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• PoolOptionsinterfacecoreHow a pool builds, resets and bounds the instances it hands out.
• TAUconstcoreFull turn in radians.
• DisposertypecoreUndo one thing.
• EasingtypecoreA curve from normalized time to normalized progress.
• expectFinitefunctioncoreReject NaN and both infinities.
• RngSnapshotinterfacecoreA serialisable capture of an Rng's full internal state.
• EPSILONconstcoreThe kit's default comparison tolerance: 1e-9.
• EasingNametypecoreThe name of a built-in curve.
• COMPACT_SUFFIXESconstcoreThe magnitude ladder: ['', 'K', 'M', 'B', 'T', 'Qa', 'Qi', 'Sx', 'Sp', 'Oc'].
• EmitterclasscoreA typed synchronous emitter.
• clampfunctioncoreConstrain value to [min, max].
• expectIntfunctioncoreReject anything that is not a whole number, including NaN and the infinities.
• ScopeinterfacecoreA teardown tree.
• noise2functioncore2D gradient noise in [-1, 1].
• RngclasscoreOne deterministic random stream (mulberry32).
• linearconstcoreIdentity.
• mix32functioncoremurmurhash3's 32-bit finaliser (fmix32) — an avalanche bijection over uint32.
• clamp01functioncoreclamp(value, 0, 1).
• quadInconstcoreAccelerates from rest.
• expectRangefunctioncoreInclusive on both ends: min <= value <= max.
• EpochMillistypecoreMilliseconds since the Unix epoch — wall-clock calendar time, as Date.now() returns it.
• quadOutconstcoreDecelerates into rest.
• quadInOutconstcoreSymmetric ease-in-out.
• noise3functioncore3D gradient noise in [-1, 1].
• cubicInconstcoreAccelerates harder than quadIn.
• PoolclasscoreA fixed-shape allocator for one type of object.
• lerpfunctioncoreLinear interpolation, in the precise form (1 - t) a + t b.
• cubicOutconstcoreDecelerates harder than quadOut, and the most-reached-for curve in the kit: most of the motion…
• cubicInOutconstcoreSymmetric cubic ease-in-out.
• fmtCompactfunctioncoreCompact magnitude: 12500 → '12.5K'.
• expectIndexfunctioncoreAn integer index in [0, length) — the half-open interval arrays actually use.
• hashStringfunctioncoreDeterministic 32-bit hash of a string (xmur3-style mixing, fmix32 finalise).
• MonotonicMillistypecoreMilliseconds from an arbitrary origin — monotonic time, as performance.now() returns it.
• quartOutconstcoreDecelerates harder still — the "expensive" feel for a panel that slides in.
• inverseLerpfunctioncoreWhere value sits between a and b, as a fraction.
• fmtSignedfunctioncoreCompact magnitude with an explicit sign on positives: '+12.5K'.
• expectNonEmptyfunctioncoreReject an empty array, returning it otherwise.
• NowtypecoreThe calendar: the game's single wall-clock reading, injected.
• fbm2functioncoreFractal Brownian motion: octaves layers of noise2, each at twice the frequency and gain times t…
• backInconstcorePulls back below 0 before moving.
• remapfunctioncoreMove value from one range to another: inverseLerp then lerp, unclamped.
• fmtIntegerfunctioncoreGrouped integer: 1234567 → '1,234,567'.
• hashNumberfunctioncoreFold an arbitrary finite number into a uint32 without discarding its high bits.
• Vec2interfacecoreA mutable 2D point — the storage, scratch and output type of the whole kit.
• backOutconstcoreOvershoots past 1 and settles back.
• MonotonicNowtypecoreThe stopwatch: a monotonic reading, injected.
• fbm3functioncorefBm over noise3.
• bounceOutconstcoreFour decaying bounces, piecewise quadratic.
• smoothstepfunctioncoreHermite smoothstep, clamped to [0, 1].
• expectSerializablefunctioncoreReject a number that will not survive JSON.stringify — the save-path guard.
• smoothconstcoresmoothstep(0, 1, t): symmetric, zero derivative at both ends.
• fmtRatefunctioncoreA per-second rate: '1.2/s'.
• ReadonlyVec2interfacecoreThe read side.
• smootherconstcoreKen Perlin's quintic: zero second derivative at both ends as well as the first.
• isSerializablefunctioncoreThe non-throwing form — the load-path predicate.
• createScopefunctioncoreBuild an empty scope.
• modfunctioncoreEuclidean modulo: the result carries the sign of divisor, never of value.
• hashStepfunctioncoreFold one more value into a running hash.
• fmtPercentfunctioncore0.075 → '7.5%'.
• v2functioncoreAllocate a vector.
• EASINGSconstcoreEvery curve above, keyed by name.
• v2SetfunctioncoreWrite components into out.
• DurationStyletypecoreHow fmtDuration renders.
• wrapfunctioncoreWrap value into the half-open range [min, max).
• asEpochMillisfunctioncoreBrand a number as calendar time, at the one boundary where a real clock is read — or where a st…
• expectSafeIntegerfunctioncoreReject a count that has left the exactly-representable integers.
• v2CopyfunctioncoreCopy a into out.
• v2Addfunctioncoreout = a + b.
• reversefunctioncoreRun a curve backwards: reverse(quadIn) is the corresponding out-curve.
• hashPartsfunctioncoreCombine parts into one uint32, non-commutatively: hashParts('a', 'b') and hashParts('b', 'a') d…
• v2Subfunctioncoreout = a - b.
