Analog Clock Screensaver

1"use client";
2 
3import { useRef } from "react";
4import { useAnimationFrame } from "motion/react";
5import { cn } from "@/lib/utils";
6 
7interface AnalogClockScreensaverProps {
8  title?: string;
9  className?: string;
10  accentColor?: string;
11  backgroundClassName?: string;
12}
13 
14export default function AnalogClockScreensaver({
15  title = "Refinery",
16  className = "",
17  accentColor = "#d13b28",
18  backgroundClassName = "bg-neutral-900",
19}: AnalogClockScreensaverProps) {
20  const secondHandRef = useRef<SVGLineElement | null>(null);
21  const minuteHandRef = useRef<SVGLineElement | null>(null);
22  const hourHandRef = useRef<SVGLineElement | null>(null);
23 
24  useAnimationFrame(() => {
25    const now = new Date();
26    const seconds = now.getSeconds() + now.getMilliseconds() / 1000;
27    const minutes = now.getMinutes() + seconds / 60;
28    const hours = (now.getHours() % 12) + minutes / 60;
29 
30    secondHandRef.current?.setAttribute(
31      "transform",
32      `rotate(${seconds * 6} 50 50)`
33    );
34    minuteHandRef.current?.setAttribute(
35      "transform",
36      `rotate(${minutes * 6} 50 50)`
37    );
38    hourHandRef.current?.setAttribute(
39      "transform",
40      `rotate(${hours * 30} 50 50)`
41    );
42  });
43 
44  return (
45    <div
46      className={cn(
47        "flex h-screen w-full flex-col items-center justify-center gap-2 text-neutral-100",
48        backgroundClassName,
49        className
50      )}
51    >
52      <svg
53        viewBox="0 0 100 100"
54        className="size-[min(80vw,20rem)] overflow-visible rounded-full"
55        role="img"
56        aria-label="Analog clock"
57      >
58        <circle
59          cx="50"
60          cy="50"
61          r="48"
62          fill="none"
63          stroke="currentColor"
64          strokeOpacity="0.14"
65          strokeWidth="1.5"
66        />
67        <line
68          ref={hourHandRef}
69          x1="50"
70          y1="50"
71          x2="50"
72          y2="28"
73          stroke="currentColor"
74          strokeLinecap="round"
75          strokeWidth="3"
76        />
77        <line
78          ref={minuteHandRef}
79          x1="50"
80          y1="50"
81          x2="50"
82          y2="20"
83          stroke="currentColor"
84          strokeLinecap="round"
85          strokeWidth="2.2"
86        />
87        <line
88          ref={secondHandRef}
89          x1="50"
90          y1="56"
91          x2="50"
92          y2="12"
93          stroke={accentColor}
94          strokeLinecap="round"
95          strokeWidth="1.5"
96        />
97        <circle
98          cx="50"
99          cy="50"
100          r="2.6"
101// … truncated