Template:3DCube/style.css

/* Template:3DCube/styles.css
   Hardware-accelerated 2D matrix simulation of a 3D cube.
   Mathematically rigid orthographic projection (zero skew).
   Fully compatible with MediaWiki CSS sanitizers. */

.mw-3dcube-scene {
    width: 200px;
    height: 200px;
    position: relative;
    /* Scaling is handled inline by the template */
}

.mw-3dcube {
    width: 100%;
    height: 100%;
    position: relative;
}

.mw-3dcube-face {
    position: absolute;
    width: 200px;
    height: 200px;
    top: 0;
    left: 0;
    transform-origin: 50% 50%;
    overflow: hidden;
    background-color: transparent;
}

/* Force inner images to perfectly fill the face */
.mw-3dcube-face img {
    display: block;
    width: 100% !important;
    height: 100% !important;
    border: none !important;
    object-fit: cover;
}

/* Base animations */
.mw-3dcube-front  { animation: mw-3dcube-front  8s linear infinite; }
.mw-3dcube-right  { animation: mw-3dcube-right  8s linear infinite; }
.mw-3dcube-back   { animation: mw-3dcube-back   8s linear infinite; }
.mw-3dcube-left   { animation: mw-3dcube-left   8s linear infinite; }
.mw-3dcube-top    { animation: mw-3dcube-top    8s linear infinite; z-index: 4; }
.mw-3dcube-bottom { animation: mw-3dcube-bottom 8s linear infinite; z-index: 0; }

/* Optional: pause rotation on hover */
.mw-3dcube-scene:hover .mw-3dcube-face { animation-play-state: paused; }

/* --- Mathematically Corrected 2D Matrix Keyframes --- */

@keyframes mw-3dcube-front {
    0%    { transform: matrix(1, 0, 0, 0.866025, 0, 50); z-index: 6; }
    12.5% { transform: matrix(0.707107, 0.353553, 0, 0.866025, 70.7107, 35.3553); z-index: 5; }
    25%   { transform: matrix(0, 0.5, 0, 0.866025, 100, 0); z-index: 3; }
    37.5% { transform: matrix(-0.707107, 0.353553, 0, 0.866025, 70.7107, -35.3553); z-index: 2; }
    50%   { transform: matrix(-1, 0, 0, 0.866025, 0, -50); z-index: 1; }
    62.5% { transform: matrix(-0.707107, -0.353553, 0, 0.866025, -70.7107, -35.3553); z-index: 2; }
    75%   { transform: matrix(0, -0.5, 0, 0.866025, -100, 0); z-index: 3; }
    87.5% { transform: matrix(0.707107, -0.353553, 0, 0.866025, -70.7107, 35.3553); z-index: 5; }
    100%  { transform: matrix(1, 0, 0, 0.866025, 0, 50); z-index: 6; }
}

@keyframes mw-3dcube-right {
    0%    { transform: matrix(0, 0.5, 0, 0.866025, 100, 0); z-index: 3; }
    12.5% { transform: matrix(-0.707107, 0.353553, 0, 0.866025, 70.7107, -35.3553); z-index: 2; }
    25%   { transform: matrix(-1, 0, 0, 0.866025, 0, -50); z-index: 1; }
    37.5% { transform: matrix(-0.707107, -0.353553, 0, 0.866025, -70.7107, -35.3553); z-index: 2; }
    50%   { transform: matrix(0, -0.5, 0, 0.866025, -100, 0); z-index: 3; }
    62.5% { transform: matrix(0.707107, -0.353553, 0, 0.866025, -70.7107, 35.3553); z-index: 5; }
    75%   { transform: matrix(1, 0, 0, 0.866025, 0, 50); z-index: 6; }
    87.5% { transform: matrix(0.707107, 0.353553, 0, 0.866025, 70.7107, 35.3553); z-index: 5; }
    100%  { transform: matrix(0, 0.5, 0, 0.866025, 100, 0); z-index: 3; }
}