• v2Scalefunctioncoreout = a scalar.
• moveTowardsfunctioncoreStep at most maxDelta toward target, never overshooting.
• fmtDurationfunctioncore'2m 30s' (short) or '02:30' (clock).
• asMonotonicMillisfunctioncoreBrand a number as a monotonic reading.
• unreachablefunctioncoreExhaustiveness check for a discriminated union.
• inOutfunctioncoreMirror an in-curve into a symmetric in-out curve: the first half is the curve at double speed a…
• v2AddScaledfunctioncoreout = a + b scalar — the integration step, without a temporary.
• v2Lerpfunctioncoreout = (1 - t) a + t b, component-wise and unclamped.
• v2DotfunctioncoreDot product.
• dampfunctioncoreFrame-rate-independent exponential smoothing — the correct form of "ease toward target".
• hash2functioncoreWhite noise from a coordinate pair: a uint32 that is a pure function of (seed, x, y) and nothin…
• v2CrossfunctioncoreThe z component of the 3D cross product.
• approxfunctioncoreAbsolute-difference comparison against epsilon (default EPSILON), inclusive.
• v2LenSqfunctioncoreSquared length.
• expectObjectfunctioncoreNarrow an unknown to a plain object with string keys.
• v2LenfunctioncoreLength.
• hash3functioncoreThe same, over three integers — hash2 plus one hashStep.
• v2DistSqfunctioncoreSquared distance.
• v2DistfunctioncoreDistance between two points.
• expectRecordOfFinitefunctioncoreNarrow an unknown to a plain object whose every value is a finite number.
• hashBytesfunctioncoreDigest an integer array — a frame buffer, a serialized save, any byte sequence.
• v2NormalizefunctioncoreUnit vector in the direction of a, or (0, 0) when a has no length.
• v2PerpfunctioncoreRotate 90° counter-clockwise: (-y, x).
• toUnitfunctioncoreA uint32 as a float in [0, 1) — exactly hashed / 232, the same normalization Rng.next uses, so…
• v2ApproxfunctioncoreComponent-wise comparison within epsilon (default EPSILON), inclusive.
• v2RotatefunctioncoreRotate a counter-clockwise by radians.
• v2AnglefunctioncoreThe direction of a as an angle in (-PI, PI], measured counter-clockwise from +x.
• v2FromAnglefunctioncoreBuild a vector of the given length (default 1) pointing at radians.
• createRngfunctioncoreCreate a stream from a numeric or string seed.
• WavetypeaudioThe five sources.
• MixerStateinterfaceaudioThe mixer as a value, versioned because it goes in a save and a save that cannot say what it is…
• BedLayerinterfaceaudioOne continuous layer of a bed.
• BusIdtypeaudioThe three buses, fixed and closed.
• MixerinterfaceaudioThe three buses and master.
• BusNametypeaudioThe three buses plus the one they all feed.
• BUS_NAMESconstaudioEvery bus name, in the order the mixer walks them.
• LOOKAHEAD_SECconstaudioHow far ahead the deck schedules, in seconds.
• PUMP_INTERVAL_MSconstaudioHow often the deck's own timer pumps, in milliseconds.
• AudioOptionsinterfaceaudioOptions for createAudio.
• VERSIONconstaudioThe kit version this package was built as part of.
• TrackVoiceinterfaceaudioThe instrument a track plays.
• MAX_VOICESconstaudioHard ceiling on one-shot voices in flight.
• ATTACK_SECconstaudioFixed attack, in seconds.
• SEMITONEconstaudioEqual temperament: the twelfth root of two, written out rather than computed.
• NoteinterfaceaudioA step within the bar, and how far above the bar's root it speaks.
• BedOptionsinterfaceaudioHow a bed is wired, as opposed to what it sounds like.
• effectiveGainfunctionaudioWhat the device is actually set to for a bus: the player's level, or zero when muted.
• TrackinterfaceaudioOne instrument's part.
• RAMP_SECconstaudioTime constant for every gain change made to an already-running node, in seconds.
• LayerinterfaceaudioOne oscillator or noise burst inside a sound.
• BedinterfaceaudioA running bed.
• SonginterfaceaudioA whole piece, as data.
• SongProbleminterfaceaudioOne thing wrong with a song.
• AudiointerfaceaudioThe engine.
• MusicDeckinterfaceaudioA running deck.
• SoundDefinterfaceaudioA sound, as a game author writes it.
• createBedfunctionaudioStand up a bed on an engine.
• PlayOptionsinterfaceaudioPer-event modulation.
• validateSongfunctionaudioCheck a song for the faults that make it unlistenable rather than unplayable.
• VoicePlaninterfaceaudioWhat the engine decided to build, handed to every onScheduled listener — one call per layer.
• createDeckfunctionaudioStand up a deck on an engine.
• SoundProbleminterfaceaudioOne thing wrong with one sound, named with the numbers in it.
• validateSoundsfunctionaudioCheck a sound table for the faults that produce a worse game and no error.
• createAudiofunctionaudioBuild an engine.
• FootprintinterfaceisoAn axis-aligned footprint on the ground: w × d tiles with its north corner at (gx, gy).
• HeightFieldinterfaceisoA tile layer read as terrain height, plus the world pixels one height unit is worth.
• footprintContainsfunctionisoDoes this footprint cover tile (gx, gy)? Half-open: the far edge is not covered, so two footpri…
• GridPointinterfaceisoA position in grid space, fractional or whole.
