CodePen Embed - Vue Invaders!

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properties\",\"css-variables\"],\"id\":24475944,\"user_id\":15542,\"html\":\"<div id=\\\"app\\\">\\n  <footer>\\n    <div class=\\\"field\\\">\\n      <label for=\\\"blipsize\\\">Bit Size</label>\\n      <input type=\\\"type\\\" \\n             id=\\\"blipsize\\\" \\n             v-model=\\\"blipSize\\\">\\n    </div>\\n    <div class=\\\"field\\\">\\n      <label for=\\\"gapsize\\\">Gap Size</label>\\n      <input type=\\\"type\\\" \\n             id=\\\"gapsize\\\" \\n             v-model=\\\"gapSize\\\">\\n    </div>\\n    <div class=\\\"field\\\">\\n      <label for=\\\"count\\\">Invaders</label>\\n      <input type=\\\"number\\\" \\n             id=\\\"count\\\" \\n             v-model=\\\"count\\\"\\n             @keyup=\\\"invade\\\">\\n    </div>\\n\\n    <div class=\\\"actions\\\">\\n      <button @click=\\\"shuffle\\\">Shuffle</button>\\n      <button @click=\\\"kickAss\\\">KickAss Battle Mode</button>      \\n    </div>\\n  </footer>\\n  \\n  <transition-group name=\\\"invaders\\\" \\n                    tag=\\\"main\\\"\\n                    :style=\\\"{'--blip': blipSize, '--gap': gapSize}\\\">\\n    <span v-for=\\\"(invader, index) in invaders\\\"\\n          :key=\\\"invader.id\\\"\\n          :style=\\\"{'--scale': invader.scale}\\\"\\n          class=\\\"invader\\\"\\n          @click=\\\"remake(index)\\\">\\n      <i v-for=\\\"blip in invader.blips\\\" \\n         :key=\\\"blip.id\\\"\\n         :style=\\\"{'--bg': blip.color, '--col': blip.column}\\\"\\n         class=\\\"blip\\\"></i>\\n    </span>\\n  </transition-group>\\n</div>\\n\",\"css\":\"// Main Grid\\n// ---------\\nmain {\\n  --blip: 5px;\\n  --gap: 1px;\\n  --size: calc(var(--blip, 5px) * 6 + var(--gap, 1px) * 4);\\n  align-content: center;\\n  display: grid;\\n  grid-auto-flow: dense;\\n  grid-auto-rows: var(--size);\\n  grid-template-columns: repeat(auto-fill, var(--size));\\n  justify-content: center;\\n}\\n\\n// Invaders\\n// --------\\n.invader {\\n  display: grid;\\n  grid-auto-flow: dense;\\n  grid-column-end: span var(--scale);\\n  grid-gap: var(--gap);\\n  grid-row-end: span var(--scale);\\n  grid-template: repeat(5, 1fr) / repeat(5, 1fr);\\n  padding: calc(var(--blip) / 2);\\n  transition: background-color 4s 2s ease-in-out;\\n\\n  &:hover {\\n    background-color: red;\\n    transition-delay: .01ms;\\n    transition-duration: 150ms;\\n  }\\n}\\n\\n.blip {\\n  background-color: var(--bg);\\n  grid-column-start: var(--col);\\n  transition: background-color 300ms ease-in-out;\\n}\\n\\n// Animations\\n// ----------\\n.invaders-move {\\n  transition: all 1s .01ms ease;\\n}\\n\\n.invaders-enter-active,\\n.invaders-leave-active {\\n  transition: all 0.8s 0.01ms ease;\\n}\\n\\n.invaders-enter, \\n.invaders-leave-to {\\n  background: green;\\n  opacity: 0;\\n  transform: scale(0.25);\\n}\\n\\n.invaders-leave-to {\\n  background: red;\\n}\\n\\n// Setup\\n// -----\\n:root {\\n  background: black;\\n  color: white;\\n  font-family: 'Source Sans Pro', 'Helvetica Neue', 'Helvetica', 'Arial', sans-serif;\\n  font-size: calc(12px + 0.125vw);\\n}\\n\\n* {\\n  box-sizing: border-box;\\n}\\n\\na,\\nbutton {\\n  &,\\n  &:link,\\n  &:visited {\\n    background: transparent;\\n    border: 1px solid white;\\n    border-radius: 0.25em;\\n    color: currentColor;\\n    cursor: pointer;\\n    display: inline-block;\\n    font: inherit;\\n    padding: 0.25em 0.5em;\\n    text-decoration: none;\\n  }\\n  \\n  &:hover,\\n  &:focus, \\n  &:active {\\n    background: white;\\n    color: black;\\n  }\\n}\\n\\n// Footer