50:I[314491,["/_next/static/immutable/chunks/3arlv5bvukoo2.js","/_next/static/immutable/chunks/39v64hmfyo-sr.js","/_next/static/immutable/chunks/2nvof3-29tvc3.js","/_next/static/immutable/chunks/3tjobt77z_9dj.js","/_next/static/immutable/chunks/04j_o97cgxn2x.js","/_next/static/immutable/chunks/3upr08c9vtj8w.js","/_next/static/immutable/chunks/1ww0328si-u8x.js","/_next/static/immutable/chunks/11mfl5ymqld9-.js","/_next/static/immutable/chunks/2xxcqy6ppds3l.js","/_next/static/immutable/chunks/3j06ow7w40nxu.js","/_next/static/immutable/chunks/31nn7jwsjvqii.js","/_next/static/immutable/chunks/43_s7jweyypoh.js","/_next/static/immutable/chunks/0p6vao205o1jc.js","/_next/static/immutable/chunks/1_kyvgkyokw92.js","/_next/static/immutable/chunks/1lo-zn37dolb5.js","/_next/static/immutable/chunks/1v8k6yxw1rg0u.js"],"FilesView"] 51:T8b18,'use client'; import { useEffect, useRef, type HTMLAttributes, type RefObject } from 'react'; import './LaserFlow.css'; export interface LaserFlowProps extends Omit, 'color'> { surfaceRef?: RefObject; beamPosition?: number; surfaceLevel?: number; color?: string; intensity?: number; beamWidth?: number; flare?: number; spread?: number; spill?: number; fog?: number; dust?: number; streaks?: number; dots?: number; pulse?: number; speed?: number; seed?: number; mouseInteraction?: boolean; revealImage?: string; revealRadius?: number; revealOpacity?: number; intro?: boolean; theme?: 'dark' | 'light'; paused?: boolean; dpr?: number; } type Settings = { surfaceRef?: RefObject; beamPosition: number; surfaceLevel: number; color: string; intensity: number; beamWidth: number; flare: number; spread: number; spill: number; fog: number; dust: number; streaks: number; dots: number; pulse: number; speed: number; seed: number; mouseInteraction: boolean; revealImage?: string; revealRadius: number; revealOpacity: number; intro: boolean; theme: 'dark' | 'light'; paused: boolean; dpr?: number; }; type Surface = { left: number; top: number; right: number; bottom: number; radius: number; real: boolean; }; const VERTEX = `#version 300 es in vec2 aPosition; void main() { gl_Position = vec4(aPosition, 0.0, 1.0); }`; const FRAGMENT = `#version 300 es precision highp float; out vec4 outColor; uniform vec2 uResolution; uniform float uDpr; uniform float uScale; uniform float uTime; uniform float uBeamX; uniform vec4 uSurface; uniform float uRadius; uniform vec3 uIntro; uniform vec4 uPour; uniform vec2 uRun; uniform vec4 uLens; uniform sampler2D uReveal; uniform vec4 uRevealMap; uniform vec2 uRevealInfo; uniform float uAtmosphere; uniform vec4 uAmount; uniform vec4 uShape; uniform vec4 uExtra; uniform float uTheme; uniform vec3 uTint[16]; #define BEAM uTint[0] #define LEFT uTint[1] #define RIGHT uTint[2] #define CYAN uTint[3] #define PINK uTint[4] #define LILAC uTint[5] #define SKY uTint[6] #define PURPLE uTint[7] #define DEEP uTint[8] #define MIST uTint[9] #define NAVY uTint[10] #define WARM uTint[11] #define EMBER uTint[12] #define WHITE uTint[13] #define HAZE uTint[14] #define LAVENDER uTint[15] float hash(vec2 p) { p = fract(p * vec2(123.34, 456.21)); p += dot(p, p + 45.32); return fract(p.x * p.y); } float noise(vec2 p) { vec2 i = floor(p); vec2 f = fract(p); vec2 u = f * f * (3.0 - 2.0 * f); return mix(mix(hash(i), hash(i + vec2(1.0, 0.0)), u.x), mix(hash(i + vec2(0.0, 1.0)), hash(i + vec2(1.0, 1.0)), u.x), u.y); } float fbm(vec2 p) { float v = 0.0; float a = 0.5; mat2 m = mat2(1.6, 1.2, -1.2, 1.6); for (int i = 0; i < 5; i++) { v += a * noise(p); p = m * p; a *= 0.5; } return v; } float sq(float x) { return x * x; } float roundBox(vec2 p, vec2 b, float r) { vec2 q = abs(p) - b + r; return length(max(q, 0.0)) + min(max(q.x, q.y), 0.0) - r; } vec3 spill(float e, float fall, float strength, float front, float t, out vec3 glow) { glow = vec3(0.0); if (strength < 0.0005) return vec3(0.0); float f = max(fall, 0.0); float d = max(e, 0.0); float u = d / (6.0 + 0.28 * f); float start = smoothstep(-6.0, 12.0, fall); float fade = exp(-sq(max(f - 125.0, 0.0) / 40.0)); float streak = 0.88 + 0.24 * noise(vec2(u * 6.0, f / 22.0 - t * 1.7)); float bright = pow(strength, 1.5); float soft = sqrt(strength); float