• AnchorinterfaceisoA durable attachment point: where a thing is in grid space, plus how high above the ground plan…
• footprintOverlapsfunctionisoDo two footprints share any tile? The whole of a placement-legality check, and half-open on the…
• TiletypeisoA GridPoint whose components are whole numbers: a tile address.
• unitsToPxfunctionisoHeight units → world pixels.
• forEachFootprintTilefunctionisoCall fn once per tile of a footprint, in row-major grid order (gy outer, gx inner).
• anchorToScreenfunctionisoProject an anchor to a screen point, now, for this camera.
• TileCosttypeisoMovement cost of entering a tile: 0 (or less) for impassable, otherwise a positive integer weig…
• STEP_ORTHOconstisoCost of an orthogonal step, in the units TileCost multiplies.
• TileSourceinterfaceisoAnything that can answer "what is on this tile" with a number.
• STEP_DIAGconstisoCost of a diagonal step: 14 ≈ 10√2.
• anchorVisiblefunctionisoIs this anchor within marginPx CSS pixels of the viewport?
• screenToTilefunctionisoThe tile under a screen point, on flat ground.
• footprintFlatnessfunctionisoHow far from flat the ground under a footprint is, in world pixels: the largest vertex height m…
• RectinterfaceisoThe kit's rectangle, in min/max form and carrying no coordinate space of its own.
• MutableTileSourceinterfaceisoA TileSource that can be written to, and that says when it changed.
• DIR_DXconstisoUnit grid offsets for direction codes 1..8; index 0 is (0, 0) and means "no route".
• VERSIONconstisoThe kit version this package was built as part of.
• DIR_DYconstisoGrid dgy per direction code.
• CameraOptionsinterfaceisoWhat a camera is allowed to do — the opening value of every policy, none of them baked.
• TileRangeinterfaceisoA half-open rectangle of tiles: gx0 ≤ gx < gx1, gy0 ≤ gy < gy1.
• anchorPanfunctionisoStereo pan for a sound made at this anchor: -1 hard left, 0 center, +1 hard right, unclamped be…
• footprintBasefunctionisoThe height a footprint's base should be drawn at, in world pixels: the maximum vertex height un…
• pxToUnitsfunctionisoWorld pixels → height units: the inverse of unitsToPx, and the conversion that was being writte…
• PathOptionsinterfaceisoHow a search is allowed to move, shared by PathFinder and FlowField.
• footprintAnchorfunctionisoThe Anchor a footprint's label, ring, bubble or confirm control should hang from: the center of…
• TILE_WconstisoTile width in world pixels.
• TILE_HconstisoTile depth in world pixels.
• DepthSorterclassisoAn order over a frame's ground footprints: fed rectangles, hands back a permutation.
• HALF_WconstisoTILE_W / 2, spelled out because it appears in every projection and the division would otherwise…
• TileGridOptionsinterfaceisoThe shape of an island, fixed at construction.
• heightAtfunctionisoHeight in world pixels at a fractional grid position, bilinear between the four vertex values t…
• HALF_HconstisoTILE_H / 2.
• screenToTileOnHeightsfunctionisoThe tile under a screen point on a heightfield, or false if the ray leaves the map.
• CamerainterfaceisoThe transform.
• gridToWorldXfunctionisogrid → world, x only.
• VolumeinterfaceisoA rectangular volume in a building's local space: offsets and extents in tiles, elevation and h…
• gridToWorldYfunctionisogrid → world, y only.
• gridToWorldfunctionisogrid → world, both axes, written into out.
• TileGridclassisoA fixed rectangle of tiles in one flat typed array.
• worldToGridXfunctionisoworld → grid, x only.
• worldToGridYfunctionisoworld → grid, y only.
• worldToGridfunctionisoworld → grid, both axes, fractional.
• boxSilhouettefunctionisoThe screen-space silhouette of one box: six points as [x0,y0, … x5,y5] written into out.
• worldToTilefunctionisoThe tile containing a world point.
• worldToTileOnHeightsfunctionisoThe tile whose terrain surface is drawn at a world point, or false if the ray that arrives ther…
• pointInPolygonfunctionisoEven-odd ray cast against count points packed as x,y pairs.
• depthOffunctionisoPainter's-algorithm scalar key: larger draws later, i.e.
• pointInTilefunctionisoIs a screen point inside the tile diamond of (gx, gy)? Two comparisons, no polygon.
• slopeAtfunctionisoThe steepest rise between any two edge-adjacent corners of tile (gx, gy), in world pixels.
• tileSourceOffunctionisoA read-only tile source backed by a function — procedural terrain from core.hash2 or core.noise…
• isEdgeOnfunctionisoDoes a grid-space segment project to a vertical line with no screen width — is it edge-on to th…
• PathclassisoA route: a polyline through grid space that also knows how long it is.
• tileDiamondfunctionisoThe four world-space corners of a tile diamond, clockwise from the north vertex, written into o…
• footprintBoundsfunctionisoThe world-space box of a w × d footprint standing heightPx world pixels tall.
• tileBoundsfunctionisoThe world box of a whole rectangle of tiles — the value CameraOptions.bounds wants.
• rectSetfunctionisoSet all four edges at once.
• rectFromSizefunctionisoFrom a position and a size — the form ui and input think in, and the only place in this package…
• rectWidthfunctionisoWidth.
• rectHeightfunctionisoHeight.
