export declare const PASSTHROUGH_VERT_SRC = "#version 300 es\nprecision highp float;\nout highp vec2 vUv;\nvoid main() {\n  vec2 p = vec2(float((gl_VertexID & 1) << 1), float(gl_VertexID & 2));\n  vUv = p * 0.5;\n  gl_Position = vec4(p - 1.0, 0.0, 1.0);\n}\n";
export declare const COMPOSITE_CAMERA_FRAG_SRC = "#version 300 es\nprecision highp float;\nuniform sampler2D uCamera;\nin highp vec2 vUv;\nout vec4 oColor;\nvoid main() {\n  oColor = vec4(texture(uCamera, vUv).rgb, 1.0);\n}\n";
export declare const COMPOSITE_BLUR_FRAG_SRC = "#version 300 es\nprecision highp float;\nuniform sampler2D uTex;\nuniform vec2 uDir;\nuniform float uSigma;\nin highp vec2 vUv;\nout vec4 oColor;\nvoid main() {\n  float s2 = 2.0 * uSigma * uSigma;\n  float w[7];\n  float sum = 0.0;\n  for (int i = 0; i < 7; i++) {\n    w[i] = exp(-(float(i) * float(i)) / s2);\n    sum += (i == 0) ? w[i] : 2.0 * w[i];\n  }\n  float spread = uSigma * 0.25;\n  vec4 acc = texture(uTex, vUv) * (w[0] / sum);\n  for (int i = 1; i < 7; i++) {\n    vec2 off = uDir * float(i) * spread;\n    acc += texture(uTex, vUv + off) * (w[i] / sum);\n    acc += texture(uTex, vUv - off) * (w[i] / sum);\n  }\n  oColor = acc;\n}\n";
export declare const COMPOSITE_IMAGE_FRAG_SRC = "#version 300 es\nprecision highp float;\nuniform sampler2D uTex;\nuniform vec2 uCoverScale;\nin highp vec2 vUv;\nout vec4 oColor;\nvoid main() {\n  vec2 uv = (vUv - 0.5) * uCoverScale + 0.5;\n  vec4 c = texture(uTex, uv);\n  oColor = vec4(c.rgb * c.a, c.a);\n}\n";
export declare const COMPOSITE_SUBJECT_FRAG_SRC = "#version 300 es\nprecision highp float;\nuniform sampler2D uCamera;\nuniform sampler2D uMask;\nuniform vec2 uMaskUvScale;\nuniform vec2 uMaskUvOffset;\nuniform float uMaskLo;\nuniform float uMaskHi;\nin highp vec2 vUv;\nout vec4 oColor;\nvoid main() {\n  vec3 cam = texture(uCamera, vUv).rgb;\n  float raw = texture(uMask, vUv * uMaskUvScale + uMaskUvOffset).r;\n  float safeHi = max(uMaskHi, uMaskLo + 0.001);\n  float a = clamp(smoothstep(uMaskLo, safeHi, raw), 0.0, 1.0);\n  oColor = vec4(cam * a, a);\n}\n";
export declare const COMPOSITE_MASKED_FRAG_SRC = "#version 300 es\nprecision highp float;\nuniform sampler2D uTex;\nuniform sampler2D uMask;\nuniform vec2 uMaskUvScale;\nuniform vec2 uMaskUvOffset;\nuniform float uMaskLo;\nuniform float uMaskHi;\nin highp vec2 vUv;\nout vec4 oColor;\nvoid main() {\n  vec4 c = texture(uTex, vUv);\n  float raw = texture(uMask, vUv * uMaskUvScale + uMaskUvOffset).r;\n  float safeHi = max(uMaskHi, uMaskLo + 0.001);\n  float a = clamp(smoothstep(uMaskLo, safeHi, raw), 0.0, 1.0);\n  oColor = c * a;\n}\n";
export declare const PLASMA_FRAG_SRC = "#version 300 es\nprecision highp float;\n\nuniform float uTime;       // seconds, monotonically increasing; range [0, inf)\nuniform vec2 uResolution;  // framebuffer size in pixels; both components > 0\nuniform vec3 uColorA;      // first palette color, linear-ish RGB in [0, 1]\nuniform vec3 uColorB;      // second palette color, linear-ish RGB in [0, 1]\nuniform float uSpeed;      // animation rate multiplier; 0 freezes the field\nuniform float uScale;      // spatial frequency; higher = more, tighter cells\n\nin highp vec2 vUv;\nout vec4 oColor;\n\nvoid main() {\n  // Aspect-correct, screen-centered coordinates (matches nebula.frag): divide\n  // by the height so uScale reads the same regardless of aspect ratio.\n  vec2 fragCoord = vUv * uResolution;\n  vec2 uv = (fragCoord - 0.5 * uResolution) / uResolution.y;\n\n  float t = uTime * uSpeed;\n\n  // Classic demoscene plasma: a few sines of position and time. The radial\n  // term (length(uv)) gives the field an organic, non-grid-aligned drift.\n  float v = sin(uv.x * uScale + t);\n  v += sin(uv.y * uScale + t * 0.8);\n  v += sin((uv.x + uv.y) * uScale * 0.7 + t * 1.3);\n  v += sin(length(uv) * uScale * 1.2 - t);\n\n  // v ranges roughly [-4, 4]; fold through sin to a smooth [0, 1] mix factor.\n  float mixT = 0.5 + 0.5 * sin(v);\n\n  // Opaque procedural background; the person is composited over it downstream.\n  oColor = vec4(mix(uColorA, uColorB, mixT), 1.0);\n}\n";
export declare const KALEIDOSCOPE_FRAG_SRC = "#version 300 es\nprecision highp float;\n\nuniform float uTime;       // seconds, monotonically increasing; range [0, inf)\nuniform vec2 uResolution;  // framebuffer size in pixels; both components > 0\nuniform vec3 uColorA;      // base palette color (also the calm midpoint pole)\nuniform vec3 uColorB;      // second palette color\nuniform vec3 uColorC;      // accent color, layered over the A/B field\nuniform float uSegments;   // mirror segment count; floor()ed, clamped >= 3\nuniform float uSpeed;      // source-field drift rate; 0 freezes the pattern\nuniform float uRotate;     // whole-field rotation rate; sign sets direction\nuniform float uZoom;       // pattern scale; higher = more rings of detail\nuniform float uCalm;       // 0..1 eases contrast at frame center (face zone)\n\nin highp vec2 vUv;\nout vec4 oColor;\n\nconst float TAU = 6.28318530718;\n\nvoid main() {\n  // Aspect-correct, screen-centered coordinates (matches plasma/nebula).\n  vec2 fragCoord = vUv * uResolution;\n  vec2 uv = (fragCoord - 0.5 * uResolution) / uResolution.y;\n  float centerDist = length(uv);\n\n  // Whole-field rotation: the slow \"turning the scope\" motion.\n  float ra = uTime * uRotate;\n  float cs = cos(ra);\n  float sn = sin(ra);\n  uv = mat2(cs, -sn, sn, cs) * uv;\n\n  // Mirrored polar fold. The 1e-5 nudge keeps atan() off the undefined (0,0)\n  // input under Metal; it is far below one pixel at any resolution.\n  float r = centerDist * uZoom * (1.0 + 0.06 * sin(uTime * 0.23));\n  float seg = TAU / max(3.0, floor(uSegments));\n  float a = atan(uv.y, uv.x + 1e-5);\n  a = mod(a, seg);\n  a = abs(a - seg * 0.5);\n  vec2 p = r * vec2(cos(a), sin(a));\n\n  float t = uTime * uSpeed;\n\n  // Drifting source field, plasma-class: a few sines of folded position and\n  // time. The off-axis moving center in the length() term keeps the pattern\n  // evolving (non-repeating) rather than pulsing in place.\n  float f1 = sin(p.x * 6.0 + t)\n      + sin((p.x + p.y) * 4.2 - t * 0.7)\n      + sin(length(p - vec2(0.9 + 0.25 * sin(t * 0.31), 0.0)) * 7.0 + t * 1.1);\n  float f2 = sin(p.y * 5.0 - t * 0.9 + sin(p.x * 3.1 + t * 0.4));\n  float m1 = 0.5 + 0.5 * sin(f1);\n  float m2 = smoothstep(0.25, 0.9, 0.5 + 0.5 * sin(f2 + f1 * 0.5));\n\n  vec3 color = mix(uColorA, uColorB, m1);\n  color = mix(color, uColorC, m2 * 0.65);\n\n  // Thin darkening along both mirror lines sells the cut-glass facets.\n  float seam = smoothstep(0.035, 0.0, abs(a - seg * 0.5)) + smoothstep(0.035, 0.0, a);\n  color *= 1.0 - 0.18 * seam;\n\n  // uCalm: ease toward the palette midpoint near frame center. Spatial-only\n  // (never scales time per pixel, which would shear the field across the\n  // falloff ring).\n  vec3 mid = 0.5 * (uColorA + uColorB);\n  float calm = uCalm * (1.0 - smoothstep(0.15, 0.62, centerDist));\n  color = mix(color, mid, calm * 0.6);\n\n  // Opaque procedural background; the person is composited over it downstream.\n  oColor = vec4(color, 1.0);\n}\n";
export declare const NEO_MEMPHIS_FRAG_SRC = "#version 300 es\nprecision highp float;\n\nuniform float uTime;       // seconds, monotonically increasing; range [0, inf)\nuniform vec2 uResolution;  // framebuffer size in pixels; both components > 0\nuniform vec3 uBgColor;     // field color behind the shapes\nuniform vec3 uColorA;      // shape palette color 1\nuniform vec3 uColorB;      // shape palette color 2\nuniform vec3 uColorC;      // shape palette color 3\nuniform float uScale;      // hero-grid cells across frame height\nuniform float uDensity;    // probability a cell draws its shape, 0..1\nuniform float uOutline;    // probability a shape renders outlined, 0..1\nuniform float uDrift;      // scroll + rotation rate; 0 freezes\nuniform float uCalm;       // 0..1 fades shapes near frame center (face zone)\n\nin highp vec2 vUv;\nout vec4 oColor;\n\nconst float TAU = 6.28318530718;\n// Antialias half-width in cell units; ~1px at the default pitch.\nconst float AA = 0.012;\n\nfloat hash21(vec2 p) {\n  p = fract(p * vec2(234.34, 435.345));\n  p += dot(p, p + 34.23);\n  return fract(p.x * p.y);\n}\n\nfloat sdBox(vec2 p, vec2 b) {\n  vec2 d = abs(p) - b;\n  return length(max(d, vec2(0.0))) + min(max(d.x, d.y), 0.0);\n}\n\n// iq's equilateral triangle, point up, circumradius r.\nfloat sdTriangle(vec2 p, float r) {\n  const float k = 1.7320508;\n  p.x = abs(p.x) - r;\n  p.y = p.y + r / k;\n  if (p.x + k * p.y > 0.0) {\n    p = vec2(p.x - k * p.y, -k * p.x - p.y) * 0.5;\n  }\n  p.x -= clamp(p.x, -2.0 * r, 0.0);\n  return -length(p) * sign(p.y);\n}\n\n// One cell layer: returns the shape coverage and writes its color.\n// luv is the layer's scrolled cell-space coordinate; backfill restricts the\n// shape menu to dots and crosses and draws smaller.\nfloat memphisCell(vec2 luv, float seed, float backfill, float t, out vec3 shapeColor) {\n  vec2 id = floor(luv);\n  vec2 gv = fract(luv) - 0.5;\n  float h = hash21(id + seed);\n  shapeColor = uBgColor;\n  // Density gate: empty cells cost one hash.