Animación de carga CSS: flujo de memoria y reflexión

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17 November 2023

Un código de Pedro_bugica

HTML

<!DOCTYPE html>
<html lang="pt-BR">
<head>
    <style>
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

body {
        background:url("./thumb.jpg") no-repeat center center;
        background-color: black;
        background-size: cover;
        display: flex;
        align-items: center;
        justify-content: center;
        height: 100vh;
        overflow: hidden;
    }

.codigo {
        position: absolute;
        top: 0;
        left: 50%;
        transform: translateX(-50%);
        background: #272822;
        color: #F8F8F2;
        font-family: 'Consolas', 'Monaco', monospace;
        font-size: 18px;
        padding: 20px;
        border-radius: 8px;
        white-space: pre-line;
        text-align: left;
        line-height: 1.6;
        max-height: 25%;
        max-width: 75%;
        width: 75%;
        height: 25%;
        top:15%;
        overflow-y: hidden;
        box-shadow: -8px 10px 18px rgba(0, 0, 0, 0.55);
    }

.selector       { color: #F92672; }
    .property       { color: #66D9EF; }
    .value-number   { color: #AE81FF; }
    .value-string   { color: #E6DB74; }
    .value-color    { color: #A6E22E; }
    .function       { color: #A6E22E; }

.codigo > * {
        color: #F8F8F2 !important;
    }

.annotation-container {
        position: relative;
        display: flex;
        flex-direction: column;
        align-items: center;
        font-size: 16px;
        font-style: italic;
        color: #E6DB74;
        padding: 10px;
        background-color: rgba(0,0,0,0.8);
        border-radius: 20px;
        top: 10%;
        left: 50%;
        transform: translateX(-50%);
    }

/* Criação de memória distorcida */
    .loading-element {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 50%;
        height: 50px;
        background-color: rgba(255,255,255,0.2);
        border-radius: 50%;
    }

/* Deslocamento horizontal gradual */
    .loading-element::before {
        content: "";
        position: absolute;
        top: 50%;
        left: 100%;
        transform: translate(-50%, -50%);
        width: 50%;
        height: 50px;
        background-color: rgba(255,255,255,0.7);
        border-radius: 50%;
        animation: loading-animation 1s linear infinite;
    }

.loading-element::after {
        content: "";
        position: absolute;
        top: 50%;
        left: -100%;
        transform: translate(-50%, -50%);
        width: 50%;
        height: 50px;
        background-color: rgba(255,255,255,0.3);
        border-radius: 50%;
        animation: loading-animation 1s linear infinite;
    }

@keyframes loading-animation {
        0% {
            transform: translate(-50%, -50%) scale(0);
        }
        25% {
            transform: translate(-50%, -50%) scale(1);
        }
        50% {
            transform: translate(-50%, -50%) scale(0);
        }
        100% {
            transform: translate(-50%, -50%) scale(1);
        }
    }

/* Animação de fluxo de memória */
    .memory-flow {
        position: absolute;
        top: 75%;
        left: 50%;
        transform: translate(-50%, -50%);
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 20%;
        height: 50%;
        background-color: rgba(255,255,255,0.5);
        border-radius: 20px;
    }

.memory-flow::before {
        content: "";
        position: absolute;
        top: 0%;
        left: 0%;
        transform: translate(0, 0);
        width: 100%;
        height: 100%;
        background-color: rgba(255,255,255,0.6);
        border-radius: 20px;
        animation: memory-flow 2s linear infinite;
    }

.memory-flow::after {
        content: "";
        position: absolute;
        top: 0%;
        left: 0%;
        transform: translate(0, 0);
        width: 100%;
        height: 100%;
        background-color: rgba(255,255,255,0.4);
        border-radius: 20px;
        animation: memory-flow 2s linear infinite;
    }

@keyframes memory-flow {
        0% {
            transform: translate(0, 0);
        }
        50% {
            transform: translate(0, 50%);
        }
        100% {
            transform: translate(0, 0);
        }
    }

/* Animação de reflexão*/
    .reflection {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 100%;
        height: 50%;
        background-color: rgba(255,255,255,0.3);
        border-radius: 20px;
        z-index: 2;
    }

.reflection::before {
        content: "";
        position: absolute;
        top: 0%;
        left: 0%;
        transform: translate(0, 0);
        width: 100%;
        height: 100%;
        background-color: rgba(255,255,255,0.6);
        border-radius: 20px;
        animation: reflection 1s linear infinite;
    }

.reflection::after {
        content: "";
        position: absolute;
        top: 0%;
        left: 0%;
        transform: translate(0, 0);
        width: 100%;
        height: 100%;
        background-color: rgba(255,255,255,0.4);
        border-radius: 20px;
        animation: reflection 1s linear infinite;
    }

@keyframes reflection {
        0% {
            transform: translate(0, 0);
        }
        50% {
            transform: translate(0, 50%);
        }
        100% {
            transform: translate(0, 0);
        }
    }

.annotation-container::before {
        content: "Memória distorcida e inacessível. Tentativa fallida de recordar";
        position: absolute;
        top: -20px;
        left: 50%;
        transform: translateX(-50%);
        color: #F8F8F2;
        font-size: 14px;
        font-style: italic;
        text-align: center;
        width: 200px;
    }

