多种按钮点击动画效果

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html

css

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html

css

@import url("https://fonts.googleapis.com/css?family=Montserrat&display=swap");
html, body {
  margin: 0px;
  background: #000;
}

.cbtn-wrap {
  overflow: hidden;
  text-align: center;
  margin-top: 50px;
}

#cbtn-title {
  position: relative;
  font-family: Montserrat;
  color: #fff;
  font-size: 24px;
  text-transform: uppercase;
  font-weight: 600;
  text-decoration: underline;
}

.cbtn-o {
  display: inline-block;
  position: relative;
}
.cbtn-o > .cbtn-i {
  position: relative;
  z-index: 3;
  cursor: pointer;
  margin: 40px 20px;
  padding: 10px 25px;
  border-radius: 100px;
  font-family: Montserrat;
  font-weight: 600;
  color: #fff;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  transition: 250ms cubic-bezier(0, 0.5, 0.5, 1);
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
.cbtn-o > .cbtn-i[data-mode="0"] {
  background: #e96651;
  box-shadow: 0px 0px 0px #e96651;
}
.cbtn-o > .cbtn-i[data-mode="0"]:hover {
  transform: scale(0.9);
  background: #efaf60;
  box-shadow: 0px 0px 30px #efaf60;
}
.cbtn-o > .cbtn-i[data-mode="0"]:active {
  transform: scale(1);
}
.cbtn-o > .cbtn-i[data-mode="1"] {
  background: #3770a0;
  box-shadow: 0px 0px 0px #3770a0;
}
.cbtn-o > .cbtn-i[data-mode="1"]:hover {
  transform: scale(0.9);
  background: #77b6ea;
  box-shadow: 0px 0px 20px #77b6ea;
}
.cbtn-o > .cbtn-i[data-mode="1"]:active {
  transform: scale(0.6);
}
.cbtn-o > .cbtn-i[data-mode="2"] {
  background: #30a254;
  box-shadow: 0px 0px 0px #30a254;
  transition: 350ms cubic-bezier(0, 0.5, 0.5, 1);
}
.cbtn-o > .cbtn-i[data-mode="2"]:hover {
  transform: scale(0.9);
  background: #51e980;
  box-shadow: 0px 0px 30px #51e980;
}
.cbtn-o > .cbtn-i[data-mode="2"]:active {
  transform: scale(0.9) rotateX(-360deg);
}
.cbtn-o > .cbtn-i[data-mode="3"] {
  background: #8e54ff;
  box-shadow: 0px 0px 0px #8e54ff;
}
.cbtn-o > .cbtn-i[data-mode="3"]:hover {
  transform: scale(0.9);
  background: #a93ee0;
  box-shadow: 0px 0px 30px #a93ee0;
}
.cbtn-o > .cbtn-i[data-mode="3"]:active {
  transform: scale(0.9) rotate(-360deg);
}
.cbtn-o > .cbtn-i[data-mode="4"] {
  background: #ff0000;
  box-shadow: 0px 0px 0px #ff0000;
}
.cbtn-o > .cbtn-i[data-mode="4"]:hover {
  transform: scale(0.9);
  background: #ff0000;
  box-shadow: 0px 0px 30px #ff0000;
}
.cbtn-o > .cbtn-i[data-mode="4"]:active {
  transition: none;
  filter: blur(7px);
  color: transparent;
}
.cbtn-o > canvas {
  position: absolute;
  z-index: 2;
  top: 0px;
  left: 0px;
}