\n  if (h > uDensity) return 0.0;\n\n  float h2 = fract(h * 57.31);\n  float h3 = fract(h * 113.77);\n  float h4 = fract(h * 431.13);\n  float h5 = fract(h * 891.71);\n\n  // Per-cell slow spin and a small bob; both bounded so the shape stays\n  // inside its cell (max extent 0.34 + 0.04 < 0.5).\n  float ang = h2 * TAU + t * (h3 - 0.5) * 0.8;\n  float cs = cos(ang);\n  float sn = sin(ang);\n  gv -= 0.04 * vec2(sin(t * 0.6 + h * TAU), cos(t * 0.8 + h * TAU));\n  gv = mat2(cs, -sn, sn, cs) * gv;\n\n  float r = mix(0.14, 0.30, h3) * mix(1.0, 0.6, backfill);\n  float pick = h4 * 6.0;\n  float d;\n  if (backfill > 0.5) {\n    // Backfill texture: dots and crosses only.\n    d = (pick < 3.0)\n        ? length(gv) - r * 0.45\n        : min(sdBox(gv, vec2(r, r * 0.22)), sdBox(gv, vec2(r * 0.22, r)));\n  } else if (pick < 1.0) {\n    d = length(gv) - r;                                   // disc\n  } else if (pick < 2.0) {\n    d = abs(length(gv) - r * 0.8) - r * 0.18;             // ring\n  } else if (pick < 3.0) {\n    d = sdTriangle(gv, r);                                // triangle\n  } else if (pick < 4.0) {\n    d = min(sdBox(gv, vec2(r, r * 0.24)), sdBox(gv, vec2(r * 0.24, r))); // cross\n  } else if (pick < 5.0) {\n    d = sdBox(gv, vec2(r * 0.78, r * 0.78));              // box\n  } else {\n    // Squiggle: a sine-displaced band, clipped to its run length.\n    d = max(abs(gv.y - 0.4 * r * sin(gv.x / r * 6.5)) - r * 0.17, abs(gv.x) - r);\n  }\n\n  float fill = smoothstep(AA, -AA, d);\n  float ring = smoothstep(AA, -AA, abs(d + r * 0.06) - r * 0.09);\n  float m = (h5 < uOutline) ? ring : fill;\n\n  float colorPick = fract(h * 769.23) * 3.0;\n  shapeColor = (colorPick < 1.0) ? uColorA : (colorPick < 2.0) ? uColorB : uColorC;\n  return m;\n}\n\nvoid main() {\n  // Aspect-correct, screen-centered coordinates (matches plasma/nebula).\n  vec2 fragCoord = vUv * uResolution;\n  vec2 uv = (fragCoord - 0.5 * uResolution) / uResolution.y;\n  float centerDist = length(uv);\n\n  float t = uTime * uDrift;\n  vec3 color = uBgColor;\n  vec3 shapeColor;\n\n  // Backfill layer first (under the hero shapes): smaller, denser, dimmer.\n  vec2 luv1 = uv * uScale * 2.3 + vec2(t * 0.045, t * -0.03) + 51.7;\n  float m1 = memphisCell(luv1, 7.0, 1.0, t, shapeColor);\n  color = mix(color, mix(uBgColor, shapeColor, 0.55), m1);\n\n  // Hero layer: the big shapes, scrolling the other way.\n  vec2 luv0 = uv * uScale + vec2(t * -0.06, t * 0.04);\n  float m0 = memphisCell(luv0, 0.0, 0.0, t, shapeColor);\n\n  // uCalm: fade shapes (not the field) near frame center.\n  float calm = 1.0 - uCalm * (1.0 - smoothstep(0.15, 0.62, centerDist));\n  color = mix(color, shapeColor, m0 * calm);\n\n  // Opaque procedural background; the person is composited over it downstream.\n  oColor = vec4(color, 1.0);\n}\n";
export declare const HALFTONE_WAVES_FRAG_SRC = "#version 300 es\nprecision highp float;\n\nuniform float uTime;       // seconds, monotonically increasing; range [0, inf)\nuniform vec2 uResolution;  // framebuffer size in pixels; both components > 0\nuniform vec3 uPaper;       // field color (behind the dots)\nuniform vec3 uInk;         // dot color\nuniform float uPitch;      // dot-grid cells across frame height\nuniform float uDotSize;    // base dot radius in cell units, 0..0.5\nuniform float uWaveAmp;    // radius modulation depth, 0..1\nuniform float uSpeed;      // wave travel rate; 0 freezes\nuniform float uShape;      // dot shape: 0 diamond, 1 circle, 2 square\nuniform float uAngle;      // wave direction, radians\nuniform float uCalm;       // 0..1 eases the waves at frame center (face zone)\n\nin highp vec2 vUv;\nout vec4 oColor;\n\n// Antialias half-width in cell units; ~1px at the default pitch.\nconst float AA = 0.06;\n\nvoid main() {\n  // Aspect-correct, screen-centered coordinates (matches plasma/nebula).\n  vec2 fragCoord = vUv * uResolution;\n  vec2 uv = (fragCoord - 0.5 * uResolution) / uResolution.y;\n  float centerDist = length(uv);\n\n  vec2 luv = uv * uPitch;\n  vec2 id = floor(luv);\n  vec2 gv = fract(luv) - 0.5;\n  // Wave phase is sampled at the CELL CENTER so a dot's radius is uniform\n  // across its own pixels (true halftone, not a warped field).\n  vec2 c = (id + 0.5) / uPitch;\n\n  float t = uTime * uSpeed;\n  vec2 dir1 = vec2(cos(uAngle), sin(uAngle));\n  vec2 dir2 = vec2(cos(uAngle + 2.2), sin(uAngle + 2.2));\n  // Two traveling waves at incommensurate frequencies: interference patterns\n  // that drift forever without visibly repeating.\n  float w = 0.5 + 0.25 * sin(dot(c, dir1) * 3.1 + t) + 0.25 * sin(dot(c, dir2) * 4.7 - t * 0.77);\n\n  // uCalm: flatten the modulation toward its midpoint near frame center.\n  float calm = uCalm * (1.0 - smoothstep(0.15, 0.62, centerDist));\n  w = mix(w, 0.5, calm);\n\n  float radius = uDotSize * mix(1.0 - uWaveAmp, 1.0 + uWaveAmp, w);\n\n  // Blended distance metric, pow-free (variable-exponent pow lowers to\n  // exp2+log2 on mobile): diamond (L1) -> circle (L2) -> square (Linf).\n  vec2 q = abs(gv);\n  float dDiamond = (q.x + q.y) * 0.7071;\n  float dCircle = length(q);\n  float dSquare = max(q.x, q.y);\n  float d = (uShape < 1.0)\n      ? mix(dDiamond, dCircle, clamp(uShape, 0.0, 1.0))\n      : mix(dCircle, dSquare, clamp(uShape - 1.0, 0.0, 1.0));\n\n  float m = smoothstep(radius + AA, radius - AA, d);\n  vec3 color = mix(uPaper, uInk, m);\n\n  // Opaque procedural background; the person is composited over it downstream.\n  oColor = vec4(color, 1.0);\n}\n";
export declare const AURORA_SILK_FRAG_SRC = "#version 300 es\nprecision highp float;\n\nuniform float uTime;       // seconds, monotonically increasing; range [0, inf)\nuniform vec2 uResolution;  // framebuffer size in pixels; both components > 0\nuniform vec3 uColorLow;    // gradient color at the flow's low side\nuniform vec3 uColorHigh;   // gradient color at the flow's high side\nuniform vec3 uRibbonColor; // ribbon tint; shades blend toward uColorHigh\nuniform float uRibbons;    // visible ribbon count, 1..5 (MAX_RIBBONS)\nuniform float uSoftness;   // ribbon edge softness, 0..1\nuniform float uAngle;      // flow direction, radians\nuniform float uSpeed;      // drift rate; 0 freezes\nuniform float uStyle;      // 0 flat paper-cut .. 1 glowing silk\nuniform float uCalm;       // 0..1 eases ribbons at frame center (face zone)\n\nin highp vec2 vUv;\nout vec4 oColor;\n\nconst int MAX_RIBBONS = 5;\n\nfloat hash11(float n) {\n  return fract(sin(n) * 43758.5453123);\n}\n\n// 1D value noise: smooth, cheap, non-repeating drift source per ribbon.\nfloat vnoise(float x, float seed) {\n  float i = floor(x);\n  float f = fract(x);\n  float a = hash11(i + seed);\n  float b = hash11(i + 1.0 + seed);\n  return mix(a, b, f * f * (3.0 - 2.0 * f));\n}\n\nvoid main() {\n  // Aspect-correct, screen-centered coordinates (matches plasma/nebula).\n  vec2 fragCoord = vUv * uResolution;\n  vec2 uv = (fragCoord - 0.5 * uResolution) / uResolution.y;\n  float centerDist = length(uv);\n\n  // Rotate into flow space: ribbons run along q.x, stack along q.y.\n  float cs = cos(uAngle);\n  float sn = sin(uAngle);\n  vec2 q = mat2(cs, -sn, sn, cs) * uv;\n\n  float t = uTime * uSpeed;\n\n  // Base: soft two-stop gradient across the stacking axis, with a slow\n  // breathing tilt so the field is alive even at uRibbons = 0 edge cases.\n  float g = clamp(q.y * 0.85 + 0.5 + 0.04 * sin(t * 0.17), 0.0, 1.0);\n  vec3 color = mix(uColorLow, uColorHigh, g);\n\n  float ribbons = clamp(uRibbons, 0.0, float(MAX_RIBBONS));\n  float calm = 1.0 - uCalm * (1.0 - smoothstep(0.15, 0.62, centerDist));\n\n  for (int i = 0; i < MAX_RIBBONS; i++) {\n    float fi = float(i);\n    if (fi >= ribbons) break;\n\n    // Stack centers across the frame, each with its own slow vertical sway.\n    float center = -0.42 + 0.84 * (fi + 0.5) / ribbons + 0.07 * sin(t * 0.19 + fi * 1.7);\n    // Lateral warp: low-frequency noise plus one sine, per-ribbon phase and\n    // rate so the bands never move in lockstep.\n    float warp = (vnoise(q.x * 1.4 + t * (0.1 + 0.04 * fi), fi * 17.0) - 0.5) * 0.5\n        + 0.1 * sin(q.x * 2.3 + t * (0.26 + 0.06 * fi) + fi * 2.1);\n    float dy = abs(q.y - (center + warp));\n\n    float widthR = mix(0.06, 0.15, hash11(fi * 7.3 + 1.0));\n    float soft = mix(0.008, widthR * 1.6, uSoftness);\n    float band = (1.0 - smoothstep(widthR - soft, widthR + soft, dy)) * calm;\n\n    // Ribbon shade: deeper tints at the back of the stack.\n    vec3 rc = mix(uRibbonColor, uColorHigh, fi / float(MAX_RIBBONS) * 0.6);\n\n    // uStyle blends two composites of the same band: flat paint-over vs\n    // additive glow.\n    vec3 flat_ = mix(color, rc, band * 0.85);\n    vec3 glow = color + rc * band * 0.4;\n    color = mix(flat_, glow, uStyle);\n  }\n\n  // Opaque procedural background; the person is composited over it downstream.\n  oColor = vec4(color, 1.0);\n}\n";
