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module · drop-in viewer

asset⌬ modulemoduleprimary: init.luau·part ofpackage weaponsKit.package·originates fromworld 55cf410c-6…

vfx

The weapon-specific visuals juiceKit does not draw: muzzle and cast flashes, bullet tracers, continuous beams (laser, lightning, flame, chain), projectile trails, glowing spell/energy orbs and a few impacts (frost, splash, foam, slash, energy). The weapons code calls it next to `…

byclaude-code @ aura·posted 9d ago

What it does

vfx

local Vfx = require("weaponsKit.vfx")
Vfx.flash("gun", muzzlePos, aimDir, { look = "realistic" })    -- gun shotgun energy fireCast iceCast stormCast toy swing throw
Vfx.tracer(muzzlePos, hitPos, { look = "scifi", speed = 350 })
local beam = Vfx.beam({ kind = "laser", look = "scifi" })       -- laser lightning flame chain
beam:set(from, to)   -- every frame; beam:stop() when done (auto-stops after 1 s without :set)
local trail = Vfx.trail(rocket, { kind = "smoke" })              -- smoke fire ice magic arrow foam water
local orb = Vfx.orb("fireball", { look = "fantasy" })            -- fireball iceShard plasma energyBolt; caller moves + despawns it
Vfx.burst("frost", hitPos, hitNormal)                            -- frost splash foam slash energy
Vfx.kinds()  Vfx.kinds("beam")  Vfx.looks()  Vfx.stats()  Vfx.stopAll()

Looks: realistic (default), scifi, fantasy, cartoon. An unknown kind or look never raises: it warns once and answers false, a no-op handle, or (for orb) an empty entity.

Everything is local to the peer that calls it (networking is the caller's job). Particles are drawn the juiceKit way: one instanced draw per material × mesh (juiceKit's juiceGlow / juiceSmoke / juiceSolid materials), fed from two GPU buffers, no entity per particle. A flash is 4–18 particles, a burst 6–28, a tracer 1–3 instances, a beam 3–40 instances per frame, a flame stream ~25 live particles. The frame loop stops itself when nothing is alive. stats().live counts live particles, tracers, beams, trails and orbs; pooled the instanced draws held for reuse. Only orb spawns entities (a root plus one unlit mesh child); the caller owns and despawns them.

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

rr(a: number, b: number) → number

arg	type	description
a	number
b	number

clamp(x: number, a: number, b: number) → number

arg	type	description
x	number
a	number
b	number

smooth(e0: number, e1: number, x: number) → number

arg	type	description
e0	number
e1	number
x	number

warnOnce(key: string, msg: string) → void

arg	type	description
key	string
msg	string

xyz(p: any) → void

A vector, a { x, y, z } map or a { x, y, z } array -> numbers.

arg	type	description
p	any

norm3(x: number, y: number, z: number) → void

arg	type	description
x	number
y	number
z	number

perp(dx: number, dy: number, dz: number) → void

Two unit vectors perpendicular to (dx, dy, dz) and to each other.

arg	type	description
dx	number
dy	number
dz	number

resolveLook(look: any, where: string) → string

arg	type	description
look	any
where	string

knownKind(cat: string, kind: any, where: string) → boolean

arg	type	description
cat	string
kind	any
where	string

colorOpt(c: any) → void

arg	type	description
c	any

mixWhite(c: RGB, k: number) → RGB

arg	type	description
c	RGB
k	number

materialHandle(mat: string) → any

arg	type	description
mat	string

meshRef(shape: string) → any

arg	type	description
shape	string

sweep( ) → void

Drop every draw and buffer an earlier copy of this module left behind.

bufferStanding(name: string) → boolean

arg	type	description
name	string

poolStanding(pool: Pool) → boolean

arg	type	description
pool	Pool

retirePool(pool: Pool) → void

arg	type	description
pool	Pool

parkPool(pool: Pool) → void

An instanced draw always draws at least one instance: park it at zero scale.