• rectCenterXfunctionisoCenter x.
• pickSortedfunctionisoWhat the player tapped: the insertion index of the last-painted item whose test returns true, o…
• rectCenterYfunctionisoCenter y.
• rectContainsfunctionisoIs the point inside? Half-open on the max edges, so a plane tiled with rectangles assigns every…
• rectIntersectsfunctionisoDo two rectangles share any area? Touching edges do not count, which is the same half-open conv…
• rectExpandfunctionisoGrow (or, with a negative margin, shrink) in place.
• rectUnionfunctionisoout becomes the smallest rectangle containing both.
• rectMakeEmptyfunctionisoReset to the inverted-infinity rectangle, so a loop of rectUnion accumulates a bounding box cor…
• pathSamplefunctionisoThe grid position at arc length sPx along the path, written into out.
• rectIsEmptyfunctionisoTrue when the rectangle encloses no area, including the rectMakeEmpty state and any rectangle w…
• pathDirAtfunctionisoWhich of the eight compass directions the path is heading in at arc length sPx, as a direction…
• pathProjectfunctionisoThe arc length of the point on the path nearest to grid position (gx, gy).
• createCamerafunctionisoBuild a camera.
• gridToScreenfunctionisogrid → screen, including elevation.
• pathSimplifyfunctionisoCollapse the staircase: remove collinear runs, then pull the path straight wherever the straigh…
• PathFinderclassisoA\ over a tile source.
• FlowFieldclassisoA direction per tile, pointing downhill towards the nearest goal.
• DisposertypeloopUndo one thing.
• TweenIdtypeloopOpaque, never reused within a session.
• TweenOptionsinterfaceloopOptions for Tweens.start.
• DEFAULT_IDLE_PUMP_MSconstloopPeriod of the non-painting pump, in milliseconds.
• VERSIONconstloopThe kit version this package was built as part of.
• ClockinterfaceloopThe host's clock, injected.
• ReplaySourceinterfaceloopA recorded session, seen from here: a length, inputs addressable by tick, and optional checkpoi…
• ManualClockinterfaceloopA clock a test owns outright.
• PumpKindtypeloopWhy a pump happened.
• TimerIdtypeloopOpaque, never reused within a session, and cheap: a number, not an object.
• PumptypeloopA callback the loop hands to its frame source.
• SchedulerinterfaceloopThe read-and-schedule half of a timeline.
• FrameStatsinterfaceloopLive frame figures.
• DEFAULT_HZconstloopFixed steps per second when hz is not given.
• FrameSourceinterfaceloopWhere pumps come from.
• ReplayOptionsinterfaceloopOptions for replay.
• manualClockfunctionloopA clock that only moves when a test moves it.
• FrameHostinterfaceloopJust enough of window to drive a loop.
• BrowserFramesOptionsinterfaceloopOptions for browserFrames.
• DEFAULT_MAX_CATCH_UP_MSconstloopHow much real time one pump may spend catching up, in ms.
• TweensinterfaceloopA bag of running tweens the game steps itself.
• DEFAULT_BUDGET_MSconstloopA pump costing more than this counts against stats.overBudget.
• ReplayResultinterfaceloopThe verdict.
• DEFAULT_WINDOW_MSconstloopHow far back the rolling worst-frame figures look, in ms.
• createTweensfunctionloopAn empty set of tweens.
• browserFramesfunctionloopBrowser only.
• TimelineinterfaceloopA scheduler somebody advances.
• ManualFramesinterfaceloopA frame source a test drives by hand.
• replayfunctionloopReplay a recorded session and report the first tick at which this build stopped agreeing with t…
• DEFAULT_WARMUP_FRAMESconstloopPaint intervals discarded at the start of a run, before FrameStats.worstGapMs begins recording.
• createTimelinefunctionloopA timeline starting at time zero with nothing scheduled.
• manualFramesfunctionloopA frame source that does nothing until a test tells it to.
• DEFAULT_ABSENCE_MSconstloopA gap between paints at or above this is an absence, not a frame.
• LoopPhasetypeloopWhere an exception came from, for onError.
• JobinterfaceloopA unit of work that must happen soon, at most once per pump, and never on the paint path — a na…
• LoopOptionsinterfaceloopOptions for createLoop.
• LoopinterfaceloopA running (or stopped, or paused) loop.
• createLoopfunctionloopBuild a loop.
• StorageLikeinterfacepersistThe shape of localStorage and sessionStorage, structurally, so neither is imported.
• IncrementtypepersistN + 1, at the type level, so a chain that skips a version does not compile.
• ListenerTargetinterfacepersistaddEventListener/removeEventListener, structurally, so no DOM type is imported.
• FlushTargetsinterfacepersistThe two hosts a flush has to be wired to, and nothing else about them.
• StorageAdapterinterfacepersistWhere a save goes.
• ChecksumtypepersistA checksum over the exact payload text.
• EnvelopeinterfacepersistWhat is actually on disk.
• FailureReasontypepersistEvery way a save can fail to become a state.
• installFlushTriggersfunctionpersistFlush on the events that actually fire, and return a disposer.
• webStoragefunctionpersistWraps any StorageLike.
• browserStoragefunctionpersistlocalStorage if the platform will give it up, memory if it will not.
• memoryStoragefunctionpersistAn in-process map.
• ReplayCompatinterfacepersistThe only three fields this package reads out of a recorded input log.
• RecognizetypepersistHow a version recognizes itself: returns the value typed, or throws.
