<main>
  <small style="position: absolute; padding: .5rem;">For better experience please use Chrome</small>
  <section id="artboard">
    <svg class="figure" preserveAspectRatio="none" xmlns="http://www.w3.org/2000/svg">
      <g class="figure-container">
        <g class="figure-landscape"><!-- Background landscape -->
          <g class="ground">
            <path class="ground__shadow" shadow="1" d="M240 140 l-4000 0 l0 350 Z" />
          </g>
          <g class="tree" tree="1">
            <circle class="tree__fooliage" cx="50" cy="50" r="50" />
            <g>
              <path class="tree__trunk" d="M50 125 l0 -95 l2 0 l0 95 Z" />
              <path class="tree__branch" d="M50 80 l-8 -8 l-15 0 l0 -2 l13 0 l-5 -5 l1 -2 l16 16 Z" />
              <path class="tree__branch" d="M50 44 l-12 -7 l0 -2 l3 2 l0 -20 l2 0 l0 21 l7 4 Z" />
              <path class="tree__branch" d="M52 64 l25 -20 l1 1 l-8 7 l20 0 l0 2 l-22 0 l-16 13 Z" />
              <path class="tree__branch" d="M52 86 l12 -10 l2 1 l-14 12 Z" />
            </g>
          </g>
          <g class="tree" tree="2">
            <circle class="tree__fooliage" cx="50" cy="50" r="50" />
            <g>
              <path class="tree__trunk" d="M50 125 l0 -95 l2 0 l0 95 Z" />
              <path class="tree__branch" d="M50 80 l-8 -8 l-15 0 l0 -2 l13 0 l-5 -5 l1 -2 l16 16 Z" />
              <path class="tree__branch" d="M50 44 l-12 -7 l0 -2 l3 2 l0 -20 l2 0 l0 21 l7 4 Z" />
              <path class="tree__branch" d="M52 64 l25 -20 l1 1 l-8 7 l20 0 l0 2 l-22 0 l-16 13 Z" />
              <path class="tree__branch" d="M52 86 l12 -10 l2 1 l-14 12 Z" />
            </g>
          </g>
          <g class="shrub" shrub="3">
            <path class="shrub__part" d="M21 125 a20 20 0 0 1 40 0 Z" />
            <path class="shrub__part" d="M6 135 a15 15 0 0 1 30 0 Z" />
            <path class="shrub__part" d="M0 140 a10 10 0 0 1 20 0 Z" />
            <path class="shrub__part" d="M41 139 a15 15 0 0 1 30 0 Z" />
            <path class="shrub__part" d="M61 140 a10 10 0 0 1 20 0 Z" />
            <path class="shrub__part" d="M16 140 a25 25 0 0 1 50 0 Z" />
          </g>
          <g class="shrub" shrub="4">
            <path class="shrub__part" d="M21 125 a20 20 0 0 1 40 0 Z" />
            <path class="shrub__part" d="M41 139 a15 15 0 0 1 30 0 Z" />
            <path class="shrub__part" d="M61 140 a10 10 0 0 1 20 0 Z" />
            <path class="shrub__part" d="M16 140 a25 25 0 0 1 50 0 Z" />
          </g>
          <g class="shrub" shrub="5">
            <path class="shrub__part" d="M21 125 a20 20 0 0 1 40 0 Z" />
            <path class="shrub__part" d="M6 135 a15 15 0 0 1 30 0 Z" />
            <path class="shrub__part" d="M0 140 a10 10 0 0 1 20 0 Z" />
            <path class="shrub__part" d="M41 139 a15 15 0 0 1 30 0 Z" />
            <path class="shrub__part" d="M61 140 a10 10 0 0 1 20 0 Z" />
            <path class="shrub__part" d="M16 140 a25 25 0 0 1 50 0 Z" />
          </g>
        </g>

