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Commit ec8c0c3e authored by Brady James Garvin's avatar Brady James Garvin
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.eslintrc 0 → 100755
+ 259
− 0
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{
"env": {
"es6": true,
"browser": true,
"jquery": true,
},
"rules": {
"no-await-in-loop": "warn",
"no-compare-neg-zero": "warn",
"no-cond-assign": "warn",
"no-console": "off",
"no-constant-condition": "warn",
"no-control-regex": "warn",
"no-debugger": "warn",
"no-dupe-args": "warn",
"no-dupe-keys": "warn",
"no-duplicate-case": "warn",
"no-empty": "warn",
"no-empty-character-class": "warn",
"no-ex-assign": "warn",
"no-extra-boolean-cast": "warn",
"no-extra-parens": ["warn", "all", {
"nestedBinaryExpressions": false,
}],
"no-extra-semi": "warn",
"no-func-assign": "warn",
"no-inner-declarations": "warn",
"no-invalid-regexp": "warn",
"no-irregular-whitespace": "warn",
"no-obj-calls": "warn",
"no-prototype-builtins": "warn",
"no-regex-spaces": "warn",
"no-sparse-arrays": "warn",
"no-template-curly-in-string": "warn",
"no-unexpected-multiline": "warn",
"no-unreachable": "warn",
"no-unsafe-finally": "warn",
"no-unsafe-negation": "warn",
"use-isnan": "warn",
"valid-jsdoc": "warn",
"valid-typeof": "warn",
"accessor-pairs": "warn",
"array-callback-return": "warn",
"block-scoped-var": "warn",
"class-methods-use-this": "warn",
"complexity": "off",
"consistent-return": "warn",
"curly": "warn",
"default-case": "off",
"dot-location": "warn",
"dot-notation": "warn",
"eqeqeq": "warn",
"guard-for-in": "off", // see no-restricted-syntax
"no-alert": "warn",
"no-caller": "warn",
"no-case-declarations": "warn",
"no-div-regex": "warn",
"no-else-return": "warn",
"no-empty-function": "warn",
"no-empty-pattern": "warn",
"no-eq-null": "warn",
"no-eval": "warn",
"no-extend-native": "off",
"no-extra-bind": "warn",
"no-extra-label": "warn",
"no-fallthrough": "warn",
"no-floating-decimal": "warn",
"no-global-assign": "warn",
"no-implicit-coercion": "warn",
"no-implicit-globals": "off",
"no-implied-eval": "warn",
"no-invalid-this": "off",
"no-iterator": "warn",
"no-labels": "off",
"no-lone-blocks": "off",
"no-loop-func": "warn",
"no-magic-numbers": ["warn", {
"ignore": [-1, 0, 0.001, 0.5, 1, 2, 10, 100, 180, 360, 1000],
"detectObjects": true,
}],
"no-multi-spaces": "warn",
"no-multi-str": "warn",
"no-new": "warn",
"no-new-func": "warn",
"no-new-wrappers": "warn",
"no-octal": "warn",
"no-octal-escape": "warn",
"no-param-reassign": "warn",
"no-proto": "warn",
"no-redeclare": "warn",
"no-restricted-properties": "warn",
"no-return-assign": "warn",
"no-return-await": "warn",
"no-script-url": "warn",
"no-self-assign": "warn",
"no-self-compare": "warn",
"no-sequences": "warn",
"no-throw-literal": "warn",
"no-unmodified-loop-condition": "warn",
"no-unused-expressions": "warn",
"no-unused-labels": "warn",
"no-useless-call": "warn",
"no-useless-concat": "warn",
"no-useless-escape": "warn",
"no-useless-return": "warn",
"no-void": "warn",
"no-warning-comments": "warn",
"no-with": "warn",
"prefer-promise-reject-errors": "warn",
"radix": "warn",
"require-await": "warn",
"vars-on-top": "off",
"wrap-iife": "warn",
"yoda": "warn",
"strict": ["warn", "never"],
"init-declarations": "warn",
"no-catch-shadow": "warn",
"no-delete-var": "warn",
"no-label-var": "warn",
"no-restricted-globals": "warn",
"no-shadow": "warn",
"no-shadow-restricted-names": "warn",
"no-undef": "warn",
"no-undef-init": "off",
"no-undefined": "off",
"no-unused-vars": ["warn", {
"varsIgnorePattern": "_+",
}],
"no-use-before-define": "warn",
"array-bracket-spacing": "warn",
"block-spacing": "warn",
"brace-style": "warn",
"camelcase": "warn",
"capitalized-comments": "off",
"comma-dangle": ["warn", "always-multiline"],
"comma-spacing": "warn",
"comma-style": "warn",
"computed-property-spacing": "warn",
"consistent-this": "warn",
