SL-86 / World Effects

The Window’s Weather

A whole storm told by what one pane of glass does.

The brief

A storm transmitted entirely through a window — runnels that hesitate then race, gusts flexing the pane’s reflection, light dimming in waves. No cutaway outside.

Why it's hard

The model widens or cuts outside to show the weather directly, or lays a generic uniform rain-on-glass texture that never flexes or changes light level.

The craft key

Constraint forces specificity. Three separate physical channels — runnels, pane flex, light waves — staged deliberately.

Skill Tests

04 / 28

Animal anatomy Human anatomy Biomechanics Physics & mass Water simulation Crowd dynamics Multi-shot continuity Face consistency Camera movement Unbroken take Motivated lighting Cutting rhythm Hands & fingers Hair & fabric Reflection & refraction Scale & depth Impossible geometry Period accuracy Music sync Aging & time Natural asynchrony Eye-lines & gaze Particle behaviour Motivated light source Consequence & persistence Time manipulation Graphic-layer discipline Colour as storytelling

Every challenge is scored against the same vocabulary, so you can compare them. Lit cells are what this one tests.

Starter prompt

Built with the CEMI MediaMax system for Google Veo 3.1. Prompts stay in English — that is the language these models take instructions in. Treat it as a starting point and start varying it.

the-windows-weather

Locked-off medium shot on a heavy tripod, 50mm at f/2.0, held on an old single-glazed sash window in a dim room during a mid-afternoon storm. The camera sees only the window and a dusty sill holding a dead geranium and a stack of unopened post; the brittle leaves are the dirty foreground. The storm is told entirely by the pane — rain gathering into runnels that hesitate, merge, then suddenly race; a gust flexing the glass so the reflected room bows and snaps back; the flat grey light dropping in slow waves as cloud crosses, then lifting. Cracked putty, bubbled paint, a hairline chip in the corner. No cutaway outside, no visible sky. Lynne Ramsay's oppressive interior stillness. Focus stays on the glass so the world beyond stays abstract. Faint chromatic fringing at the frame edges.

Derived from the CEMI MediaMax production canon — cemi.media

Style reference: Lynne Ramsay

Why it's built this way

Constraint is the lesson: by refusing to show the weather directly, every storm beat has to be transmitted through one material object, which forces specificity. Runnel behaviour, pane flex and light waves are three distinct physical channels, so pick and stage them rather than smearing generic rain. The locked-off frame lets the eye read the small changes that a moving camera would bury.

Watch for

The model cutting outside or widening to show the storm, or laying a generic uniform rain-on-glass texture that never flexes, races, or changes light level.

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