warmth = smoothstep(90.0, 130.0, f); vec3 coreK = mix(WHITE, WARM, warmth * exp(-d / 9.0)); float core = mix(9.0, 2.6, warmth) * exp(-sq(d / (3.5 + 0.04 * f))) * exp(-sq(max(f - 130.0, 0.0) / 38.0)); float wall = 24.0 * exp(-sq(d / 1.1)) * exp(-sq(max(f - 100.0, 0.0) / 30.0)); float bandCenter = 0.7 - 0.3 * smoothstep(30.0, 110.0, f); float offset = u - bandCenter; float decay = (1.05 - bandCenter) / 1.31; float profile = offset < 0.0 ? exp(-sq(offset / 0.3)) : exp(-offset / decay); profile *= 1.0 - smoothstep(1.0, 1.4, u); vec3 bandA = mix(CYAN, PINK, smoothstep(50.0, 75.0, f)); bandA = mix(bandA, LILAC, smoothstep(100.0, 125.0, f)); vec3 bandB = mix(SKY, PURPLE, smoothstep(50.0, 75.0, f)); vec3 fanK = mix(bandA, bandB, smoothstep(0.06, 0.18, offset)); fanK = mix(fanK, DEEP, smoothstep(0.22, 0.42, offset)); vec3 thread = WHITE * wall * bright + coreK * core * streak * bright; glow += fanK * 4.5 * profile * fade * streak * bright; glow += MIST * 0.7 * exp(-max(u - 1.0, 0.0) / 0.9) * smoothstep(0.7, 1.2, u) * fade * soft; glow += EMBER * 0.35 * exp(-sq((f - 165.0) / 22.0)) * exp(-d / 25.0) * bright; float lag = u * (6.0 + 0.28 * f) * 0.35; float reveal = 1.0 - smoothstep(front - 70.0, front + 8.0, f + lag); glow *= start * reveal; return thread * start * reveal; } vec3 easeLight(vec3 light, float amount) { return -log(max(1.0 - amount * (1.0 - exp(-light)), vec3(0.0001))); } void main() { vec2 frag = vec2(gl_FragCoord.x, uResolution.y * uDpr - gl_FragCoord.y) / uDpr; vec2 p = frag / uScale; float t = uTime; float bx = uBeamX / uScale; float sl = uSurface.x / uScale; float sy = uSurface.y / uScale; float sr = uSurface.z / uScale; float sb = uSurface.w / uScale; float radius = uRadius / uScale; float dx = p.x - bx; float adx = abs(dx); float h = sy - p.y; float hp = max(h, 0.0); float above = smoothstep(-0.5, 0.5, h); float side = smoothstep(-24.0, 24.0, dx); vec3 sideK = mix(mix(LAVENDER, LEFT, smoothstep(40.0, 140.0, adx)), RIGHT, side); float beamWidth = uShape.x; float flare = uShape.y; float spread = 250.0 * uShape.z; float reachL = max(bx - sl, 1.0); float reachR = max(sr - bx, 1.0); float reach = dx < 0.0 ? reachL : reachR; float layerLen = clamp(0.29 * reach, 20.0, 100.0) * sqrt(uShape.z); float run = uRun.x; float runMask = 1.0 - smoothstep(run - 34.0, run + 6.0, adx); float bead = exp(-sq((adx - run + 16.0) / (18.0 + 0.04 * run))) * uRun.y; float flowMask = (1.0 - smoothstep(0.75 * spread, 1.1 * spread, adx)) * runMask; float edgeMask = (1.0 - smoothstep(0.8 * spread, 1.25 * spread, adx)) * runMask; float bloom = uIntro.y; vec2 center = vec2((sl + sr) * 0.5, (sy + sb) * 0.5); vec2 halfSize = vec2((sr - sl) * 0.5, (sb - sy) * 0.5); float sd = roundBox(p - center, halfSize, radius); float outline = max(sd, 0.0); float below = max(p.y - sy - radius, 0.0); float hug = smoothstep(-0.5, 0.5, sd) * exp(-sq(below / 14.0)); float hugWide = smoothstep(-0.5, 0.5, sd) * exp(-sq(below / 40.0)); vec3 col = vec3(0.0); float breathe = 1.0 + uExtra.x * (0.12 * sin(t * 1.5708) + 0.08 * (noise(vec2(t * 0.5, 3.0)) - 0.5)); float front = uIntro.x / uScale; float drop = smoothstep(front + 10.0, front - 110.0, p.y); float falling = 1.0 - smoothstep(sy - 24.0, sy, front); float top = mix(0.3, 1.0, smoothstep(0.0, 0.3 * sy, p.y)); float beamCore = 24.0 * exp(-adx / (2.0 * beamWidth)); float beamHalo = 1.3 * exp(-adx / (6.0 * beamWidth)) + 0.3 * exp(-adx / (22.0 * beamWidth)); vec3 haloK = mix(BEAM, sideK, exp(-hp / 80.0)); col += (BEAM * beamCore + haloK * beamHalo) * top * above * drop; float head = exp(-sq((p.y - front) / 24.0)) * falling; col += mix(WHITE, BEAM, 0.35) * head * (7.0 * exp(-adx / (2.6 * beamWidth)) + 1.0 * exp(-adx / (14.0 * beamWidth))); float psi = adx * (outline + 1.0); float rise = max(hp - 17.9 * flare, 0.0); float skirtAmp = 16.6 * (exp(-sq(rise / (11.8 * flare))) + 0.3 * exp(-rise / (60.0 * flare))); float skirtSpread = mix(134.0, 155.0, side) * breathe * flare * flare * mix(0.35, 1.0, min(bloom, 1.0)) * max(bloom, 1.0); float skirt = skirtAmp * exp(-psi / skirtSpread) * exp(-sq(adx / (max(layerLen, 60.0 * sqrt(uShape.z)) * 1.48))) * hug; col += sideK * skirt * flowMask * min(bloom, 1.0); float layer = 12.0 * exp(-adx / layerLen) * exp(-outline / (0.19 * layerLen)) * (1.0 + 0.4 * bead); col += sideK * layer * hug * flowMask * min(bloom, 1.0); float washMask = smoothstep(sl - 60.0, sl + 6.0, p.x) * (1.0 - smoothstep(sr - 6.0, sr + 45.0, p.x)); float wash = 1.4 * exp(-adx / 100.0) * exp(-outline / 30.0); col += mix(BEAM, sideK, 0.25) * wash * hugWide * washMask * flowMask * min(bloom, 1.0); float highWash = 0.7 * exp(-adx / 140.0) * exp(-outline / 60.0); col += mix(BEAM, NAVY, 0.5) * highWash * hugWide * washMask * runMask * min(bloom, 1.0); float sideSign = dx < 0.0 ? 