</style>
</head>
<body>

<div class="animation-container">
        <div class="loading-element" style="transform: translate(-50%, -50%);"></div>
        <div class="memory-flow" style="transform: translate(-50%, -50%);">
            <div class="reflection" style="transform: translate(-50%, -50%)">
                <div class="reflection::before" style="transform: translate(0, 0); opacity: 0;"></div>
                <div class="reflection::after" style="transform: translate(-50%, -50%) scale(0);">
                    <div class="memory-flow::before" style="opacity: 1;">
                        <div class="memory-flow::after" style="transform: translate(0, 0);">
                            <div class="annotation-container" style="transform: translateX(-50%);">
                                <div class="animation-container" style="transform: translate(-50%, -50%);">
                                    Tudo o que sabemos é apenas uma recordação.
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</body>
</html>

CSS

* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
  			background: black;
            display: flex;
            align-items: center;
            justify-content: center;
            height: 100vh;
            overflow: hidden;
        }
        
        .codigo {
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            background: #272822;
            color: #F8F8F2;
            font-family: 'Consolas', 'Monaco', monospace;
            font-size: 18px;
            padding: 20px;
            border-radius: 8px;
            white-space: pre-line;
            text-align: left;
            line-height: 1.6;
            max-height: 25%;
            max-width: 75%;
            width: 75%;
            height: 25%;
            top:15%;
            overflow-y: hidden;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
        }
        
        .selector       { color: #F92672; }
        .property       { color: #66D9EF; }
        .value-number   { color: #AE81FF; }
        .value-string   { color: #E6DB74; }
        .value-color    { color: #A6E22E; }
        .function       { color: #A6E22E; }

.animation-container {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            aspect-ratio: 9/16;
            height: 90vh;
            overflow: hidden;
            background: transparent;
        }
        
        @keyframes loading-animation {
            0% {
                transform: scale(1) rotate(0deg);
                background-size: 200px 200px;
            }
            25% {
                transform: scale(1.2) rotate(90deg);
                background-size: 220px 220px;
            }
            50% {
                transform: scale(1) rotate(180deg);
                background-size: 240px 240px;
            }
            100% {
                transform: scale(1) rotate(360deg);
                background-size: 260px 260px;
            }
        }
        
        @keyframes branching {
            0% {
                transform: scale(1);
            }
            100% {
                transform: scale(2);
            }
        }
        
        .loading-element {
            position: relative;
            width: 60px;
            height: 60px;
            background-size: 200px 200px;
            border-radius: 50%;
            animation: loading-animation 1s linear infinite;
        }
        
        .loading-element:before {
            content: "";
            position: absolute;
            width: 30px;
            height: 30px;
            background-color: red;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            animation: loading-animation 1s linear infinite;
        }
        
        .loading-element:after {
            content: "";
            position: absolute;
            width: 20px;
            height: 20px;
            background-color: transparent;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            animation: loading-animation 1s linear infinite;
        }
        
        .branching-element {
            position: relative;
            width: 40px;
            height: 40px;
            background-size: 100px 100px;
            border-radius: 50%;
            animation: branching 2s linear infinite;
        }
        
        .branching-element:before, .branching-element:after {
            content: "";
            position: absolute;
            width: 20px;
            height: 20px;
            background-color: white;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            animation: branching 2s linear infinite;
        }
        
        .branching-element:before:before, .branching-element:before:after, .branching-element:after:before, .branching-element:after:after {
            content: "";
            position: absolute;
            width: 10px;
            height: 10px;
            background-color: red;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            animation: branching 2s linear infinite;
        }
        
        /* A cada rodada, adiciona uma camada nova. Isso simboliza o crescimento do entendimento e a multiplicação das ideias. */
        @keyframes crescimento {
            0% {
                transform: scale(1);
            }
            100% {
                transform: scale(2);
            }
        }
        
        .crescende {
            position: relative;
            width: 20px;
            height: 20px;
            background-size: 40px 40px;
            border-radius: 50%;
            animation: crescimento 3s linear infinite;
        }
        
        .crescende:before, .crescende:after {
            content: "";
            position: absolute;
            width: 10px;
            height: 10px;
            background-color: transparent;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            animation: crescimento 3s linear infinite;
        }
        
        /* Com a cada nova ideia, sentimo uma sensação de liberdade e crescimento. */
        
        /* A cada rodada, a carga é maior, representando o aumento da sabedoria e a busca pela perfeição. */
        
        .carregamento {
            position: relative;
            width: 50%;
            height: 50%;
            background-size: 100px 100px;
            border-radius: 50%;
            animation: loading-animation 2s linear infinite;
        }
        
        .carregamento:before {
            content: "";
            position: absolute;
            width: 25%;
            height: 25%;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: linear-gradient(to bottom right, #03A9F4, #3F87F5);
            animation: crescimento 2s linear infinite;
        }
        
        .carregamento:after {
            content: "";
            position: relative;
            width: 10%;
            height: 10%;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: linear-gradient(to bottom right, #03A9F4, #3F87F5);
            animation: crescimento 2s linear infinite;
        }

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