        <g class="figure-house">
          <g class="foundation">
            <g class="foundation__pole" pole="1">
              <rect class="foundation__pole--front" />
              <rect class="foundation__pole--back" />
            </g>
            <g class="foundation__pole" pole="2">
              <rect class="foundation__pole--front" />
              <rect class="foundation__pole--back" />
            </g>
            <g class="foundation__pole" pole="3">
              <rect class="foundation__pole--front" />
              <rect class="foundation__pole--back" x="3" />
            </g>
            <g class="foundation__pole" pole="4">
              <rect class="foundation__pole--front" />
              <rect class="foundation__pole--back" x="3" />
            </g>
            <g class="foundation__floor">
              <rect/>
              <rect/>
            </g>
          </g>
          <g class="house">
            <g class="house__side">
              <path class="house__side__wall" d="M0 100 l0 -86 l33 -26 l33 26 l0 86 Z" />
              <circle class="house__side__topwindow" cx="33" cy="6" r="7" />
              <rect class="house__side__window" />
            </g>
            <g class="house__entrance">
              <rect class="house__entrance__wall" />
              <g class="house__entrance__sliding-door">
                <rect class="house__entrance__sliding-door__frame" />
                <rect class="house__entrance__sliding-door__glass" glass="1" />
                <rect class="house__entrance__sliding-door__glass" glass="2" />
                <rect class="house__entrance__sliding-door__glass" glass="3" />
              </g>
            </g>
            <g class="house__protruding-part">
              <rect class="house__protruding-part__side-wall" />
              <rect class="house__protruding-part__wall" />
              <rect class="house__protruding-part__window" />
            </g>
            <g class="house__roof">
              <rect class="house__roof__tiles"/>
              <g class="house__roof__tower">
                <path class="house__roof__tower__side-wall" d="M0 0 l6 0 l13 10 l6 0 l0 -13 l-13 -9 l-12 9 Z" />
                <path class="house__roof__tower__front-wall" d="M25 -3 l0 13 l25 0 l0 -13 Z" />
                <rect class="house__roof__tower__roof"/>
                <circle class="house__roof__tower__topwindow" cx="12" cy="-5" r="2" />
                <rect class="house__roof__tower__window" />
              </g>
            </g>
          </g>
        </g>
        
        <g class="figure-landscape"><!-- Foreground landscape -->
          <g class="shrub" shrub="1">
            <path class="shrub__part" d="M21 125 a20 20 0 0 1 40 0 Z" />
            <path class="shrub__part" d="M6 135 a15 15 0 0 1 30 0 Z" />
            <path class="shrub__part" d="M0 140 a10 10 0 0 1 20 0 Z" />
            <path class="shrub__part" d="M41 139 a15 15 0 0 1 30 0 Z" />
            <path class="shrub__part" d="M61 140 a10 10 0 0 1 20 0 Z" />
            <path class="shrub__part" d="M16 140 a25 25 0 0 1 50 0 Z" />
          </g>
          <g class="shrub" shrub="2">
            <path class="shrub__part" d="M21 125 a20 20 0 0 1 40 0 Z" />
            <path class="shrub__part" d="M6 135 a15 15 0 0 1 30 0 Z" />
            <path class="shrub__part" d="M0 140 a10 10 0 0 1 20 0 Z" />
            <path class="shrub__part" d="M41 139 a15 15 0 0 1 30 0 Z" />
            <path class="shrub__part" d="M61 140 a10 10 0 0 1 20 0 Z" />
            <path class="shrub__part" d="M16 140 a25 25 0 0 1 50 0 Z" />
          </g>
        </g>
      </g>
    </svg>
  </section>
  <section id="controls">
    <div id="house-size-slider" class="controller"></div>
    <div id="foundation-height-slider" class="controller"></div>
    <div id="foundation-width-slider" class="controller"></div>
  </section>
</main>

<footer>
  <small>
  I saw this fancy animation by <a href="https://www.instagram.com/p/BdsGs4DlqMV/?taken-by=ameenimagina" target="_blank">Ameen Shahid</a> - I wanted to recreate it with SVG and CSS animations - made by <a href="https://twitter.com/knekkii" target="_blank">Kenneth Aamås</a></small> 
</footer>

@import url('https://fonts.googleapis.com/css?family=Inconsolata');

// Base
$primary: #414061;
$primary--light: #b8b9ea;
$primary--lighter: #d5d3f7;
$primary--dark: #393853;
$secondary: #ff986d;
$base: #fcfbff;

$transition-easing-function: cubic-bezier(0.4, 0.0, 0.2, 1);

// Figure
$ground-shadow: $primary--dark;
$tree-fooliage: $secondary;
$tree-branch: #552427;
$house: $primary--light;
$house--size: 64px;
$house-foundation: $house;
$house-foundation--light: $primary--lighter;
$house-foundation--lighter: $base;
$house-foundation--height: 42px;
$house-foundation--width: 175px;
$house-wall: $house-foundation--light;
$house-wall--light: $house-foundation--lighter;
$house-roof: $base;
$house-window: $primary;