• defaultChecksumconstpersisthashString from @latticekit/core, rendered as eight lowercase hex digits.
• ReadFailureinterfacepersistThe report.
• MigrationStepinterfacepersistOne rung, for reporting and for tests.
• MigrationChaininterfacepersistA sealed chain from floor to head with no gaps.
• VERSIONconstpersistThe kit version this package was built as part of.
• Digesttypepersist"The same pixel", reduced to a uint32.
• CheckpointinterfacepersistEight bytes.
• OpenResultinterfacepersistWhat open() and decode() produce.
• ReplayLoginterfacepersistA recorded session: a starting stream, an input log, and the digests that make the claim checka…
• ChainBuilderinterfacepersistThe chain under construction.
• RecorderOptionsinterfacepersistWhat a recorder needs to know before the first tick.
• WriteSkiptypepersistWhy a write did not happen.
• WriteFailureinterfacepersistA write that was attempted and refused by the platform.
• WriteResultinterfacepersistThe outcome of one write attempt.
• RecorderinterfacepersistRecords checkpoints, and nothing else.
• RejectedinterfacepersistA save that could not be read, kept so a bug report can carry it.
• CanceltypepersistUndo a scheduled callback.
• migrationsfunctionpersistStart a chain at the oldest version you still support, with the recognizer for that version.
• RefusaltypepersistWhy a replay was not run.
• DivergenceinterfacepersistWhere two runs first disagreed, and the bracket the bug is inside.
• ScheduletypepersistRun fn after afterMs have passed, and hand back a way to cancel it.
• ReplayVerdictinterfacepersistThe answer.
• SecondsTimelineinterfacepersistA seconds-based timeline, structurally — loop.real and loop.sim both satisfy it.
• ReplayVerifierinterfacepersistDrives digest comparisons tick by tick.
• createRecorderfunctionpersistStart recording checkpoints for a session.
• scheduleFromfunctionpersistTurn a seconds-based timeline into the millisecond Schedule this package takes.
• createVerifierfunctionpersistBuild the verifier for a log, against this build's identity and input configuration.
• StoreStatustypepersistWhat is wrong with this store right now, as a condition rather than a message.
• StoreOptionsinterfacepersistEverything createStore needs.
• AutosaveOptionsinterfacepersistHow an Autosave decides when to write.
• AutosaveinterfacepersistA coalescing write handle bound to one getter.
• StoreinterfacepersistOne key's worth of saved state, versioned by its chain.
• inspectfunctionpersistThe envelope only, payload untouched, or null if this is not one.
• elapsedSincefunctionpersistMilliseconds between the loaded save and now — the offline gap, and the one derived quantity th…
• createStorefunctionpersistBuild a store for one key.
• EntityIdtypesimAn identity for a thing in the world — a lamp, a building, a pilgrim with a name.
• IdSourceinterfacesimThe allocator.
• PhaseinterfacesimOne piece of a piecewise-constant schedule.
• StockstypesimA stock vector, keyed by node id.
• CapacityCurveinterfacesimThe wall's one parameter.
• createIdSourcefunctionsimStart or restore an allocator.
• StockVectypesimThe mutable form.
• CostCurveinterfacesimcost(k) = base · growth^k.
• CatchUpinterfacesimAn absence, and the schedule that ran during it.
• FlowinterfacesimThe evaluated rate of every edge, plus the integrator's workspace.
• mintIdfunctionsimTake the next id.
• VERSIONconstsimThe kit version this package was built as part of.
• LedgerinterfacesimA stock vector and the instant it is true at.
• costOfNextfunctionsimb · r^k — the price of the next single unit.
• capacityWallfunctionsimThe wall: 1 at or under parity, falling linearly to 0 at blackoutAt times over-draw.
• OfflineCurveinterfacesimUncapped for uncappedSeconds, softcapped at exponent, flat after flatAfterSeconds.
• asEntityIdfunctionsimNarrow a number that came back from a save.
• EdgeScaletypesimA per-edge multiplier, evaluated once per buildFlow and held constant across the integration th…
• capacitySharefunctionsimThe share: min(1, supply / demand).
• bulkCostfunctionsimb · r^k · (r^n − 1)/(r − 1) — the price of count more, starting from owned.
• EdgeSpecinterfacesimOne production edge: d(to)/dt += rate × stock(from), or — with no from — d(to)/dt += rate.
• solveCrossingfunctionsimThe first instant within [0, horizonSeconds] at which node reaches level, or Infinity if it doe…
• expectFiniteStocksfunctionsimValidate a stock vector, returning it.
• createFlowfunctionsimAllocate the workspace for one simulated world.
• capacityLoadfunctionsimdemand / supply, for the meter — the number a HUD paints amber at 0.8, so that 18 of 20 does no…
• GateRatiostypesimThe ratios in force, one per declared gate.
• NO_GATESconstsimFor an economy with no gates.
• elapsedSecondsfunctionsim(atMs − ledger.atMs) / 1000, clamped at zero.
• CrossinginterfacesimWhere a crossing landed, in both clocks.
• buildFlowfunctionsimFold per × scale(stocks) × gateRatio into out.rates.
• EconomySpecinterfacesimEverything a game declares about its economy.
• projectfunctionsimIntegrate to an instant without committing, into a caller-owned vector.
• maxBuyablefunctionsimfloor( log_r( c(r−1)/(b·r^k) + 1 ) ), corrected for float rounding, clamped to cap.
