})),btnImgs:o}),i}return i(e,t),e.prototype.initData=function(t){this.$set(this,"rows",Number(t.rows)||3),this.$set(this,"cols",Number(t.cols)||3),this.$set(this,"blocks",t.blocks||[]),this.$set(this,"prizes",t.prizes||[]),this.$set(this,"buttons",t.buttons||[]),this.$set(this,"button",t.button),this.$set(this,"defaultConfig",t.defaultConfig||{}),this.$set(this,"defaultStyle",t.defaultStyle||{}),this.$set(this,"activeStyle",t.activeStyle||{}),this.$set(this,"startCallback",t.start),this.$set(this,"endCallback",t.end)},e.prototype.initComputed=function(){var t=this;this.$computed(this,"_defaultConfig",(function(){var e=o({gutter:5,speed:20,accelerationTime:2500,decelerationTime:2500},t.defaultConfig);return e.gutter=t.getLength(e.gutter),e.speed=e.speed/40,e})),this.$computed(this,"_defaultStyle",(function(){return o({borderRadius:20,fontColor:"#000",fontSize:"18px",fontStyle:"sans-serif",fontWeight:"400",background:"rgba(0,0,0,0)",shadow:"",wordWrap:!0,lengthLimit:"90%"},t.defaultStyle)})),this.$computed(this,"_activeStyle",(function(){return o({background:"#ffce98",shadow:""},t.activeStyle)}))},e.prototype.initWatch=function(){var t=this;this.$watch("blocks",(function(e){return t.init({blockImgs:e.map((function(t){return t.imgs}))})}),{deep:!0}),this.$watch("prizes",(function(e){return t.init({prizeImgs:e.map((function(t){return t.imgs}))})}),{deep:!0}),this.$watch("buttons",(function(e){var n=e.map((function(t){return t.imgs}));return t.button&&n.push(t.button.imgs),t.init({btnImgs:n})}),{deep:!0}),this.$watch("button",(function(){var e=t.buttons.map((function(t){return t.imgs}));return t.button&&e.push(t.button.imgs),t.init({btnImgs:e})}),{deep:!0}),this.$watch("rows",(function(){return t.init({})})),this.$watch("cols",(function(){return t.init({})})),this.$watch("defaultConfig",(function(){return t.draw()}),{deep:!0}),this.$watch("defaultStyle",(function(){return t.draw()}),{deep:!0}),this.$watch("activeStyle",(function(){return t.draw()}),{deep:!0}),this.$watch("startCallback",(function(){return t.init({})})),this.$watch("endCallback",(function(){return t.init({})}))},e.prototype.init=function(e){var n,r,i=this;t.prototype.init.call(this);var o=this,a=o.config;o.ctx,o.button,null===(n=a.beforeInit)||void 0===n||n.call(this),this.draw(),Object.keys(e).forEach((function(t){var n=t,r=e[n],o={blockImgs:"blocks",prizeImgs:"prizes",btnImgs:"buttons"}[n];r&&r.forEach((function(t,e){t&&t.forEach((function(t,r){i.loadAndCacheImg(o,e,n,r,(function(){i.draw()}))}))}))})),null===(r=a.afterInit)||void 0===r||r.call(this)},e.prototype.handleClick=function(t){var e=this,n=this.ctx;u(this.buttons,[this.button]).forEach((function(r){var i;if(r){var o=e.getGeometricProperty([r.x,r.y,r.col||1,r.row||1]),a=o[0],c=o[1],u=o[2],s=o[3];n.beginPath(),n.rect(a,c,u,s),n.isPointInPath(t.offsetX,t.offsetY)&&(e.startTime||null===(i=e.startCallback)||void 0===i||i.call(e,t))}}))},e.prototype.loadAndCacheImg=function(t,e,n,r,i){return a(this,void 0,void 0,(function(){var o,a,u,s=this;return c(this,(function(c){return o=this[t][e],"buttons"===t&&!this.buttons.length&&this.button&&(o=this.button),o&&o.imgs&&(a=o.imgs[r])?(this[n][e]||(this[n][e]=[]),u=[this.loadImg(a.src,a),a.activeSrc&&this.loadImg(a.activeSrc,a,"$activeResolve")],Promise.all(u).then((function(t){var o=t[0],a=t[1];s[n][e][r]={defaultImg:o,activeImg:a},i.call(s)})).catch((function(n){console.error(t+"["+e+"].imgs["+r+"] "+n)})),[2]):[2]}))}))},e.prototype.computedWidthAndHeight=function(t,e,n){if(!e.width&&!e.height)return[t.width,t.height];if(e.width&&!e.height){var r=this.getWidth(e.width,n.col);return[r,t.height*(r/t.width)]}if(!e.width&&e.height){var i=this.getHeight(e.height,n.row);return[t.width*(i/t.height),i]}return[this.getWidth(e.width,n.col),this.getHeight(e.height,n.row)]},e.prototype.draw=function(){var t,e,n=this,r=this,i=r.config,o=r.ctx,a=r._defaultConfig,c=r._defaultStyle,h=r._activeStyle;null===(t=i.beforeDraw)||void 0===t||t.call(this,o),o.clearRect(0,0,this.boxWidth,this.boxHeight),this.cells=u(this.prizes,this.buttons),this.button&&this.cells.push(this.button),this.cells.forEach((function(t){t.col=t.col||1,t.row=t.row||1})),this.prizeArea=this.blocks.reduce((function(t,e){var r=t.x,i=t.y,a=t.w,u=t.h,f=function(t){var e,n=(null===(e=t.padding)||void 0===e?void 0:e.replace(/px/g,"").split(" ").map((function(t){return~~t})))||[0],r=0,i=0,o=0,a=0;switch(n.length){case 1:r=i=o=a=n[0];break;case 2:r=i=n[0],o=a=n[1];break;case 3:r=n[0],o=a=n[1],i=n[2];break;default:r=n[0],i=n[1],o=n[2],a=n[3]}var c={paddingTop:r,paddingBottom:i,paddingLeft:o,paddingRight:a};for(var u in 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