:root {
  --house--size: $house--size;
  --foundation--height: $house-foundation--height;
  --foundation--width: $house-foundation--width;
}

body {
  background-color: $primary;
  color: $base;
  font-family: 'Inconsolata', monospace;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: 1fr minmax(min-content, 40px);
  align-items: center;
  justify-content: center;
  text-align: center;
  margin: 0;
  min-height: 100vh;
}

main {
  display: grid;
  grid-template-rows: minmax(300px, 1fr) 10vh;
  grid-gap: 3vh;
  height: 100%;
  
  #artboard {
    @extend %flex-center;
    align-items: flex-end;
    
    .figure {
      position: relative;
      height: 100%;
      width: 100vw;
      
      // Groups
      &-container {
        transform: translate(calc(calc(100vw - 50%) - 145px), 30vh);
      }
      
      // Elements
      .ground {
        &__shadow {
          fill: $ground-shadow;
          
          &[shadow="1"] {
            transform: translate(calc(calc(#{$house-foundation--width} - var(--foundation--width)) * -1), 0);
            
            .ready & {
              transition: transform 250ms 50ms $transition-easing-function;
            }
          }
        }
      }
      
      .tree {
        &[tree="1"] {
          transform: translate(calc(calc(#{$house-foundation--width} - var(--foundation--width)) / 2), 18px);
          
          .ready & {
            transition: transform 250ms 50ms $transition-easing-function;
          }
        }
        
        &[tree="2"] {
          transform: translate(calc(178px - calc(calc(#{$house-foundation--width} - var(--foundation--width)) / 1.1)), 53px) scale(.7);
          
          .ready & {
            transition: transform 250ms 50ms $transition-easing-function;
          }
        }
        
        &__fooliage {
          fill: $tree-fooliage;
        }

        &__branch, &__trunk {
          fill: $tree-branch;
        }
      }
      
      .shrub {
        &[shrub="1"] {
          transform: translate(calc(49px + calc(calc(#{$house-foundation--width} - var(--foundation--width)) / 2)), 68px) scale(.55);
          
          .ready & {
            transition: transform 250ms 75ms $transition-easing-function;
          }
        }
        
        &[shrub="2"] {
          transform: translate(calc(130px - calc(calc(#{$house-foundation--width} - var(--foundation--width)) / 2)), 102px) scale(.3);
          
          .ready & {
            transition: transform 250ms 50ms $transition-easing-function;
          }
        }
        
        &[shrub="3"] {
          transform: translate(calc(180px - calc(calc(#{$house-foundation--width} - var(--foundation--width)) / 2)), 83px) scale(.4);
          
          .ready & {
            transition: transform 250ms 125ms $transition-easing-function;
          }
        }
        
        &[shrub="4"] {
          transform: translate(calc(185px - calc(calc(#{$house-foundation--width} - var(--foundation--width)) / 2)), 57px) scale(.6);
          
          .ready & {
            transition: transform 250ms 100ms $transition-easing-function;
          }
        }
        
        &[shrub="5"] {
          transform: translate(calc(235px - calc(calc(#{$house-foundation--width} - var(--foundation--width)) / 2)), 99px) scale(.3);
          
          .ready & {
            transition: transform 250ms 75ms $transition-easing-function;
          }
        }
        
        &__part {
          fill: $tree-fooliage;
        }
      }
      
      .foundation {
        &__pole {
          &--front {
            fill: $house-foundation;
            
            .ready & {
              transition: height 250ms $transition-easing-function;
            }
          }
          
          &--back {
            fill: $house-foundation--lighter;
            
            .ready & {
              transition: height 250ms $transition-easing-function;
            }
          }
          
          &[pole="1"] {
            transform: translate(calc(75px + calc(calc(#{$house-foundation--width} - var(--foundation--width)) / 2)), 143px) rotate(180deg);
          
            .ready & {
              transition: transform 250ms $transition-easing-function;
            }
            
            .foundation__pole--front {
              width: 10px;
              height: var(--foundation--height);
            }
            
            .foundation__pole--back {
              width: 3px;
              height: var(--foundation--height);
            }
          }
          