0.0 : 1.0; float along = 0.5 * log((hp + 1.0) / (adx + 1.0)); float lineScale = 6.0; float lp = log(max(psi, 1.0) / (120.0 * flare * flare)) * lineScale; float lineIndex = floor(lp) + sideSign * 97.0; float wobble = 0.22 * (noise(vec2(lineIndex * 3.7, t * 0.4 + along)) - 0.5); float lf = fract(lp + wobble) - 0.5; float gradient = lineScale * length(vec2(hp + 1.0, adx)) / max(psi, 1.0) / uScale; float halfWidth = max(0.35 * gradient, 0.0001); float drawWidth = max(halfWidth, 0.6 * gradient); float lineShape = exp(-lf * lf / (drawWidth * drawWidth)) * (halfWidth / drawWidth); float lineOn = step(0.3, hash(vec2(lineIndex, 1.3))); float lineFlow = smoothstep(0.25, 0.85, noise(vec2(lineIndex * 5.3 + 2.0, along * 3.0 + t * 1.1))); float flareArea = 120.0 * flare * flare; float lineEnvelope = smoothstep(0.85 * flareArea, 1.4 * flareArea, psi) * (1.0 - smoothstep(3.2 * flareArea, 7.5 * flareArea, psi)); lineEnvelope *= exp(-adx / (layerLen * 1.5)) * hug * flowMask * (1.0 - smoothstep(35.0 * flare, 80.0 * flare, hp)); float lineBright = mix(0.35, 1.0, hash(vec2(lineIndex, 4.0))); col += mix(sideK, WHITE, 0.6) * lineShape * lineOn * lineFlow * lineEnvelope * lineBright * 2.6 * uAmount.w * min(bloom, 1.0); float edgeGlow = 22.8 * exp(-sq(adx / (150.0 * uShape.z))) * edgeMask * (1.0 + 0.9 * bead); float onTop = 1.0 - smoothstep(sy + radius, sy + radius + 10.0, p.y); float edgeLine = (exp(-sq(max(sd, 0.0) / 0.9)) + 0.12 * exp(-max(sd, 0.0) / 3.0)) * edgeGlow * onTop; col += mix(sideK, WHITE, 0.6) * edgeLine * min(bloom, 1.0); float pour = uShape.w; float baseline = exp(-sq(130.0 / 150.0)); float strengthR = exp(-sq(reachR / (150.0 * uShape.z))) * (1.0 - smoothstep(0.8 * spread, 1.25 * spread, reachR)) / baseline * pour; float strengthL = exp(-sq(reachL / (150.0 * uShape.z))) * (1.0 - smoothstep(0.8 * spread, 1.25 * spread, reachL)) / baseline * pour; float fallY = p.y - sy - 0.3 * radius; float rightHalf = smoothstep(center.x - 4.0, center.x + 4.0, p.x); float haloR = exp(-length(p - vec2(sr - 0.3 * radius, sy + 0.3 * radius)) / 40.0) * sqrt(strengthR); float haloL = exp(-length(p - vec2(sl + 0.3 * radius, sy + 0.3 * radius)) / 40.0) * sqrt(strengthL); vec3 glowR; vec3 glowL; col += spill(sd, fallY, strengthR, uPour.y, t, glowR) * rightHalf; col += spill(sd, fallY, strengthL, uPour.x, t, glowL) * (1.0 - rightHalf); col += easeLight(glowR * rightHalf + NAVY * 0.9 * haloR, uPour.w); col += easeLight(glowL * (1.0 - rightHalf) + NAVY * 0.9 * haloL, uPour.z); vec2 toLens = frag - uLens.xy; float lens = exp(-dot(toLens, toLens) / sq(uLens.z)) * uLens.w; col *= 1.0 + 0.35 * lens * hug; float fogAmount = uAmount.y * uAtmosphere; float near = exp(-adx / 150.0); float envelope = near * (0.3 + 0.4 * exp(-hp / 50.0) + 1.2 * exp(-p.y / 120.0)); if (fogAmount > 0.001 && h > -2.0 && envelope * max(0.25, 6.0 * exp(-adx / 50.0)) > 0.002) { vec2 fq = vec2(dx / 1.7, h) / 85.0 + vec2(t * 0.012, -t * 0.03) + uExtra.zw; vec2 fw = vec2(fbm(fq * 1.3 + vec2(1.7, 9.2) + t * 0.03), fbm(fq * 1.3 + vec2(8.3, 2.8) - t * 0.025)); float cloud = fbm(fq + 1.4 * fw); float density = smoothstep(0.5, 0.78, cloud); float lit = exp(-adx / 50.0); float fogMask = smoothstep(-2.0, 20.0, h); float reached = smoothstep(front + 80.0, front - 40.0, p.y); vec3 fog = (HAZE * 0.45 + BEAM * 6.0 * lit * reached) * density * envelope * fogMask; float surfaceLit = exp(-adx / (layerLen * 1.3)) * exp(-outline / 28.0) * hugWide * flowMask * washMask * min(bloom, 1.0); fog += sideK * 2.2 * surfaceLit * (smoothstep(0.38, 0.72, cloud) - 0.35) * fogMask; float