export declare const OUTRUN_GRID_FRAG_SRC = "#version 300 es\nprecision highp float;\n\nuniform float uTime;        // seconds, monotonically increasing; range [0, inf)\nuniform vec2 uResolution;   // framebuffer size in pixels; both components > 0\nuniform vec3 uSkyTop;       // sky gradient color at the top of frame\nuniform vec3 uSkyHorizon;   // sky gradient color at the horizon\nuniform vec3 uSunTop;       // sun gradient color at its top\nuniform vec3 uSunBottom;    // sun gradient color at its bottom\nuniform vec3 uGridColor;    // neon grid line tint (also the horizon seam)\nuniform float uGridDensity; // grid cells across the floor; higher = finer\nuniform float uGridGlow;    // line glow width/softness, 0..1\nuniform float uSpeed;       // grid scroll rate toward the viewer; 0 freezes\nuniform float uSunSize;     // sun radius in vUv.y units\nuniform float uSunBands;    // horizontal slit count cut into the sun's lower half\nuniform float uHorizon;     // horizon height in vUv.y, 0..1 (floor below, sky above)\nuniform float uCalm;        // 0..1 eases the additive glow at frame center (face zone)\n\nin highp vec2 vUv;\nout vec4 oColor;\n\nvoid main() {\n  float aspect = uResolution.x / uResolution.y;\n  float fx = (vUv.x - 0.5) * aspect; // aspect-correct, screen-centered x\n  float fy = vUv.y;                  // 0 bottom .. 1 top\n  float h = clamp(uHorizon, 0.05, 0.95);\n\n  // Ease additive glow near the frame center (the subject's face sits there).\n  float calm = 1.0 - uCalm * (1.0 - smoothstep(0.18, 0.62, length(vec2(fx, fy - 0.5))));\n\n  vec3 col;\n\n  if (fy > h) {\n    // --- SKY ---\n    float skyT = (fy - h) / (1.0 - h); // 0 at horizon, 1 at the top of frame\n    col = mix(uSkyHorizon, uSkyTop, skyT);\n\n    // --- SUN --- centered just above the horizon so its lower arc sinks below\n    // it and is occluded by the floor (the half-set sun, for free).\n    float sunCY = h + uSunSize * 0.55;\n    vec2 sd = vec2(fx, fy - sunCY);\n    float r = length(sd) / max(uSunSize, 1e-3); // normalized radius, 1 at the edge\n\n    // Soft glow halo bleeding into the sky around the disc.\n    float halo = exp(-max(r - 1.0, 0.0) * 5.5);\n    col += uSunTop * halo * 0.55 * calm;\n\n    // Sun body: vertical gradient, with horizontal bands cut from the lower half\n    // (each gap thickening toward the bottom, the iconic retrowave slit pattern).\n    float disc = smoothstep(1.0, 0.985, r);\n    float vy = clamp(sd.y / max(uSunSize, 1e-3) * 0.5 + 0.5, 0.0, 1.0);\n    vec3 sunCol = mix(uSunBottom, uSunTop, vy);\n\n    float below = max(-sd.y / max(uSunSize, 1e-3), 0.0); // 0 above center, grows downward\n    // Drift the slit phase over time so the sun's scanlines crawl downward.\n    float slit = fract(below * uSunBands - uTime * 0.18);\n    float gapW = clamp(below, 0.0, 1.0) * 0.85;          // gap fraction grows downward\n    float cut = step(slit, gapW) * smoothstep(0.04, 0.12, below); // keep upper sun whole\n    float sunBody = disc * (1.0 - cut);\n\n    col = mix(col, sunCol, sunBody);\n  } else {\n    // --- FLOOR --- perspective grid, a faithful port of a known-good community\n    // outrun grid (prior versions read as a too-dense, flickering sheet). Work in\n    // the reference's centered frame: cx is full-width centered x, dy is the\n    // centered distance BELOW the horizon. The additive offset caps the depth at\n    // the horizon, and putting big cells in the near field (low min depth) is what\n    // keeps the line spacing above a pixel, so it neither sheets nor shimmers.\n    float cx = 2.0 * fx;            // = (2*vUv.x - 1) * aspect\n    float dy = 2.0 * (h - fy);      // centered distance below the horizon (> 0)\n\n    // Cell count: uGridDensity 4 -> numerator 1.0 (sparse, big near cells). x\n    // widens with depth (the 0.7 factor); scroll is a slow drift toward the viewer.\n    float num = uGridDensity * 0.25;\n    float depth = num / (dy + 0.05);\n    vec2 g = vec2(cx * depth * 0.7, depth);\n    g.y += uTime * uSpeed * 0.3;\n    vec2 e = abs(fract(g) - 0.5);\n\n    // PIXEL-CALIBRATED line width: each line core is a fixed ~px wide in SCREEN\n    // PIXELS (via uResolution), the same at every depth and every resolution. The\n    // old depth^2*const width was constant in theory but landed sub-pixel, so\n    // discrete sampling rendered some rungs thick and others thin -> the uneven\n    // rungs that read as flicker. Solving sz so screen thickness == px: the rungs\n    // (g.y, compression ~depth^2/num) need sz.y = depth^2 * pf / num; the verticals\n    // (g.x) need sz.x = depth * 0.7 * pf. uGridGlow sets px (0.5 -> 2 px).\n    float pf = (uGridGlow * 4.0) / uResolution.y;\n    vec2 sz = vec2(depth * 0.7 * pf, depth * depth * pf / num);\n    vec2 lines = 1.0 - smoothstep(vec2(0.0), sz, e);\n    lines += (1.0 - smoothstep(vec2(0.0), sz * 4.0, e)) * 0.5;\n    float gridVal = clamp(lines.x + lines.y, 0.0, 1.0);\n\n    // Fade the grid out BEFORE rung spacing goes sub-pixel near the horizon: that\n    // zone moires/shimmers as it scrolls no matter how clean each line is (a second\n    // flicker source, separate from line width). subpx is the depth at which rungs\n    // are ~2 px apart, derived from uResolution; the seam glow below covers the\n    // faded edge so the horizon still reads as a bright line.\n    float subpx = sqrt(num * uResolution.y * 0.25);\n    gridVal *= 1.0 - smoothstep(subpx * 0.55, subpx, depth);\n\n    vec3 floorBase = uSkyHorizon * 0.06;\n    col = mix(floorBase, uGridColor, gridVal * calm);\n  }\n\n  // Glowing horizon seam where floor meets sky.\n  float seam = exp(-abs(fy - h) * 90.0);\n  col += uGridColor * seam * 0.5 * calm;\n\n  oColor = vec4(col, 1.0);\n}\n";
export declare const CLOUDS_FRAG_SRC = "#version 300 es\nprecision highp float;\n\nuniform float uTime;\nuniform vec2 uResolution;\nuniform vec3 uSkyLowColor;\nuniform vec3 uSkyHighColor;\nuniform vec3 uCloudLightColor;\nuniform vec3 uCloudDarkColor;\nuniform float uExposure;\nuniform float uStepSize;\nuniform float uCloudSpeed;\nuniform float uCloudScale;\nuniform float uDensity;\nuniform float uCoverage;\nuniform float uSoftness;\n\nin highp vec2 vUv;\nout vec4 oColor;\n\n// STEPS must stay a compile-time constant (GLSL ES loop bound).\n// 32 (was 48; issue #37): the distance-growing step in main() keeps the\n// marched range, so fewer steps buys speed instead of clipping the horizon.\n#define STEPS 32\n\nfloat hash(vec3 p) {\n    p = fract(p * 0.3183099 + 0.1);\n    p *= 17.0;\n    return fract(p.x * p.y * p.z * (p.x + p.y + p.z));\n}\n\nfloat rand(vec2 p) {\n    return fract(sin(dot(p, vec2(127.1, 311.7))) * 43758.5453123);\n}\n\nfloat noise(vec3 p) {\n    vec3 i = floor(p);\n    vec3 f = fract(p);\n    f = f * f * (3.0 - 2.0 * f);\n    return mix(\n        mix(\n            mix(hash(i + vec3(0,0,0)), hash(i + vec3(1,0,0)), f.x),\n            mix(hash(i + vec3(0,1,0)), hash(i + vec3(1,1,0)), f.x),\n            f.y),\n        mix(\n            mix(hash(i + vec3(0,0,1)), hash(i + vec3(1,0,1)), f.x),\n            mix(hash(i + vec3(0,1,1)), hash(i + vec3(1,1,1)), f.x),\n            f.y),\n        f.z);\n}\n\n// 4 octaves (was 5; issue #37): the 5th octave is fine wisp detail the\n// smoothstep(uCoverage, uCoverage + uSoftness, n) threshold mostly eats; each\n// octave is 8 hash() calls per sample, so this is a flat -20% on the march.\nfloat fbm(vec3 p) {\n    float v = 0.0;\n    float a = 0.5;\n    for (int i = 0; i < 4; i++) {\n        v += a * noise(p);\n        p *= 2.03;\n        a *= 0.5;\n    }\n    return v;\n}\n\nfloat cloudDensity(vec3 p) {\n    p += vec3(uTime * uCloudSpeed, 0.0, uTime * uCloudSpeed * 0.35);\n    // Outside the slab the height mask is 0, so the sample is 0; bail before fbm.\n    if (p.y <= 0.0 || p.y >= 3.0) return 0.0;\n    float n = fbm(p * uCloudScale);\n    float bottom = smoothstep(0.0, 0.7, p.y);\n    float top = smoothstep(3.0, 1.2, p.y);\n    float heightMask = bottom * top;\n    float cloud = smoothstep(uCoverage, uCoverage + uSoftness, n);\n    return cloud * heightMask;\n}\n\nvoid main() {\n    vec2 fragCoord = vUv * uResolution;\n    vec2 uv = (fragCoord - 0.5 * uResolution) / uResolution.y;\n    vec3 ro = vec3(0.0, 1.2, -4.0);\n    vec3 rd = normalize(vec3(uv, 1.5));\n    float skyGradient = clamp(rd.y * 0.5 + 0.5, 0.0, 1.0);\n    vec3 skyColor = mix(uSkyLowColor, uSkyHighColor, skyGradient);\n    vec3 accum = vec3(0.0);\n    float alpha = 0.0;\n    float t = rand(fragCoord) * uStepSize;\n    for (int i = 0; i < STEPS; i++) {\n        vec3 p = ro + rd * t;\n        // The slab is crossed monotonically in t; once past it, all samples are 0.\n        if (rd.y > 0.0 && p.y >= 3.0) break;\n        if (rd.y < 0.0 && p.y <= 0.0) break;\n        float d = cloudDensity(p);\n        // Distance-growing step (issue #37): far clouds are small on screen and\n        // tolerate coarser sampling, so the step stretches with t. 32 growing\n        // steps reach slightly past where 48 uniform steps did, spending the\n        // samples up close where banding would show. growth also scales the\n        // per-sample opacity so optical depth per unit distance stays consistent\n        // with the uniform-step tuning the presets were dialed against.\n        float growth = 1.0 + t * 0.15;\n        if (d > 0.01) {\n            float light = smoothstep(0.4, 2.8, p.y);\n            vec3 sampleColor = mix(uCloudDarkColor, uCloudLightColor, light);\n            float a = min(d * uDensity * growth, 1.0);\n            accum += (1.0 - alpha) * sampleColor * a;\n            alpha += (1.0 - alpha) * a;\n        }\n        t += uStepSize * growth;\n        if (alpha > 0.95) break;\n    }\n    vec3 color = mix(skyColor, accum, alpha);\n    color *= uExposure;\n    color = pow(color, vec3(0.9));\n    oColor = vec4(color, 1.0);\n}\n";
