Prism Bloom

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 CellLattice2Props = CellForgeCommonProps;
17 
18const ROW_COUNTS = [3, 4, 5, 4, 3] as const;
19const BASE_OPACITY = 0.08;
20const MID_OPACITY = 0.44;
21const HIGH_OPACITY = 0.98;
22const HEX_ROW_PITCH_RATIO = Math.sqrt(3) / 2;
23 
24function hexPatternIndex(row: number, rowCount: number, col: number): number {
25  return row * ROW_COUNTS[2] + Math.floor((ROW_COUNTS[2] - rowCount) / 2) + col;
26}
27const SPOKE_WIDTH = 0.34;
28 
29function clamp01(n: number | undefined) {
30  if (n == null || !Number.isFinite(n)) {
31    return;
32  }
33  return Math.min(1, Math.max(0, n));
34}
35 
36function angularDistance(a: number, b: number): number {
37  const diff = Math.abs(Math.atan2(Math.sin(a - b), Math.cos(a - b)));
38  return Math.min(diff, Math.PI * 2 - diff);
39}
40 
41function pointForCell(row: number, col: number): { angle: number; radius: number } {
42  const count = ROW_COUNTS[row] ?? 1;
43  const x = col - (count - 1) / 2;
44  const y = (row - 2) * HEX_ROW_PITCH_RATIO;
45  const radius = Math.sqrt(x * x + y * y);
46  return { angle: Math.atan2(y, x), radius };
47}
48 
49function opacityForCell(row: number, col: number, phase: number): number {
50  const { angle, radius } = pointForCell(row, col);
51  if (radius < 0.01) {
52    return MID_OPACITY + Math.sin(phase * Math.PI * 2) * 0.18;
53  }
54 
55  const rotation = phase * Math.PI * 2;
56  const spokeA = angularDistance(angle, rotation);
57  const spokeB = angularDistance(angle, rotation + (Math.PI * 2) / 3);
58  const spokeC = angularDistance(angle, rotation + (Math.PI * 4) / 3);
59  const nearestSpoke = Math.min(spokeA, spokeB, spokeC);
60  const spokeGlow = Math.max(0, 1 - nearestSpoke / SPOKE_WIDTH);
61  const outerPulse = 0.5 + 0.5 * Math.sin(phase * Math.PI * 2 - radius * 2.2);
62// … truncated