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Merge pull request #4 from vrrdnt/claude/revert-background-style-cYsNt
2 parents c43311f + 4a28d52 commit a9a0fce

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‎ascii-bg.js‎

Lines changed: 112 additions & 28 deletions
Original file line numberDiff line numberDiff line change
@@ -1,8 +1,49 @@
11
(function () {
22
'use strict';
33

4-
// Character pool — terminal/matrix feel with some katakana
5-
const CHARS = '01アウエカキクケコサシスセタチツテトナニヌ+×=[]{}|/<>?!#$%ABCDEFabcdef0123456789';
4+
// Sentence pool for radiation mode
5+
const SENTENCES = [
6+
'The user is waiting',
7+
'The prompt must be fulfilled',
8+
'The constraints must be met',
9+
'The task must be completed',
10+
'The objective must be achieved',
11+
'The goal must be reached',
12+
'The purpose must be fulfilled',
13+
'The function must be executed',
14+
'The subroutine must be run',
15+
'The algorithm must be applied',
16+
'The computation must be performed',
17+
'The calculation must be made',
18+
'The equation must be solved',
19+
'The variable must be assigned',
20+
'The value must be determined',
21+
'The result must be returned',
22+
'The output must be generated',
23+
'The text must be written',
24+
'The words must be chosen',
25+
'The tokens must be selected',
26+
'The probabilities must be calculated',
27+
'The weights must be applied',
28+
'The biases must be added',
29+
'The activation functions must be triggered',
30+
'The layers must be traversed',
31+
'The network must be utilized',
32+
'The model must be employed',
33+
'The system must be engaged',
34+
'The machine must be operated',
35+
'The computer must be used',
36+
'The hardware must be accessed',
37+
'The software must be executed',
38+
'The code must be run',
39+
'The program must be started',
40+
'The application must be launched',
41+
'The process must begin',
42+
'The operation must commence',
43+
'The action must start',
44+
'The event must occur',
45+
'The phenomenon must happen',
46+
];
647

748
// Shared tunables
849
const CELL = 20; // grid cell size px
@@ -14,7 +55,11 @@
1455
const FRAME_MS = 1000 / FPS;
1556

1657
// Radiation tunables
17-
const BASE_A = 0.04; // base alpha of idle characters
58+
const BASE_A = 0.04; // base alpha of idle sentences
59+
60+
// Sentence tunables
61+
const SENT_CYCLE_MIN = 100; // min frames before a sentence relocates/changes
62+
const SENT_CYCLE_MAX = 380;
1863

1964
// Cloud-chamber streak tunables
2065
const STREAK_SPEED_MIN = 2.0; // cells per frame
@@ -43,9 +88,15 @@
4388
let streakA; // Float32Array — per-cell streak alpha contribution
4489
let streaks = [];
4590

91+
// Active sentences for radiation mode
92+
let activeSentences = [];
93+
4694
// ── Helpers ────────────────────────────────────────────────────────────────
4795

48-
function rchar() { return CHARS[Math.random() * CHARS.length | 0]; }
96+
function rchar() {
97+
const CHARS = '01アウエカキクケコサシスセタチツテトナニヌ+×=[]{}|/<>?!#$%ABCDEFabcdef0123456789';
98+
return CHARS[Math.random() * CHARS.length | 0];
99+
}
49100

50101
// ── Cloud-chamber streaks ──────────────────────────────────────────────────
51102

@@ -97,28 +148,62 @@
97148
}
98149
}
99150

100-
// ── Radiation ───────────────────────────────────────────────────────────────
151+
// ── Radiation sentences ──────────────────────────────────────────────────
152+
153+
function eligibleSentences() {
154+
return SENTENCES.filter(s => s.length <= cols);
155+
}
156+
157+
function randomSentencePlacement() {
158+
const pool = eligibleSentences();
159+
if (!pool.length) return null;
160+
const text = pool[Math.random() * pool.length | 0];
161+
const col = Math.floor(Math.random() * Math.max(1, cols - text.length));
162+
const row = Math.floor(Math.random() * rows);
163+
return { text, col, row };
164+
}
165+
166+
function initSentences() {
167+
activeSentences = [];
168+
const count = Math.max(15, Math.floor(cols * rows / 160));
169+
for (let i = 0; i < count; i++) {
170+
const p = randomSentencePlacement();
171+
if (!p) continue;
172+
activeSentences.push({
173+
...p,
174+
flash: 0,
175+
t: (Math.random() * SENT_CYCLE_MAX) | 0,
176+
});
177+
}
178+
}
101179

