frontend/js/anamorph.js

let an_over;const w=window.innerWidth*1.5;const h=window.innerHeight*1.5;function fadeOutEffect(target){let fadeEffect=setInterval(function(){if(target.style.opacity>=0){target.style.opacity-=0.1}else{clearInterval(fadeEffect);target.remove()}},1)}function anamorph(props){let an_media=props.media;let an_overlay=props.overlay;let an_backup=props.backup;let an_end=props.end;let an_start=!props.random?props.start:Math.floor(Math.random()*an_end)+props.start;function fadeOutEffect(target){let fadeEffect=setInterval(function(){if(target.style.opacity>=0){target.style.opacity-=0.1}else{clearInterval(fadeEffect);target.remove()}},1)}const source='https://www.youtube.com/iframe_api';let script=document.createElement('script');let prior=document.getElementsByTagName('script')[0];script.async=1;script.onload=script.onreadystatechange=function(_,isAbort){if(isAbort||!script.readyState||/loaded|complete/.test(script.readyState)){script.onload=script.onreadystatechange=null;script=undefined}};script.src=source;prior.parentNode.insertBefore(script,prior);let isMobile=false;if(/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|ipad|iris|kindle|Android|Silk|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i.test(navigator.userAgent)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(navigator.userAgent.substr(0,4))){isMobile=true}let an_media_url=an_media.split('.');let an_media_id=an_media.split('/');let an_length=an_media_url.length-1;let an_yt_length=an_media_id.length-1;document.body.style.margin='0';document.body.background='#000';const an_style="z-index: -999; position: fixed; top: 50%; left: 50%; min-width: 100%; min-height: 100%; transform: translate(-50%, -50%); width=auto; height=auto";let an_wrapper=document.createElement('div');an_wrapper.id='an_wrapper';an_wrapper.style.zIndex='-997';document.body.prepend(an_wrapper);if(an_overlay){an_over=document.createElement('div');an_over.id='an_over';an_over.style.opacity='1';an_over.style.zIndex='-998';an_over.style.position='fixed';an_over.style.top='0';an_over.style.backgroundColor='#000';an_over.style.width='100%';an_over.style.height='100%';fadeOutEffect(an_over);an_over.addEventListener('loadeddata',fadeOutEffect(an_over));an_wrapper.appendChild(an_over);if(an_overlay=='bw'){an_wrapper.style.mixBlendMode='saturation'}else if(an_overlay>0){an_wrapper.style.opacity=an_overlay}}if(an_media.indexOf('youtube.com'||'youtu.be')!==-1&&isMobile==false){let an_youtube=document.createElement('div');an_youtube.id='an_ytplayer';an_youtube.width=w;an_youtube.height=h;an_youtube.setAttribute('style',an_style);an_wrapper.appendChild(an_youtube);window.onYouTubePlayerAPIReady=function(){let player=new YT.Player('an_ytplayer',{height:h,width:w,videoId:an_media_id[an_yt_length],playerVars:{autoplay:1,controls:0,showinfo:0,modestbranding:1,loop:1,fs:0,cc_load_policty:0,iv_load_policy:3,autohide:0,rel:0,disablekb:1,enablejsapi:1,fs:0,playsinline:0},events:{onReady:function(e){e.target.mute();player.seekTo(an_start)},onStateChange:function(e){if(e.data===YT.PlayerState.ENDED){player.playVideo()}if(e.data===YT.PlayerState.PLAYING){fadeOutEffect(an_over)}let checkTime=setInterval(function(){if(player.getCurrentTime()>=an_end){player.seekTo(an_start);clearInterval(checkTime)}},500)}}})}}else{if(an_media_url[an_length]=='mp4'&&isMobile==false){let an_video=document.createElement('video');an_video.setAttribute('style',an_style);an_video.id='an_video';an_video.muted=true;an_video.autoplay=true;an_video.loop=true;let source=document.createElement('source');source.src=an_media;source.setAttribute('type','video/mp4');an_over.addEventListener('playing',fadeOutEffect(an_over));an_video.appendChild(source);an_wrapper.appendChild(an_video)}else{let an_img=document.createElement('div');an_img.setAttribute('style',an_style);let img=document.createElement('img');img.setAttribute('style',an_style);if(an_media_url[an_length]=='jpg'||'gif'||'png'){an_img.id='an_media';img.src=an_media}else if(an_media_url[an_length]=='mp4'||an_media.indexOf('youtube.com'||'youtu.be')!==-1&&isMobile==true){if(!an_backup){console.error("You did not specify a backup image for mobile devices and tablets.");return}an_img.id='an_backup';img.src=an_backup}an_img.appendChild(img);an_wrapper.appendChild(an_img)}}}