인터랙티브 웹 개발(mix-blend-mode: multiply)

mix-blend-mode

---

Syntax

/* Keyword values */
mix-blend-mode: normal;
mix-blend-mode: multiply;
mix-blend-mode: screen;
mix-blend-mode: overlay;
mix-blend-mode: darken;
mix-blend-mode: lighten;
mix-blend-mode: color-dodge;
mix-blend-mode: color-burn;
mix-blend-mode: hard-light;
mix-blend-mode: soft-light;
mix-blend-mode: difference;
mix-blend-mode: exclusion;
mix-blend-mode: hue;
mix-blend-mode: saturation;
mix-blend-mode: color;
mix-blend-mode: luminosity;

/* Global values */
mix-blend-mode: inherit;
mix-blend-mode: initial;
mix-blend-mode: revert;
mix-blend-mode: revert-layer;
mix-blend-mode: unset;

mix-blend-mode: multiply를 사용한 예제

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예제보기

동그라미가 마우스를 따라다니고 버튼위에 마우스가 올라가면 동그라미가 자연스럽게 작아지는 예제

HTML

  <div class="cursorItem">
    <span class="circle"></span>
  </div>

  <div class="gate-box">
    <div class="top">
      <p>마스크를 쓰고 있나요?</p>		
    </div>
    <div class="bottom">
      <div class="inner">
        <a href="/#yes" id="yes">네</a> 
        <a href="/#no" id="no">아니요</a>
      </div>
    </div>
  </div>

CSS

body {
  background-color: #4197c9;
  overflow: hidden;
}

.cursorItem {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 9;
  pointer-events: none;
  mix-blend-mode: multiply;
  opacity: .5;
}
.cursorItem .circle {
  position: fixed;
  display: block;
  width: 120px;
  height: 120px;
  margin: -60px 0 0 -60px;
  background: #a300a8;
  border-radius: 50%;
  transition: all .2s ease-in-out;
}

.gate-box {
  position: absolute;
  top: 40%;
  left: calc(50% - 200px);
  width: 400px;
}
.gate-box .top {
  border: 2px solid #fff;
  border-bottom: none;
  padding: 5px;
}
.gate-box .top p {
  text-align: center;
  color: #fff;
  font-size: 20px;
}
.gate-box .bottom {
  border: 2px solid #fff;
}
.gate-box .bottom .inner{
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-auto-rows: 1fr;
}
.gate-box .bottom a{
  font-size: 20PX;
  color: #fff;
  width: 100%;
  text-align: center;
  display: inline-block;
  text-decoration: none;
  padding: 20px 0;
  transition: all .3s ease;
  box-sizing: inherit;
}
.gate-box .bottom a:hover{
  background: #fff;
  color: #4197c9;
}
.gate-box .bottom #yes{
  border-right: 2px solid #fff;
}

JS

let btn_yes;
let btn_no;
let cursorItem;
let circle;
let x = 0, y = 0;
let mx = 0, my = 0;

window.onload = function () {
  btn_yes = document.querySelector("#yes");
  btn_no = document.querySelector("#no");

  cursorItem = document.querySelector(".cursorItem");
  circle = cursorItem.querySelector(".circle");

  // 네 버튼 이벤트
 btn_yes.addEventListener("mouseover", function (e) {
    circle.style.transform = "scale(.3)";
  })
  btn_yes.addEventListener("mouseout", function (e) {
    circle.style.transform = "scale(1)";
  })

  // 아니오 버튼 이벤트
  btn_no.addEventListener("mouseover", function (e) {
    circle.style.transform = "scale(.3)";
  })
  btn_no.addEventListener("mouseout", function (e) {
    circle.style.transform = "scale(1)";
  })

  // mousemove 이벤트
  window.addEventListener("mousemove", function (e) {
    x = e.clientX;
    y = e.clientY;
    cursorItem.style.transform = "translate(" + x + "px, " + y + "px )";
  });

  loop();
}

function loop() {
  mx += (x - mx) * .90;
  my += (y - my) * .90;
  cursorItem.style.transform = "translate(" + mx + "px, " + my + "px )";

  requestAnimationFrame(loop);
}