export declare const NEBULA_FRAG_SRC = "#version 300 es\nprecision highp float;\n\nuniform float uTime;          // seconds, monotonically increasing; range [0, inf)\nuniform vec2 uResolution;     // framebuffer size in pixels; both components > 0\nuniform vec3 uColor;          // overall tint / color grade; [1,1,1] = untinted\nuniform float uBrightness;    // final glow multiplier; 1.0 = stock\nuniform float uSpeed;         // drift + rotation rate; 1.0 = stock, 0 freezes\nuniform float uTwinkleSpeed;  // star color-cycle rate; 1.0 = stock\nuniform float uScale;         // starfield zoom / density; >1 = more, smaller stars\nuniform float uStarGlow;      // star-core size; 1.0 = stock\n\nin highp vec2 vUv;\nout vec4 oColor;\n\nconst float PI = 3.14159265;\nconst float MIN_DIVIDE = 64.0;\nconst float MAX_DIVIDE = 0.01;\n// Number of stacked starfield layers. Compile-time constant so the layer\n// loop has a fixed integer bound (cross-compile-safe; no float loop counter).\n// 7 (was 8 #74, was 12 #39) for cost; the work is linear in the count and\n// dimByDensity rebalances per-star brightness automatically. 7 keeps the dense\n// look essentially intact (6 was visibly sparser at some animation phases);\n// paired with the empty-cell early-out below it lands ~34% under the old 8.\nconst int STARFIELD_LAYERS_COUNT = 7;\n\nmat2 Rotate(float angle) {\n  float s = sin(angle);\n  float c = cos(angle);\n  return mat2(c, -s, s, c);\n}\n\nfloat Star(vec2 uv, float flaresize, float rotAngle, float randomN) {\n  float d = length(uv);\n  // The concentric fade at the bottom is exactly 0 for d >= 1.0; the star is\n  // invisible there, so skip everything (issue #39: a large share of the 3x3\n  // neighbor sweep lands outside this radius; the cull is output-identical).\n  if (d >= 1.0) return 0.0;\n  // Star core. Guard the division: length(uv) can be exactly 0 at a cell\n  // center, which yields inf/NaN under Metal. max(d, 1e-4) caps the core\n  // brightness without visibly changing the look (the concentric\n  // smoothstep fade below already clamps it).\n  float starcore = 0.05 * uStarGlow / max(d, 1e-4);\n  // Flares exist only on the brightest stars: flaresize is exactly 0 below the\n  // smoothstep(0.9, 1.0, size) knee (~90% of cells), and both Rotates feed\n  // nothing but the flares. Skipping the block is output-identical, and\n  // flaresize is constant per cell, so the branch is coherent (issue #39).\n  if (flaresize > 0.0) {\n    uv *= Rotate(-2.0 * PI * rotAngle);\n    float flareMax = 1.0;\n\n    // flares\n    float starflares = max(0.0, flareMax - abs(uv.x * uv.y * 3000.0));\n    starcore += starflares * flaresize;\n    uv *= Rotate(PI * 0.25);\n    starflares = max(0.0, flareMax - abs(uv.x * uv.y * 3000.0));\n    starcore += starflares * 0.3 * flaresize;\n  }\n  // light can't go forever, fade it concentrically.\n  starcore *= smoothstep(1.0, 0.05, d);\n  return starcore;\n}\n\nfloat PseudoRandomizer(vec2 p) {\n  // not really random, but it looks random.\n  p = fract(p * vec2(123.45, 345.67));\n  p += dot(p, p + 45.32);\n  return fract(p.x * p.y);\n}\n\nvec3 StarFieldLayer(vec2 uv, float rotAngle) {\n  vec3 col = vec3(0.0);\n\n  vec2 gv = fract(uv) - 0.5;\n  vec2 id = floor(uv);\n\n  float deltaTimeTwinkle = uTime * 0.35 * uTwinkleSpeed;\n\n  // sweep the 8 neighbors plus the home cell so stars are not clipped at\n  // cell borders. Constant 3x3 bounds.\n  for (int y = -1; y <= 1; y++) {\n    for (int x = -1; x <= 1; x++) {\n      vec2 offset = vec2(float(x), float(y));\n\n      float randomN = PseudoRandomizer(id + offset); // 0..1\n      float randoX = randomN - 0.5;\n      float randoY = fract(randomN * 45.0) - 0.5;\n      vec2 randomPosition = gv - offset - vec2(randoX, randoY);\n      // fract trick: random sizes\n      float size = fract(randomN * 1356.33);\n      float flareSwitch = smoothstep(0.9, 1.0, size);\n      float star = Star(randomPosition, flareSwitch, rotAngle, randomN);\n      // The per-cell color below is multiplied by `star` at the end, so for any\n      // cell whose star is 0 (Star() returns exactly 0 for d >= 1.0, i.e. the\n      // empty-sky majority of the 8x9 = 72 cells/pixel) the whole term is 0.\n      // Skipping the sin(vec3) color work for those cells is output-identical and\n      // is the bulk of the win (issue #74).\n      if (star <= 0.0) continue;\n\n      // fract trick: random colors\n      float randomStarColorSeed = fract(randomN * 2150.0) * (3.0 * PI) * deltaTimeTwinkle;\n      vec3 color = sin(vec3(0.7, 0.3, 0.9) * randomStarColorSeed);\n\n      // compress\n      color = color * (0.4 * sin(deltaTimeTwinkle)) + 0.6;\n      // filter\n      color = color * vec3(1.0, 0.1, 0.9 + size);\n      float dimByDensity = 15.0 / float(STARFIELD_LAYERS_COUNT);\n      col += star * size * color * dimByDensity;\n    }\n  }\n\n  return col;\n}\n\nvoid main() {\n  // ShaderToy fragCoord, reconstructed from vUv (see header).\n  vec2 fragCoord = vUv * uResolution;\n\n  // Normalized pixel coordinates centered at screen middle.\n  vec2 uv = (fragCoord - 0.5 * uResolution.xy) / uResolution.y;\n\n  float deltaTime = uTime * 0.01 * uSpeed;\n\n  vec3 col = vec3(0.0);\n\n  float rotAngle = deltaTime * 0.09;\n\n  // Layer accumulation. Integer-counted loop replacing the original\n  // `for (float i = 0.0; i < 1.0; i += 1.0/COUNT)`. With n in [0, COUNT),\n  // i = n/COUNT reproduces the exact same {0, 1/N, 2/N, ...} sequence and\n  // the same iteration count, so visual output is unchanged; only the loop\n  // form is cross-compile-safe.\n  for (int n = 0; n < STARFIELD_LAYERS_COUNT; n++) {\n    float i = float(n) / float(STARFIELD_LAYERS_COUNT);\n    float layerDepth = fract(i + deltaTime);\n    float layerScale = mix(MIN_DIVIDE, MAX_DIVIDE, layerDepth);\n    float layerFader = layerDepth * smoothstep(0.1, 1.1, layerDepth);\n    float layerOffset = i * (3430.0 + fract(i));\n    mat2 layerRot = Rotate(rotAngle * i * -10.0);\n    uv *= layerRot;\n    vec2 starfieldUv = uv * layerScale * uScale + layerOffset;\n    col += StarFieldLayer(starfieldUv, rotAngle) * layerFader;\n  }\n\n  // Glow + color grade, then opaque procedural background.\n  col *= uBrightness * uColor;\n  oColor = vec4(col, 1.0);\n}\n";
export declare const GODRAYS_FRAG_SRC = "#version 300 es\nprecision highp float;\n\nuniform float uTime;          // seconds, monotonically increasing\nuniform vec2 uResolution;     // framebuffer size in pixels\nuniform vec3 uLightColor;     // ray tint (linear-ish RGB, 0..1)\nuniform float uRayCount;      // number of ray bands\nuniform float uRaySpeed;      // drift speed\nuniform float uRayIntensity;  // overall brightness / additive strength\nuniform float uRaySoftness;   // edge falloff exponent (higher = crisper shafts)\nuniform float uTopGlow;       // extra glow concentrated near the top\nuniform float uFadeDistance;  // vertical falloff from the top\nuniform float uWobbleAmount;  // horizontal wobble magnitude\nuniform float uWobbleSpeed;   // wobble animation speed\n\nin highp vec2 vUv;\nout vec4 oColor;\n\nfloat hash(float n) {\n    return fract(sin(n) * 43758.5453123);\n}\n\nfloat noise(vec2 p) {\n    vec2 i = floor(p);\n    vec2 f = fract(p);\n\n    f = f * f * (3.0 - 2.0 * f);\n\n    float a = hash(i.x + i.y * 57.0);\n    float b = hash(i.x + 1.0 + i.y * 57.0);\n    float c = hash(i.x + (i.y + 1.0) * 57.0);\n    float d = hash(i.x + 1.0 + (i.y + 1.0) * 57.0);\n\n    return mix(mix(a, b, f.x), mix(c, d, f.x), f.y);\n}\n\nvoid main() {\n    // vUv is already 0..1 with bottom-left origin; this is the Shadertoy `uv`.\n    vec2 uv = vUv;\n\n    float aspect = uResolution.x / uResolution.y;\n    vec2 p = uv;\n    p.x = (p.x - 0.5) * aspect + 0.5;\n\n    float t = uTime;\n    float fromTop = 1.0 - uv.y;\n\n    float verticalFade = exp(-fromTop * uFadeDistance);\n    float topGlow = exp(-fromTop * 8.0) * uTopGlow;\n\n    float wobble =\n        (noise(vec2(uv.y * 3.0, t * uWobbleSpeed)) - 0.5) * uWobbleAmount;\n\n    float rayCoord = (p.x + wobble) * uRayCount;\n\n    float raysA = sin(rayCoord + t * uRaySpeed);\n    float raysB = sin(rayCoord * 1.73 - t * uRaySpeed * 0.7);\n\n    float rays = raysA * 0.65 + raysB * 0.35;\n    rays = rays * 0.5 + 0.5;\n    rays = pow(rays, uRaySoftness);\n\n    float shimmer = noise(vec2(uv.x * 10.0, uv.y * 4.0 - t * 0.3));\n    rays *= mix(0.75, 1.25, shimmer);\n\n    float alpha = rays * verticalFade * uRayIntensity;\n    alpha += topGlow * uRayIntensity;\n    alpha = clamp(alpha, 0.0, 1.0);\n\n    // Premultiplied additive output: rgb already scaled by alpha.\n    vec3 rayColor = uLightColor * alpha;\n    oColor = vec4(rayColor, alpha);\n}\n";