"eol-last": "warn",
"func-call-spacing": "warn",
"func-name-matching": "warn",
"func-names": ["warn", "as-needed"],
"func-style": "off",
"id-blacklist": ["warn", "temp"],
"id-length": "off",
"id-match": "off",
"indent": ["warn", 2],
"jsx-quotes": "warn",
"key-spacing": "warn",
"keyword-spacing": "warn",
"line-comment-position": "off",
"linebreak-style": "warn",
"lines-around-comment": "off",
"lines-around-directive": "warn",
"max-depth": "off",
"max-len": "off",
"max-lines": "off",
"max-nested-callbacks": "off",
"max-params": "off",
"max-statements": "off",
"max-statements-per-line": "warn",
"multiline-ternary": "off",
"new-cap": "warn",
"new-parens": "warn",
"newline-after-var": "off",
"newline-before-return": "off",
"newline-per-chained-call": "off",
"no-array-constructor": "warn",
"no-bitwise": "off",
"no-continue": "off",
"no-inline-comments": "off",
"no-lonely-if": "warn",
"no-mixed-operators": "off",
"no-mixed-spaces-and-tabs": "warn",
"no-multi-assign": "warn",
"no-multiple-empty-lines": ["warn", {
"maxBOF": 0,
"max": 1,
"maxEOF": 0,
}],
"no-negated-condition": "off",
"no-nested-ternary": "off",
"no-new-object": "warn",
"no-plusplus": "off",
"no-restricted-syntax": ["warn", {
"selector": "ForInStatement",
"message": "for-in loop used (did you mean to write a for-of loop?)",
}, {
"selector": "BinaryExpression[operator='in']",
"message": "in operator used (did you mean to call a membership-testing method?)",
}],
"no-tabs": "warn",
"no-ternary": "off",
"no-trailing-spaces": "warn",
"no-underscore-dangle": ["warn", {
"allowAfterThis": true,
"allowAfterSuper": true,
}],
"no-unneeded-ternary": "warn",
"no-whitespace-before-property": "warn",
"nonblock-statement-body-position": "off", // see curly
"object-curly-newline": "warn",
"object-curly-spacing": "warn",
"object-property-newline": "warn",
"one-var": ["warn", "never"],
"one-var-declaration-per-line": "warn",
"operator-assignment": "warn",
"operator-linebreak": "warn",
"padded-blocks": ["warn", "never"],
"quote-props": ["warn", "as-needed"],
"quotes": ["warn", "single"],
"require-jsdoc": "off",
"semi": "warn",
"semi-spacing": "warn",
"sort-keys": "off",
"sort-vars": "off",
"space-before-blocks": "off",
"space-before-function-paren": ["warn", "never"],
"space-in-parens": "warn",
"space-infix-ops": "warn",
"space-unary-ops": "warn",
"spaced-comment": "warn",
"template-tag-spacing": "off",
"unicode-bom": "warn",
"wrap-regex": "off",
"arrow-body-style": "warn",
"arrow-parens": "warn",
"arrow-spacing": "warn",
"constructor-super": "warn",
"generator-star-spacing": ["warn", "neither"],
"no-class-assign": "warn",
"no-confusing-arrow": "off",
"no-const-assign": "warn",
"no-dupe-class-members": "warn",
"no-duplicate-imports": "warn",
"no-new-symbol": "warn",
"no-restricted-imports": "off",
"no-this-before-super": "warn",
"no-useless-computed-key": "warn",
"no-useless-constructor": "warn",
"no-useless-rename": "warn",
"no-var": "warn",
"object-shorthand": "warn",
"prefer-arrow-callback": "warn",
"prefer-const": "warn",
"prefer-destructuring": "off",
"prefer-numeric-literals": "warn",
"prefer-rest-params": "warn",
"prefer-spread": "warn",
"prefer-template": "warn",
"require-yield": "warn",
"rest-spread-spacing": "warn",
"sort-imports": "off",
"symbol-description": "warn",
"template-curly-spacing": "warn",
"yield-star-spacing": "warn",
},
}
.gitignore 0 → 100644
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*~
.idea
.stylelintrc 0 → 100755
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{
"defaultSeverity": "warning",
"rules": {
"at-rule-empty-line-before": [ "always", {
except: [
"blockless-after-same-name-blockless",
"first-nested",
],
ignore: ["after-comment"],
} ],
"at-rule-name-case": "lower",
"at-rule-name-space-after": "always-single-line",
"at-rule-semicolon-newline-after": "always",
"block-closing-brace-empty-line-before": "never",
