bilal

Gemini 4 Carbon High /Antigravity Build a deterministic, seamless-looping 3-minute (180.000 s, 10,800 frames at 1920x1080, 60 fps) solo-violin concert film titled "NOCTURNE IN D MINOR // SOLO VIOLIN" set in a moonlit Parisian Haussmannian salon, using headless Blender (5.2 LTS+ with Cycles GPU baking) for 3D character, cloth, soft-body, luthiery, and architectural assets, Three.js (latest release, WebGL2) + Vite for real-time rendering, Node.js DSP for 24-bit/48 kHz acoustic audio, and Playwright + FFmpeg for parallel 1080p60 master encoding. 1. Seamless Stateless Determinism & Live/Master Parity - Maintain 1:1 parity between the live 60 fps interactive browser preview (`npm run dev`) and the offline 1080p60 MP4 render. - Every visual channel, skeletal pose, physics state, particle position, and stereo audio sample must close analytically across the frame 10799 -> frame 0 loop boundary (`|state(0) - state(10800)| < 1e-6`, `< 0.05 mm` scene-graph delta) without a cross-dissolve. - Expose `O(1)` stateless frame seeking (`__renderFrame(frameIndex)`, `seek(t)`) with zero reliance on prior frame history: rewinding from mid-film to an earlier frame must produce the exact same RGBA pixel hash. Pre-integrate all periodic, forced, damped second-order ODEs across the full 10,800-frame ring at boot, rather than using stateful frame stepping or gate-windowed lookup tables. 2. Musical Score & Click-Free Single-Voice Acoustic Violin Audio - Compose a 180.000 s solo violin score in D minor across G3, D4, A4, and E5: open with an intimate Nocturne Prelude (sul G and sul D cantilena, slurs, subtle portamento, and periodic human rubato), develop into J.S. Bach's Chaconne in D minor (BWV 1004) with rolled 3- and 4-string chords, high-position cantabile (1st to 7th position), and G-D-A-E bariolage arpeggios, and resolve into a quiet senza-vibrato natural-harmonics (flageolet) coda that loops seamlessly back into frame 0. - Synthesise `output/perf02_audio.wav` (48 kHz, 24-bit stereo PCM, ~ -18.7 LUFS integrated, <= -1.5 dBTP true peak) strictly from real CC0 studio-recorded solo violin multi-samples (`VSCO-2-CE`), never procedural sawtooth or sine-wave synthesis. - Calibrate sample pitch with YIN autocorrelation and render through a strict single-voice dual-head equal-power crossfader (18-45 ms legato slurs, 8 ms bow-change fades, dual-head loop crossfades on long sustains) so two recordings never overlap into chorus beating and mid-note loop boundaries never click. Use real bowed upper-register acoustic harmonic recordings in the coda (zero synthetic sine partials or pseudorandom breath hiss). - Couple the acoustic RMS envelope and 2.5-4.5 kHz bridge-hill spectral tilt directly to the 3D bow's instantaneous contact force, bow velocity, and sounding-point distance ahead of the bridge (`r >= 0.70`), then convolve circularly across the 180 s loop seam with a real stereo chamber salon impulse response. 3. Anatomical Soloist, 10-Digit Contact IK, Soft-Tissue Compliance & Gravity Couture (Blender + Three.js) - Build the female soloist GLB in headless Blender from CC0 MakeHuman 2-manifold quad anatomy (never procedural lathe/metaball body parts) bound to a continuous `SkinnedMesh` skeleton (`0.000 mm` neck and wrist seam gaps), with 2K/4K PBR dermal maps, Cycles-baked 4K dermal AO/SSS and hair-flow maps (`flipY = false` on glTF UVs), wrapped RGB dermal subsurface scattering, two-shell refractive cornea + iris eyeballs with wet lower-lid tear meniscus, 3D eyebrows and eyelashes, and 10 curved translucent keratin fingernails recessed into refined distal phalanx nail beds. - Groom a low recital chignon and smooth `SUBSURF` cranial scalp cap with multi-pass soft feathered hairline strand cards (avoid hard `alphaTest` pixel stair-stepping and grazing cranial rim blowouts). Run a headless Blender `SOFT_BODY` simulation pass on the chignon (`ChignonPin` goal falloff) plus temple-wisp sway shape keys, driven at runtime by head angular acceleration (~50 ms phase lag). - Drape a floor-length matte bias-cut navy silk-crepe column gown in Blender (`clearcoat = 0`, `roughness ~ 0.58` with Energy-Preserving Oren-Nayar rough diffuse; avoid glossy plastic satin spikes, inter-thigh shrink-wrapping, or synthetic vertex sine-wave shaders). Pin the hem onto the `y = 0` parquet floor via a world-grounded `FloorAnchor` bone with ~100+ sculpted lower flutes and drive 2D pendulum skirt sway from pelvic acceleration (~100 ms phase lag). - Solve closed-loop 10-digit deformed-surface contact IK: keep the right-hand dorsal metacarpal arch elevated well clear (`>= 15 mm`) above the Pernambuco stick and rear adjuster screw so the bow never pokes through the back of the right hand, while seating all five right-hand finger pads onto the stick, ebony frog cheek, Parisian eye, and ferrule (`<= 1.2 mm` gap) with natural Franco-Belgian wrist souplesse and relaxed high-string elbow drop. Seat the left thumb continuously along the maple neck (`<= 1.5 mm` gap) with arched 3-joint (MCP/PIP/DIP) Galamian string