/*
 *  Usage:
 *
      <div class="sk-wandering-cubes">
        <div class="sk-cube"></div>
        <div class="sk-cube"></div>
      </div>
 *
 */
@import "../variables";

$spinkit-wandering-cube-width: $spinkit-size;
$spinkit-wandering-cube-height: $spinkit-size;
$spinkit-wandering-cube-margin: $spinkit-spinner-margin;
$spinkit-wandering-cube-background-color: $spinkit-spinner-color;
$spinkit-wandering-cube-animation-duration: 1.8s !default;
$spinkit-wandering-cube-css-export: true !default;

@mixin sk-wandering-cubes-animation(
  $width: $spinkit-wandering-cube-width,
  $height: $spinkit-wandering-cube-height,
  $duration: $spinkit-wandering-cube-animation-duration
) {
  $distanceX: $width * 3/4;
  $distanceY: $height * 3/4;
  $keyframeName: selector-replace("sk-wanderingCube-" + $width + "-" + $height, ".", "");
  @keyframes #{$keyframeName} {
    0% {
      transform: rotate(0deg);
    } 25% {
      transform: translateX($distanceX) rotate(-90deg) scale(0.5);
    } 50% {
      /* Hack to make FF rotate in the right direction */
      transform: translateX($distanceX) translateY($distanceY) rotate(-179deg);
    } 50.1% {
      transform: translateX($distanceX) translateY($distanceY) rotate(-180deg);
    } 75% {
      transform: translateX(0) translateY($distanceY) rotate(-270deg) scale(0.5);
    } 100% {
      transform: rotate(-360deg);
    }
  }

  .sk-cube {
    animation: #{$keyframeName} $duration ease-in-out #{-$duration} infinite both;

    &:nth-child(2) {
      animation-delay: -$duration / 2;
    }
  }
}

@mixin sk-wandering-cubes-size(
  $width: $spinkit-wandering-cube-width,
  $height: $spinkit-wandering-cube-height
) {
  width: $width;
  height: $height;

  .sk-cube {
    width: $width / 4;
    height: $height / 4;
  }
}

@mixin sk-wandering-cubes-color(
  $color: $spinkit-wandering-cube-background-color
) {
  .sk-cube {
    background-color: $color;
  }
}

@mixin sk-wandering-cubes-style(
  $width: $spinkit-wandering-cube-width,
  $height: $spinkit-wandering-cube-height,
  $color: $spinkit-wandering-cube-background-color,
  $margin: $spinkit-wandering-cube-margin
) {
  margin: $margin;

  @include sk-wandering-cubes-size(
    $width: $width,
    $height: $height
  );

  @include sk-wandering-cubes-color(
    $color: $color
  );
}

@mixin sk-wandering-cubes(
  $width: $spinkit-wandering-cube-width,
  $height: $spinkit-wandering-cube-height,
  $color: $spinkit-wandering-cube-background-color,
  $margin: $spinkit-wandering-cube-margin,
  $duration: $spinkit-wandering-cube-animation-duration
) {
  position: relative;

  .sk-cube {
    position: absolute;
    top: 0;
    left: 0;
  }

  @include sk-wandering-cubes-animation(
    $width: $width,
    $height: $height,
    $duration: $duration
  );

  @include sk-wandering-cubes-style(
    $width: $width,
    $height: $height,
    $color: $color,
    $margin: $margin
  );
}

@if ($spinkit-wandering-cube-css-export) {
  .sk-wandering-cubes {
    @include sk-wandering-cubes;
  }
}