"block-closing-brace-newline-after": "always",
"block-closing-brace-newline-before": "always-multi-line",
"block-closing-brace-space-before": "always-single-line",
"block-no-empty": true,
"block-opening-brace-newline-after": "always-multi-line",
"block-opening-brace-space-after": "always-single-line",
"block-opening-brace-space-before": "always",
"color-hex-case": "lower",
"color-hex-length": "short",
"color-no-invalid-hex": true,
"comment-empty-line-before": [ "always", {
except: ["first-nested"],
ignore: ["stylelint-commands"],
} ],
"comment-no-empty": true,
"comment-whitespace-inside": "always",
"custom-property-empty-line-before": [ "always", {
except: [
"after-custom-property",
"first-nested",
],
ignore: [
"after-comment",
"inside-single-line-block",
],
} ],
"declaration-bang-space-after": "never",
"declaration-bang-space-before": "always",
"declaration-block-no-duplicate-properties": [ true, {
ignore: ["consecutive-duplicates-with-different-values"],
} ],
"declaration-block-no-redundant-longhand-properties": true,
"declaration-block-no-shorthand-property-overrides": true,
"declaration-block-semicolon-newline-after": "always-multi-line",
"declaration-block-semicolon-space-after": "always-single-line",
"declaration-block-semicolon-space-before": "never",
"declaration-block-single-line-max-declarations": 1,
"declaration-block-trailing-semicolon": "always",
"declaration-colon-newline-after": "always-multi-line",
"declaration-colon-space-after": "always-single-line",
"declaration-colon-space-before": "never",
"declaration-empty-line-before": [ "always", {
except: [
"after-declaration",
"first-nested",
],
ignore: [
"after-comment",
"inside-single-line-block",
],
} ],
"font-family-no-duplicate-names": true,
"function-calc-no-unspaced-operator": true,
"function-comma-newline-after": "always-multi-line",
"function-comma-space-after": "always-single-line",
"function-comma-space-before": "never",
"function-linear-gradient-no-nonstandard-direction": true,
"function-max-empty-lines": 0,
"function-name-case": "lower",
"function-parentheses-newline-inside": "always-multi-line",
"function-parentheses-space-inside": "never-single-line",
"function-whitespace-after": "always",
"indentation": 2,
"keyframe-declaration-no-important": true,
"length-zero-no-unit": true,
"max-empty-lines": 1,
"media-feature-colon-space-after": "always",
"media-feature-colon-space-before": "never",
"media-feature-name-case": "lower",
"media-feature-name-no-unknown": true,
"media-feature-parentheses-space-inside": "never",
"media-feature-range-operator-space-after": "always",
"media-feature-range-operator-space-before": "always",
"media-query-list-comma-newline-after": "always-multi-line",
"media-query-list-comma-space-after": "always-single-line",
"media-query-list-comma-space-before": "never",
"no-empty-source": true,
"no-eol-whitespace": true,
"no-extra-semicolons": true,
"no-invalid-double-slash-comments": true,
"no-missing-end-of-source-newline": true,
"number-leading-zero": "always",
"property-case": "lower",
"property-no-unknown": true,
"rule-empty-line-before": [ "always-multi-line", {
except: ["first-nested"],
ignore: ["after-comment"],
} ],
"selector-attribute-brackets-space-inside": "never",
"selector-attribute-operator-space-after": "never",
"selector-attribute-operator-space-before": "never",
"selector-combinator-space-after": "always",
"selector-combinator-space-before": "always",
"selector-descendant-combinator-no-non-space": true,
"selector-list-comma-newline-after": "always",
"selector-list-comma-space-before": "never",
"selector-max-empty-lines": 0,
"selector-pseudo-class-case": "lower",
"selector-pseudo-class-no-unknown": true,
"selector-pseudo-class-parentheses-space-inside": "never",
"selector-pseudo-element-case": "lower",
"selector-pseudo-element-colon-notation": "double",
"selector-pseudo-element-no-unknown": true,