export declare const FIREFLIES_FRAG_SRC = "#version 300 es\nprecision highp float;\n\nuniform float uTime;\nuniform vec2 uResolution;\nuniform float uGlowSize;\nuniform float uDotSize;\nuniform float uSpeed;\nuniform float uTwinkle;\nuniform vec3 uColor;\n\nin highp vec2 vUv;\nout vec4 oColor;\n\n#define FIREFLY_COUNT 36\n\nfloat hash(float n) {\n    return fract(sin(n) * 43758.5453123);\n}\n\nvec2 fireflyPos(float id, float t) {\n    vec2 base = vec2(hash(id * 12.7), hash(id * 31.3));\n    float a = hash(id * 5.1) * 6.28318;\n    float b = hash(id * 9.7) * 6.28318;\n    vec2 drift = vec2(sin(t * uSpeed + a), cos(t * uSpeed * 0.73 + b)) * 0.12;\n    return fract(base + drift);\n}\n\nvoid main() {\n    vec2 uv = vUv;\n    vec2 p = uv;\n    p.x *= uResolution.x / uResolution.y;\n    vec3 color = vec3(0.0);\n    float alpha = 0.0;\n    for (int i = 0; i < FIREFLY_COUNT; i++) {\n        float id = float(i);\n        vec2 pos = fireflyPos(id, uTime);\n        pos.x *= uResolution.x / uResolution.y;\n        float d = length(p - pos);\n        float phase = hash(id * 17.1) * 6.28318;\n        float pulse = 0.5 + 0.5 * sin(uTime * uTwinkle + phase);\n        pulse = pulse * pulse * sqrt(pulse);  // pow(pulse, 2.5): a non-integer pow is ~2 transcendentals on mobile; this is 1 sqrt + 2 muls\n        float glow = exp(-d * d / (uGlowSize * uGlowSize));\n        float core = smoothstep(uDotSize, 0.0, d);\n        float intensity = pulse * (glow * 0.55 + core * 1.4);\n        color += uColor * intensity;\n        alpha += intensity * 0.55;\n    }\n    alpha = clamp(alpha, 0.0, 1.0);\n    color = clamp(color, 0.0, 1.0);\n    oColor = vec4(color, alpha);\n}\n";
export declare const SIMIANLIGHTS_FRAG_SRC = "#version 300 es\nprecision highp float;\n\nuniform float uTime;          // seconds, monotonically increasing; range [0, inf)\nuniform vec2 uResolution;     // framebuffer size in pixels; both components > 0\nuniform vec3 uColor;          // overall tint / color grade; [1,1,1] = untinted\nuniform float uBrightness;    // final glow multiplier; 1.0 = stock\nuniform float uSpeed;         // drift + rotation rate; 1.0 = stock, 0 freezes\nuniform float uTwinkleSpeed;  // star color-cycle rate; 1.0 = stock\nuniform float uScale;         // starfield zoom / density; >1 = more, smaller stars\nuniform float uStarGlow;      // star-core size; 1.0 = stock\n\nin highp vec2 vUv;\nout vec4 oColor;\n\nconst float PI = 3.14159265;\nconst float MIN_DIVIDE = 3.0;\nconst float MAX_DIVIDE = 0.01;\n// Number of stacked starfield layers. Compile-time constant so the layer\n// loop has a fixed integer bound (cross-compile-safe; no float loop counter).\nconst int STARFIELD_LAYERS_COUNT = 4;\n\nmat2 Rotate(float angle) {\n  float s = sin(angle);\n  float c = cos(angle);\n  return mat2(c, -s, s, c);\n}\n\nfloat Star(vec2 uv, float flaresize, float rotAngle, float randomN) {\n  float d = length(uv);\n  // The concentric fade at the bottom is exactly 0 for d >= 1.0; the star is\n  // invisible there, so skip everything (issue #39: a large share of the 3x3\n  // neighbor sweep lands outside this radius; the cull is output-identical).\n  if (d >= 1.0) return 0.0;\n  // Star core. Guard the division: length(uv) can be exactly 0 at a cell\n  // center, which yields inf/NaN under Metal. max(d, 1e-4) caps the core\n  // brightness without visibly changing the look (the concentric\n  // smoothstep fade below already clamps it).\n  float starcore = 0.09 * uStarGlow / max(d, 1e-4);\n  // Flares exist only on the brightest stars: flaresize is exactly 0 below the\n  // smoothstep(0.9, 1.0, size) knee (~90% of cells), and both Rotates feed\n  // nothing but the flares. Skipping the block is output-identical, and\n  // flaresize is constant per cell, so the branch is coherent (issue #39).\n  if (flaresize > 0.0) {\n    uv *= Rotate(-2.0 * PI * rotAngle);\n    float flareMax = 1.0;\n\n    // flares\n    float starflares = max(0.0, flareMax - abs(uv.x * uv.y * 3000.0));\n    starcore += starflares * flaresize;\n    uv *= Rotate(PI * 0.25);\n    starflares = max(0.0, flareMax - abs(uv.x * uv.y * 3000.0));\n    starcore += starflares * 0.3 * flaresize;\n  }\n  // light can't go forever, fade it concentrically.\n  starcore *= smoothstep(1.0, 0.05, d);\n  return starcore;\n}\n\nfloat PseudoRandomizer(vec2 p) {\n  // not really random, but it looks random.\n  p = fract(p * vec2(123.45, 345.67));\n  p += dot(p, p + 45.32);\n  return fract(p.x * p.y);\n}\n\nvec3 StarFieldLayer(vec2 uv, float rotAngle) {\n  vec3 col = vec3(0.0);\n\n  vec2 gv = fract(uv) - 0.5;\n  vec2 id = floor(uv);\n\n  float deltaTimeTwinkle = uTime * 0.35 * uTwinkleSpeed;\n\n  // sweep the 8 neighbors plus the home cell so stars are not clipped at\n  // cell borders. Constant 3x3 bounds.\n  for (int y = -1; y <= 1; y++) {\n    for (int x = -1; x <= 1; x++) {\n      vec2 offset = vec2(float(x), float(y));\n\n      float randomN = PseudoRandomizer(id + offset); // 0..1\n      float randoX = randomN - 0.5;\n      float randoY = fract(randomN * 45.0) - 0.5;\n      vec2 randomPosition = gv - offset - vec2(randoX, randoY);\n      // fract trick: random sizes\n      float size = fract(randomN * 1356.33);\n      float flareSwitch = smoothstep(0.9, 1.0, size);\n      float star = Star(randomPosition, flareSwitch, rotAngle, randomN);\n\n      // fract trick: random colors\n      float randomStarColorSeed = fract(randomN * 2150.0) * (3.0 * PI) * deltaTimeTwinkle;\n      vec3 color = sin(vec3(0.7, 0.3, 0.9) * randomStarColorSeed);\n\n      // compress\n      color = color * (0.4 * sin(deltaTimeTwinkle)) + 0.6;\n      // filter\n      color = color * vec3(1.0, 0.1, 0.9 + size);\n      float dimByDensity = 15.0 / float(STARFIELD_LAYERS_COUNT);\n      col += star * size * color * dimByDensity;\n    }\n  }\n\n  return col;\n}\n\nvoid main() {\n  // ShaderToy fragCoord, reconstructed from vUv (see header).\n  vec2 fragCoord = vUv * uResolution;\n\n  // Normalized pixel coordinates centered at screen middle.\n  vec2 uv = (fragCoord - 0.5 * uResolution.xy) / uResolution.y;\n\n  float deltaTime = uTime * 0.01 * uSpeed;\n\n  vec3 col = vec3(0.0);\n\n  float rotAngle = deltaTime * 0.09;\n\n  // Layer accumulation. Integer-counted loop replacing the original\n  // `for (float i = 0.0; i < 1.0; i += 1.0/COUNT)`. With n in [0, COUNT),\n  // i = n/COUNT reproduces the exact same {0, 1/N, 2/N, ...} sequence and\n  // the same iteration count, so visual output is unchanged; only the loop\n  // form is cross-compile-safe.\n  for (int n = 0; n < STARFIELD_LAYERS_COUNT; n++) {\n    float i = float(n) / float(STARFIELD_LAYERS_COUNT);\n    float layerDepth = fract(i + deltaTime);\n    float layerScale = mix(MIN_DIVIDE, MAX_DIVIDE, layerDepth);\n    float layerFader = layerDepth * smoothstep(0.1, 1.1, layerDepth);\n    float layerOffset = i * (3430.0 + fract(i));\n    mat2 layerRot = Rotate(rotAngle * i * -10.0);\n    uv *= layerRot;\n    vec2 starfieldUv = uv * layerScale * uScale + layerOffset;\n    col += StarFieldLayer(starfieldUv, rotAngle) * layerFader;\n  }\n\n  // Glow + color grade, then opaque procedural background.\n  col *= uBrightness * uColor;\n  oColor = vec4(col, 1.0);\n}\n";
export declare const ANAMORPHIC_LENSFLARE_FRAG_SRC = "#version 300 es\nprecision highp float;\n\nuniform float uTime;          // seconds, monotonically increasing; range [0, inf)\nuniform float uFlareX;        // flare X position, 0..1 (drifts slowly around this)\nuniform float uFlareY;        // flare Y position, 0..1 (0 = bottom)\nuniform float uIntensity;     // overall brightness multiplier\nuniform float uStreakLength;  // horizontal streak reach; higher = longer\nuniform float uStreakWidth;   // main streak vertical tightness; higher = thinner\nuniform float uGhostStrength; // optical-ghost strength along the flare axis\nuniform vec3 uWarmColor;      // core / warm streak tint\nuniform vec3 uBlueColor;      // halo / wide-streak tint\nuniform vec3 uPinkColor;      // secondary streak / ghost tint\n\nin highp vec2 vUv;\nout vec4 oColor;\n\nfloat softOrb(vec2 uv, vec2 center, float radius) {\n  float d = length(uv - center);\n  float q = d / radius;  // pow(q, 2.0) -> q*q; spirv-opt does not strength-reduce it\n  return exp(-q * q);\n}\n\nfloat softStreak(vec2 uv, vec2 center, float width, float length) {\n  float yFalloff = exp(-abs(uv.y - center.y) * width);\n  float xFalloff = exp(-abs(uv.x - center.x) * length);\n  return yFalloff * xFalloff;\n}\n\nvoid main() {\n  // ShaderToy uv = fragCoord / iResolution; identical to vUv here.\n  vec2 uv = vUv;\n\n  // Slow horizontal drift.\n  float horizontalDrift = sin(uTime * 0.18) * 0.10;\n  vec2 flarePos = vec2(uFlareX + horizontalDrift, uFlareY);\n\n  vec3 col = vec3(0.0);\n  float alpha = 0.0;\n\n  // Main source.\n  float core = softOrb(uv, flarePos, 0.022);\n  float bloom = softOrb(uv, flarePos, 0.095);\n  float outerHalo = softOrb(uv, flarePos, 0.28);\n\n  col += vec3(1.0) * core * 1.8;\n  col += uWarmColor * bloom * 0.95;\n  col += uBlueColor * outerHalo * 0.16;\n\n  alpha += core * 0.45;\n  alpha += bloom * 0.22;\n  alpha += outerHalo * 0.045;\n\n  // Moving streak intensity.\n  float sweepGlow = 0.85 + 0.15 * sin(uTime * 0.7 + uv.x * 8.0);\n\n  // Main + wide anamorphic streaks.