spacecraft-cli

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Let's build a rocket together! Our rocket, Spacecraft, is a simple CLI Project made with typescript

spacecraft-cli 최신버젼 다운로드

최종 버전 다운로드 (.zip)

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# Spacecraft-CLI

[![Spacecraft CI](https://github.com/pyymenta/spacecraft-cli/actions/workflows/build.yml/badge.svg)](https://github.com/pyymenta/spacecraft-cli/actions/workflows/build.yml)
[![License](https://img.shields.io/github/license/pyymenta/spacecraft-cli)](https://github.com/pyymenta/spacecraft-cli/blob/master/LICENSE)
[![GitHub contributors](https://img.shields.io/github/contributors/pyymenta/spacecraft-cli)](https://github.com/pyymenta/spacecraft-cli/graphs/contributors)
[![npm version](https://img.shields.io/npm/v/spacecraft-app-cli.svg?style=flat)](https://www.npmjs.com/package/spacecraft-app-cli)

A simple CLI to solve the Spacecraft Problem, made with [TypeScript](https://www.typescriptlang.org/)

Let's build a rocket together!

![Image of a rocket](https://raw.githubusercontent.com/pyymenta/spacecraft-cli/main/images/rocket.jpg)

## The Problem

Say, the Canadian Space Agency is building an unmanned spacecraft that’ll go to the moon.

![To the moon](https://i.imgur.com/15vvnfN.png)

Here’s some more info about the project.

* The ship’s starting coordinates are `(0, 0)`, which is on Earth.
* The ship’s final destination is `(0, 250)`, which is on the moon.
* The ship will be controlled over a CLI using a standard keyboard as follows:

* The ship starts at `(0, 0)` at 0 speed, i.e. at complete rest.
The ship only moves when a valid key is pressed.
* Pressing `W` increases the ship’s speed and then moves it forward by speed units.
  * The ship’s maximum speed is 5.
* Pressing `S` decreases the ship’s speed and then moves it forward by speed units.
  * The ship’s minimum speed is 0.
  * After launch, the ship cannot go below speed 1, i.e. it always moves forward until it reaches the moon.

* Pressing `A` and `D` move the ship left and right by one unit respectively.
* The ship also moves forward by speed units.

## Problem

Write a CLI program in your preferred language to simulate the above spacecraft. Display output as follows:

* Begin with `(0, 0) ready for launch`.
* After every movement, display the updated position.
* If the ship goes more than 5 points to the left/right, display `wrong trajectory`.
* If the ship tries to decrease the speed below 1, display `minimum speed`.
* If the ship tries to increase the speed over 5, display `maximum speed`.
* When the ship reaches `(0, 250)` display `on the moon`.
* If the ship goes beyond 250 on the y-axis, display `contact lost`.

## Demo

![Demo Example](https://raw.githubusercontent.com/pyymenta/spacecraft-cli/main/images/demo.gif)

## Sample output

```none
(0, 0) # Begin with original position.
(0, 1) # W increases the speed to 1 and moves forward.
(0, 3) # W increases the speed to 2 and moves forward.
(-1, 5) # A moves the ship left and forward.
(0, 7) # D moves the ship right and forward.
(0, 8) # S decreases the speed to 1 and moves forward.
...
(0, 250) on the moon # Ship reaches the moon
```

## Install Globally

```sh
npm i -g spacecraft-app-cli
```

or

You can run directly with `npx`

```sh
npx spacecraft-app-cli
```

## Getting started - Local Development

### Requirements

* NodeJS 16.0.0
* Npm 7.10.0

See [nvm](https://github.com/nvm-sh/nvm) or [asdf](https://github.com/asdf-vm/asdf-nodejs)

### Installation

To get started locally, follow these instructions:

1. Clone to your local computer using `git`.
2. Make sure you have Node installed; see instructions [here](https://nodejs.org/en/download/).

### Usage

```sh
# starts 🚀 on coordinates (0,0) - Earth
yarn start

# Use W, A, S, or D  to starting control 🚀 .
```

### Build the CLI bundle

```sh
yarn build
```

### Run tests

```sh
yarn test
```

## Contributors

## Docs

- [Contribution Guidelines](./docs/contributor-guidelines.md)

## License

Spacecraft is licensed under the [MIT](LICENSE) license.

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