"selector-type-case": "lower",
"selector-type-no-unknown": true,
"shorthand-property-no-redundant-values": true,
"string-no-newline": true,
"unit-case": "lower",
"unit-no-unknown": true,
"value-list-comma-newline-after": "always-multi-line",
"value-list-comma-space-after": "always-single-line",
"value-list-comma-space-before": "never",
"value-list-max-empty-lines": 0,
},
}
.tern-project 0 → 100755
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{
"ecmaVersion": 6,
"libs": [
"browser",
"jquery"
],
"loadEagerly": [],
"dontLoad": [
"node_module/**"
],
"plugins": {
"doc_comment": true,
"complete_strings": {
"maxLength": 15
}
}
}
\ No newline at end of file
css/index.css 0 → 100644
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p.rocket,
p.delta-v,
p.assessment {
white-space: pre-wrap;
}
index.html 0 → 100644
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<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Rocket Science</title>
<link rel="stylesheet" type="text/css" href="css/index.css">
</head>
<body>
<div id="human-design">
<h1>Human Design:</h1>
<p class="rocket"></p>
<p class="delta-v"></p>
<p class="assessment"></p>
</div>
<div id="computer-design">
<h1>Computer Design:</h1>
<p class="rocket"></p>
<p class="delta-v"></p>
<p class="assessment"></p>
</div>
<script src="libraries/jquery/jquery.min.js"></script>
<script src="js/priority_queue.js"></script>
<script src="js/rocket_science.js"></script>
<script src="js/index.js"></script>
</body>
</html>
js/index.js 0 → 100644
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/* globals Separator FuelTank Motor Stage Rocket designRocket */
/* eslint-disable no-magic-numbers */
function describeDeltaV(deltaV) {
if (deltaV >= 20000) {
return 'Mars';
}
if (deltaV >= 16000) {
return 'low Mars orbit';
}
if (deltaV >= 14600) {
return 'a Mars capture orbit';
}
if (deltaV >= 13700) {
return 'a Mars transfer orbit';
}
if (deltaV >= 9400) {
return 'low Earth orbit';
}
if (deltaV >= 1400) {
return 'the edge of space';
}
if (deltaV > 0) {
return 'suborbital flight';
}
return 'the launch pad (but not off of it)';
}
const EARTH_TO_SPACE_DELTA_V = 1400;
const EARTH_TO_LEO_DELTA_V = 9400;
const EARTH_TO_MARS_DELTA_V = 20000;
const PAYLOAD_MASS = 1000;
const SEPARATORS = [
new Separator(130, 3000),
new Separator(500, 24000),
new Separator(1000, 60000),
];
const FUEL_TANKS = [
new FuelTank(500, 1500),
new FuelTank(3000, 12000),
new FuelTank(4000, 50000),
];
const MOTORS = [
new Motor(20, 20, 150000),
new Motor(180, 70, 500000),
new Motor(850, 75, 700000),
];
const humanDesignedRocket = new Rocket(PAYLOAD_MASS, [
new Stage(1, SEPARATORS[0], FUEL_TANKS[0], MOTORS[2]),
new Stage(2, SEPARATORS[2], FUEL_TANKS[1], MOTORS[0]),
]);
$('#human-design .rocket').text(`${humanDesignedRocket}`);
$('#human-design .delta-v').text(`Effective Δv (accounting for fixed gravity): ${humanDesignedRocket.getEffectiveDeltaV()} m/s`);
$('#human-design .assessment').text(`This rocket can get to ${describeDeltaV(humanDesignedRocket.getEffectiveDeltaV())}.`);
const computerDesignedRocket = designRocket(PAYLOAD_MASS, SEPARATORS, FUEL_TANKS, MOTORS, EARTH_TO_LEO_DELTA_V); // EARTH_TO_SPACE_DELTA_V);
if (computerDesignedRocket !== undefined) {
$('#computer-design .rocket').text(`${computerDesignedRocket}`);
$('#computer-design .delta-v').text(`Effective Δv (accounting for fixed gravity): ${computerDesignedRocket.getEffectiveDeltaV()} m/s`);
$('#computer-design .assessment').text(`This rocket can get to ${describeDeltaV(computerDesignedRocket.getEffectiveDeltaV())}.`);
} else {
$('#computer-design .rocket').text('The computer failed to design a rocket.');
$('#computer-design .delta-v').text('Effective Δv (accounting for fixed gravity): N/A');
$('#computer-design .assessment').text('This rocket cannot even get onto the drawing board.');
}
js/priority_queue.js 0 → 100644
