halo-theme-dream2.0-plus/templates/assets/js/cursor/move/fairyDustCursor.min.js

!function(){let e=["#D61C59","#E7D84B","#1B8798"],t=document.body,i=window.innerWidth,n=window.innerHeight;const o={x:i/2,y:i/2},h={x:i/2,y:i/2},a=[],s=[];let l,c;function d(e){if(0<e.touches.length)for(let t=0;t<e.touches.length;t++)r(e.touches[t].clientX,e.touches[t].clientY,s[Math.floor(Math.random()*s.length)])}function r(t,e,i){a.push(new u(t,e,i))}function u(t,e,i){var n=Math.floor(30*Math.random()+60);this.initialLifeSpan=n,this.lifeSpan=n,this.velocity={x:(Math.random()<.5?-1:1)*(Math.random()/2),y:.7*Math.random()+.9},this.position={x:t,y:e},this.canv=i,this.update=function(t){this.position.x+=this.velocity.x,this.position.y+=this.velocity.y,this.lifeSpan--,this.velocity.y+=.02;var e=Math.max(this.lifeSpan/this.initialLifeSpan,0);t.drawImage(this.canv,this.position.x-this.canv.width/2*e,this.position.y-this.canv.height/2,this.canv.width*e,this.canv.height*e)}}l=document.createElement("canvas"),c=l.getContext("2d"),l.style.top="0px",l.style.left="0px",l.style.pointerEvents="none",l.style.position="fixed",t.appendChild(l),l.width=i,l.height=n,c.font="21px serif",c.textBaseline="middle",c.textAlign="center",e.forEach(t=>{var e=c.measureText("*"),i=document.createElement("canvas"),n=i.getContext("2d");i.width=e.width,i.height=e.actualBoundingBoxAscent+e.actualBoundingBoxDescent,n.fillStyle=t,n.textAlign="center",n.font="21px serif",n.textBaseline="middle",n.fillText("*",i.width/2,e.actualBoundingBoxAscent),s.push(i)}),t.addEventListener("mousemove",function(t){window.requestAnimationFrame(()=>{o.x=t.clientX,o.y=t.clientY,1.5<Math.hypot(o.x-h.x,o.y-h.y)&&(r(o.x,o.y,s[Math.floor(Math.random()*e.length)]),h.x=o.x,h.y=o.y)})}),t.addEventListener("touchmove",d,{passive:!0}),t.addEventListener("touchstart",d,{passive:!0}),window.addEventListener("resize",function(t){i=window.innerWidth,n=window.innerHeight,l.width=i,l.height=n}),function t(){c.clearRect(0,0,i,n);for(let t=0;t<a.length;t++)a[t].update(c);for(let t=a.length-1;0<=t;t--)a[t].lifeSpan<0&&a.splice(t,1);requestAnimationFrame(t)}()}();