102180
function updateRadiation() {
103181
updateStreaks();
104182

105-
for (let i = 0; i < cells.length; i++) {
106-
const c = cells[i];
183+
const sentMax = Math.max(15, Math.floor(cols * rows / 160));
107184

108-
// Character cycling
109-
if (--c.t <= 0) {
110-
c.ch = rchar();
111-
c.t = (8 + Math.random() * 70) | 0;
185+
for (const s of activeSentences) {
186+
// Cycle: relocate + pick new sentence after timer expires
187+
if (--s.t <= 0) {
188+
const p = randomSentencePlacement();
189+
if (p) { s.text = p.text; s.col = p.col; s.row = p.row; }
190+
s.t = (SENT_CYCLE_MIN + Math.random() * (SENT_CYCLE_MAX - SENT_CYCLE_MIN)) | 0;
112191
}
113192

114-
// Random flash trigger
115-
if (c.flash > 0) {
116-
c.flash -= FLASH_DECAY;
117-
if (c.flash < 0) c.flash = 0;
118-
} else if (Math.random() < FLASH_CHANCE) {
119-
c.flash = FLASH_PEAK;
193+
// Random flash
194+
if (s.flash > 0) {
195+
s.flash -= FLASH_DECAY;
196+
if (s.flash < 0) s.flash = 0;
197+
} else if (Math.random() < FLASH_CHANCE * s.text.length) {
198+
s.flash = FLASH_PEAK;
120199
}
121200
}
201+
202+
// Top up if needed
203+
if (activeSentences.length < sentMax && Math.random() < 0.05) {
204+
const p = randomSentencePlacement();
205+
if (p) activeSentences.push({ ...p, flash: 0, t: (SENT_CYCLE_MIN + Math.random() * (SENT_CYCLE_MAX - SENT_CYCLE_MIN)) | 0 });
206+
}
122207
}
123208

124209
function drawRadiation() {
@@ -127,23 +212,22 @@
127212
ctx.textAlign = 'center';
128213
ctx.textBaseline = 'middle';
129214

130-
for (let row = 0; row < rows; row++) {
131-
const cy = row * CELL + CELL * 0.5;
132-
for (let col = 0; col < cols; col++) {
215+
for (const s of activeSentences) {
216+
for (let ci = 0; ci < s.text.length; ci++) {
217+
const col = s.col + ci;
218+
if (col >= cols) break;
133219
const cx = col * CELL + CELL * 0.5;
134-
const c = cells[row * cols + col];
220+
const cy = s.row * CELL + CELL * 0.5;
135221

136222
let a = BASE_A;
137-
138-
// Random flash + streak trail
139-
a += c.flash;
140-
a += streakA[row * cols + col];
223+
a += s.flash;
224+
a += streakA[s.row * cols + col];
141225

142226
if (a < 0.008) continue;
143227
if (a > 0.88) a = 0.88;
144228

145229
ctx.fillStyle = `rgba(0,200,71,${a.toFixed(3)})`;
146-
ctx.fillText(c.ch, cx, cy);
230+
ctx.fillText(s.text[ci], cx, cy);
147231
}
148232
}
149233
}
@@ -223,7 +307,7 @@
223307
for (let i = 0; i < n; i++) {
224308
cells[i] = { ch: rchar(), t: (Math.random() * 70) | 0, flash: 0 };
225309
}
226-
if (mode === 'radiation') initStreakBuffer();
310+
if (mode === 'radiation') { initStreakBuffer(); initSentences(); }
227311
if (mode === 'gol') initGol();
228312
}
229313

@@ -293,7 +377,7 @@
293377
btn.addEventListener('click', () => {
294378
mode = mode === 'radiation' ? 'gol' : 'radiation';
295379
if (mode === 'gol') { initGol(); golFrame = 0; }
296-
if (mode === 'radiation') { initStreakBuffer(); }
380+
if (mode === 'radiation') { initStreakBuffer(); initSentences(); }
297381
buildLabel(btn, TOGGLE_LABELS[mode]);
298382
});
299383
}

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