.cbtn-nav {
  color: #fff;
  display: inline-block;
  position: relative;
  z-index: 1;
  font-size: 18px;
  padding: 10px;
  cursor: pointer;
  text-shadow: 2px 2px 4px #111;
}
.cbtn-nav#nav-next {
  margin-left: 20px;
}
.cbtn-nav#nav-next::before {
  left: 15px;
}
.cbtn-nav#nav-prev {
  margin-right: 20px;
}
.cbtn-nav#nav-prev::before {
  left: 17px;
}
.cbtn-nav:hover::before {
  width: 40px;
  height: 40px;
}
.cbtn-nav::before {
  content: "";
  position: absolute;
  border-radius: 100px;
  top: 20px;
  transform: translate(-50%, -50%);
  height: 0px;
  width: 0px;
  background: #333333;
  z-index: -1;
  transition: 150ms ease-in-out;
}

.next_anim {
  animation: next 600ms ease;
  pointer-events: none;
}

.prev_anim {
  animation: prev 600ms ease;
  pointer-events: none;
}

.info-wrap {
  font-family: Montserrat;
}
.info-wrap > .info-text {
  display: inline-block;
  color: #333333;
  width: 30%;
  max-width: 300px;
  padding: 15px;
  background: #ccc;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
}

@keyframes next {
  0% {
    left: 0px;
    opacity: 1;
  }
  50% {
    left: 300px;
    opacity: 0;
  }
  50.1% {
    left: -300px;
    opacity: 0;
  }
  100% {
    left: 0px;
    opacity: 1;
  }
}
@keyframes prev {
  0% {
    left: 0px;
    opacity: 1;
  }
  50% {
    left: -300px;
    opacity: 0;
  }
  50.1% {
    left: 300px;
    opacity: 0;
  }
  100% {
    left: 0px;
    opacity: 1;
  }
}
.social {
  position: absolute;
  bottom: 20px;
  left: 30px;
}
.social .icon {
  display: inline-block;
}
.social .icon:hover img {
  transform: scale(0.8);
}
.social .icon img {
  display: inline-block;
  height: 40px;
  width: 40px;
  position: relative;
  transition: 150ms cubic-bezier(0, 0.5, 0.5, 1);
}
.social .icon::before {
  content: "";
  position: absolute;
  border-radius: 100px;
  top: 20px;
  left: 20px;
  transform: translate(-50%, -50%);
  height: 0px;
  width: 0px;
  background: #333;
  z-index: -1;
  transition: 150ms cubic-bezier(0, 0.5, 0.5, 1);
}
.social .icon:hover::before {
  height: 50px;
  width: 50px;
}

JavaScript

window.onload = function(){

var canvas = document.createElement("canvas");
  var innerBtn = document.querySelector("#cbtn1 .cbtn-i");
  var outerBtn = document.getElementById("cbtn1");
  var nextBtn = document.getElementById("nav-next");
  var prevBtn = document.getElementById("nav-prev");
  var btnTitle = document.getElementById("cbtn-title");
  var tipText = document.querySelector(".info-wrap .info-text");
  outerBtn.appendChild(canvas);
  var ctx = canvas.getContext("2d");
  w = ctx.canvas.width = outerBtn.offsetWidth;
  h = ctx.canvas.height = outerBtn.offsetHeight;
  dots=[];
  hoverFlag = false;
  clickFlag = false;
  mode = 0;
  nt = 0;
  tip = 0;

tips = [
    "Stepping up your hover effects game!",
    "The spacing/canvas area around the button can be easily adjusted via CSS margin.",
    "Tested in IE and on various mobile devices.",
    "No libraries required!",
    "Imagine the endless possibilities :)",
    "In this case there is only one Button which is being controlled via JS.",
    "Using a black background for the best contrast.",
    "More effects coming soon..."
  ];

