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Runway Gen-4: Scene Composition Made Simple

A short, focused walkthrough of composing a scene in Runway Gen-4 from multiple reference elements rather than trying to describe an entire frame in one text prompt. Covers layering a subject, environment, and lighting reference into a single composed shot.

Cantpickthat · 6 min · Intermediate · AIF · AI Filmmaking · 2025

What you take away

Can compose a shot in Runway Gen-4 from separate subject, environment, and lighting references.

Watch it

Filed under

Science fiction to study

Books for the craft underneath

To Infinity and Beyond! — Karen Paik
The Art and Science of Digital Compositing — Ron Brinkmann
Timing for Animation — Harold Whitaker, John Halas
The Visual Effects Arsenal — Bill Byrne
The VES Handbook of Visual Effects — Jeffrey A. Okun, Susan Zwerman
Cartoon Animation — Preston Blair

Run the models yourself

Western Digital WD_BLACK SN850X 4TB — The other one, usually cheaper
SanDisk Professional G-DRIVE 8TB — Desktop archive drive built for footage
Corsair 128GB DDR5 kit — For Unreal, caches and twelve open applications
Intel Core Ultra 9 285K — Quick Sync, which some codecs still love
AMD Ryzen 9 9950X — 16 cores — the sweet spot for a cutting room
NVIDIA GeForce RTX 5080 — The sensible half-price render card

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