Lua Utility Functions

dapetcu21 · March 12, 2022, 5:25pm

Here’s a bunch of stuff I collected over the years:

critique-gaming/crit/blob/master/crit/table_util.lua

--- Table manipulation utilities.
-- @module crit.table_util
-- @todo

local M = {}

M.unpack = unpack or table.unpack

local function deep_clone(t, transformer, iter)
  if transformer then
    t = transformer(t)
  end

  iter = iter or pairs

  if type(t) ~= "table" then
    return t
  end

  local new_t = {}

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Also, a good animation tool I’ve found useful are low-pass filters for creating snapping effects or smoothing out movements:

https://github.com/critique-gaming/crit/blob/master/crit/filters.lua