\n  float mainStreak = softStreak(uv, flarePos, uStreakWidth, uStreakLength);\n  float wideStreak = softStreak(uv, flarePos, 70.0, uStreakLength * 0.65);\n\n  col += uWarmColor * mainStreak * 1.15 * sweepGlow;\n  col += uBlueColor * wideStreak * 0.26 * sweepGlow;\n\n  alpha += mainStreak * 0.18;\n  alpha += wideStreak * 0.055;\n\n  // Secondary colored streaks.\n  float upperLine = softStreak(uv, flarePos + vec2(0.0, 0.012), 260.0, uStreakLength * 0.7);\n  float lowerLine = softStreak(uv, flarePos - vec2(0.0, 0.010), 240.0, uStreakLength * 0.8);\n\n  col += uBlueColor * upperLine * 0.22;\n  col += uPinkColor * lowerLine * 0.16;\n\n  alpha += (upperLine + lowerLine) * 0.035;\n\n  // Optical ghosts along the line from the flare through screen center.\n  vec2 center = vec2(0.5);\n  vec2 axis = center - flarePos;\n\n  vec2 ghost1 = flarePos + axis * 0.45;\n  vec2 ghost2 = flarePos + axis * 0.85;\n  vec2 ghost3 = flarePos + axis * 1.28;\n  vec2 ghost4 = flarePos - axis * 0.35;\n\n  float g1 = softOrb(uv, ghost1, 0.070);\n  float g2 = softOrb(uv, ghost2, 0.115);\n  float g3 = softOrb(uv, ghost3, 0.055);\n  float g4 = softOrb(uv, ghost4, 0.095);\n\n  col += uPinkColor * g1 * 0.18 * uGhostStrength;\n  col += uBlueColor * g2 * 0.15 * uGhostStrength;\n  col += uWarmColor * g3 * 0.22 * uGhostStrength;\n  col += uBlueColor * g4 * 0.10 * uGhostStrength;\n\n  alpha += g1 * 0.040 * uGhostStrength;\n  alpha += g2 * 0.035 * uGhostStrength;\n  alpha += g3 * 0.050 * uGhostStrength;\n  alpha += g4 * 0.030 * uGhostStrength;\n\n  // Tiny shimmer to keep it alive.\n  float shimmer = 0.97 + 0.03 * sin(uTime * 2.1);\n\n  col *= uIntensity * shimmer;\n  alpha *= uIntensity * shimmer;\n\n  alpha = clamp(alpha, 0.0, 1.0);\n  oColor = vec4(col, alpha);\n}\n";
export declare const LIGHT_BEAMS_AND_MOTES_FRAG_SRC = "#version 300 es\nprecision highp float;\n\nuniform float uTime;          // seconds, monotonically increasing; range [0, inf)\nuniform float uSpeed;         // animation rate; 1.0 = stock, 0 freezes the field\nuniform float uBeamSoftness;  // beam polygon edge softness\nuniform float uOverlayAlpha;  // overall overlay opacity, applied to final alpha\n\n// Per-beam: a row-major quad (TL, TR, BL, BR; y-up), a color, a fill strength\n// (absolute), and an on/off flag. A disabled beam's quadMask + sins do not execute\n// at all (the flag is uniform, so the branch is coherent across every fragment) --\n// that is how you stop paying for beams you are not using.\nuniform vec2 uBeam1Poly[4];\nuniform vec3 uBeam1Color;\nuniform float uBeam1Alpha;\nuniform float uBeam1On;\nuniform vec2 uBeam2Poly[4];\nuniform vec3 uBeam2Color;\nuniform float uBeam2Alpha;\nuniform float uBeam2On;\nuniform vec2 uBeam3Poly[4];\nuniform vec3 uBeam3Color;\nuniform float uBeam3Alpha;\nuniform float uBeam3On;\n\nuniform float uMoteAlpha;     // mote brightness (absolute)\nuniform float uGlowSize;      // mote glow radius, in mote-size multiples\nuniform float uMoteCount;     // active motes (<= MOTE_COUNT); a coherent break trims the loop\n\nin highp vec2 vUv;\nout vec4 oColor;\n\n// ---------- Mote controls (internal constants) ----------\n#define MOTE_COUNT        128   // loop bound: compile-time constant, not a uniform\n#define DRIFT_SPEED       0.060\n#define FALL_SPEED        0.012\n#define SWIRL_AMOUNT      0.065\n#define TURBULENCE        0.030\n#define MOTE_SIZE_MIN     0.0013\n#define MOTE_SIZE_MAX     0.0048\n\nfloat hash1(float n) {\n    return fract(sin(n) * 43758.5453123);\n}\n\nvec2 hash2(float n) {\n    return vec2(hash1(n + 11.17), hash1(n + 47.83));\n}\n\nfloat softMote(vec2 uv, vec2 center, float radius) {\n    float d = length(uv - center);\n    float q = d / radius;  // pow(q, 2.0) -> q*q; spirv-opt does not strength-reduce it\n    return exp(-q * q);\n}\n\n// Soft convex quad mask, winding-AGNOSTIC: the corners are user-draggable, so the\n// perimeter can wind either way. A point is inside when it is on the same side of\n// all four edges, whichever side that is; product the positive-side smoothsteps and\n// the negative-side ones and keep the larger.\nfloat quadMask(vec2 p, vec2 a, vec2 b, vec2 c, vec2 d, float softness) {\n    vec2 e0 = b - a;\n    vec2 e1 = c - b;\n    vec2 e2 = d - c;\n    vec2 e3 = a - d;\n    float s0 = e0.x * (p.y - a.y) - e0.y * (p.x - a.x);\n    float s1 = e1.x * (p.y - b.y) - e1.y * (p.x - b.x);\n    float s2 = e2.x * (p.y - c.y) - e2.y * (p.x - c.x);\n    float s3 = e3.x * (p.y - d.y) - e3.y * (p.x - d.x);\n    float inNeg =\n        smoothstep(-softness, softness, -s0) *\n        smoothstep(-softness, softness, -s1) *\n        smoothstep(-softness, softness, -s2) *\n        smoothstep(-softness, softness, -s3);\n    float inPos =\n        smoothstep(-softness, softness, s0) *\n        smoothstep(-softness, softness, s1) *\n        smoothstep(-softness, softness, s2) *\n        smoothstep(-softness, softness, s3);\n    return max(inNeg, inPos);\n}\n\n// Subtle animated variation inside each beam.\nfloat beamTexture(vec2 uv, float seed) {\n    float t = uTime * uSpeed;\n    float broadBands = 0.55 + 0.45 * sin(uv.x * 7.0 + uv.y * 4.0 + t * 0.06 + seed);\n    float fineBands = 0.75 + 0.25 * sin(uv.x * 23.0 - uv.y * 11.0 + t * 0.11 + seed * 2.7);\n    return mix(0.65, 1.0, broadBands * fineBands);\n}\n\n// Geometric coverage of one row-major beam quad at uv (mask * texture, 0..~1), with\n// the row-major -> perimeter reorder folded in. Independent of the beam's alpha.\nfloat beamShape(vec2 uv, vec2 poly[4], float seed) {\n    return quadMask(uv, poly[0], poly[1], poly[3], poly[2], uBeamSoftness) * beamTexture(uv, seed);\n}\n\n// Evaluate the three beams once. Returns the GEOMETRIC coverage sum (used to gate +\n// brighten motes and to drive the haze, so per-beam alpha never dims the motes);\n// writes `color` (the geometry-weighted beam hue, for fill and motes) and `litSum`\n// (the alpha-weighted amount, the actual fill brightness/opacity).\nfloat evalBeams(vec2 uv, out vec3 color, out float litSum) {\n    float a1 = 0.0;\n    float a2 = 0.0;\n    float a3 = 0.0;\n    if (uBeam1On > 0.5) a1 = beamShape(uv, uBeam1Poly, 1.0);\n    if (uBeam2On > 0.5) a2 = beamShape(uv, uBeam2Poly, 8.0);\n    if (uBeam3On > 0.5) a3 = beamShape(uv, uBeam3Poly, 14.0);\n\n    float geomSum = a1 + a2 + a3;\n    color = (uBeam1Color * a1 + uBeam2Color * a2 + uBeam3Color * a3) / max(geomSum, 0.0001);\n    litSum = a1 * uBeam1Alpha + a2 * uBeam2Alpha + a3 * uBeam3Alpha;\n    return geomSum;\n}\n\n// Accumulate the dust motes for ALL on beams in ONE loop. Each mote is round-\n// robined to an on beam (mote n -> the (n mod nActive)-th on beam) and spawned in\n// THAT beam's (u,v) space: every mote lands in a beam, takes the beam's color, and\n// gets a cheap (u,v) edge falloff -- no screen-space scatter to cull, no per-mote\n// quadMask. n and nActive are uniform across fragments, so the beam pick is\n// COHERENT (same for every pixel), not a divergent per-pixel branch. Motes drift\n// ALONG the beam (fall in v, swirl in u) and wrap, fading at the boundaries so the\n// wrap is never a visible pop. Total mote count is uMoteCount regardless of how\n// many beams are on -- the on beams share the budget.\nvoid addMotes(vec2 uv, inout vec3 col, inout float alpha) {\n    float nActive = uBeam1On + uBeam2On + uBeam3On;  // on-flags are 0/1\n    if (nActive < 0.5) return;                        // no beams -> no motes\n\n    // Motes may spill past the polygon edge by ~softness so the soft fringe is\n    // populated; the (u,v) falloff dims them there.\n    float fuzz = clamp(uBeamSoftness * 2.0, 0.03, 0.35);\n    float slot = 0.0;  // round-robin cursor over the on beams (a wrapped counter, no per-mote mod)\n\n    for (int n = 0; n < MOTE_COUNT; n++) {\n        if (float(n) >= uMoteCount) break;  // runtime-tunable mote count (coherent break)\n        float seed = float(n) * 91.73;\n\n        // Round-robin: this mote goes to the slot-th on beam. Walk the beams,\n        // counting on ones; the slot-th match wins.\n        float picked = 0.0;\n        vec2 tl = vec2(0.0);\n        vec2 tr = vec2(0.0);\n        vec2 bl = vec2(0.0);\n        vec2 br = vec2(0.0);\n        vec3 color = vec3(0.0);\n        if (uBeam1On > 0.5) {\n            if (abs(picked - slot) < 0.5) {\n                tl = uBeam1Poly[0]; tr = uBeam1Poly[1]; bl = uBeam1Poly[2]; br = uBeam1Poly[3];\n                color = uBeam1Color;\n            }\n            picked += 1.0;\n        }\n        if (uBeam2On > 0.5) {\n            if (abs(picked - slot) < 0.5) {\n                tl = uBeam2Poly[0]; tr = uBeam2Poly[1]; bl = uBeam2Poly[2]; br = uBeam2Poly[3];\n                color = uBeam2Color;\n            }\n            picked += 1.0;\n        }\n        if (uBeam3On > 0.5) {\n            if (abs(picked - slot) < 0.5) {\n                tl = uBeam3Poly[0]; tr = uBeam3Poly[1]; bl = uBeam3Poly[2]; br = uBeam3Poly[3];\n                color = uBeam3Color;\n            }\n            picked += 1.0;\n        }\n\n        float depth = hash1(seed + 3.0);\n        float size = mix(MOTE_SIZE_MIN, MOTE_SIZE_MAX, depth);\n        float speed = mix(0.45, 1.35, hash1(seed + 5.0));\n        float t = uTime * uSpeed * speed;\n\n        // (u,v) in beam space; drift = swirl in u, fall in v. fract wraps within\n        // the beam, so a mote that falls out the spread end reappears at the source.