          &[pole="2"] {
            transform: translate(calc(120px + calc(calc(#{$house-foundation--width} - var(--foundation--width)) / 2)), 143px) rotate(180deg);
            
            .ready & {
              transition: transform 250ms $transition-easing-function;
            }
            
            .foundation__pole--front {
              width: 10px;
              height: var(--foundation--height);
            }
            
            .foundation__pole--back {
              width: 3px;
              height: var(--foundation--height);
            }
          }
          
          &[pole="3"] {
            transform: translate(calc(154px - calc(calc(#{$house-foundation--width} - var(--foundation--width)) / 2)), 143px) rotate(180deg);
            
            .ready & {
              transition: transform 250ms $transition-easing-function;
            }
            
            .foundation__pole--front {
              width: 10px;
              height: var(--foundation--height);
            }
            
            .foundation__pole--back {
              width: 7px;
              height: var(--foundation--height);
            }
          }
          
          &[pole="4"] {
            transform: translate(calc(206px - calc(calc(#{$house-foundation--width} - var(--foundation--width)) / 2)), 143px) rotate(180deg);
            
            .ready & {
              transition: transform 250ms $transition-easing-function;
            }
            
            .foundation__pole--front {
              width: 10px;
              height: var(--foundation--height);
            }
            
            .foundation__pole--back {
              width: 7px;
              height: var(--foundation--height);
            }
          }
        }
        
        &__floor {
          fill: $house-foundation--light;
          transform: translate(calc(47px + calc(calc(#{$house-foundation--width} - var(--foundation--width)) / 2)), calc(136px - var(--foundation--height)));

          .ready & {
            transition: transform 250ms $transition-easing-function;
          }
          
          rect {
            height: 7px;
          }
          
          rect:nth-of-type(1) {
            width: var(--foundation--width);
            
            .ready & {
              transition: width 250ms $transition-easing-function;
            }
          }
          
          rect:nth-of-type(2) {
            fill: $house-foundation--lighter;
            width: 7px;
            transform: translate(calc(53px - calc(calc(#{$house-foundation--width} - var(--foundation--width)) / 2.5)), 0);

            .ready & {
              transition: transform 250ms $transition-easing-function;
            }
          }
        }
      }
      
      .house {
        fill: $house;
        transform: translate(calc(71px + calc(calc(#{$house--size} - var(--house--size)) / 2)), calc(37px - var(--foundation--height)));

        .ready & {
          transition: transform 250ms $transition-easing-function;
        }
        
        &__side {
          &__topwindow {
            fill: $house-window;
          }
          
          &__window {
            fill: $house-window;
            height: 40px;
            width: 24px;
            transform: translate(20px, 30px);
          }
        }

        &__entrance {
          transform: translate(65px, 14px);
          
          &__wall {
            fill: $house;
            height: 86px;
            width: var(--house--size);
            
            .ready & {
              transition: width 250ms $transition-easing-function;
            }
          }
          
          &__sliding-door {
            transform: translate(1px, 8px);
            
            &__frame {
              fill: $house-foundation--lighter;
              height: 78px;
              width: $house--size;
            }
            
            &__glass {
              fill: $house-window;
              height: 70px;
              width: 16px;
              
              &[glass="1"] {
                transform: translate(4px, 4px);
              }
              
              &[glass="2"] {
                transform: translate(24px, 4px);
              }
              
              &[glass="3"] {
                transform: translate(44px, 4px);
              }
            }
          }
        }
        
        &__protruding-part {
          transform: translate(calc(66px - calc(#{$house--size} - var(--house--size))), 14px);

          .ready & {
            transition: transform 250ms $transition-easing-function;
          }
          
          &__side-wall {
            fill: $house-wall;
            height: 86px;
            width: $house--size;
          }
          
          &__wall {
            fill: $house-wall--light;
            height: 86px;
            width: $house--size / 2;
            transform: translate($house--size / 2, 0);
          }
          
          &__window {
            fill: $house-window;
            height: 40px;
            width: 24px;
            transform: translate(calc(#{$house--size / 2} + 5px), 16px);
          }
        }
        
        &__roof {
          --roof--length: 64px;
          fill: $house-roof;
          transform: translate(33px, -12px);
          
          &__tiles {
            height: 26px;
            width: calc(var(--roof--length) - calc(#{$house--size} - var(--house--size)));
            transform: skew(52deg);
          