Controls\\n// ---------------\\nfooter {\\n  align-items: baseline;\\n  background: rgba(black, 0.95);\\n  border-bottom: 1px solid white;\\n  display: flex;\\n  flex-wrap: wrap;\\n  position: fixed;\\n  position: sticky;\\n  top: 0;\\n  width: 100vw;\\n}\\n\\n.field {\\n  flex: 0 0 auto;\\n  padding: 1em;\\n}\\n\\ninput {\\n  background: rgba(white, 0.25);\\n  border: 1px solid rgba(white, 0.5);\\n  color: white;\\n  padding: 0.25em 0.5em;\\n  width: 8ch;\\n}\\n\\n.actions {\\n  flex: 1 0 auto;\\n  padding: 1em;\\n  \\n  @media (min-width: 40em) {\\n    text-align: right;    \\n  }\\n}\\n\",\"js\":\"// Build an array of individual bits with random/symmetrical backgrounds\\nconst makeBlips = () => {\\n  let blips = [];\\n  \\n  // The first 15 bits can ge generated individually\\n  for (\\n    let blipIndex = 1;\\n    blipIndex <= 15;\\n    blipIndex++\\n  ) {\\n    let blip = {\\n      id: cuid(),\\n      color: (_.random(1) === 1) ? 'transparent' : 'white',\\n      column: Math.ceil(blipIndex / 5),\\n    };\\n    blips.push(blip);\\n  }\\n\\n  // The final 10 bits are reflections of the first 10\\n  for (\\n    let blipIndex = 0;\\n    blipIndex < 10;\\n    blipIndex++\\n  ) {\\n    let revBlip = {\\n      id: cuid(),\\n      color: blips[blipIndex].color,\\n      column: (blips[blipIndex].column + 1) * -1,\\n    };\\n    \\n    blips.push(revBlip);\\n  }\\n\\n  // return a full set of 25 bits\\n  return blips;\\n}\\n\\n// Generate a random invader size,\\n// with occasional random larger sizes\\nconst makeScale = () => {\\n  const big = (_.random(1, 50) === 50);\\n  const top = big ? 10 : 2;\\n  return _.random(1, top);\\n}\\n\\n// Build an invader with id, bits, and scale\\nconst makeInvader = () => {\\n  return {\\n    id: cuid(),\\n    scale: makeScale(),\\n    blips: makeBlips()\\n  }\\n}\\n\\n// Build any number of invaders\\nconst invade = (add) => {\\n  let invaders = [];\\n\\n  for (i=0;i<add;i++) {\\n    invaders.push(makeInvader());\\n  }\\n  \\n  return invaders;\\n}\\n\\n// The Vue logic!\\nnew Vue({\\n  el: \\\"#app\\\",\\n  data: {\\n    blipSize: '5px',\\n    gapSize: '1px',\\n    count: 200,\\n    invaders: invade(200),\\n  },\\n  methods: {\\n    invade() {\\n      let diff = this.count - this.invaders.length;\\n      if (diff > 0) {\\n        let newInvaders = invade(diff);\\n        for (let i=0; i<newInvaders.length; i++) {\\n          this.invaders.push(newInvaders[i]);          \\n        }\\n      } else if (diff) {\\n        diff = Math.abs(diff);\\n        this.invaders = _.dropRight(this.invaders, diff);\\n      }\\n    },\\n    shuffle() {\\n      this.invaders = _.shuffle(this.invaders);\\n    },\\n    remake(index) {\\n      this.invaders[index].blips = makeBlips();\\n    },\\n    kickAss() {\\n      let KICKASSVERSION = '2.0';\\n      let s = document.createElement('script');\\n      s.type = 'text/javascript';\\n      document.body.appendChild(s);\\n      s.src='//hi.kickassapp.com/kickass.js';\\n      void(0);\\n    }\\n  }\\n});\",\"html_pre_processor\":\"none\",\"css_pre_processor\":\"scss\",\"js_pre_processor\":\"babel\",\"html_classes\":\"\",\"css_starter\":\"reset\",\"js_library\":null,\"created_at\":\"2018-05-12T17:43:09.000Z\",\"updated_at\":\"2018-05-13T22:00:18.000Z\",\"title\":\"Vue Invaders!\",\"description\":\"This was inspired by Processing-generated art, originally created by [Levitated Toy Factory](http://levitated.guru/work/).\\n\\nThe [first draft](https://codepen.io/mirisuzanne/pen/gzXqOP) was built using static HTML (generated in HAML). 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