Tutorial: La fuerza effect
¡Gracias por entrar! Lo prometido: Acá está el prompt que usé para crear un efecto VFX de la trompeta inspirado en la “fuerza” de Star Wars, usando herramientas de inteligencia artificial para simular la sensación de atraer un objeto a distancia.
Usa el modelo Seedance 2.5
Mete la foto de tu personaje + la foto del objeto
Usa tu prompt para generar el video
(Genera videos en 480p para tus primeros intentos)
SCENE CONTEXT Night interior, a wide living room lit blue. A gold brass trumpet stands upright on a round polished wooden table at frame right. Six metres of open floor away, at frame left, a man stands with his arm raised toward it. The trumpet tears off the table and flies right to left across those six metres into his raised hand, drawn to it the way steel is drawn to a magnet. One continuous 8-second take.
ACTIVE REFERENCES @t2 — first frame. Gold lacquered Bb trumpet, three valves with dark pearl buttons, mouthpiece seated, upright on a round dark-wood table, blue-lit backdrop behind it. The trumpet is 100% the instrument in the reference: same proportions, same brass tone, same wear on the bell. @e1 — final frame. Man in his mid-thirties, dark hair, round black-framed glasses, washed light-grey denim jacket over a black tee, olive-khaki joggers, white high-top sneakers. Standing full-figure in the blue-lit living room, his raised arm on the camera-right side of the frame holding the trumpet by its valve casing, bell angled down-forward, his other arm loose at his side, broad grin. 100% matches the reference.
LOCATION MAP Foreground at frame right: the round polished wooden table — trumpet upright at its center, a stack of hardcover books, a small terracotta cactus pot, a cine lens standing on its mount, two small collectible figures behind, a spiky spider plant fanning out behind the trumpet. Midground: six metres of open carpeted floor running from the table leftward across the room to where the man stands, an upholstered armchair and a low side table along the way, large leafy plants. Background: deep blue painted wall, framed artwork, a warm pendant lamp hanging from the pale ceiling. Camera starts low and close on the table at frame right and travels leftward across those six metres along the floor axis. Cold blue wash comes from behind and camera-left; a warm practical glows from the back of the room.
FIRST FRAME / BLOCKING Frame one is exactly @t2: the upright trumpet centered in the vertical frame on the wooden table, brass catching a cold blue rim and a warm spill along its bell, spider plant blurred behind it, the room falling into blue depth. The man is outside the frame to the left, six metres away, and is revealed as the camera travels. Composition keeps the trumpet on the center vertical axis in every beat of the shot; the man enters frame left and settles into the left two-thirds by the final frame, framed from a low angle so he reads tall against the room.
FORMAT MODE One continuous shot, the camera does not cut on its own. The speed changes happen as time ramps inside the take, not as cuts, and the camera holds the trumpet in frame straight through each ramp. Timed beats: 0.0s to 0.5s — real time, camera locked off 0.5s to 0.9s — real time, launch and camera snap into motion 0.9s to 1.2s — time ramps down into 480 fps super slow motion 1.2s to 5.9s — 480 fps super slow motion, FPV approach across the room 5.9s to 6.2s — time ramps back up to real time 6.2s to 8.0s — real time, arrival and catch
OPTICS 0.0s to 0.9s — medium shot, 47° FOV, neutral human perspective, rectilinear, clean prime-lens rendering, no drift mid-segment. 1.2s to 5.9s — the frame closes from medium-close to extreme close-up on the flying trumpet, 84° wide FOV held right up against the instrument so the brass fills the frame and the six metres of room stretch away into deep blue distance, strong wide-angle FPV intimacy, shallow focus riding the valve casing, no drift mid-segment. 6.2s to 8.0s — wide full-figure shot from a low angle, 63° FOV, observational, no drift mid-segment.
