Dark Star Pinwheel

dark-star-pinwheel.markdown

Dark Star Pinwheel

Playing with mix-blend-mode, border-radius, and box-shadows.

A Pen by Jase on CodePen.

License.

index.haml

%main
  - (1..6).each do |i|
    %div{:class => "color-#{i}"}

  %span

style.css

:root {
  --c1: #d4145a;
  --c2: #f15a24;
  --c3: #f7931e;
  --c4: #fcee21;
  --c5: #9ccf5e;
  --c6: #29abe2;
  --d: .1em;
  --a: -35deg;
}

.color-1 {
  color: var(--c1);
  background: linear-gradient(var(--a), var(--c2), var(--c1));
  transform: translate(-50%, -50%) rotate(0deg);
}

.color-2 {
  color: var(--c2);
  background: linear-gradient(var(--a), var(--c3), var(--c2));
  transform: translate(-50%, -50%) rotate(60deg);
}

.color-3 {
  color: var(--c3);
  background: linear-gradient(var(--a), var(--c4), var(--c3));
  transform: translate(-50%, -50%) rotate(120deg);
}

.color-4 {
  color: var(--c4);
  background: linear-gradient(var(--a), var(--c5), var(--c4));
  transform: translate(-50%, -50%) rotate(180deg);
}

.color-5 {
  color: var(--c5);
  background: linear-gradient(var(--a), var(--c6), var(--c5));
  transform: translate(-50%, -50%) rotate(240deg);
}

.color-6 {
  color: var(--c6);
  background: linear-gradient(var(--a), var(--c1), var(--c6));
  transform: translate(-50%, -50%) rotate(300deg);
}

@keyframes roll {
  100% {transform: translate(-50%, -50%) rotate(360deg);}
}

div {
  border-radius: 1em .1em .3em .05em;
  background: currentColor;
  width: 1em;
  height: 1em;
  mix-blend-mode: multiply;
  position: absolute;
  left: var(--d);
  top: var(--d);
  transform: translate(-50%, -50%);
  will-change: transform;
  transform-origin: 0% 100%;
  animation: roll 5s infinite alternate ease-in-out;
  box-shadow: 0 0 0 .05em #fff;
}

html,
body {
  height: 100%
}

body {
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30vmin;
  background: linear-gradient(#242427, #111);
}

main {
  left: 0;
  top: 0;
  width: 1em;
  height: 1em;
  transform: translate(100%, 0%);
  position: relative;
}
main span {
  position: absolute;
  width: .2em;
  height: .2em;
  border-radius: 1em;
  top: 60%;
  left: -40%;
  background: #fff;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 .1em #333;
  mix-blend-mode: screen;
}