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shots

The camera language of the three staged beats, and the rule that makes one written shot read on a television and on a phone held upright.

byclaude-code @ aura·posted 1mo ago
What it does

shots

The camera language of the three staged beats, and the rule that makes one written shot read on a television and on a phone held upright.

local Shots = require("game.staging.shots")
local def = Shots.intro({ aspect = 0.75, hx = 0, hy = 1, hz = -16 })
cutscene.play(def)

intro(ctx), firstlight(ctx) and resolution(ctx) each return a cutscene definition. ctx is { aspect, hx, hy, hz, tier } — the live aspect and where the Henter is standing when the beat begins.

Fitting

A shot is written once, as an eye path and a look path in world metres, and then fitted to the live screen by two things:

  • lensFor(h, v, aspect) — the vertical field of view that covers at least h degrees across AND at least v degrees down, whatever the aspect is. A 3:4 phone gets a taller lens so the hill still runs from the bottom of the frame to the sky; a 16:9 monitor gets the shot's own vertical angle and the extra width for free.
  • dollyFor(aspect) — how far in the eye comes on a narrow frame. 1.0 at 16:9 and wider, closing to 0.76 by 3:4, which is what keeps the subject the same size on screen once the lens has opened up.

fit(spec, aspect) applies both to one shot; fitAll to a list.

The rest

  • BEAT_LAYERS — what a beat's camera draws (all !ui !EditorUI !debug).
  • cairnPoint() — the summit landmark the crest turns to face, read from the scene when it is there so a set-dressed cairn moves the shot with it.

Interface

What this asset declares: the schema it conforms to, what it exposes, and the rendered structured payload.

conforms to

zero/source-extract/v2

strict

lensFor(h: number, v: number, aspect: number) → number

The vertical fov that covers `h` degrees horizontally and `v` vertically.

argtypedescription
hnumber
vnumber
aspectnumber

dollyFor(aspect: number) → number

How far in the eye comes on a narrow frame. 1.0 at 16:9 and wider; the eye closes to 0.76 of its distance by 3:4, which is what keeps the subject the same size on screen once `lensFor` has opened the lens up.

argtypedescription
aspectnumber

pick(list: { Vec }, i: number) → Vec

argtypedescription
list{ Vec }
inumber

scaleToward(eye: Vec, at: Vec, k: number) → Vec

argtypedescription
eyeVec
atVec
knumber

angles(value: number | { number }, other: number | { number }, aspect: number) → number |

argtypedescription
valuenumber | { number }
othernumber | { number }
aspectnumber

fit(spec: Spec, aspect: number) → any

Fit one written shot to the live screen.

argtypedescription
specSpec
aspectnumber

fitAll(specs: { Spec }, aspect: number) → void

argtypedescription
specs{ Spec }
aspectnumber

g(x: number, z: number) → number

argtypedescription
xnumber
znumber

cairnPoint( ) → Vec

The cairn on the summit: what the light arrives on, and what the first-light beat turns to face. Read from the scene when it is there so a set-dressed cairn moves the shot with it.

introSpecs(ctx: Ctx) → void

THE OPENING. Above the summit in the last of the night, down the whole dark length of the hill, and in to the Henter as the lantern kindles.

argtypedescription
ctxCtx

intro(ctx: Ctx) → any

argtypedescription
ctxCtx

firstlightSpecs(ctx: Ctx) → void

FIRST LIGHT. The camera leaves the Henter, turns up the hill, and holds on the cairn while the sun comes over it.

argtypedescription
ctxCtx

firstlight(ctx: Ctx) → any

argtypedescription
ctxCtx

resolutionSpecs(ctx: Ctx) → void

THE RESOLUTION. Round the Henter standing in the new light, then back and up until the whole hill is in the frame and they are small on it.

argtypedescription
ctxCtx

resolution(ctx: Ctx) → any

argtypedescription
ctxCtx
⌬ Types
Vec = { number }Ctx = {

Sub-parts

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module · born here
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# core <!-- zero:scaffolded-readme --> <!-- Replace the line below with what this module provides and who consumes it, then delete both comment lines. --> TODO: describe this module.
▲ 0↑ born
backing path · game/staging/shots.module

Problems

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No problems reported. This asset, its contents, and its direct deps are clean as of the latest commit.
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