            .ready & {
              transition: width 250ms $transition-easing-function;
            }
          }
          
          &__tower {
            transform: translate(calc(20px - calc(calc(#{$house--size} - var(--house--size)) / 2.25)), 0);
    
            .ready & {
              transition: transform 250ms $transition-easing-function;
            }
            
            &__side-wall {
              fill: $house;
            }
            
            &__front-wall {
              fill: $house-wall;
            }
            
            &__roof {
              height: 9px;
              width: 25px;
              transform: translate(12px, -12px) skew(55deg);
            }
            
            &__topwindow {
              fill: $house-window;
            }
            
            &__window {
              fill: $house-window;
              height: 7px;
              width: 17px;
              transform: translate(30px, 0);
            }
          }
        }
      }
    }
  }
  
  #controls {
    @extend %flex-center;
    flex-wrap: wrap;
    padding-top: .5rem;
    
    #house-size-slider {
      background-color: $base;
      
      .noUi-handle {
        border-color: $base;
      }
    }
      
    #foundation-height-slider {
      background-color: $secondary;
      
      .noUi-handle {
        border-color: $secondary;
      }
    }
      
    #foundation-width-slider {
      background-color: $primary--light;
      
      .noUi-handle {
        border-color: $primary--light;
      }
    }
    
    .controller {
      flex: 1;
      margin: 0 3vw;
      min-width: 70px;
      max-width: 120px;
      border: unset;
      box-shadow: unset;
      height: 2px;
      
      .noUi-handle {
        background-color: $primary;
        border-radius: 0;
        border-width: 2px;
        box-shadow: unset;
        width: 10px;
        height: 10px;
        right: -8px;
        top: -4px;
        
        &::before, &::after {
          content: unset;
        }
      }
    }
  }
}

footer {
  padding: 0 1rem;
}

a {
  color: $primary--light;
}

%flex-center {
  display: flex;
  justify-content: center;
}

const config = {
  start: [ 1 ],
  step: 1,
  range: {
    min: [ 1 ],
    max: [ 150 ]
  }
};

let houseSizeSlider = noUiSlider.create(document.getElementById('house-size-slider'), config),
    foundationHeightSlider = noUiSlider.create(document.getElementById('foundation-height-slider'), config),
    foundationWidthSlider = noUiSlider.create(document.getElementById('foundation-width-slider'), config);

houseSizeSlider.on('update', updateValue);
foundationHeightSlider.on('update', updateValue);
foundationWidthSlider.on('update', updateValue);

function updateValue() {
  let value = parseInt(this.get()), 
      id = this.target.id;
  
  switch (id) {
    case 'house-size-slider':
      document.documentElement.style.setProperty('--house--size', (63 + value) + 'px');
      break;
    case 'foundation-height-slider':
      document.documentElement.style.setProperty('--foundation--height', (41 + (value >= 2? (value / 2) : value)) + 'px');
      break;
    case 'foundation-width-slider':
      document.documentElement.style.setProperty('--foundation--width', (174 + value) + 'px');
      break;
    default:
  }
}

function playIntroSequence() {
  // Intro sequence
  setTimeout(() => {
    houseSizeSlider.set(100);
    foundationHeightSlider.set(100);
    foundationWidthSlider.set(100);
  }, 500);
  
  setTimeout(() => {
    houseSizeSlider.set(0);
  }, 1100);
  
  setTimeout(() => {
    houseSizeSlider.set(100);
  }, 1700);
  
  setTimeout(() => {
    foundationWidthSlider.set(150);
  }, 2300);
  
  setTimeout(() => {
    foundationWidthSlider.set(100);
  }, 2900);
  
  setTimeout(() => {
    houseSizeSlider.set(150);
    foundationWidthSlider.set(150);
  }, 3700);
  
  setTimeout(() => {
    houseSizeSlider.set(1);
    foundationWidthSlider.set(1);
  }, 4500);
  
  setTimeout(() => {
    houseSizeSlider.set(100);
    foundationWidthSlider.set(100);
  }, 5100);
  
  setTimeout(() => {
    houseSizeSlider.set(1);
    foundationHeightSlider.set(1);
    foundationWidthSlider.set(1);
  }, 6000);
}

setTimeout(() => {
  document.body.classList.add('ready');
  
  // Play intro sequence
  setTimeout(() => {
    playIntroSequence();
  }, 1000);
}, 0);