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Monorepo for Aesthetic.Computer aesthetic.computer
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JavaScript
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113import { createSonicFrameEngine } from "../kidlisp-wasm/sonic-frame.mjs";import { getSonicFixture, listSonicFixtures } from "../kidlisp-wasm/sonic-fixtures.mjs";
function mean(values) { return values.reduce((sum, value) => sum + value, 0) / Math.max(1, values.length);}
function range(values) { if (values.length === 0) return 0; return Math.max(...values) - Math.min(...values);}
function averageL1Change(series) { if (series.length < 2) return 0; let total = 0; for (let i = 1; i < series.length; i += 1) { const previous = series[i - 1]; const current = series[i]; let step = 0; for (let j = 0; j < current.length; j += 1) { step += Math.abs(current[j] - previous[j]); } total += step / current.length; } return total / (series.length - 1);}
function activeExpertCount(series, threshold = 0.12) { const sums = new Array(series[0]?.length || 0).fill(0); for (const weights of series) { for (let i = 0; i < weights.length; i += 1) { sums[i] += weights[i]; } } return sums.filter((sum) => sum / Math.max(1, series.length) >= threshold).length;}
function analyzeFixture(name, options = {}) { const fixture = getSonicFixture(name); if (!fixture) { throw new Error(`Unknown fixture ${name}. Available: ${listSonicFixtures().join(", ")}`); }
const width = options.width || 64; const height = options.height || 64; const frames = options.frames || 24; const fps = options.fps || 24; const sampleRate = options.sampleRate || 24000; const style = options.style || "default"; const engine = createSonicFrameEngine({ source: `fixture:${name}`, width, height, fps, sampleRate, style, });
const frameStats = []; for (let frame = 0; frame < frames; frame += 1) { const rgba = fixture.render({ width, height, frame, frames }); const sonicFrame = engine.synthesizeFrame(rgba, frame); frameStats.push(sonicFrame.analysis); }
const rms = frameStats.map((entry) => (entry.rmsLeft + entry.rmsRight) * 0.5); const stereo = frameStats.map((entry) => entry.stereoSpread); const latentFlux = frameStats.map((entry) => entry.latentFlux); const expertSeries = frameStats.map((entry) => entry.expertMix); const motion = frameStats.map((entry) => entry.motionSpread);
return { meanRms: mean(rms), rmsRange: range(rms), meanStereoSpread: mean(stereo), meanLatentFlux: mean(latentFlux), meanMotionSpread: mean(motion), expertDrift: averageL1Change(expertSeries), activeExperts: activeExpertCount(expertSeries), };}
describe("kidlisp-wasm hybrid latent sonic fixtures", () => { it("keeps a pulsing square sonically active", () => { const metrics = analyzeFixture("pulse-square"); expect(metrics.meanRms).toBeGreaterThan(0.05); expect(metrics.rmsRange).toBeGreaterThan(0.01); expect(metrics.meanStereoSpread).toBeGreaterThan(0.015); expect(metrics.meanLatentFlux).toBeGreaterThan(0.02); expect(metrics.meanMotionSpread).toBeGreaterThan(0.2); expect(metrics.activeExperts).toBeGreaterThanOrEqual(3); });
it("lets a gradient sweep span range without freezing into one decoder", () => { const metrics = analyzeFixture("gradient-sweep"); expect(metrics.meanRms).toBeGreaterThan(0.05); expect(metrics.rmsRange).toBeGreaterThan(0.008); expect(metrics.meanStereoSpread).toBeGreaterThan(0.01); expect(metrics.meanLatentFlux).toBeGreaterThan(0.018); expect(metrics.meanMotionSpread).toBeGreaterThan(0.18); expect(metrics.activeExperts).toBeGreaterThanOrEqual(3); });
it("keeps orbiting blobs moving through the latent field", () => { const metrics = analyzeFixture("orbit-blobs"); expect(metrics.meanRms).toBeGreaterThan(0.05); expect(metrics.meanMotionSpread).toBeGreaterThan(0.2); expect(metrics.meanStereoSpread).toBeGreaterThan(0.015); expect(metrics.meanLatentFlux).toBeGreaterThan(0.018); expect(metrics.activeExperts).toBeGreaterThanOrEqual(3); });});