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@munrocket
munrocket / wgsl_noise.md
Last active April 26, 2025 07:05
WGSL Noise Algorithms

WGSL Noise Algorithms

Good and fast integer hash

// https://www.pcg-random.org/
fn pcg(n: u32) -> u32 {
    var h = n * 747796405u + 2891336453u;
    h = ((h >> ((h >> 28u) + 4u)) ^ h) * 277803737u;
    return (h >> 22u) ^ h;
}
(ns ansible.core
(:require [clojure.java.shell :as sh]
[clojure.string :as str]
[cheshire.core :as cheshire]
[clojure.java.io :as io])
(:import (java.io File)
(com.fasterxml.jackson.core JsonGenerator)
(java.util Base64)
(java.security MessageDigest MessageDigest$Delegate)))
@mattiaslundberg
mattiaslundberg / arch-linux-install
Last active February 10, 2025 13:16
Minimal instructions for installing arch linux on an UEFI system with full system encryption using dm-crypt and luks
# Install ARCH Linux with encrypted file-system and UEFI
# The official installation guide (https://wiki.archlinux.org/index.php/Installation_Guide) contains a more verbose description.
# Download the archiso image from https://www.archlinux.org/
# Copy to a usb-drive
dd if=archlinux.img of=/dev/sdX bs=16M && sync # on linux
# Boot from the usb. If the usb fails to boot, make sure that secure boot is disabled in the BIOS configuration.
# Set swedish keymap