modeSets = [
    {
      name: "Fireflies",
      maxDots: 75,
      maxSpeed: 3,
      minSpeed: 1,
      emitRate: 10,
      emitNum: 2,
      radius: 2,
      trail: 0.2,
      maxTime: 1500,
      minTime: 750,
      glow: 10,
      hueMin: 15,
      hueMax: 55
    },
    {
      name: "Hyper Jump",
      maxDots: 100,
      maxSpeed: 3,
      minSpeed: 1,
      emitRate: 10,
      emitNum: 3,
      radius: 1.75,
      trail: 0.06,
      maxTime: 700,
      minTime: 300,
      glow: 7,
      hueMin: 170,
      hueMax: 230
    },
    {
      name: "Focus",
      maxDots: 75,
      maxSpeed: 2,
      minSpeed: 0.5,
      emitRate: 10,
      emitNum: 2,
      radius: 7,
      trail: 1,
      maxTime: 1000,
      minTime: 500,
      glow: 0,
      hueMin: 60,
      hueMax: 130
    },
    {
      name: "Vortex",
      maxDots: 150,
      maxSpeed: 2,
      minSpeed: -2,
      emitRate: 20,
      emitNum: 5,
      radius: 7,
      trail: 1,
      maxTime: 3000,
      minTime: 1500,
      glow: 0,
      hueMin: 260,
      hueMax: 330
    }
    ,
    {
      name: "Code Red",
      maxDots: 50,
      maxSpeed: 1,
      minSpeed: 0.3,
      emitRate: 20,
      emitNum: 1,
      radius: 1.7,
      trail: 1,
      maxTime: 3000,
      minTime: 1500,
      glow: 10,
      hueMin: 0,
      hueMax: 10
    }
  ]

function draw(){
    nt += 0.0005;
    ctx.fillStyle = "rgba(0,0,0,"+modeSets[mode].trail+")";
    ctx.fillRect(0,0,w,h);
    ctx.fill();
    for(var i=0; i<dots.length; i++){
      var pct = (Date.now()-dots[i].st)/dots[i].lt;

switch(mode){
        case 0:
          ctx.save();
          ctx.beginPath();
          ctx.fillStyle = "hsla("+dots[i].h+", 100%, 60%, "+(1-pct)+")";
          ctx.shadowColor = "hsla("+dots[i].h+", 100%, 60%, 1)";
          ctx.shadowBlur = modeSets[mode].glow;
          ctx.arc(dots[i].x, dots[i].y, Math.pow(modeSets[mode].radius,2)/dots[i].v, 0, Math.PI*2);
          ctx.fill();
          ctx.closePath();
          ctx.restore();

dots[i].x += dots[i].v * Math.cos(dots[i].d * Math.PI/180);
          dots[i].y += dots[i].v * Math.sin(dots[i].d * Math.PI/180);
          dots[i].d += dots[i].c;

if(clickFlag)
            dots[i].v = 1;
          break;
        case 1:
          ctx.save();
          ctx.beginPath();
          ctx.fillStyle = "hsla("+dots[i].h+", 100%, 70%, "+(1-pct)+")";
          ctx.shadowColor = "hsla("+dots[i].h+", 100%, 70%, 1)";
          ctx.shadowBlur = modeSets[mode].glow;
          ctx.arc(dots[i].x, dots[i].y, Math.pow(modeSets[mode].radius,2)/dots[i].v, 0, Math.PI*2);
          ctx.fill();
          ctx.closePath();
          ctx.restore();

dots[i].x += dots[i].v * Math.cos(dots[i].d * Math.PI/180);
          dots[i].y += dots[i].v * Math.sin(dots[i].d * Math.PI/180);
          if(clickFlag)
            dots[i].v = 3;
          break;
        case 2:
          ctx.save();
          ctx.beginPath();
          ctx.fillStyle = "hsla("+dots[i].h+", 100%, 70%, "+(1-pct)+")";
          ctx.shadowColor = "hsla("+dots[i].h+", 100%, 70%, 1)";
          ctx.shadowBlur = modeSets[mode].glow;
          ctx.arc(dots[i].x, dots[i].y, modeSets[mode].radius, 0, Math.PI*2);
          ctx.fill();
          ctx.closePath();
          ctx.restore();