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/* exported PriorityQueue */
/* globals identity */
Array.prototype.indexOfMinimum = function indexOfMinimum(metric = identity) {
let index = undefined;
for (let i = this.length, minimum = Infinity; i--;) {
const measure = metric(this[i]);
if (measure <= minimum) {
index = i;
minimum = measure;
}
}
return index;
};
Array.prototype.remove = function remove(index) {
return index >= 0 ? this.splice(index, 1)[0] : undefined;
};
Array.prototype.delete = function(element) { // eslint-disable-line func-names, (reserved word)
this.remove(this.indexOf(element));
return this;
};
class PriorityQueue {
constructor(metric = identity) {
this.metric = metric;
this.elements = [];
}
_getNextIndex() {
return this.elements.indexOfMinimum(this.metric);
}
peek() {
const nextIndex = this._getNextIndex();
return nextIndex !== undefined ? this.elements[nextIndex] : undefined;
}
enqueue(element) {
this.elements.push(element);
}
dequeue() {
return this.elements.remove(this._getNextIndex());
}
delete(element) {
this.elements.delete(element);
}
}
js/rocket_science.js 0 → 100644
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/* exported Separator FuelTank Motor Stage Rocket designRocket */
/* globals PriorityQueue */
const EARTH_SURFACE_GRAVITY = 9.81;
class Separator {
constructor(mass, maximumLoad) {
this.mass = mass;
this.maximumLoad = maximumLoad;
}
toString() {
return `${this.mass} kg separator (${this.maximumLoad} kg max load)`;
}
}
class FuelTank {
constructor(dryMass, fuelMass) {
this.dryMass = dryMass;
this.fuelMass = fuelMass;
}
toString() {
return `${this.dryMass + this.fuelMass} kg fuel tank (${this.fuelMass} kg fuel)`;
}
}
class Motor {
constructor(mass, burnRate, thrust) {
this.mass = mass;
this.burnRate = burnRate;
this.thrust = thrust;
}
toString() {
return `${this.mass} kg motor (${this.thrust} N thrust)`;
}
}
class Stage {
constructor(count, separator, tank, motor) {
console.assert(separator.maximumLoad >= tank.dryMass + tank.fuelMass + motor.mass, `${separator} cannot support ${tank} and ${motor}`);
this.count = count;
this.separator = separator;
this.tank = tank;
this.motor = motor;
}
get dryMass() {
return this.count * (this.separator.mass + this.tank.dryMass + this.motor.mass);
}
get fuelMass() {
return this.count * this.tank.fuelMass;
}
get wetMass() {
return this.count * (this.separator.mass + this.tank.dryMass + this.tank.fuelMass + this.motor.mass);
}
get burnRate() {
return this.count * this.motor.burnRate;
}
get thrust() {
return this.count * this.motor.thrust;
}
getEffectiveDeltaV(payloadMass, gravity = EARTH_SURFACE_GRAVITY) {
const effectiveDryMass = payloadMass + this.dryMass;
const effectiveWetMass = effectiveDryMass + this.fuelMass;
return (this.thrust * (Math.log(effectiveWetMass) - Math.log(effectiveDryMass)) - gravity * this.fuelMass) / this.burnRate;
}
toString() {
return `${this.count}✕ [${this.separator}, ${this.tank}, and ${this.motor}]`;
}
}
class Rocket {
constructor(payloadMass, stages) { // stages should be given in reverse order of firing
this.payloadMass = payloadMass;
this.stages = stages;
}
get mass() {
let result = this.payloadMass;
for (const stage of this.stages) {
result += stage.wetMass;
}
return result;
}
getEffectiveDeltaV(gravity = EARTH_SURFACE_GRAVITY) {
let result = 0;
let stagePayloadMass = this.payloadMass;
for (const stage of this.stages) {
result += stage.getEffectiveDeltaV(stagePayloadMass, gravity);
stagePayloadMass += stage.wetMass;
}
return result;
}
toString() {
let result = `${this.mass} kg, ${this.stages.length}-stage rocket:\n ${this.payloadMass} kg payload`;
for (const stage of this.stages) {
result += `\n ← ${stage}`;
}
return result;
}
}
function designRocket(payloadMass, separators, tanks, motors, targetDeltaV, gravity = EARTH_SURFACE_GRAVITY) {
return undefined; // TODO: stub
}
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