\n        vec2 g = hash2(seed);\n        g.x += sin(t * DRIFT_SPEED * 1.7 + seed) * SWIRL_AMOUNT;\n        g.x += sin(t * DRIFT_SPEED * 3.9 + seed * 0.41) * TURBULENCE;\n        g.y += uTime * uSpeed * FALL_SPEED * speed * 6.0;\n        g.y += sin(t * DRIFT_SPEED * 2.4 + seed * 0.37) * SWIRL_AMOUNT * 0.55;\n        g = fract(g);\n\n        // Expand to [-fuzz, 1+fuzz] so motes populate the soft fringe, then map\n        // bilinearly onto the quad.\n        vec2 q = g * (1.0 + 2.0 * fuzz) - fuzz;\n        vec2 pos = mix(mix(tl, tr, q.x), mix(bl, br, q.x), q.y);\n\n        // Cheap soft-edge falloff in (u,v), replacing the per-mote quadMask.\n        float edge =\n            smoothstep(0.0, fuzz, q.x) * smoothstep(0.0, fuzz, 1.0 - q.x) *\n            smoothstep(0.0, fuzz, q.y) * smoothstep(0.0, fuzz, 1.0 - q.y);\n\n        float mote = softMote(uv, pos, size);\n        float core = softMote(uv, pos, size * 0.42);\n        float glow = softMote(uv, pos, size * uGlowSize);\n\n        float shimmer =\n            0.72 + 0.28 * sin(uTime * uSpeed * mix(0.22, 0.95, hash1(seed + 9.0)) + seed);\n        float strength = mix(0.15, 1.0, depth) * shimmer * edge * uMoteAlpha;\n\n        col += color * glow * strength * 0.12;\n        col += color * mote * strength * 0.36;\n        col += vec3(1.0) * core * strength * 0.10;\n\n        alpha += glow * strength * 0.030;\n        alpha += mote * strength * 0.105;\n        alpha += core * strength * 0.110;\n\n        slot += 1.0;\n        if (slot >= nActive) slot = 0.0;  // wrap the round-robin cursor\n    }\n}\n\nvoid main() {\n    // vUv is already 0..1 with bottom-left origin; this is the Shadertoy uv.\n    vec2 uv = vUv;\n\n    vec3 col = vec3(0.0);\n    float alpha = 0.0;\n\n    vec3 beamColor;\n    float litSum;\n    float cover = evalBeams(uv, beamColor, litSum);\n\n    col += beamColor * litSum;       // litSum carries each beam's per-beam alpha\n    alpha += litSum * 0.45;\n\n    // One loop; each mote is round-robined into an on beam and spawned there.\n    addMotes(uv, col, alpha);\n\n    float haze =\n        cover * cover * (0.6 + 0.4 * sin(uv.x * 8.0 + uv.y * 5.0 + uTime * uSpeed * 0.08));\n    col += beamColor * haze * 0.018;\n    alpha += haze * 0.010;\n\n    alpha = clamp(alpha * uOverlayAlpha, 0.0, 1.0);\n    oColor = vec4(col, alpha);\n}\n";
export declare const CORPORATE_BLOBS_FRAG_SRC = "#version 300 es\nprecision highp float;\n\nuniform float uTime;          // seconds, monotonically increasing; range [0, inf)\nuniform vec2 uResolution;     // framebuffer size in pixels; both components > 0\nuniform vec3 uColor;          // overall tint / color grade; [1,1,1] = stock colors\nuniform float uGlobalAlpha;   // overall blob opacity; stock 0.58\nuniform float uScale;         // global blob size multiplier; stock 2.55\nuniform float uEdgePull;      // pushes blobs outward from center; stock 0.32\nuniform float uCenterClear;   // radius around center that repels blobs; stock 0.42\nuniform float uMotionAmount;  // positional drift magnitude; 1.0 = stock, 0 = still\nuniform float uMotionSpeed;   // drift + morph rate; 1.0 = stock, 0 freezes motion\nuniform float uEdgeSoftness;  // blob edge falloff; stock 0.024\n// Per-blob base colors, multiplied by uColor at output. Defaults (the stock\n// brand palette) live in CORPORATE_BLOBS_CONTROLS.\nuniform vec3 uBlobColor1;     // stock: light blue\nuniform vec3 uBlobColor2;     // stock: dark green\nuniform vec3 uBlobColor3;     // stock: yellow\nuniform vec3 uBlobColor4;     // stock: orange\nuniform vec3 uBlobColor5;     // stock: light green\nuniform vec3 uBlobColor6;     // stock: magenta\nuniform vec3 uBlobColor7;     // stock: brown\nuniform vec3 uBlobColor8;     // stock: dark blue\n\nin highp vec2 vUv;\nout vec4 oColor;\n\n// BLOB_COUNT must stay a compile-time constant (GLSL ES loop bound).\n#define BLOB_COUNT            8\n\n// Internal animation constants (not tunable; keep the look coherent).\n#define CENTER_CLEAR_PUSH     0.34\n#define SCALE_PULSE_AMOUNT    0.10\n#define SCALE_PULSE_SPEED     0.42\n#define ROTATION_SWAY_AMOUNT  0.12\n#define ROTATION_SWAY_SPEED   0.11\n#define SHAPE_MORPH_SPEED     1.00\n\nstruct Blob {\n    vec2 pos;\n    float scale;\n    float opacity;\n    float speed;\n    float drift;\n    float rotation;\n    float variant;\n    vec3 color;\n};\n\nBlob getBlob(float i) {\n    if (i < 0.5) return Blob(vec2(-1.18, -0.55), 0.62, 0.48, 0.22, 0.14, 0.10, 0.0, uBlobColor1);\n    if (i < 1.5) return Blob(vec2( 1.12, -0.35), 0.66, 0.40, 0.18, 0.13, 1.00, 1.0, uBlobColor2);\n    if (i < 2.5) return Blob(vec2( 0.95,  0.88), 0.58, 0.44, 0.20, 0.14, 2.20, 2.0, uBlobColor3);\n    if (i < 3.5) return Blob(vec2(-0.98,  0.82), 0.56, 0.38, 0.16, 0.12, 0.70, 3.0, uBlobColor4);\n    if (i < 4.5) return Blob(vec2( 1.28,  0.28), 0.50, 0.34, 0.24, 0.11, 1.80, 4.0, uBlobColor5);\n    if (i < 5.5) return Blob(vec2(-0.25, -1.12), 0.54, 0.36, 0.19, 0.11, 2.60, 5.0, uBlobColor6);\n    if (i < 6.5) return Blob(vec2(-1.30,  0.10), 0.48, 0.30, 0.17, 0.12, 0.40, 6.0, uBlobColor7);\n    return             Blob(vec2( 0.28,  1.18), 0.52, 0.30, 0.14, 0.10, 0.90, 7.0, uBlobColor8);\n}\n\nmat2 rotate2d(float a) {\n    float s = sin(a);\n    float c = cos(a);\n    return mat2(c, -s, s, c);\n}\n\nfloat variantRadius(float angle, float variant, float phase) {\n    float r = 1.0;\n\n    if (variant < 0.5) {\n        r += 0.115 * sin(angle * 2.0 + 0.20 + phase * 0.20);\n        r += 0.075 * sin(angle * 3.0 - 1.10 - phase * 0.13);\n        r += 0.035 * sin(angle * 5.0 + 2.00 + phase * 0.09);\n    } else if (variant < 1.5) {\n        r += 0.090 * sin(angle * 2.0 - 0.80 + phase * 0.18);\n        r += 0.105 * sin(angle * 3.0 + 0.70 - phase * 0.10);\n        r += 0.030 * sin(angle * 6.0 - 1.50 + phase * 0.08);\n    } else if (variant < 2.5) {\n        r += 0.130 * sin(angle * 2.0 + 1.10 + phase * 0.16);\n        r += 0.060 * sin(angle * 4.0 - 0.30 - phase * 0.12);\n        r += 0.045 * sin(angle * 5.0 + 2.80 + phase * 0.07);\n    } else if (variant < 3.5) {\n        r += 0.080 * sin(angle * 2.0 + 2.30 + phase * 0.14);\n        r += 0.120 * sin(angle * 3.0 - 0.40 - phase * 0.11);\n        r += 0.040 * sin(angle * 7.0 + 1.10 + phase * 0.06);\n    } else if (variant < 4.5) {\n        r += 0.035 * sin(angle * 2.0 + 0.10 + phase * 0.12);\n        r += 0.030 * sin(angle * 3.0 + 1.80 - phase * 0.09);\n        r += 0.020 * sin(angle * 5.0 - 0.90 + phase * 0.05);\n    } else if (variant < 5.5) {\n        r += 0.145 * sin(angle * 2.0 - 1.30 + phase * 0.17);\n        r += 0.070 * sin(angle * 3.0 + 2.40 - phase * 0.11);\n        r += 0.035 * sin(angle * 5.0 + 0.20 + phase * 0.08);\n    } else if (variant < 6.5) {\n        r += 0.045 * sin(angle * 2.0 + 1.70 + phase * 0.10);\n        r += 0.035 * sin(angle * 4.0 - 2.10 - phase * 0.08);\n        r += 0.025 * sin(angle * 6.0 + 0.50 + phase * 0.05);\n    } else {\n        r += 0.170 * sin(angle * 2.0 + 2.80 + phase * 0.20);\n        r += 0.090 * sin(angle * 3.0 - 1.90 - phase * 0.15);\n        r += 0.055 * sin(angle * 5.0 + 0.80 + phase * 0.09);\n    }\n\n    return r;\n}\n\nvec2 applyCenterRepulsor(vec2 center) {\n    float d = length(center);\n    vec2 dir = normalize(center + vec2(0.0001, 0.0001));\n\n    center += dir * uEdgePull;\n\n    float centerInfluence = 1.0 - smoothstep(uCenterClear, uCenterClear + 0.35, d);\n    center += dir * centerInfluence * CENTER_CLEAR_PUSH;\n\n    return center;\n}\n\nfloat animatedScale(float baseScale, float blobIndex, float blobSpeed) {\n    float localPhase =\n        uTime * SCALE_PULSE_SPEED * (0.65 + blobSpeed * 1.35) +\n        blobIndex * 2.731;\n\n    float pulseA = sin(localPhase);\n    float pulseB = sin(localPhase * 0.47 + blobIndex * 5.13) * 0.45;\n\n    float scaleMultiplier = 1.0 + (pulseA + pulseB) * SCALE_PULSE_AMOUNT;\n\n    return baseScale * max(0.05, scaleMultiplier);\n}\n\nfloat blobMask(vec2 p, vec2 center, Blob b, float phase, float liveScale) {\n    vec2 q = p - center;\n\n    vec2 squash = vec2(\n        1.0 + 0.14 * sin(b.variant * 1.91),\n        1.0 + 0.14 * cos(b.variant * 2.37)\n    );\n\n    float rotationSway =\n        sin(uTime * ROTATION_SWAY_SPEED * (0.6 + b.speed) + b.variant * 3.0) *\n        ROTATION_SWAY_AMOUNT;\n\n    q = rotate2d(b.rotation + rotationSway) * q;\n    q /= squash;\n\n    float angle = atan(q.y, q.x);\n    float dist = length(q);\n\n    float r = liveScale * uScale * 0.5 * variantRadius(angle, b.variant, phase);\n\n    return 1.0 - smoothstep(r, r + uEdgeSoftness, dist);\n}\n\nvoid main() {\n    vec2 uv = vUv;\n\n    vec2 p = uv * 2.0 - 1.0;\n    p.x *= uResolution.x / uResolution.y;\n\n    vec3 blobCol = vec3(0.0);\n    float blobAlpha = 0.0;\n\n    // Integer-counted loop over a compile-time bound; i is reconstructed as\n    // float(n), so the per-blob lookups and phases match the prototype.\n    for (int n = 0; n < BLOB_COUNT; n++) {\n        float i = float(n);\n        Blob b = getBlob(i);\n\n        float phase =\n            uTime * b.speed * uMotionSpeed * SHAPE_MORPH_SPEED +\n            i * 4.137;\n\n        vec2 center = b.pos;\n\n        center.x += sin(phase * 0.41 + i * 1.70) * b.drift * uMotionAmount;\n        center.x += sin(phase * 0.19 + i * 3.10) * b.drift * uMotionAmount * 0.45;\n        center.y += cos(phase * 0.33 + i * 2.30) * b.drift * uMotionAmount * 0.75;\n        center.y += sin(phase * 0.17 + i * 4.40) * b.drift * uMotionAmount * 0.35;\n\n        center = applyCenterRepulsor(center);\n\n        float liveScale = animatedScale(b.scale, i, b.speed);\n        float mask = blobMask(p, center, b, phase, liveScale);\n\n        float inner = pow(mask, 1.35);\n        float rim = mask * (1.0 - smoothstep(0.45, 1.0, mask));\n\n        vec3 gelColor = b.color * inner + b.color * rim * 0.18;\n        float a = mask * b.opacity * uGlobalAlpha;\n\n        blobCol += gelColor * a * (1.0 - blobAlpha);\n        blobAlpha += a * (1.0 - blobAlpha);\n    }\n\n    // Premultiplied output; tint grades the (premultiplied) color, not alpha.\n    oColor = vec4(blobCol * uColor, blobAlpha);\n}\n";