smoke = smoothstep(0.3, 0.75, cloud); fog += BEAM * 0.35 * exp(-adx / (22.0 * beamWidth)) * (0.35 + 0.9 * smoke) * fogMask * top * drop; col += fog * fogAmount * (1.0 + 1.2 * lens) * mix(1.0, 0.45, uTheme); } if (uRevealInfo.y > 0.001 && uLens.w > 0.002) { vec2 toReveal = frag - uLens.xy; float reveal = exp(-dot(toReveal, toReveal) / sq(uRevealInfo.x)) * uLens.w; vec2 uv = frag * uRevealMap.xy + uRevealMap.zw; float onImage = step(0.0, uv.x) * step(uv.x, 1.0) * step(0.0, uv.y) * step(uv.y, 1.0); vec4 ui = texture(uReveal, uv); float ink = max(ui.r, max(ui.g, ui.b)) * onImage; float lit = clamp(col.b * 0.9, 0.0, 1.0) * (1.0 - smoothstep(0.9, 2.2, col.b)); float clearance = smoothstep(60.0 * sqrt(beamWidth), 150.0 * sqrt(beamWidth), adx); col += mix(BEAM, WHITE, 0.4) * ink * reveal * lit * clearance * uRevealInfo.y * 2.2; } float haze = col.b; float dotGrid = 1.0 - smoothstep(0.16, 0.32, length(fract(frag / 3.0) - 0.5)); col += BEAM * dotGrid * clamp(haze, 0.0, 1.5) * (1.0 - smoothstep(1.5, 4.0, haze)) * (0.18 + 0.3 * lens) * uExtra.y; if (lens > 0.002) { vec2 drift = frag - vec2(0.0, t * 14.0); vec2 sparkCell = floor(drift / 7.0); vec2 sparkPos = (sparkCell + 0.2 + 0.6 * vec2(hash(sparkCell + 5.1), hash(sparkCell + 2.3))) * 7.0; float sparkDist = length(drift - sparkPos); float sparkOn = step(0.8, hash(sparkCell + 8.8)); float sparkTwinkle = 0.5 + 0.5 * sin(t * 5.0 + hash(sparkCell + 3.7) * 6.283); col += WHITE * exp(-sparkDist * sparkDist / 0.35) * sparkOn * sparkTwinkle * lens * clamp(haze * 1.5, 0.0, 1.0) * 1.6 * uAmount.z; } float dustAmount = uAmount.z; if (dustAmount > 0.001) { float dustLp = log(max(psi, 1.0) / (120.0 * flare * flare)) * 2.2; vec2 flowCell = vec2(dustLp / 1.1, (along + t * 0.22) / 0.06); vec2 cellId = floor(flowCell) + vec2(sideSign * 131.0, 0.0); vec2 cellJitter = vec2(hash(cellId + 1.7), hash(cellId + 8.3)); vec2 particleFlow = (floor(flowCell) + 0.1 + cellJitter * 0.8) * vec2(1.1, 0.06); float particlePsi = 120.0 * flare * flare * exp(particleFlow.x / 2.2); float particleAlong = particleFlow.y - t * 0.22; float particleX = sqrt(particlePsi * exp(-2.0 * particleAlong)) - 1.0; float particleH = sqrt(particlePsi * exp(2.0 * particleAlong)) - 1.0; float particleDist = length(vec2(adx - particleX, hp - particleH)) * uScale; float particleOn = step(0.62, hash(cellId + 3.1)); float particleTwinkle = 0.5 + 0.5 * sin(t * 5.0 + hash(cellId + 9.2) * 6.283); float dustZone = exp(-sq(log(max(psi, 1.0) / (200.0 * flare * flare)) / 0.55)) * hug * flowMask * smoothstep(0.0, 6.0, outline); col += WHITE * exp(-particleDist * particleDist / 0.3) * particleOn * particleTwinkle * dustZone * 3.0 * dustAmount * min(bloom, 1.0); vec2 glitterCell = vec2(dx / 3.0, (p.y - t * 26.0) / 9.0); vec2 glitterId = floor(glitterCell); vec2 glitterJitter = vec2(hash(glitterId + 4.4), hash(glitterId + 2.9)); vec2 glitterPos = (glitterId + 0.15 + glitterJitter * 0.7) * vec2(3.0, 9.0); float glitterDist = length(vec2(dx, p.y - t * 26.0) - glitterPos) * uScale; float glitterOn = step(0.7, hash(glitterId + 6.6)); float glitterTwinkle = 0.5 + 0.5 * sin(t * 6.0 + hash(glitterId + 1.1) * 6.283); float glitterZone = exp(-adx / (5.0 * beamWidth)) * smoothstep(1.5, 4.0, adx / beamWidth) * above * smoothstep(25.0, 70.0, hp) * top * drop; col += WHITE * exp(-glitterDist * glitterDist / 0.25) * glitterOn * glitterTwinkle * glitterZone * 2.2 * dustAmount * uAtmosphere; } col *= uAmount.x * (1.0 + uIntro.z * 0.9 * exp(-length(vec2(dx, h * 1.6)) / 70.0)); col *= smoothstep(-0.75, 0.25, sd * uScale); vec3 emit = 1.0 - exp(-col * mix(1.0, 0.6, uTheme)); float peak = max(emit.r, max(emit.g, emit.b)); if (uTheme > 0.5) { float low = min(emit.r, min(emit.g, emit.b)); float chroma = peak - low; vec3 hue = (emit - low) / max(chroma, 0.0001); float alpha = clamp(pow(chroma, 1.35) * 1.3, 0.0, 1.0) * 0.9; outColor = vec4((hue * 0.82 + 0.06) * alpha, alpha); } else { outColor = vec4(emit, peak); } }`; const TINTS = [ [0, 1], [-11.5, 0.77], [9.5, 0.95], [-53.5, 0.79], [39.5, 0.77], [16, 0.81], [-16.3, 0.92], [13.3, 0.96], [3, 1.01], [1, 0.68], [1, 1.15], [142.5, 0.51], [113.6, 0.28], [-7.5, 0.13], [-2.7, 0.32], [7.5, 