/*
 *  Usage:
 *
      <div class="sk-cube-grid">
        <div class="sk-cube sk-cube1"></div>
        <div class="sk-cube sk-cube2"></div>
        <div class="sk-cube sk-cube3"></div>
        <div class="sk-cube sk-cube4"></div>
        <div class="sk-cube sk-cube5"></div>
        <div class="sk-cube sk-cube6"></div>
        <div class="sk-cube sk-cube7"></div>
        <div class="sk-cube sk-cube8"></div>
        <div class="sk-cube sk-cube9"></div>
      </div>
 *
 */
@import "../variables";

$spinkit-cube-grid-width: $spinkit-size;
$spinkit-cube-grid-height: $spinkit-size;
$spinkit-cube-grid-margin: $spinkit-spinner-margin;
$spinkit-cube-grid-background-color: $spinkit-spinner-color;
$spinkit-cube-grid-animation-duration: 1.3s !default;
$spinkit-cube-grid-animation-delay-range: 0.4s !default;
$spinkit-cube-grid-css-export: true !default;

@keyframes sk-cubeGridScaleDelay {
  0%, 70%, 100% { transform:scale3D(1.0, 1.0, 1.0) }
  35%           { transform:scale3D(0.0, 0.0, 1.0) }
}
@mixin sk-cube-grid-size(
  $width: $spinkit-cube-grid-width,
  $height: $spinkit-cube-grid-height
) {
  width: $width;
  height: $height;
}

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

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

  @include sk-cube-grid-size(
    $width: $width,
    $height: $height
  );

  @include sk-cube-grid-color(
    $color: $color
  );
}

@mixin sk-cube-grid(
  $width: $spinkit-cube-grid-width,
  $height: $spinkit-cube-grid-height,
  $color: $spinkit-cube-grid-background-color,
  $margin: $spinkit-cube-grid-margin,
  $duration: $spinkit-cube-grid-animation-duration,
  $delay-range: $spinkit-cube-grid-animation-delay-range
) {
  .sk-cube {
    width: 33.33%;
    height: 33.33%;
    float: left;
    animation: sk-cubeGridScaleDelay $duration infinite ease-in-out;
  }

  /*
   * Spinner positions
   * 1 2 3
   * 4 5 6
   * 7 8 9
   */

  .sk-cube1 { animation-delay: $delay-range * 0.50 }
  .sk-cube2 { animation-delay: $delay-range * 0.75 }
  .sk-cube3 { animation-delay: $delay-range }
  .sk-cube4 { animation-delay: $delay-range * 0.25 }
  .sk-cube5 { animation-delay: $delay-range * 0.50 }
  .sk-cube6 { animation-delay: $delay-range * 0.75 }
  .sk-cube7 { animation-delay: 0.0s }
  .sk-cube8 { animation-delay: $delay-range * 0.25 }
  .sk-cube9 { animation-delay: $delay-range * 0.50 }

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

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