Halo

1"use client"
2 
3import * as React from "react"
4import { useFrame } from "@react-three/fiber"
5import * as THREE from "three"
6 
7import {
8  SceneContainer,
9  type SceneContainerProps,
10} from "@/components/threecn/scene-container"
11import {
12  useShadcnTheme,
13  type ThemeMode,
14} from "@/components/hooks/use-shadcn-theme"
15 
16function Ring({
17  radius,
18  tilt,
19  speed,
20  color,
21  satellite,
22}: {
23  radius: number
24  tilt: [number, number, number]
25  speed: number
26  color: THREE.Color
27  satellite: THREE.Color
28}) {
29  const groupRef = React.useRef<THREE.Group>(null)
30  useFrame((_, delta) => {
31    if (groupRef.current) groupRef.current.rotation.z += delta * speed
32  })
33  return (
34    <group rotation={tilt}>
35      <group ref={groupRef}>
36        <mesh>
37          <torusGeometry args={[radius, 0.012, 12, 160]} />
38          <meshBasicMaterial color={color} transparent opacity={0.55} />
39        </mesh>
40        {/* orbiting satellite */}
41        <mesh position={[radius, 0, 0]}>
42          <sphereGeometry args={[0.07, 16, 16]} />
43          <meshStandardMaterial
44            color={satellite}
45            emissive={satellite}
46            emissiveIntensity={1.2}
47            toneMapped={false}
48          />
49        </mesh>
50      </group>
51    </group>
52  )
53}
54 
55function HaloCore({
56  rings,
57  speed,
58  glow,
59  theme,
60}: {
61  rings: number
62  speed: number
63  glow: number
64  theme: ThemeMode
65}) {
66  const { primaryColor, accentColor, mutedColor, foregroundColor } =
67    useShadcnTheme(theme)
68  const palette = [primaryColor, accentColor, mutedColor]
69 
70  const config = React.useMemo(
71    () =>
72      Array.from({ length: rings }, (_, i) => ({
73        radius: 1.5 + i * 0.55,
74        tilt: [
75          Math.PI / 2 + (i - rings / 2) * 0.5,
76          i * 0.7,
77          i * 0.4,
78        ] as [number, number, number],
79        speed: (0.5 + i * 0.25) * (i % 2 ? -1 : 1),
80        colorKey: i % 3,
81      })),
82    [rings]
83  )
84 
85  return (
86    <group>
87      {/* glowing core */}
88      <mesh>
89        <sphereGeometry args={[0.65, 48, 48]} />
90        <meshStandardMaterial
91          color={foregroundColor}
92          emissive={primaryColor}
93          emissiveIntensity={glow}
94          toneMapped={false}
95        />
96      </mesh>
97      <mesh scale={1.3}>
98        <sphereGeometry args={[0.65, 32, 32]} />
99        <meshBasicMaterial color={primaryColor} transparent opacity={0.08} />
100      </mesh>
101      {config.map((r, i) => (
102        <Ring
103          key={i}
104          radius={r.radius}
105          tilt={r.tilt}
106// … truncated