0.81] ]; const BASE_SATURATION = 0.78; const MAX_RENDER_DIM = 2048; const INTRO_DROP = 1.25; const INTRO_END = 5; const clamp = (value: number, min: number, max: number) => Math.min(max, Math.max(min, value)); const easeOut = (x: number) => 1 - Math.pow(1 - clamp(x, 0, 1), 3); const spring = (time: number) => { const omega = 8; const zeta = 0.62; const damped = omega * Math.sqrt(1 - zeta * zeta); return ( 1 - Math.exp(-zeta * omega * time) * (Math.cos(damped * time) + ((zeta * omega) / damped) * Math.sin(damped * time)) ); }; const toHsv = ([r, g, b]: number[]): [number, number] => { const max = Math.max(r, g, b); const min = Math.min(r, g, b); const delta = max - min; let hue = 0; if (delta > 0) { if (max === r) hue = ((g - b) / delta) % 6; else if (max === g) hue = (b - r) / delta + 2; else hue = (r - g) / delta + 4; } return [(hue * 60 + 360) % 360, max > 0 ? delta / max : 0]; }; const fromHsv = (hue: number, saturation: number): number[] => { const h = (((hue % 360) + 360) % 360) / 60; const c = saturation; const x = c * (1 - Math.abs((h % 2) - 1)); const m = 1 - c; const [r, g, b] = h < 1 ? [c, x, 0] : h < 2 ? [x, c, 0] : h < 3 ? [0, c, x] : h < 4 ? [0, x, c] : h < 5 ? [x, 0, c] : [c, 0, x]; return [r + m, g + m, b + m]; }; const buildTints = (rgb: number[]) => { const [hue, saturation] = toHsv(rgb); const strength = saturation / BASE_SATURATION; const data = new Float32Array(TINTS.length * 3); TINTS.forEach(([shift, scale], index) => { data.set(fromHsv(hue + shift, clamp(BASE_SATURATION * scale * strength, 0, 1)), index * 3); }); return data; }; const compile = (gl: WebGL2RenderingContext, type: number, source: string) => { const shader = gl.createShader(type); if (!shader) return null; gl.shaderSource(shader, source); gl.compileShader(shader); if (gl.getShaderParameter(shader, gl.COMPILE_STATUS)) return shader; gl.deleteShader(shader); return null; }; const link = (gl: WebGL2RenderingContext, vertexSource: string, fragmentSource: string) => { const vertex = compile(gl, gl.VERTEX_SHADER, vertexSource); const fragment = compile(gl, gl.FRAGMENT_SHADER, fragmentSource); const program = gl.createProgram(); if (!vertex || !fragment || !program) return null; gl.attachShader(program, vertex); gl.attachShader(program, fragment); gl.linkProgram(program); gl.deleteShader(vertex); gl.deleteShader(fragment); if (gl.getProgramParameter(program, gl.LINK_STATUS)) return program; gl.deleteProgram(program); return null; }; const locate = (gl: WebGL2RenderingContext, program: WebGLProgram, names: string[]) => { const result: Record = {}; for (const name of names) result[name] = gl.getUniformLocation(program, name); return result; }; export const LaserFlow = ({ surfaceRef, beamPosition = 0.6, surfaceLevel = 1, color = '#3847ff', intensity = 1.8, beamWidth = 1.5, flare = 1.5, spread = 1.5, spill = 1, fog = 0.2, dust = 1.6, streaks = 1.5, dots = 1, pulse = 1.5, speed = 1.5, seed = 3, mouseInteraction = true, revealImage, revealRadius = 220, revealOpacity = 0.6, intro = true, theme = 'dark', paused = false, dpr, ...rest }: LaserFlowProps) => { const containerRef = useRef(null); const canvasRef = useRef(null); const wakeRef = useRef<(() => void) | null>(null); const settings: Settings = { surfaceRef, beamPosition: clamp(beamPosition, 0, 1), surfaceLevel: clamp(surfaceLevel, 0, 1), color: String(color), intensity: Math.max(0, intensity), beamWidth: clamp(beamWidth, 0.2, 5), flare: clamp(flare, 0.2, 4), spread: clamp(spread, 0.1, 4), spill: Math.max(0, spill), fog: Math.max(0, fog), dust: Math.max(0, dust), streaks: Math.max(0, streaks), dots: Math.max(0, dots), pulse: Math.max(0, pulse), speed, seed, mouseInteraction, revealImage, revealRadius: Math.max(1, revealRadius), revealOpacity: clamp(revealOpacity, 0, 1), intro, theme, paused, dpr }; const settingsRef = useRef(settings); settingsRef.current = settings; useEffect(() => { const container = containerRef.current; const canvas = canvasRef.current; const gl = canvas?.getContext('webgl2', { alpha: true, premultipliedAlpha: true, antialias: false, depth: false, stencil: false }); if (!container || !canvas || !gl) return undefined; const program = link(gl, VERTEX, FRAGMENT); if (!program) return undefined; const uniforms = locate(gl, program, [ 'uResolution', 'uDpr', 'uScale', 'uTime', 'uBeamX', 'uSurface', 'uRadius', 'uIntro', 'uPour', 'uRun', 'uLens', 'uReveal', 'uRevealMap', 'uRevealInfo', 'uAtmosphere', 'uAmount', 'uShape', 'uExtra', 'uTheme', 'uTint' ]); const vao = gl.createVertexArray(); const buffer = gl.createBuffer(); gl.bindVertexArray(vao); gl.bindBuffer(gl.ARRAY_BUFFER, buffer); gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([-1, -1, 3, -1, -1, 3]), gl.STATIC_DRAW); const positionLocation = gl.getAttribLocation(program, 'aPosition'); gl.enableVertexAttribArray(positionLocation); gl.vertexAttribPointer(positionLocation, 2, gl.FLOAT, false, 0, 0); gl.bindVertexArray(null); const revealTexture = gl.createTexture(); gl.bindTexture(gl.TEXTURE_2D, revealTexture); gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, new Uint8Array([0, 0, 0, 0])); gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR); gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR); gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); const probe = document.createElement('canvas'); probe.width = 1; probe.height = 1; const probeContext = probe.getContext('2d', { willReadFrequently: true }); const reduce = window.matchMedia?.('(prefers-reduced-motion: reduce)').matches ?? false; const state = { time: 0, introTime: settingsRef.current.intro && !reduce ? 0 : INTRO_END, width: 1, height: 1, ratio: 1, colorKey: '', tints: buildTints([0.22, 0.28, 1]), observed: null as HTMLElement | null, pointer: { x: 0, y: 0, inside: false }, lens: { x: 0, y: 0, vx: 0, vy: 0, strength: 0, placed: false }, reveal: { src: '', ready: false, width: 1, height: 1, image: null as HTMLImageElement | null } }; let raf = 0; let last = 0; let visible = true; let alive = true; const toRgb = (value: string): number[] => { if (!probeContext) return [0.22, 0.28, 1]; probeContext.clearRect(0, 0, 1, 1); probeContext.fillStyle = '#3847ff'; probeContext.fillStyle = value; probeContext.fillRect(0, 0, 1, 1); const [r, g, b] = probeContext.getImageData(0, 0, 1, 1).data; return [r / 255, g / 255, b / 255]; }; const resolveColor = (s: Settings) => { if (s.color === state.colorKey) return; state.colorKey = s.color; state.tints = buildTints(toRgb(s.color)); }; const resolveReveal = (s: Settings) => { const src = s.revealImage ? String(s.revealImage) : ''; const reveal = state.reveal; if (src === reveal.src) return; reveal.src = src; reveal.ready = false; if (reveal.image) reveal.image.onload = null; if (!src) return; const image = new Image(); image.crossOrigin = 'anonymous'; image.decoding = 'async'; image.onload = () => { if (!alive || reveal.src !== src) return; const width = image.naturalWidth || image.width || 1; const height = image.naturalHeight || image.height || 1; const scale = Math.min(1, 2048 / Math.max(width, height)); const sheet = document.createElement('canvas'); sheet.width = Math.max(1, Math.round(width * scale)); sheet.height = Math.max(1, Math.round(height * scale)); sheet.getContext('2d')?.drawImage(image, 0, 0, sheet.width, sheet.height); gl.bindTexture(gl.TEXTURE_2D, revealTexture); gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, true); gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, sheet); gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false); reveal.width = sheet.width; reveal.height = sheet.height; reveal.ready = true; wakeRef.current?.(); }; image.src = src; reveal.image = image; }; const measure = (s: Settings, width: number, height: number): Surface => { const element = s.surfaceRef?.current ?? null; if (element !