Amy Parent amyinorbit

Avionics simulation software engineer for Laminar Research (X-Plane) and freelance. I used to study brown dwarf atmospheres and weather.

amyinorbit / nav_utils.c

Last active February 17, 2022 11:13

Basic functions needed to compute along- and cross-track error, using acfutils

	//===--------------------------------------------------------------------------------------------===
	// nav_utils.c - navigation utilities using acfutils
	//
	// Created by Amy Parent <[email protected]>
	// Copyright (c) 2022 Amy Parent
	// Licensed under the MIT License
	//===--------------------------------------------------------------------------------------------===
	#include <acfutils/geom.h>
	#include <acfutils/assert.h>

amyinorbit / query_engine.cpp

Created December 10, 2019 17:04

	//
	// main.cpp
	// formatter
	//
	// Created by Amy Parent on 12/10/2019.
	// Copyright © 2019 Amy Parent. All rights reserved.
	//

	#include <iostream>
	#include <fstream>

amyinorbit / crew_dragon_reentry.py

Created March 6, 2019 22:17

Basic 2D simulation of lifting body spacecraft reentry

	#!/usr/bin/env python3

	import numpy as np
	from matplotlib import pyplot as plt
	import matplotlib

	### 130m/s deorbit burn from a 410km*410km orbit ###
	#
	# periapsis: -31.87 km
	# speed at EI: 7870.71 m/s

amyinorbit / reentry.py

Created October 11, 2018 22:00

	#!/usr/bin/env python3

	import numpy as np
	from matplotlib import pyplot as plt

	# Parachute data:
	# http://www.laboratoridenvol.com/space/gnusoyuz/gnusoyuz.en.html
	#
	# Timings
	# http://russianspaceweb.com/soyuz-ms-10.html#scenario

amyinorbit / orbit_stringpool_1.c

Created April 22, 2018 21:21

Naive, 20-minute string pool for the orbit compiler. Probably needs better indexing than what is currently implemented

	#include <stdio.h>
	#include <stdlib.h>
	#include <string.h>
	#include <stdint.h>
	#include <stdbool.h>

	typedef uint32_t StringID;

	typedef struct _String String;
	typedef struct _StringPool StringPool;

amyinorbit / test.orbit

Last active September 28, 2017 15:41

Orbit AST Tests

	fun fibonacci(n: Number) -> Number {
	if n < 2 {
	return 1
	}
	return fibonacci(n-2) + fibonacci(n-1)
	}

	fun main() -> Void {
	print("OrbitVM running on " + System.getOS())
	print("Fibonacci demo:")

amyinorbit / wpa_supplicant.conf

Last active September 15, 2017 18:20

Abertay Eduroam RPi WiFi Config

	ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
	update_config=1
	country=GB


	network={
	ssid="eduroam"
	key_mgmt=WPA-EAP
	identity="ABERTAY STUDENT NO"
	password="ABERTAY PASSWORD"

amyinorbit / new_shepard.ks

Created August 21, 2016 10:38

(badly commented and organised) autopilot code for New Shepard - Style landing in KSP

	declare function neutral {
	return ship:mass*9.81 / ship:availablethrust.
	}

	declare function limits {
	declare parameter value.
	return min(max(value, 0), 1.0).
	}

	declare function steer_iip {

amyinorbit / php-fuckery.php

Created June 25, 2014 12:19

Type conversion in php

	<?php
	$a = "";
	var_dump(($a == null)); //outputs false
	var_dump(($a === null)); //outputs true
	var_dump(is_null($a)); //outputs true


	$b;
	var_dump(($b == null)); //outputs true
	var_dump(($b === null)); //outputs true

amyinorbit / search.js

Last active January 2, 2016 14:29

Recherche dans search.json

	var searchIndex = null;
	var results = [];

	jQuery(document).ready(function() {
	Search.getSearchIndex();
	jQuery('#s').keyup(function() {
	// get search term
	var search_term = jQuery(this).val().toLowerCase();
	// run the search
	Search.doSearch(search_term);