Pillar Sweep

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 { useCellForgePhases } from "@/components/ui/cellforge-hooks";
8import { styleOpacity, stylePx } from "@/components/ui/cellforge-core";
9import { remapOpacityToTriplet } from "@/components/ui/cellforge-core";
10import { dmxBloomRootActive, dmxDotBloomParts } from "@/components/ui/cellforge-core";
11import { useCyclePhase } from "@/components/ui/cellforge-hooks";
12import { usePrefersReducedMotion } from "@/components/ui/cellforge-hooks";
13import type { CellForgeCommonProps } from "@/components/ui/cellforge-core";
14 
15export type CellAngle14Props = CellForgeCommonProps;
16 
17const MATRIX_SIZE = 7;
18 
19const BASE_OPACITY = 0.07;
20const MID_OPACITY = 0.32;
21const HIGH_OPACITY = 0.96;
22 
23const TRIANGLE_CELLS = new Set([
24  "1,3",
25  "2,2",
26  "2,4",
27  "3,1",
28  "3,3",
29  "3,5",
30  "4,0",
31  "4,2",
32  "4,4",
33  "4,6"
34]);
35 
36function isWithinTriangleMask(row: number, col: number): boolean {
37  if (row < 0 || row >= MATRIX_SIZE || col < 0 || col >= MATRIX_SIZE) {
38    return false;
39  }
40 
41  return TRIANGLE_CELLS.has(`${row},${col}`);
42}
43 
44function smoothstep01(edge0: number, edge1: number, x: number): number {
45  if (edge1 <= edge0) {
46    return x >= edge1 ? 1 : 0;
47  }
48  const t = Math.max(0, Math.min(1, (x - edge0) / (edge1 - edge0)));
49  return t * t * (3 - 2 * t);
50}
51 
52/**
53 * A soft vertical “pillar” of brightness sweeps column 0→6; only masked dots respond,
54 * so the triangle appears to light one vertical slice at a time (not a cell path).
55 */
56function opacityForCell(row: number, col: number, phase: number): number {
57  const beamCenter = phase * 7.2 - 0.35;
58  const dist = Math.abs(col - beamCenter);
59  const core = 1 - smoothstep01(0, 0.62, dist);
60  const halo = 1 - smoothstep01(0.35, 1.42, dist);
61  const eased = core * 0.92 + halo * 0.22;
62  let opacity = BASE_OPACITY + eased * (HIGH_OPACITY - BASE_OPACITY);
63 
64  if (row === 3 && col === 3) {
65    opacity = Math.max(opacity, MID_OPACITY + eased * 0.28);
66  }
67 
68  return Math.min(HIGH_OPACITY, opacity);
69}
70 
71export function CellAngle14({
72  size = 30,
73  dotSize = 6.5,
74  color = "currentColor",
75  colorPreset,
76  ariaLabel = "Loading",
77  className,
78  muted = false,
79  bloom = false,
80  halo = 0,
81  dotClassName,
82  dotShape = "circle",
83  speed = 1.45,
84  animated = true,
85  hoverAnimated = false,
86  cellPadding,
87  opacityBase,
88  opacityMid,
89  opacityPeak
90}: CellAngle14Props) {
91// … truncated