== state.observed) { if (state.observed) resizeObserver.unobserve(state.observed); if (element) resizeObserver.observe(element); state.observed = element; } if (element) { const box = container.getBoundingClientRect(); const rect = element.getBoundingClientRect(); if (rect.width > 0) { const computed = getComputedStyle(element); const radius = Math.max( parseFloat(computed.borderTopLeftRadius) || 0, parseFloat(computed.borderTopRightRadius) || 0 ); return { left: rect.left - box.left, top: rect.top - box.top, right: rect.right - box.left, bottom: rect.bottom - box.top, radius: Math.min(radius, rect.width / 2, rect.height / 2), real: true }; } } return { left: -width * 2, top: s.surfaceLevel * height, right: width * 3, bottom: height * 3, radius: 0, real: false }; }; const resize = () => { const width = Math.max(1, container.clientWidth); const height = Math.max(1, container.clientHeight); const s = settingsRef.current; const baseDpr = Math.min(s.dpr || window.devicePixelRatio || 1, 2); const longest = Math.max(width, height) * baseDpr; const ratio = longest > MAX_RENDER_DIM ? (baseDpr * MAX_RENDER_DIM) / longest : baseDpr; const pixelWidth = Math.max(1, Math.round(width * ratio)); const pixelHeight = Math.max(1, Math.round(height * ratio)); if (canvas.width !== pixelWidth || canvas.height !== pixelHeight) { canvas.width = pixelWidth; canvas.height = pixelHeight; } state.width = width; state.height = height; state.ratio = canvas.width / width; render(); }; const render = () => { const s = settingsRef.current; resolveColor(s); const { width, height } = state; const scale = Math.max(0.2, Math.min(width / 585, height / 507)); let surface = measure(s, width, height); let beamX = s.beamPosition * width; if (surface.real) { const margin = surface.radius + 6; if (beamX >= surface.left && beamX <= surface.right) { beamX = clamp(beamX, surface.left + margin, surface.right - margin); } else { surface = { left: -width * 2, top: height, right: width * 3, bottom: height * 3, radius: 0, real: false }; } } const startY = -0.15 * height; const span = surface.top - startY + 0.3 * height; const it = state.introTime; const settled = it >= INTRO_END; const front = settled ? surface.top + 0.3 * height : startY + span * Math.pow(clamp(it / INTRO_DROP, 0, 1), 1.3); const impact = INTRO_DROP * Math.pow(Math.max(0, surface.top - startY) / span, 1 / 1.3); const tau = it - impact; const bloom = settled ? 1 : tau <= 0 ? 0 : spring(tau); const flash = settled || tau <= 0 ? 0 : Math.exp(-tau / 0.35) * (1 - Math.exp(-tau / 0.05)); const runRange = s.spread * 250 * 1.3 + 80; const runFront = settled ? 100000 : tau <= 0 ? -40 : runRange * (1 - Math.exp(-1.15 * tau)); const beadStrength = settled || tau <= 0 ? 0 : Math.exp(-1.15 * tau) * (1 - Math.exp(-tau / 0.08)); const pour = (reach: number): [number, number] => { if (settled) return [1000, 1]; if (tau <= 0) return [-reach, 0]; const target = Math.min(reach, runRange * 0.97); const arrival = -Math.log(1 - target / runRange) / 1.15; const elapsed = tau - arrival; const ease = clamp((elapsed + 0.15) / 0.8, 0, 1); const fill = ease * ease * ease * (ease * (ease * 6 - 15) + 10); if (elapsed <= 0) return [runFront - target, fill]; const speed = 1.15 * (runRange - target); return [speed * elapsed + 260 * elapsed * elapsed, fill]; }; const [frontL, fillL] = pour((beamX - surface.left) / scale); const [frontR, fillR] = pour((surface.right - beamX) / scale); const atmosphere = settled ? 1 : tau <= 0 ? 0.3 * easeOut(it / INTRO_DROP) : 0.3 + 0.7 * (1 - Math.exp(-1.3 * tau)); const seedValue = Number(s.seed) || 0; gl.viewport(0, 0, canvas.width, canvas.height); gl.clearColor(0, 0, 0, 0); gl.clear(gl.COLOR_BUFFER_BIT); gl.useProgram(program); gl.uniform2f(uniforms.uResolution, width, height); gl.uniform1f(uniforms.uDpr, state.ratio); gl.uniform1f(uniforms.uScale, scale); gl.uniform1f(uniforms.uTime, state.time); gl.uniform1f(uniforms.uBeamX, beamX); gl.uniform4f(uniforms.uSurface, surface.left, surface.top, surface.right, surface.bottom); gl.uniform1f(uniforms.uRadius, surface.radius); gl.uniform3f(uniforms.uIntro, front, bloom, flash); gl.uniform4f(uniforms.uPour, frontL, frontR, fillL, fillR); gl.uniform2f(uniforms.uRun, runFront, beadStrength); gl.uniform4f(uniforms.uLens, state.lens.x, state.lens.y, 95 * scale, state.lens.strength); resolveReveal(s); const { reveal } = state; const cover = Math.max(width / reveal.width, height / reveal.height); const coverWidth = reveal.width * cover; const coverHeight = reveal.height * cover; gl.activeTexture(gl.TEXTURE0); gl.bindTexture(gl.TEXTURE_2D, revealTexture); gl.uniform1i(uniforms.uReveal, 0); gl.uniform4f( uniforms.uRevealMap, 1 / coverWidth, 1 / coverHeight, (coverWidth - width) / 2 / coverWidth, (coverHeight - height) / 2 / coverHeight ); gl.uniform2f(uniforms.uRevealInfo, s.revealRadius, reveal.ready ? s.revealOpacity : 0); gl.uniform1f(uniforms.uAtmosphere, atmosphere); gl.uniform4f(uniforms.uAmount, s.intensity, s.fog, s.dust, s.streaks); gl.uniform4f(uniforms.uShape, s.beamWidth, s.flare, s.spread, s.spill); gl.uniform4f(uniforms.uExtra, s.pulse, s.dots, 34.34 + seedValue * 7.31, 11.58 + seedValue * 3.17); gl.uniform1f(uniforms.uTheme, s.theme === 'light' ? 