stopping. - Drive soft-tissue fingertip pad flattening, submandibular jaw-to-chinrest compression, and musical phrasing blink/brow morphs, lock cervical bone lengths (`0.00 mm` neck stretching), and couple bow-reversal acceleration into subtle torso and head counter-sway via a periodic damped reaction-torque ODE. 4. Unified 3D 1715 Cremonese Violin, Rigged Tourte Bow & Shutter-Integrated String Physics - Model and export every violin and bow part in headless Blender (`0` Three.js procedural extrusions): a ~3.15 mm arched Alpine spruce belly with `EXACT` Boolean-cut open f-holes (`fill_mode = 'BOTH'` on 2D curves so f-holes cut cleanly open) and fluted lower wings, a ~3.65x tapered Bosnian maple bridge (4.2 mm feet to 1.15 mm crown with heart/kidney cutouts and E-string parchment slip), recessed internal spruce soundpost and bass bar clamped strictly below the inner belly arch, flamed maple back and C-bout ribs, 2.69-turn volute scroll, 4 ebony pegs spanning both pegbox cheeks, 270 mm ebony fingerboard, Guarneri chinrest, tailpiece with seated gold E5 Hill fine tuner, octagonal Pernambuco Tourte bow stick, abalone-inlaid ebony frog, nickel-silver ferrule, leather grip, wire winding, ivory tip plate, and satin antique-silver adjuster screw (toned down so highlights never bloom). - Bake 4K golden-amber-to-oxblood sunburst oil varnish and spruce reed-grain maps in Blender Cycles with thin-film iridescence and curly-maple rib chatoyancy. - In Three.js, solve exact tangent bow kinematics in the sounding-point lane (19-34 mm ahead of the bridge) with safe C-bout belly clearance (`>= 11 mm`). Depress stopped strings onto the fingerboard, deform a matte unbleached horsehair ribbon (`emissive = 0`, zero neon glow, `0.000 mm` string slicing) into a 2-segment catenary under bow pressure paired with Euler-Bernoulli Pernambuco stick counter-flex, integrate the speaking string's Helmholtz triangular kink across a 180-degree (8.33 ms) cinema shutter into a translucent optical spindle envelope (never point-sample `sin(2*pi*f*t)` at 60 fps, which freezes 660 Hz E5 via Nyquist aliasing), and advect ~140 localized rosin dust motes near the bridge under analytical Stokes viscous drag without drifting over the face. 5. Parisian Haussmannian Salon, Courtyard, Cinematography & Film Post-Processing - Build the salon and exterior courtyard GLB in headless Blender (`0` primitive box placeholders) with 12 photogrammetry-scanned CC0 Poly Haven antique props (commode, console, armchair, ottoman, mantel clock, brassware, music stand, gilded picture frame with a nocturnal Seine oil painting, and a pleated-silk boudoir lamp positioned cleanly clear of the soloist's silhouette), rich walnut herringbone parquet, a carved Louis XVI fireplace, and three arched French casement window bays opening onto a 9 m Lutetian-limestone Mansard courtyard with wrought-iron Juliette balconies, winter branches, zinc dormers, and a crisp >= 1024x1024 lunar disc. - Hang rod-pinned 4-panel sheer silk curtains across all three arched bays (`0.000 mm` top-rod pin error) swaying gently in a periodic modal night breeze, using alpha translucency (`transmission = 0`) so custom post-processing never samples black transmission buffers. - Bake 4K 6-bounce Cycles GI salon lightmaps onto `uv1` plus a 2048x1024 room HDRI and `LightProbeGridWebGL` volume, balancing cool sapphire moonlight shafts against warm amber practicals for Rembrandt chiaroscuro portrait modeling and wet corneal catchlights. - Cut an 8-shot multi-focal-length concert-film EDL (35 mm architectural wides, 50 mm medium profiles, 85 mm chiaroscuro portraits, 100 mm bow-grip/bariolage close-ups, and 135 mm bridge/f-hole macros) with a subtle title card from 00:02 to 00:08, custom alpha-tested depth GTAO, 64-tap Vogel aperture bokeh with cat's-eye vignette, dual-radius 35 mm Vision3 500T warm halation, and TPDF-dithered tone mapping. 6. Parallel 1080p60 Master Render, Automated Physics Gates & Blind Visual Critique - Stream raw WebGL2 frames across parallel headless Chromium ANGLE shards into FFmpeg (`-c:v libx264 -crf 14 -aq-mode 3 -aq-strength 1.10 -pix_fmt yuv420p -r 60 -c:a aac -b:a 320k -movflags +faststart`) to produce the 10,800-frame master MP4 and a `< 10 MB` animated WebP highlight preview. - Write an automated verification suite (self-testing first that an empty metrics object fails every gate) checking loop seam continuity, seek determinism, 10-digit contact gaps (`<= 1.2 mm`), dorsal hand clearance, zero neck stretch, open f-holes, bridge taper, zero hair emissive bloom, 180-degree shutter E5 Helmholtz envelope, periodic cloth/hair phase lags, shot distinctness across cuts, and audio loudness/click-free periodicity/bow-power sync. - Decode full-resolution stills across all 8 camera setups plus opening and coda video excerpts from the encoded H.264 MP4, inspect them visually as a viewer with zero source access for clipping, floating parts, skin impaling, hairline faceting, or dark-tone banding, and fix any visual or acoustic defect before accepting.