@keyframes mw-3dcube-back {
    0%    { transform: matrix(-1, 0, 0, 0.866025, 0, -50); z-index: 1; }
    12.5% { transform: matrix(-0.707107, -0.353553, 0, 0.866025, -70.7107, -35.3553); z-index: 2; }
    25%   { transform: matrix(0, -0.5, 0, 0.866025, -100, 0); z-index: 3; }
    37.5% { transform: matrix(0.707107, -0.353553, 0, 0.866025, -70.7107, 35.3553); z-index: 5; }
    50%   { transform: matrix(1, 0, 0, 0.866025, 0, 50); z-index: 6; }
    62.5% { transform: matrix(0.707107, 0.353553, 0, 0.866025, 70.7107, 35.3553); z-index: 5; }
    75%   { transform: matrix(0, 0.5, 0, 0.866025, 100, 0); z-index: 3; }
    87.5% { transform: matrix(-0.707107, 0.353553, 0, 0.866025, 70.7107, -35.3553); z-index: 2; }
    100%  { transform: matrix(-1, 0, 0, 0.866025, 0, -50); z-index: 1; }
}

@keyframes mw-3dcube-left {
    0%    { transform: matrix(0, -0.5, 0, 0.866025, -100, 0); z-index: 3; }
    12.5% { transform: matrix(0.707107, -0.353553, 0, 0.866025, -70.7107, 35.3553); z-index: 5; }
    25%   { transform: matrix(1, 0, 0, 0.866025, 0, 50); z-index: 6; }
    37.5% { transform: matrix(0.707107, 0.353553, 0, 0.866025, 70.7107, 35.3553); z-index: 5; }
    50%   { transform: matrix(0, 0.5, 0, 0.866025, 100, 0); z-index: 3; }
    62.5% { transform: matrix(-0.707107, 0.353553, 0, 0.866025, 70.7107, -35.3553); z-index: 2; }
    75%   { transform: matrix(-1, 0, 0, 0.866025, 0, -50); z-index: 1; }
    87.5% { transform: matrix(-0.707107, -0.353553, 0, 0.866025, -70.7107, -35.3553); z-index: 2; }
    100%  { transform: matrix(0, -0.5, 0, 0.866025, -100, 0); z-index: 3; }
}

@keyframes mw-3dcube-top {
    0%    { transform: matrix(1, 0, 0, 0.5, 0, -86.6025); }
    12.5% { transform: matrix(0.707107, -0.353553, 0.707107, 0.353553, 0, -86.6025); }
    25%   { transform: matrix(0, -0.5, 1, 0, 0, -86.6025); }
    37.5% { transform: matrix(-0.707107, -0.353553, 0.707107, -0.353553, 0, -86.6025); }
    50%   { transform: matrix(-1, 0, 0, -0.5, 0, -86.6025); }
    62.5% { transform: matrix(-0.707107, 0.353553, -0.707107, -0.353553, 0, -86.6025); }
    75%   { transform: matrix(0, 0.5, -1, 0, 0, -86.6025); }
    87.5% { transform: matrix(0.707107, 0.353553, -0.707107, 0.353553, 0, -86.6025); }
    100%  { transform: matrix(1, 0, 0, 0.5, 0, -86.6025); }
}

@keyframes mw-3dcube-bottom {
    0%    { transform: matrix(1, 0, 0, -0.5, 0, 86.6025); }
    12.5% { transform: matrix(0.707107, -0.353553, -0.707107, -0.353553, 0, 86.6025); }
    25%   { transform: matrix(0, -0.5, -1, 0, 0, 86.6025); }
    37.5% { transform: matrix(-0.707107, -0.353553, -0.707107, 0.353553, 0, 86.6025); }
    50%   { transform: matrix(-1, 0, 0, 0.5, 0, 86.6025); }
    62.5% { transform: matrix(-0.707107, 0.353553, 0.707107, 0.353553, 0, 86.6025); }
    75%   { transform: matrix(0, 0.5, 1, 0, 0, 86.6025); }
    87.5% { transform: matrix(0.707107, 0.353553, 0.707107, -0.353553, 0, 86.6025); }
    100%  { transform: matrix(1, 0, 0, -0.5, 0, 86.6025); }
}