Spiral Lattice

1"use client";
2 
3import type { CSSProperties } from "react";
4 
5import { cx } from "@/components/ui/cellforge-core";
6import { resolveDmxColorTokens } from "@/components/ui/cellforge-core";
7import { styleOpacity, stylePx } from "@/components/ui/cellforge-core";
8import { remapOpacityToTriplet } from "@/components/ui/cellforge-core";
9import { dmxBloomRootActive, dmxDotBloomParts } from "@/components/ui/cellforge-core";
10import { getPatternIndexes } from "@/components/ui/cellforge-core";
11import { useCellForgePhases } from "@/components/ui/cellforge-hooks";
12import { useCyclePhase } from "@/components/ui/cellforge-hooks";
13import { usePrefersReducedMotion } from "@/components/ui/cellforge-hooks";
14import type { CellForgeCommonProps } from "@/components/ui/cellforge-core";
15 
16export type CellLattice5Props = CellForgeCommonProps;
17 
18const ROW_COUNTS = [3, 4, 5, 4, 3] as const;
19const BASE_OPACITY = 0.08;
20const HIGH_OPACITY = 0.96;
21const HEX_ROW_PITCH_RATIO = Math.sqrt(3) / 2;
22 
23function hexPatternIndex(row: number, rowCount: number, col: number): number {
24  return row * ROW_COUNTS[2] + Math.floor((ROW_COUNTS[2] - rowCount) / 2) + col;
25}
26 
27function clamp01(n: number | undefined) {
28  if (n == null || !Number.isFinite(n)) {
29    return;
30  }
31  return Math.min(1, Math.max(0, n));
32}
33 
34function pointForCell(row: number, col: number): { angle: number; radius: number } {
35  const count = ROW_COUNTS[row] ?? 1;
36  const x = col - (count - 1) / 2;
37  const y = (row - 2) * HEX_ROW_PITCH_RATIO;
38  return {
39    angle: Math.atan2(y, x),
40    radius: Math.sqrt(x * x + y * y)
41  };
42}
43 
44function wavePeak(value: number): number {
45  const wrapped = ((value % 1) + 1) % 1;
46  return Math.max(0, 1 - Math.abs(wrapped * 2 - 1) / 0.55);
47}
48 
49function opacityForCell(row: number, col: number, phase: number): number {
50  const { angle, radius } = pointForCell(row, col);
51  const spiral = phase + radius * 0.18 + angle / (Math.PI * 2);
52  const counterSpiral = phase * 0.72 - radius * 0.16 - angle / (Math.PI * 2);
53  const a = wavePeak(spiral);
54  const b = wavePeak(counterSpiral) * 0.55;
55  const core = radius < 0.1 ? 0.54 + Math.sin(phase * Math.PI * 4) * 0.26 : 0;
56 
57  return Math.min(HIGH_OPACITY, BASE_OPACITY + a * 0.7 + b * 0.42 + core);
58}
59 
60export function CellLattice5({
61  size = 34,
62  dotSize = 5,
63  color = "currentColor",
64  colorPreset,
65  ariaLabel = "Loading",
66  className,
67  muted = false,
68  bloom = false,
69  halo = 0,
70  dotClassName,
71  dotShape = "circle",
72  speed = 1.75,
73  animated = true,
74  hoverAnimated = false,
75// … truncated