1 : 0); gl.uniform3fv(uniforms.uTint, state.tints); gl.bindVertexArray(vao); gl.drawArrays(gl.TRIANGLES, 0, 3); gl.bindVertexArray(null); }; const frame = (now: number) => { raf = 0; if (!alive || !visible || document.hidden) return; const s = settingsRef.current; const dt = last ? Math.min(0.05, (now - last) / 1000) : 1 / 60; last = now; const moving = !s.paused && !reduce; if (moving) state.time += dt * s.speed; const introducing = state.introTime < INTRO_END; if (introducing) state.introTime = Math.min(INTRO_END, state.introTime + dt); const { pointer, lens } = state; const active = s.mouseInteraction && pointer.inside && !reduce; if (active && !lens.placed) { lens.x = pointer.x; lens.y = pointer.y; lens.vx = 0; lens.vy = 0; lens.placed = true; } const ax = 120 * (pointer.x - lens.x) - 19 * lens.vx; const ay = 120 * (pointer.y - lens.y) - 19 * lens.vy; lens.vx += ax * dt; lens.vy += ay * dt; lens.x += lens.vx * dt; lens.y += lens.vy * dt; const goal = active ? 1 : 0; lens.strength += (goal - lens.strength) * (1 - Math.exp(-dt / (goal > lens.strength ? 0.3 : 0.55))); if (lens.strength < 0.001 && !active) lens.placed = false; render(); const settling = Math.abs(state.lens.strength - (s.mouseInteraction && state.pointer.inside ? 1 : 0)) > 0.002 || Math.hypot(state.lens.vx, state.lens.vy) > 0.5; if (moving || introducing || settling) raf = requestAnimationFrame(frame); else last = 0; }; const wake = () => { if (!raf && alive && visible && !document.hidden) raf = requestAnimationFrame(frame); }; const onPointerMove = (event: PointerEvent) => { const rect = container.getBoundingClientRect(); const x = event.clientX - rect.left; const y = event.clientY - rect.top; state.pointer.x = x; state.pointer.y = y; state.pointer.inside = x >= 0 && y >= 0 && x <= rect.width && y <= rect.height; wake(); }; const onPointerLeave = () => { state.pointer.inside = false; wake(); }; const onVisibility = () => { last = 0; wake(); }; const resizeObserver = new ResizeObserver(resize); resizeObserver.observe(container); const intersection = new IntersectionObserver(entries => { visible = entries.some(entry => entry.isIntersecting); if (visible) { last = 0; wake(); } }); intersection.observe(container); window.addEventListener('pointermove', onPointerMove, { passive: true }); document.documentElement.addEventListener('pointerleave', onPointerLeave); document.addEventListener('visibilitychange', onVisibility); resize(); wake(); wakeRef.current = () => { if (!raf) render(); wake(); }; return () => { alive = false; cancelAnimationFrame(raf); wakeRef.current = null; resizeObserver.disconnect(); intersection.disconnect(); window.removeEventListener('pointermove', onPointerMove); document.documentElement.removeEventListener('pointerleave', onPointerLeave); document.removeEventListener('visibilitychange', onVisibility); gl.deleteTexture(revealTexture); gl.deleteBuffer(buffer); gl.deleteVertexArray(vao); gl.deleteProgram(program); }; }, []); useEffect(() => { wakeRef.current?.(); }); const { className = '', ...attributes } = rest; return (

); }; export default LaserFlow; 4f:["$","div",null,{"className":"mt-3 flex min-h-0 min-w-0 flex-1 flex-col gap-3","children":[null,["$","$L50",null,{"files":[{"path":"LaserFlow.css","content":".laser-flow-container {\n position: relative;\n width: 100%;\n height: 100%;\n pointer-events: none;\n}\n\n.laser-flow-canvas {\n position: absolute;\n inset: 0;\n display: block;\n width: 100%;\n height: 100%;\n}\n","type":"registry:file","target":"@components/LaserFlow.css"},{"path":"LaserFlow.tsx","content":"$51","type":"registry:component"}],"className":"h-[70svh] min-h-80"}]]}]