export declare const DATA_MESH_FRAG_SRC = "#version 300 es\nprecision highp float;\n\nuniform float uTime;        // seconds, monotonically increasing; range [0, inf)\nuniform vec2 uResolution;   // framebuffer size in pixels; both components > 0\nuniform vec3 uBgTop;        // background gradient color at the top of frame\nuniform vec3 uBgBottom;     // background gradient color at the bottom of frame\nuniform vec3 uLineColor;    // mid wireframe-line tint (the trough/body color)\nuniform vec3 uCrestColor;   // crest highlight color (brightest along the peaks)\nuniform vec3 uHazeColor;    // atmospheric haze tint on the far rows\nuniform vec3 uAccentColor;  // the one restrained accent (e.g. enterprise red)\nuniform float uWaveScale;   // wave-field spatial frequency; lower = looser, broader hills\nuniform float uWaveAmp;     // vertical wave displacement amount (near rows)\nuniform float uWaveSpeed;   // animation rate; 0 freezes the surface\nuniform float uGridX;       // column-grid density across the surface; keep loose\nuniform float uHorizon;     // horizon height in uv.y units (rows converge toward it)\nuniform float uFarScale;    // perspective scale of the farthest row, 0.05..0.5 (>0)\nuniform float uSlant;       // diagonal tilt; raises the right side for corner composition\nuniform float uLineWidth;   // wireframe line half-width (smaller = finer, sharper)\nuniform float uNodeMix;     // 0..1 emphasis of glowing intersection nodes (dot reading)\nuniform float uStrutMix;    // 0..1 emphasis of vertical struts (wireframe reading)\nuniform float uGlow;        // overall additive mesh-glow / bloom strength\nuniform float uHaze;        // atmospheric far-haze strength\nuniform float uParticles;   // floating-particle intensity; 0 disables the field\nuniform float uAccent;      // lone accent-mote intensity; 0 disables it\nuniform float uCalm;        // 0..1 eases the additive glow at frame center (face zone)\n\nin highp vec2 vUv;\nout vec4 oColor;\n\n// ROWS / PARTICLES must stay compile-time constants (GLSL ES loop bounds). ROWS is\n// kept modest on purpose (loose mesh); perspective bunching toward the horizon\n// makes it read as far more lines than it costs.\n#define ROWS                18\n#define PARTICLES           10\n#define WAVE_DEPTH_SPAN     4.5   // world-depth the eased row range maps across\n#define COL_SHARP           48.0  // column-stripe sharpness in cell-phase units\n#define Y_NEAR             (-0.62) // nearest row baseline (just below the bottom edge)\n\n// Cheap stable hash for the particle field (highp; the 43758.5453 multiplier\n// bands under mediump, same note as clouds/nebula).\nfloat hash11(float n) {\n  return fract(sin(n * 12.9898) * 43758.5453123);\n}\n\n// The shared surface. x is perspective world-x, z is eased world-depth, t is time.\n// A small sum of sines whose x/z cross terms produce the hills, valleys, and\n// saddles; bounded to roughly [-1.6, 1.6].\nfloat waveField(float x, float z, float t) {\n  float h = 0.0;\n  h += sin(x * 1.00 + z * 0.55 + t) * 0.60;\n  h += sin(x * 0.55 - z * 0.95 - t * 0.70) * 0.45;\n  h += sin((x + z) * 0.45 + t * 0.40 + 1.7) * 0.40; // diagonal ridges -> saddles\n  h += sin(x * 1.70 - z * 0.30 + t * 1.20) * 0.16;  // fine ripple\n  return h;\n}\n\nvoid main() {\n  vec2 fragCoord = vUv * uResolution;\n  vec2 uv = (fragCoord - 0.5 * uResolution) / uResolution.y; // centered, aspect-correct\n\n  // Background: smooth vertical gradient, no texture. g = 0 bottom .. 1 top.\n  float g = clamp(uv.y + 0.5, 0.0, 1.0);\n  vec3 col = mix(uBgBottom, uBgTop, g);\n\n  // Ease additive glow near the frame center (the subject's face sits there).\n  float calm = 1.0 - uCalm * (1.0 - smoothstep(0.18, 0.62, length(uv)));\n\n  float t = uTime * uWaveSpeed;\n  float horizon = clamp(uHorizon, -0.2, 0.45);\n\n  // Line-glow widths from the half-width. The core line keeps the one exp() (its\n  // sharp gaussian is the wireframe signature); the bloom halo and the vertical\n  // strut use rational falloffs (1/(1+k\u00B7dy^2)) instead of more exp() calls, which\n  // are ~8x-weighted transcendentals on the hot per-row path. The node reuses the\n  // core exp directly. Net: 2 exp/row (core + column), down from 5.\n  float coreSharp = 1.0 / max(uLineWidth * uLineWidth, 1e-5);\n  float haloK = coreSharp * 0.14;  // rational-bloom width (matches the old halo half-width)\n  float strutK = coreSharp * 0.14; // rational vertical-bridge width\n\n  vec3 mesh = vec3(0.0);\n  vec3 haze = vec3(0.0);\n\n  for (int i = 0; i < ROWS; i++) {\n    float rowT = float(i) / float(ROWS - 1);     // 0 near .. 1 far\n    float om = 1.0 - rowT;\n    float f = 1.0 - om * om;                      // eased depth: rows bunch toward horizon\n    float persp = mix(1.0, uFarScale, f);\n    persp = max(persp, uFarScale);                // guard the divide (uFarScale > 0)\n\n    // Row baseline in screen-y, with a diagonal tilt for corner composition.\n    float baseY = mix(Y_NEAR, horizon, f) + uv.x * uSlant * persp;\n\n    // Early-out: skip the sines for any row that cannot reach this pixel. Margin\n    // covers the max wave displacement plus the strut's vertical bridge.\n    float reach = persp * uWaveAmp * 1.7 + uLineWidth * 3.0 + 0.06;\n    if (abs(uv.y - baseY) > reach) continue;\n\n    float worldX = uv.x / persp;\n    float h = waveField(worldX * uWaveScale, f * WAVE_DEPTH_SPAN, t);\n    float surfY = baseY + persp * uWaveAmp * h;\n    float dy = uv.y - surfY;\n\n    // Crest factor: peaks of the field glow white, troughs stay the line tint.\n    float crest = smoothstep(0.2, 1.4, h);\n\n    // Horizontal ribbon: sharp gaussian core (the line) + rational bloom halo.\n    float dy2 = dy * dy;\n    float core = exp(-dy2 * coreSharp);\n    float ribbon = core + 0.22 / (1.0 + dy2 * haloK);\n\n    // Column grid: one bright stripe per cell of worldX. cph = 0 at the stripe.\n    float cph = fract(worldX * uGridX) - 0.5;\n    float colLine = exp(-cph * cph * COL_SHARP);\n\n    // Vertical strut (rational falloff in y so it bridges toward neighbors, gated\n    // by the column) and the intersection node (core line x column -> a glowing\n    // dot; reuses the core exp, no extra transcendental).\n    float strut = colLine / (1.0 + dy2 * strutK);\n    float node = core * colLine;\n\n    // Atmospheric fade: far rows dim and tint toward the haze color.\n    float fade = om * om;                          // 1 near .. 0 far\n    float lit = ribbon + uStrutMix * strut + uNodeMix * node * 2.0;\n    vec3 lineCol = mix(uLineColor, uCrestColor, crest);\n\n    // Crest-dominant brightness: troughs stay dim, peaks carry the illumination.\n    mesh += lineCol * lit * fade * (0.35 + 1.0 * crest);\n    haze += uHazeColor * ribbon * (1.0 - fade) * crest;\n  }\n\n  col += mesh * uGlow * calm;\n  col += haze * uHaze * calm;\n\n  // Sparse floating particles; index 0 is the lone accent mote (independent of\n  // uParticles so an accent can show with the particle field off).\n  if (uParticles > 0.0 || uAccent > 0.0) {\n    vec3 motes = vec3(0.0);\n    for (int p = 0; p < PARTICLES; p++) {\n      float fp = float(p);\n      vec2 seed = vec2(hash11(fp * 1.7 + 0.3), hash11(fp * 3.1 + 1.9));\n      vec2 ppos = (seed * 2.0 - 1.0) * vec2(0.92, 0.46);\n      ppos.x += sin(uTime * 0.07 + fp * 2.3) * 0.03;\n      ppos.y += cos(uTime * 0.05 + fp * 1.7) * 0.03;\n      float twinkle = 0.5 + 0.5 * sin(uTime * (0.6 + hash11(fp * 5.0)) + fp * 4.0);\n      float pd = length(uv - ppos);\n      float glint = exp(-pd * pd * 2300.0) * twinkle;\n      vec3 pcol = (p == 0) ? uAccentColor * uAccent : uCrestColor * uParticles;\n      motes += pcol * glint;\n    }\n    col += motes * calm;\n  }\n\n  // Soft highlight rolloff: fold the additive foreground pile-up into clean white\n  // crests instead of a clipped slab; leaves the dark gradient essentially intact.\n  col = vec3(1.0) - exp(-col);\n\n  oColor = vec4(col, 1.0);\n}\n";
export declare const SHADER_SOURCES: Readonly<Record<string, string>>;
//# sourceMappingURL=shaders.generated.d.ts.map