• offlineCreditfunctionsimCredited seconds for a single contiguous absence.
• MilestonesinterfacesimAscending thresholds, each multiplying once.
• EdgeinterfacesimA validated edge, in the package's own order.
• maxOfflineCreditfunctionsimThe most any absence can ever be worth.
• advancefunctionsimMove the anchor, crediting creditedSeconds of production.
• advanceOverfunctionsimAdvance across a piecewise-constant schedule, applying the warp once across the whole span and…
• integratefunctionsimIntegrate the whole vector forward by seconds, exactly, in one step.
• milestoneMultiplierfunctionsimThe multiplier from milestone bonuses at an owned count.
• ratesOffunctionsimdx/dt at this instant — what a HUD prints as "per second".
• offlineElapsedfunctionsimW⁻¹ — the real elapsed time at which creditedSeconds of credit had accrued.
• EconomyinterfacesimA validated, frozen production graph.
• reanchorfunctionsimMove the anchor without crediting anything, in either direction.
• solveCrossingOverfunctionsimThe same solve as solveCrossing, across a whole schedule: walk the phases, integrate each exact…
• offlineCreditRatefunctionsimdW/dt — "the next second away is worth this much of a second".
• defineEconomyfunctionsimValidate a spec and compute its evaluation order.
• zeroStocksfunctionsimA fresh, fully-populated, all-zero vector, keyed in storage order.
• degreeOffunctionsimThe degree of node's trajectory in t: the longest path into it, so 0 is constant, 1 is linear a…
• OpNametypedrawThe nine calls a surface can record.
• SurfaceKindtypedrawWhich backend a Surface is, for the two places that legitimately need to know: a golden test as…
• contactShadowfunctiondrawA soft contact shadow under a footprint.
• StopstypedrawA named, immutable set of slot colors: DAY, DUSK, NIGHT.
• TargetModetypedrawWhat a render target accumulates.
• LEVEL_HconstdrawWorld pixels per storey.
• Canvas2dOptsinterfacedrawHow a screen surface is configured.
• PALETTE_STEPSconstdrawQuantisation levels for Palette.lerp and lerpPalette.
• washfunctiondrawA full-viewport wash — dusk tint, brownout, pause dim.
• PaletteinterfacedrawLive slot state for one frame's worth of drawing, plus the revision any cache keys on.
• levelsToPxfunctiondrawStoreys → world pixels.
• RgbatypedrawA color packed as 0xRRGGBBAA in a uint32.
• VariantinterfacedrawThe instance facts the static art may depend on — and therefore everything that would ever belo…
• OpinterfacedrawOne recorded call, rounded to three decimal places on the way in.
• DEFAULT_TEXTconstdrawThe kit's default text run: a system stack, semibold, centered both ways.
• BlitModetypedrawHow a bitmap lands on what is already there.
• InktypedrawA color, or the name of a palette slot resolved at draw time.
• MIN_WALL_TEXT_PXconstdrawBelow this many CSS pixels of wall height, glyphs are mush and wallText draws nothing at all.
• LightFieldOptsinterfacedrawHow a light field is configured.
• TextStyleinterfacedrawA text run's appearance, passed per call.
• VERSIONconstdrawThe kit version this package was built as part of.
• VARIANT_ZEROconstdrawA finished, powered, unnamed instance.
• LayerconstdrawThe pass ordinals.
• rgbafunctiondrawPack four channels.
• ESTIMATED_ADVANCE_RATIOconstdrawAdvance width per point of font size, used by Surface.measure where there are no fonts.
• FLAG_POWEREDconstdrawThe instance is connected and running.
• FLAG_BUILDINGconstdrawThe instance is under construction; progress is meaningful.
• pxToLevelsfunctiondrawWorld pixels → storeys.
• FLAG_SELECTEDconstdrawThe player has it selected.
• wallTextfunctiondrawText painted onto a vertical face, sheared into the isometric plane.
• RecordingSurfaceinterfacedrawA recording surface, and the extra half of the contract a test reads.
• FLAG_GHOSTconstdrawIt is a placement preview rather than a real thing.
• FACE_TOPconstdrawRelative brightness of each visible face.
• GROUND_LIFTconstdrawThe z-fight ladder, in storeys.
• FACE_LEFTconstdrawThe +gy face — screen-left, and the lit one.
• BitmapinterfacedrawAn image the kit rendered itself.
• GHOST_LIFTconstdrawA placement ghost, above anything painted onto the ground.
• FACE_RIGHTconstdrawThe +gx face — screen-right, and the shaded one.
• OffscreenOptsinterfacedrawHow a detached surface is configured.
• SELECT_LIFTconstdrawA selection rim, above the ghost.
• LightFieldinterfacedrawThe frame's light, accumulated and composited once.
• createPalettefunctiondrawBuild a live palette from a stop set.
• screenTextfunctiondrawUnsheared text at a screen pixel — floating numbers, timers, debug readouts.
• SolidWriterinterfacedrawThe emitter a game's massing is written against.
• PASS_NAMESconstdrawPass names in order.
• SHADE_TINTconstdrawCool target that shadowed surfaces drift toward.
• RecordingTargetinterfacedrawA recording surface used as a render target: the same log, plus the bitmap handle a blit takes…
• LIGHT_TINTconstdrawWarm target that lit surfaces drift toward.
• BoxOptsinterfacedrawEverything a box-shaped solid can be told.
• isoTerrainfunctiondrawOne terrain tile, drawn on its own four corner heights.