dots[i].x += dots[i].v * Math.cos(dots[i].d * Math.PI/180);
          dots[i].y += dots[i].v * Math.sin(dots[i].d * Math.PI/180);
          if(clickFlag)
            dots[i].v = 0.3;
          break;
        case 3:
          ctx.save();
          ctx.beginPath();
          ctx.translate(w/2,h/2);
          ctx.rotate(dots[i].d*Math.PI/180);
          ctx.fillStyle = "hsla("+dots[i].h+", 100%, 70%, "+(pct)+")";
          ctx.shadowColor = "hsla("+dots[i].h+", 100%, 70%, 1)";
          ctx.shadowBlur = modeSets[mode].glow;
          ctx.rect(dots[i].x, dots[i].y, modeSets[mode].radius, modeSets[mode].radius);
          ctx.fill();
          ctx.closePath();
          ctx.restore();

dots[i].x += dots[i].v;
          dots[i].y += dots[i].v;
          if(clickFlag)
            dots[i].v = 3;
          break;
        case 4:
          var sd = Math.pow(modeSets[mode].radius,2)/dots[i].v;
          ctx.save();
          ctx.beginPath();
          ctx.strokeStyle = "hsla("+dots[i].h+", 100%, 50%, "+(1-pct)+")";
          ctx.shadowColor = "hsla("+dots[i].h+", 100%, 50%, 1)";
          ctx.shadowBlur = modeSets[mode].glow;
          if(clickFlag){
            ctx.arc(dots[i].x, dots[i].y, sd, 0, Math.PI*2);
          }else{
            ctx.rect(dots[i].x-sd, dots[i].y-sd, sd*2, sd*2);
          }
          ctx.stroke();
          ctx.closePath();
          ctx.restore();

dots[i].x += dots[i].v * Math.cos(dots[i].d * Math.PI/180);
          dots[i].y += dots[i].v * Math.sin(dots[i].d * Math.PI/180);
          break;
      }

if(dots[i].x>w || dots[i].x<0 || dots[i].y>h || dots[i].y<0 || dots[i].st+dots[i].lt<Date.now()){
        dots.splice(i,1);
      }
    }
    anim = requestAnimationFrame(draw);
  }

innerBtn.onmouseover = function(){
    hoverFlag = true;
    emitter = setInterval(emitDots, modeSets[mode].emitRate);
    anim = requestAnimationFrame(draw);
  }

innerBtn.onmouseout = function(){
    hoverFlag = false;
    clearInterval(emitter);
    cancelAnimationFrame(anim);
    ctx.clearRect(0,0,w,h);
    dots = [];
  }

innerBtn.onmousedown = function(){
    clickFlag = true;
  }

innerBtn.onmouseup = function(){
    clickFlag = false;
  }

btnTitle.innerHTML = modeSets[mode].name;

nextBtn.onclick = function(){
    if(modeSets.length <= mode+1){
      mode = 0;
    }else{
      mode += 1;
    }

setTimeout(function(){
      innerBtn.setAttribute("data-mode", mode);
      btnTitle.innerHTML = modeSets[mode].name;
    }, 300);

outerBtn.classList.add("next_anim");
    btnTitle.classList.add("prev_anim");
    setTimeout(function(){
      outerBtn.classList.remove("next_anim");
      btnTitle.classList.remove("prev_anim");
    }, 600)
  }

prevBtn.onclick = function(){
    if(0 > mode-1){
      mode = modeSets.length-1;
    }else{
      mode -= 1;
    }

setTimeout(function(){
      innerBtn.setAttribute("data-mode", mode);
      btnTitle.innerHTML = modeSets[mode].name;
    }, 300);

outerBtn.classList.add("prev_anim");
    btnTitle.classList.add("next_anim");
    setTimeout(function(){
      outerBtn.classList.remove("prev_anim");
      btnTitle.classList.remove("next_anim");
    }, 600)
  }

tipText.innerHTML = tips[tip];
  setInterval(function(){
    tips.length<=tip+1?tip=0:tip+=1;
    tipText.innerHTML = tips[tip];
  }, 7000)

}

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