CAMERA Stabilized gimbal, operator anchored on the shadow side of the room with the warm practical kept behind the subject as a rim. Camera height starts at 80 cm, table level. At 0.5s the camera whips out of its lock and trucks leftward at 45 km/h, parallel to the trumpet's path, matching its speed. Through the slow-motion stretch the camera flies like an FPV drone in one bold unbroken approach across the six metres: it drops in from high and behind the instrument, banks hard so the room tilts steeply through the frame, accelerates down the line of flight and closes from four metres to a few centimetres, sweeping past the flare of the bell, pulling up along the leadpipe and hanging inches off the valve casing with the pipes crossing close across the lens, then breaking away and opening out. At 6.2s the camera resumes the leftward truck, drops to 100 cm and tilts slightly up, settling into the low-angle full-figure framing of @e1. Wide tonal latitude, highlights rolling off hard and bright on the brass, deep blues holding detail in shadow.
ACTION 0.0s to 0.5s — the trumpet stands dead still on the table. The frame is locked. The only motion is one spider-plant leaf drifting and a tremor building in the brass, the instrument rattling against the wood. 0.5s — the pull takes hold and the trumpet tips off its bell, breaks contact with the wood and is ripped away toward frame left, reaching 110 km/h within the first metre. Books tumble off the stack, loose pages fly up, the cactus pot topples, the spider plant whips backward and a burst of dust blows off the tabletop. 0.5s to 0.9s — the camera whips out of its lock and trucks left after it, the blue room tearing into motion blur behind. 1.2s to 5.9s — super slow motion. The trumpet behaves exactly like a steel object taken by a strong magnet: it crosses the six metres on one clean unbroken line toward the hand, gaining speed steadily as the distance closes, holding its height around hand level with a slight sag mid-room that the pull draws back up, never wandering, stalling or changing direction. It lies level, roughly parallel to the floor, and pinwheels flat around a vertical axis through its centre of mass, turning like a propeller blade seen from above, bell swinging out to one side and the mouthpiece to the other, staying level with the floor through every turn and completing about four full flat turns between the table and the hand. Dust and fibres hang suspended in the air and are shoved aside as it passes; the pendant lamp swings on its cord in its wake. The camera dives in FPV-style along the flight line, banking and rolling as it accelerates toward the instrument: the flare of the bell sweeps past, the curve of the leadpipe runs under the lens, the three valve buttons fill the frame, reflections ripping across the lacquer, and then the camera breaks away and the frame opens back out. 5.9s to 6.2s — speed ramps back to real time, the trumpet accelerating hard over the last metre toward frame left, its flat rotation easing and the valve casing swinging up into catching position. 6.2s to 8.0s — the man is revealed at frame left, his raised arm on the camera-right side of the frame, palm open, fingers spread and tracking the incoming trumpet. His hand gives with the impact the way a hand gives when it takes something moving fast: the valve casing cracks into the palm, the fingers wrap in sequence, the arm sweeps back and down twenty centimetres along the trumpet's own direction to bleed off the speed, then checks, steadies and drives the instrument back up, the bell swinging and settling. He ends in the exact pose of @e1: trumpet held aloft, bell angled down-forward, other arm loose at his side, feet planted on the carpet.
PERFORMANCE Before the launch his hand is locked out with tension visible in the tendons, jaw set, eyes fixed on the trumpet. On the catch his shoulder rolls with the mass, his stance drops and his whole body gives before it steadies, knuckles whitening across the grip for an instant. Then the tension breaks: eyes widen, head snaps up to the instrument, cheeks lift into a broad open-mouthed grin of achievement, chest rising with one hard breath. Pore-level skin realism, capillary flush across the cheeks, living eyes with sharp blue catch-lights from the room wash, faint reflections in the lenses of his glasses.