• PassesinterfacedrawThe game's painting, one callback per pass.
• SurfaceinterfacedrawEverything a backend must provide.
• OffscreenSurfaceinterfacedrawA Surface backed by a <canvas> element — both factories in this file return one, the detached t…
• shadefunctiondrawDerive a face color from a base color — the rule the whole look rests on.
• createRecordingSurfacefunctiondrawA surface that records draw commands and a digest rather than pixels.
• outlineOffunctiondrawThe silhouette stroke for a solid: its own hue, very dark, never pure black.
• withAlphafunctiondrawReplace the alpha channel.
• extendStopsfunctiondrawA stop set plus a game's own slots.
• VarstypedrawA flat slot → CSS color bag.
• isoTilefunctiondrawA single flat tile diamond: terrain, pads, the placement grid.
• mixfunctiondrawLinear per-channel blend in sRGB bytes, alpha included.
• cssOffunctiondrawPacked color → a CSS rgb()/rgba() string, memoised.
• isoPatchfunctiondrawA flat quad lying in the ground plane at height z — solar glass, helipads, gravel.
• lerpPalettefunctiondrawInterpolate two stop sets into CSS strings — the draw → ui seam.
• hexOffunctiondrawPacked color → #rrggbb, or #rrggbbaa when it is not opaque.
• paletteVarsfunctiondrawThe same bag, from whatever a live palette currently is.
• MassingtypedrawStatic art.
• BASE_SLOTSconstdrawFull daylight, and the working default: createPalette(BASE_SLOTS) is a game that renders.
• hexfunctiondrawParse #rgb, #rrggbb or #rrggbbaa into a packed color.
• DAYconstdrawFull daylight.
• isoBoxfunctiondrawThe workhorse: an axis-aligned box on the grid.
• DUSKconstdrawThe middle of the transition, as a stop set a game can hold at.
• createCanvas2dSurfacefunctiondrawWrap a canvas element.
• NIGHTconstdrawMidnight.
• AnimatortypedrawLive art over the static image, every frame.
• hslfunctiondrawHSL → packed.
• isoCylinderfunctiondrawAn upright cylinder — cooling towers, tanks, silos.
• createOffscreenSurfacefunctiondrawA detached surface of a fixed size — the one ui needs for shop thumbnails.
• renderFramefunctiondrawRun one frame's passes in the fixed order.
• hueToHexfunctiondrawA brand hue straight to #rrggbb, for the DOM.
• EmittertypedrawEmissive contribution.
• SpriteDefinterfacedrawA sprite: a footprint, static art, and two optional live hooks.
• isoRooffunctiondrawA gabled roof: a prism ridged along the gx axis.
• defineSpritefunctiondrawIdentity at runtime.
• isoWallfunctiondrawA rectangle on a vertical face — windows, doors, vents, signage, hazard panels.
• isoPostfunctiondrawA thin upright post — antennae, lightning rods, flagpoles, pylons.
• drawSpritefunctiondrawDraw a sprite at a grid position.
• glowDotfunctiondrawA glowing point: a hard core inside a soft halo — status LEDs, lit windows, strobes.
• createLightFieldfunctiondrawBuild a light field over a surface.
• drawGhostfunctiondrawA translucent preview during placement, tinted by legality: the ok slot means it will land, bad…
• RenderTargetinterfacedrawA Surface that renders into memory and hands back the result.
• drawFootprintfunctiondrawThe marching-ant footprint rectangle on its own — selection rims, build sites, ranges.
• PeninterfacedrawA frame's worth of context, so a primitive takes coordinates and not plumbing.
• spriteVolumefunctiondrawThe sprite's massing as an iso.Volume, in world pixels — the picking half of the seam.
• spriteHeightPxfunctiondrawThe sprite's total height in world pixels — what DepthSorter.add wants for culling.
• spriteBoundsfunctiondrawScreen-space bounds of a sprite, into iso's Rect.
• FrameOptsinterfacedrawWhat a frame needs to start.
• beginFramefunctiondrawOpen a frame: clear the surface and build the pen every primitive is handed.
• endFramefunctiondrawClose the frame.
• subPenfunctiondrawA pen onto a different surface and camera, sharing this one's palette and clock.
• PointerKindtypeinputWhat the player is touching the game with.
• HeightFieldinterfaceinputA tile layer read as terrain height, plus the world pixels one height unit is worth.
• DisposertypeinputUndo one thing.
• GestureProfileinterfaceinputEvery threshold the recognizer and the camera controller consult.
• ActionBindingtypeinputOne way of producing an action.
• GridPointinterfaceinputA position in grid space, fractional or whole.
• ActionMaptypeinputThe declared map, from which the action names are inferred.
• GestureNametypeinputThe six things a player can do that this package has a name for.
• ZoomSourcetypeinputWhat produced a zoom.
• LOG_VERSIONconstinputThe format version of InputLog.
• FixedStepinterfaceinputA loop's fixed step, in both units it publishes.
• InputOptionsinterfaceinputOptions for createInput: the headless ones, plus the things only a browser has.
• InputRecordinginterfaceinputA running recording.
• TerraininterfaceinputThe elevation a pointer is resolved against, and how far up the search for it starts.
• HeadlessInputOptionsinterfaceinputEverything a system needs that is not a browser.
• RawSampletypeinputThe entire input to the recognizer.
• CameraControllerinterfaceinputThe gestures-to-camera policy.
