Jon bytejon
bytejon
/ reuse_thread.luau
Last active
January 8, 2026 21:33
Luau utility for general purpose thread reuse with a more efficient approach than standard. This can be made more efficient if applied to specific domains, like signaling.
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| -- jonbyte, 2026 | |
| local queue = {} :: array<{ | |
| fn: callback, | |
| args: argpack | |
| }> | |
| local active = false | |
| local index = 1 | |
| local epoch = 0 | |
| local thread: thread? |
bytejon
/ multi_split.luau
Last active
January 9, 2026 18:03
Luau utility for string.split behavior with support for more than one delimiter
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| -- jonbyte, 2026 | |
| local function split( | |
| input: string, -- string to be split | |
| sep: { string }, -- array of separator strings | |
| include: true? -- if separators should be included in result | |
| ) | |
| if #sep == 0 then | |
| -- early exit: there is nothing to split the string | |
| return { input } |
bytejon
/ fastDequeue.luau
Last active
August 30, 2025 21:06
A small utility for dequeuing items from an array (FIFO) but with the speed of a stack-based O(1) removal. Shifting is avoided with swaps. The queue is assumed to not add anymore items.
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| -- queue: (assumed to not add anymore items mid-dequeue) | |
| -- length: the initial length of the queue | |
| local function fastDequeue(queue, length) | |
| local k = #queue | |
| local i = math.min(k, length - k + 1) | |
| queue[i], queue[k] = queue[k], queue[i] | |
| local v = queue[k] | |
| queue[k] = nil | |
| return v | |
| end |
bytejon
/ entity_system.luau
Created
March 24, 2025 13:08
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| --!strict | |
| -- jonbyte, 2025 | |
| -- types | |
| type Int = number | |
| type i53 = Int | |
| type Type = Int | |
| type Index = Int | |
| type Map<K, V> = { [K]: V } | |
| type Array<V> = Map<Int, V> |
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| -- jonbyte, 2024 | |
| -- approximate a kelvin temperature as RGB | |
| -- the result of messing around with equations and seeing the results | |
| local R, G, B = 560, 530, 420 -- sample wavelengths | |
| local c = 299792458 -- speed of light (m/s) | |
| local h = 6.62607015e-34 -- planck constant | |
| local k = 1.380649e-23 -- boltzmann constant | |
| local vec0 = vector.create(0, 0, 0) |