PHYSICS The trumpet has real brass mass, roughly 1.2 kilograms, and moves like metal answering a magnet: it tips and hesitates for a fraction of a second before it breaks free of the table, then accelerates smoothly and continuously along one line across the six metres, fastest at the moment it arrives. Its flat pinwheel rotation carries real gyroscopic momentum around the vertical axis, easing rather than stopping abruptly, with the bell swinging wide because the mass sits behind the valve block. Gravity stays in play under the pull: the flight line sags slightly mid-room and is lifted again as the attraction strengthens. Contact shadow under the trumpet on the tabletop releases as it leaves. Paper, plant leaves and carpet fibres move in its slipstream. Dust motes drift and swirl in the slow-motion air. On the catch the momentum carries into his hand and arm before the muscles absorb it, the jacket sleeve snapping once along the forearm and the bell rocking a few degrees before it settles.
LIGHTING Cold blue wash at 8500K floods the back wall and rakes across the room from behind and camera-left, laying a hard cyan rim along the top edge of the brass that swings around the body with every flat turn. A warm tungsten practical at 3200K glows from the back of the room, throwing an amber spill along the bell and the wooden tabletop, and the pendant lamp drops a warm pool onto the carpet where the man stands, laying his hard shadow across the floor. Exposure keeps the brass two stops above the room so the trumpet burns as the brightest object in every frame. Light haze at 30% density in the air, visible at 6 metres depth, so the blue wash reads as hard beams across the whole run of the flight.
COLOR GRADE Lacquered gold brass carrying both the cold rim and the warm spill as the hero material; deep ultramarine painted wall and blue light haze as the field the trumpet cuts through; warm walnut tabletop and amber lamp pool as the only warmth, anchoring floor and table. High saturated contrast, blues held deep and clean, brass highlights hot and glowing, flaring each time a turn catches the key.
WARDROBE Washed light-grey denim jacket, soft and worn, over a plain black cotton tee; olive-khaki cotton joggers cuffed at the ankle; white leather high-top sneakers, lightly scuffed.
AUDIO Low sub-rumble building and tightening under the static opening; a scrape of brass on wood and a hard air-tearing crack as the trumpet is ripped off the table at 0.5s; in slow motion the whoosh stretches into a deep low-passed drone with a pulse on every flat turn, brass overtones ringing inside the instrument and a rush of moving air; a snap back to full-band real time; a solid slap of metal into palm, a short brass rattle as it settles, and one breath of laughter.
STYLE Photoreal live-action cinematography, 8K detail, vertical 9:16 frame, rectilinear lenses, fine natural film grain, high contrast, deep clean blacks, natural motion blur scaled to each speed mode, heroic low-angle staging on the final framing.
OUTPUT SETTINGS 8 seconds total, vertical 9:16, real time from 0.0s to 0.9s, 480 fps super slow motion from 1.2s to 5.9s, real time from 6.2s to 8.0s, with smooth speed ramps at the two transition points inside one unbroken take.
POSITIVE LOCKS One continuous take, the camera does not cut on its own; the speed changes read as time ramps inside the shot and the camera keeps the trumpet in frame through both ramps. The trumpet launches at 0.5s and crosses six metres of open room on one clean line, speed building all the way to the hand, height held around hand level. The trumpet stays level with the floor and pinwheels flat around a vertical axis through its centre of mass, bell swinging out to the side, about four full turns across the flight, easing into grip position at the end. The FPV approach is one continuous flight of the camera toward the trumpet, the instrument staying in frame as the distance closes. The trumpet travels right to left in every beat and stays gold lacquered brass with three valves, dark pearl buttons and its mouthpiece seated, identical to @t2 from first frame to last. The trumpet stays whole, rigid and intact through the spin; the camera passes close beside the valve tubing and the pipes hold their true shape. The man enters from frame left and catches the trumpet with his raised hand on the camera-right side of the frame; his other arm stays loose at his side. The catch carries real speed into the hand: the arm gives with the momentum, then steadies and holds the trumpet firmly. Frame one is @t2 and the final frame is @e1: same room, same deep blue wall, same blue and warm lamp lighting, same wardrobe, same glasses. The trumpet remains the brightest object in frame throughout. The grin arrives only after the catch lands.