• ReplayCursorinterfaceinputA recorded log, seen the way @latticekit/loop's replay driver sees it.
• InputScopeinterfaceinputA place bindings are owned.
• TerrainOptiontypeinputWhat a game says about its ground: a heightfield, or the word 'flat'.
• Vec2interfaceinputA mutable 2D point — the storage, scratch and output type of the whole kit.
• GestureBaseinterfaceinputThe fields every gesture carries.
• VERSIONconstinputThe kit version this package was built as part of.
• fixedStepfunctioninputBuild a step from a rate, for the callers that have no loop to read one off.
• createLogfunctioninputAn empty log carrying this system's compatibility triple.
• DomInputSysteminterfaceinputAn InputSystem bound to an element, which is the only thing a DOM one adds.
• InputLoginterfaceinputA recorded session's input, and everything needed to know the recording is still valid.
• recordfunctioninputBegin recording every sample this system receives, plus a marker per tick.
• DiagnosticCodetypeinputThings this package can detect about its host that are always bugs.
• DiagnosticinterfaceinputA problem worth a sentence, not a throw.
• createInputfunctioninputBind a world surface.
• DiagnosticSinktypeinputWhere a diagnostic goes.
• TapGestureinterfaceinputA press that stayed put.
• DragGestureinterfaceinputA press that traveled.
• ProfileScalartypeinputEvery field of GestureProfile that is a plain number.
• InputSysteminterfaceinputA recognizer, an action map and a camera controller over one camera.
• replayfunctioninputFeed a recorded log back in, tick by tick, using the log's own tick indices.
• DEFAULT_PROFILEconstinputThe defaults, each one defended in the doc comment of its field.
• ZoomGestureinterfaceinput"Scale the world by scale about this point."
• ProfileOverridestypeinputWhat a game may override.
• GestureMapinterfaceinputThe gesture name → event type mapping InputScope.on is typed against.
• ActionEventinterfaceinputAn action fired.
• replayCursorfunctioninputA cursor over a log, for @latticekit/loop's replay driver.
• createHeadlessInputfunctioninputBuild a system with no DOM at all, fed only by InputSystem.submit.
• RollOptionsinterfaceuiHow a roll behaves.
• BrandOptionsinterfaceuiHow a brand hue is turned into a color.
• PanelOptionsinterfaceuiHow a panel behaves.
• ToastKindtypeuiHow a toast reads.
• AttrstypeuiAttributes for el.
• ToastOptionsinterfaceuiHow a toast host behaves.
• CadenceFntypeuiWork registered on a cadence.
• ThumbSpecinterfaceuiWhat to paint, and how big.
• ChildtypeuiA child of el.
• PalettetypeuiA set of named colors — whatever @latticekit/draw produces from interpolating two palettes by a…
• DisposertypeuiUndo one thing.
• PaletteOptionsinterfaceuiHow a palette is namespaced on the root.
• PanelinterfaceuiAn open-and-closable region of the overlay.
• RollinterfaceuiA number that eases to its target.
• ToastHostinterfaceuiA place toasts appear.
• DisposetypeuiUndo a mount, a subscription or a widget.
• elfunctionuiBuild an element.
• LayerNametypeuiThe four layers, bottom to top.
• OverlayOptionsinterfaceuiHow an overlay is created.
• ThumbCacheinterfaceuiA bounded, keyed set of painted thumbnails.
• clearfunctionuiEmpty a node.
• setBrandfunctionuiRecolour the overlay from a single hue in degrees.
• rollfunctionuiA number that eases to its target on the paint cadence.
• setTextfunctionuiWrite text only if it changed, and say whether it did.
• FloatKindtypeuiHow a floating number reads.
• ScreenPointinterfaceuiA mutable point, used only as an output parameter.
• panelfunctionuiA panel bound to an overlay.
• thumbnailsfunctionuiA bounded thumbnail cache bound to an overlay.
• AcknowledgeOptionsinterfaceuiWhat an acknowledgement says.
• FloatOptionsinterfaceuiHow a float host behaves.
• setTokensfunctionuiSet arbitrary custom properties on the overlay root.
• VERSIONconstuiThe kit version this package was built as part of.
• MountOptionsinterfaceuiHow one node joins the overlay.
• showfunctionuiShow or hide, inline and !important, so it wins.
• hidefunctionuiHide, inline.
• toastsfunctionuiA toast host bound to an overlay.
• FloatHostinterfaceuiA pool of floating numbers.
• pulsefunctionuiRestart a CSS animation on a node — the "+1" bump on a resource pill.
• interactivefunctionuiGrant pointer events to this node and its subtree, inline.
• passthroughfunctionuiTake pointer events away from a subtree of an interactive panel.
• acknowledgefunctionuiTell the player something that must not be missed, and wait until they say they have seen it.
• floatsfunctionuiFloating "+120" feedback, in the overlay's bottom layer.
• applyPalettefunctionuiPush a palette onto the overlay as custom properties, and say whether anything moved.
• OverlayinterfaceuiThe overlay: a root, four layers, two cadences and a teardown.
• createOverlayfunctionuiBuild an overlay: a pointer-transparent root, four layers, and two cadences that nothing advanc…
• DriveninterfaceuiThe shape of a game loop, as this package needs it.
• drivefunctionuiWire an overlay to a loop: update drives tick, render drives repaint.
• auditOverlayfunctionuiDev-time audit.

No symbol matches that. The nine packages are above; /llms.txt has the whole kit as text.