adam-zethraeus’s gists

Matt54 / MarchingCubesParams.h

Last active September 22, 2025 17:20

Marching Cubes Metaballs in RealityKit (Metal + LowLevelMesh)

	#ifndef MarchingCubesParams_h
	#define MarchingCubesParams_h
	#include <simd/simd.h>

	struct MarchingCubesParams {
	simd_uint3 cells;
	simd_float3 origin;
	simd_float3 cellSize;
	float isoLevel;
	simd_float3 centerA;

rorydbain / worktree-manager.zsh

Last active December 3, 2025 07:31

	#!/usr/bin/env zsh
	# Multi-project worktree manager with Claude support
	#
	# ASSUMPTIONS & SETUP:
	# - Your git projects live in: ~/projects/
	# - Worktrees will be created in: ~/projects/worktrees/<project>/<branch>
	# - New branches will be named: <your-username>/<feature-name>
	#
	# DIRECTORY STRUCTURE EXAMPLE:
	# ~/projects/

markmals / *Pointer.swift

Last active November 12, 2024 16:44

An approximation of Rust & C++ smart pointers in Swift with non-copyable types

	public protocol Pointer<Pointee>: ~Copyable {
	associatedtype Pointee
	var pointee: Pointee { get nonmutating set }
	}


	public struct UniquePointer<Pointee>: ~Copyable, Pointer {
	private let memory: UnsafeMutablePointer<Pointee>
	public var pointee: Pointee {
	get { memory.pointee }

markmals / ReferenceSet.swift

Last active November 12, 2024 16:46

Vanilla Reactive System

	// A reference type Set
	private final class ReferenceSet<Element: Hashable>: Hashable, Collection {
	typealias Element = Element
	typealias Iterator = Set<Element>.Iterator
	typealias Index = Set<Element>.Index
	typealias Indices = Set<Element>.Indices
	typealias SubSequence = Set<Element>.SubSequence

	private var inner = Set<Element>()

robert-cronin / concatenate_repo.sh

Last active September 12, 2025 13:06

A script for concatenating all the files of a git repo into one file which you can feed into large context LLMs for understanding dependencies

	#!/bin/bash

	# Check if the script received the correct number of arguments
	if [ "$#" -ne 2 ]; then
	echo "Usage: $0 <repo_path> <output_file>"
	exit 1
	fi

	REPO_PATH=$1
	OUTPUT_FILE=$2

ole / swift-has-feature.sh

Last active December 6, 2025 06:53

swift-list-features: List Swift compiler upcoming and experimental feature flags. If you're using Swift 6.2 or later, `swift -print-supported-features` does something very similar, but only for the compiler version you have installed. · swift-has-feature: Check if a given compiler knows a specific feature flag, and whether it's an upcoming or ex…

	#!/bin/zsh

	# Test if the Swift compiler knows about a particular language feature.
	#
	# Usage:
	#
	# swift-has-feature [--swift SWIFT_PATH] [--language-version LANGUAGE_VERSION] FEATURE
	#
	# The feature should be an upcoming or experimental language feature,
	# such as `"StrictConcurrency"` or `"ExistentialAny"`.

realvjy / ChoasLinesShader.metal

Last active December 8, 2025 22:02

Choas Lines - Metal Shader

	// Lines
	float hash( float n ) {
	return fract(sin(n)*753.5453123);
	}

	// Slight modification of iq's noise function.
	float noise(vector_float2 x )
	{
	vector_float2 p = floor(x);
	vector_float2 f = fract(x);

markmals / signals.swift

Last active March 24, 2024 06:02

An implementation of Solid.js's signals API using Swift's @observable macro

	import Foundation
	import Observation

	@Observable
	final class Signal<T> {
	var value: T

	init(value: T) {
	self.value = value
	}

dkun7944 / CDView.swift

Last active September 28, 2025 06:34

SwiftUI + Swift.Shader CD

	//
	// CDView.swift
	// CD
	//
	// Created by Daniel Kuntz on 7/3/23.
	//

	import SwiftUI

	struct ShapeWithHole: Shape {

kylemcdonald / function-calling.ipynb

Created June 14, 2023 01:10

Example of OpenAI function calling API to extract data from LAPD newsroom articles.

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