model output
Gemini 3 Flash Preview

Thinking about SVG-preloaders
A 0.74T 0.30
1<!DOCTYPE html>
2<html lang="en">
3<head>
4    <meta charset="UTF-8">
5    <meta name="viewport" content="width=device-width, initial-scale=1.0">
6    <title>Circular Loading Animation</title>
7    <style>
8        body {
9            margin: 0;
10            display: flex;
11            justify-content: center;
12            align-items: center;
13            height: 100vh;
14            background-color: #050505;
15            /* Subtle grid pattern matching the video background */
16            background-image: 
17                linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
18                linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
19            background-size: 18px 18px;
20            overflow: hidden;
21        }
22
23        .loader-container {
24            position: relative;
25            width: 100px;
26            height: 100px;
27            display: flex;
28            justify-content: center;
29            align-items: center;
30            /* Timing matches the ~1.5s revolution observed in the video */
31            animation: spin 1.5s linear infinite;
32        }
33
34        .dot {
35            position: absolute;
36            width: 8.5px;
37            height: 8.5px;
38            border-radius: 50%;
39            /* Smoothing the edges for a slightly soft look like the video */
40            box-shadow: 0 0 1px rgba(0,0,0,0.5);
41        }
42
43        @keyframes spin {
44            from { transform: rotate(0deg); }
45            to { transform: rotate(360deg); }
46        }
47    </style>
48</head>
49<body>
50
51    <div class="loader-container" id="loader"></div>
52
53    <script>
54        const loader = document.getElementById('loader');
55        const totalDots = 12;
56        const radius = 32; // Distance from center
57
58        /**
59         * Colors derived from the video frames:
60         * Starts at bright yellow and transitions through lime, green, teal, and blue 
61         * before fading into the background.
62         */
63        const colors = [
64            '#f1c40f', // Bright Yellow (Head)
65            '#d4e157', // Lime
66            '#aed581', // Light Green
67            '#66bb6a', // Green
68            '#26a69a', // Teal
69            '#009688', // Dark Teal
70            '#00796b', // Deep Teal
71            '#004d40', // Very Dark Teal
72            '#1a1a1a', // Fade start
73            '#111111',
74            '#0a0a0a',
75            '#050505'  // Tail end (Transparent/Black)
76        ];
77
78        for (let i = 0; i < totalDots; i++) {
79            const dot = document.createElement('div');
80            dot.className = 'dot';
81            
82            // Positioning the dots in a circle. 
83            // Negative i * 30 ensures dot 0 is the "head" and subsequent dots trail behind in clockwise rotation.
84            const angle = (i * 30); 
85            const radians = (angle - 90) * (Math.PI / 180); // Start at 12 o'clock
86
87            const x = Math.cos(radians) * radius;
88            const y = Math.sin(radians) * radius;
89
90            // Apply calculated position
91            dot.style.left = `calc(50% + ${x}px - 4.25px)`;
92            dot.style.top = `calc(50% + ${y}px - 4.25px)`;
93            
94            // Set color from the palette
95            dot.style.backgroundColor = colors[i];
96            
97            // Replicate the "comet" trail effect: 
98            // Leading dots are full size and opaque, trailing dots shrink and fade.
99            const fadeFactor = i / (totalDots - 1);
100            dot.style.opacity = Math.max(0, 1 - fadeFactor * 1.1);
101            dot.style.transform = `scale(${1 - fadeFactor * 0.4})`;
102
103            // Add a subtle glow to the leading dots
104            if (i < 5) {
105                dot.style.boxShadow = `0 0 6px ${colors[i]}66`;
106            }
107
108            loader.appendChild(dot);
109        }
110    </script>
111</body>
112</html>