IsItJasonsBirthday/confetti.js

!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):(e=e||self).ConfettiGenerator=t()}(this,function(){"use strict";return function(e){var i={target:"confetti-holder",max:80,size:1,animate:!0,props:["circle","square","triangle","line"],colors:[[165,104,246],[230,61,135],[0,199,228],[253,214,126]],clock:25,interval:null,rotate:!1,width:window.innerWidth,height:window.innerHeight};e&&(e.target&&(i.target=e.target),e.max&&(i.max=e.max),e.size&&(i.size=e.size),null!=e.animate&&(i.animate=e.animate),e.props&&(i.props=e.props),e.colors&&(i.colors=e.colors),e.clock&&(i.clock=e.clock),e.width&&(i.width=e.width),e.height&&(i.height=e.height),null!=e.rotate&&(i.rotate=e.rotate));var t=document.getElementById(i.target),a=t.getContext("2d"),r=[];function o(e,t){e||(e=1);var r=Math.random()*e;return t?Math.floor(r):r}var n=i.props.reduce(function(e,t){return e+(t.weight||1)},0);function s(){var e=i.props[function(){for(var e=Math.random()*n,t=0;t<i.props.length;++t){var r=i.props[t].weight||1;if(e<r)return t;e-=r}}()];return{prop:e.type?e.type:e,x:o(i.width),y:o(i.height),src:e.src,radius:o(4)+1,size:e.size,rotate:i.rotate,line:Math.floor(o(65)-30),angles:[o(10,!0)+2,o(10,!0)+2,o(10,!0)+2,o(10,!0)+2],color:i.colors[o(i.colors.length,!0)],rotation:o(360,!0)*Math.PI/180,speed:o(i.clock/7)+i.clock/30}}function l(e){switch(a.fillStyle=a.strokeStyle="rgba("+e.color+", "+(3<e.radius?.8:.4)+")",a.beginPath(),e.prop){case"circle":a.moveTo(e.x,e.y),a.arc(e.x,e.y,e.radius*i.size,0,2*Math.PI,!0),a.fill();break;case"triangle":a.moveTo(e.x,e.y),a.lineTo(e.x+e.angles[0]*i.size,e.y+e.angles[1]*i.size),a.lineTo(e.x+e.angles[2]*i.size,e.y+e.angles[3]*i.size),a.closePath(),a.fill();break;case"line":a.moveTo(e.x,e.y),a.lineTo(e.x+e.line*i.size,e.y+5*e.radius),a.lineWidth=2*i.size,a.stroke();break;case"square":a.save(),a.translate(e.x+15,e.y+5),a.rotate(e.rotation),a.fillRect(-15*i.size,-5*i.size,15*i.size,5*i.size),a.restore();break;case"svg":a.save();var t=new Image;t.src=e.src;var r=e.size||15;a.translate(e.x+r/2,e.y+r/2),e.rotate&&a.rotate(e.rotation),a.drawImage(t,-r/2*i.size,-r/2*i.size,r*i.size,r*i.size),a.restore()}}return{render:function(){t.width=i.width,t.height=i.height,r=[];for(var e=0;e<i.max;e++)r.push(s());return requestAnimationFrame(function e(){for(var t in a.clearRect(0,0,i.width,i.height),r)l(r[t]);!function(){for(var e=0;e<i.max;e++){var t=r[e];i.animate&&(t.y+=t.speed),t.rotate&&(t.rotation+=t.speed/35),(0<=t.speed&&i.height<t.y||t.speed<0&&t.y<0)&&(r[e]=t,r[e].x=o(i.width,!0),r[e].y=t.speed<0?parseFloat(i.height):-10)}}(),i.animate&&requestAnimationFrame(e)})},clear:function(){i.animate=!1,clearInterval(i.interval),requestAnimationFrame(function(){a.clearRect(0,0,t.width,t.height);var e=t.width;t.width=1,t.width=e})}}}});