aglitchman’s gists

aglitchman / smooth_damp.lua

Created November 15, 2025 10:58

Smooth damping for Defold

	local M = {}

	--- Gradually changes a value towards a desired goal over time.
	-- This function provides smooth damping interpolation, useful for creating smooth camera movements,
	-- UI animations, or any value that needs to smoothly approach a target.
	-- Based on Game Programming Gems 4, pp. 98-101.
	-- @param a number Current value
	-- @param b number Target value
	-- @param cur_velocity number Current velocity
	-- @param smooth_time number Approximate time it will take to reach the target

aglitchman / ff_unique_symbols.js

Last active May 18, 2023 22:42

NodeJS script to generate FF script to keep in the font required characters only

	/*
	USAGE:

	1. RUN:
	node ff_unique_symbols.js

	2. Copy the result, i.e. the FF script.
	3. Open a font in FontForge
	4. File -> Execute Script
	5. In the popup select FF, paste the script.

aglitchman / build_with_liveupdate.sh

Created November 15, 2022 12:59

Example script of how to build Defold game for HTML5 with Live Update resources and move them to the destination directory

	#!/bin/bash

	# ⚠⚠⚠ Run the script from the root directory of your project!

	# Requires: curl, jq, wget, awk, java >=11
	# macOS: brew install jq awk wget openjdk@11
	# Ubuntu/Debian/WSL: sudo apt install --no-install-recommends jq wget openjdk-11-jre-headless

	# Stop on errors
	set -e

aglitchman / device.lua

Last active October 25, 2025 08:24

Detect operating system (iOS, Android, Blackberry, Windows, Firefox OS, MeeGo), orientation (Portrait vs. Landscape), and type (Tablet vs. Mobile). Lua module for the Defold game engine.

	-- Based on the device.js module: https://github.com/matthewhudson/current-device
	-- MIT License
	--
	-- Usage:
	-- local device = require("device")
	-- if device.type == "mobile" then
	-- -- do something!
	-- end
	--
	-- Or:

aglitchman / convert_sound.editor_script

Last active April 13, 2023 13:04

Convert to Ogg Vorbis - editor script for Defold

	-- 1. Put this script into your project's dir as `convert_sound.editor_script` (the extension is important!)
	-- 2. Click "Project / Reload Editor Scripts"
	-- 3. Download the latest ffmpeg from https://www.gyan.dev/ffmpeg/builds/ffmpeg-release-full.7z or
	-- from https://ffmpeg.org/download.html for other platforms
	-- 4. Put ffmpeg executable into FFMPEG_LOCATION or modify the FFMPEG_LOCATION path
	-- 5. Tune output audio file quality:
	-- Range is -1.0 to 10.0, where 10.0 is highest quality.
	-- Default is 3 with a target of 112kbps, and it's enough for the most games.
	-- The formula 16×(q+4) is used below 4, 32×q is used below 8, and 64×(q-4) otherwise.
	-- Examples: 112=16×(3+4), 160=32×5, 200=32×6.25, 384=64×(10-4).

aglitchman / compile_shader.editor_script

Last active November 30, 2021 15:02

Editor script for Defold IDE. The script adds the menu items "Compile Fragment Shader" and "Compile Vertex Shader" for .fp/.vp files.

	-- Download and install Arm Mobile Studio from
	-- https://developer.arm.com/tools-and-software/graphics-and-gaming/arm-mobile-studio/components/mali-offline-compiler

	local M = {}

	local function ends_with(str, ending)
	return ending == "" or str:sub(-#ending) == ending
	end

	function M.get_commands()

aglitchman / defold_ie11_support.html

Last active April 16, 2020 10:17

Defold recently dropped support of Internet Explorer 11 for HTML5 builds. If you want to run your game on IE11 then add this code to your engine_template.html right after the <body> tag. Tested on Defold 1.2.167. Changelog: 2020-04-16 - Added "resume" implementation for AudioContext for Edge ≤18, Chrome <41, Firefox <40 browsers.

	<script id="old-browser-support">
	if (!(navigator.getGamepads \|\| navigator.webkitGetGamepads)) {
	navigator.getGamepads = function() { return []; };
	}
	if (!(window.AudioContext \|\| window.webkitAudioContext)) {
	window.AudioContext = function() {
	this.sampleRate = 44100;
	this.destination = 0;
	this.currentTime = 0;
	this.state = "running";

aglitchman / test_emcc1_llvm31.js

Created July 17, 2012 00:59

JS output by emscripten, LLVM 3.1 + LLVM 3.2

	// Note: Some Emscripten settings will significantly limit the speed of the generated code.
	// Note: Some Emscripten settings may limit the speed of the generated code.
	// TODO: " u s e s t r i c t ";

	try {
	this['Module'] = Module;
	} catch(e) {
	this['Module'] = Module = {};
	}

Artsiom Trubchyk aglitchman