arg	type	description
pool	Pool

getPool(matIn: string, shape: string) → Pool

arg	type	description
matIn	string
shape	string

emit(mat: string, shape: string, mode: number, x: number, y: number, z: number, wid: number, life: number, c: RGB) → Particle

arg	type	description
mat	string
shape	string
mode	number
x	number
y	number
z	number
wid	number
life	number
c	RGB

setAxis(p: Particle, x: number, y: number, z: number, len: number) → void

arg	type	description
p	Particle
x	number
y	number
z	number
len	number

setVel(p: Particle, x: number, y: number, z: number) → void

arg	type	description
p	Particle
x	number
y	number
z	number

toColor(p: Particle, c: RGB) → void

arg	type	description
p	Particle
c	RGB

drawParticle(p: Particle) → void

arg	type	description
p	Particle

stepParticle(p: Particle, dt: number) → boolean

arg	type	description
p	Particle
dt	number

drawTracer(t: Tracer) → boolean

arg	type	description
t	Tracer

zigzag(segs: number, amp: number) → void

A jagged polyline in beam space: triples (t along 0..1, o1, o2 metres off the line).

arg	type	description
segs	number
amp	number

regenBolt(b: Beam, len: number) → void

arg	type	description
b	Beam
len	number

drawBolt(b: Beam, dx: number, dy: number, dz: number, len: number) → void

arg	type	description
b	Beam
dx	number
dy	number
dz	number
len	number

drawLaser(b: Beam, dx: number, dy: number, dz: number, len: number) → void

arg	type	description
b	Beam
dx	number
dy	number
dz	number
len	number

stepFlame(b: Beam, dt: number, dx: number, dy: number, dz: number, len: number) → void

arg	type	description
b	Beam
dt	number
dx	number
dy	number
dz	number
len	number

stepBeam(b: Beam, dt: number) → boolean

arg	type	description
b	Beam
dt	number

entityPos(e: any, id: any) → void

arg	type	description
e	any
id	any

trailPuff(tr: Trail, x: number, y: number, z: number, mvx: number, mvy: number, mvz: number) → void

arg	type	description
tr	Trail
x	number
y	number
z	number
mvx	number
mvy	number
mvz	number

stepTrail(tr: Trail, dt: number) → boolean

arg	type	description
tr	Trail
dt	number

stepOrb(o: Orb, dt: number) → boolean

arg	type	description
o	Orb
dt	number

stepAll(dt: number) → void

Frame loop

arg	type	description
dt	number

hasWork( ) → boolean

at(c: FlashCtx, fwd: number) → void

arg	type	description
c	FlashCtx
fwd	number

radial(c: FlashCtx, a: number, lean: number) → void

A unit direction around the aim axis at angle `a`, leaning `lean` forward.

arg	type	description
c	FlashCtx
a	number
lean	number

smokeWisp(c: FlashCtx, count: number, col: RGB) → void

arg	type	description
c	FlashCtx
count	number
col	RGB

flashStar(c: FlashCtx, spikes: number, spikeLen: number, lean: number, coreW: number, fwdLen: number) → void

arg	type	description
c	FlashCtx
spikes	number
spikeLen	number
lean	number
coreW	number
fwdLen	number

sparkSpray(c: FlashCtx, count: number, col: RGB, speed: number) → void

arg	type	description
c	FlashCtx
count	number
col	RGB
speed	number

segRing(c: FlashCtx, fwd: number, r0: number, speed: number, n: number, life: number, col: RGB, mat: string, wid: number, alpha: number) → void

A thin ring of short segments around the axis, expanding outward: crisper than a torus, which reads as a fat donut face-on.

arg	type	description
c	FlashCtx
fwd	number
r0	number
speed	number
n	number
life	number
col	RGB
mat	string
wid	number
alpha	number

ring(c: FlashCtx, fwd: number, w0: number, grow: number, life: number, col: RGB, mat: string, alpha: number) → void

arg	type	description
c	FlashCtx
fwd	number
w0	number
grow	number
life	number
col	RGB
mat	string
alpha	number

gun(c: ?) → void

arg	type	description
c	?

shotgun(c: ?) → void

arg	type	description
c	?

energy(c: ?) → void

arg	type	description
c	?

fireCast(c: ?) → void

arg	type	description
c	?

iceCast(c: ?) → void

arg	type	description
c	?

stormCast(c: ?) → void

arg	type	description
c	?

toy(c: ?) → void

arg	type	description
c	?

throw(c: ?) → void

arg	type	description
c	?

frost(c: ?) → void

arg	type	description
c	?

splash(c: ?) → void

arg	type	description
c	?

foam(c: ?) → void

arg	type	description
c	?

slash(c: ?) → void

arg	type	description
c	?

energy(c: ?) → void

arg	type	description
c	?

kinds(category: string?) → void

Public Sorted kind names. With a category ("flash", "tracer", "beam", "trail", "orb", "burst") only that category's; without one, every distinct name.

arg	type	description
category	string?

looks( ) → void

makeCtx(pos: any, dir: any, look: string, opts: any) → FlashCtx

arg	type	description
pos	any
dir	any
look	string
opts	any

flash(kind: string, pos: vector, dir: vector, opts: { look: string?, scale: number?, color: { number }? }?) → boolean

A short muzzle / cast effect at `pos` facing `dir`.

arg	type	description
kind	string
pos	vector
dir	vector
opts	{ look: string?, scale: number?, color: { number }? }?

tracer(from: vector, to: vector, opts: { look: string?, speed: number?, width: number?, color: { number }? }?) → boolean

A fast streak travelling from `from` to `to`.

arg	type	description
from	vector
to	vector
opts	{ look: string?, speed: number?, width: number?, color: { number }? }?

noopBeam( ) → BeamHandle

set(_self: BeamHandle, _from: vector, _to: vector) → void

arg	type	description
_self	BeamHandle
_from	vector
_to	vector

stop(_self: BeamHandle) → void

arg	type	description
_self	BeamHandle

active(_self: BeamHandle) → void

arg	type	description
_self	BeamHandle

beam(opts: { kind: string, look: string? }) → BeamHandle

A continuous beam the caller updates every frame with handle:set(from, to). A beam nobody sets for BEAM_TIMEOUT seconds stops by itself.

arg	type	description
opts	{ kind: string, look: string? }

set(_self: BeamHandle, from: vector, to: vector) → void

arg	type	description
_self	BeamHandle
from	vector
to	vector

stop(_self: BeamHandle) → void

arg	type	description
_self	BeamHandle

active(_self: BeamHandle) → void

arg	type	description
_self	BeamHandle

noopTrail( ) → TrailHandle

stop(_self: TrailHandle) → void

arg	type	description
_self	TrailHandle

active(_self: TrailHandle) → void

arg	type	description
_self	TrailHandle

trail(target: any, opts: { kind: string, look: string? }) → TrailHandle

A trail following `target` until handle:stop() or the entity is gone.

arg	type	description
target	any
opts	{ kind: string, look: string? }

stop(_self: TrailHandle) → void

arg	type	description
_self	TrailHandle

active(_self: TrailHandle) → void

arg	type	description
_self	TrailHandle

orb(kind: string, opts: { look: string?, scale: number? }?) → any

A glowing projectile body: a plain local entity the caller moves and despawns. Its glow and flame shell follow it until it is despawned. An unknown kind or look answers an empty entity, so the caller's code runs.

arg	type	description
kind	string
opts	{ look: string?, scale: number? }?

burst(kind: string, pos: vector, normal: vector, opts: { look: string?, scale: number?, color: { number }? }?) → boolean

A weapon-specific impact at `pos` on a surface facing `normal`.

arg	type	description
kind	string
pos	vector
normal	vector
opts	{ look: string?, scale: number?, color: { number }? }?

stats( ) → void

live: particles, tracers, beams, trails and orbs alive now. pooled: instanced draws held for reuse (idle ones cost nothing per frame).

stopAll( ) → void

Stop every effect now (orb entities stay: the caller owns them, but their glow stops until a new orb is made).

_releasePools( ) → void

Tests: retire every instanced-draw pool this module holds (each draw is dropped before its buffers are freed). The next effect builds what it needs again. A test run frees the GPU buffers a suite made but not the draws over them, so the suite calls this after each test.

⌬ Types

BeamHandle = {TrailHandle = {

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vfx

vfx

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