From a806fa7ec1e66a23bdda5cde7075830095740fa8 Mon Sep 17 00:00:00 2001
From: Tom Black <blacktm@gmail.com>
Date: Sun, 4 Oct 2015 20:37:46 -0400
Subject: Adding README

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 README.md | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 README.md

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+# Welcome to Ruby 2D!
+
+This is the Ruby 2D gem. [Check out the website](http://www.ruby2d.com) for help getting started, documentation, news, and more.
+
+## Running Tests
+
+### Getting the Test Media
+
+To keep the size of this repository small, media needed for tests are checked into the Simple 2D [`test_media`](https://github.com/simple2d/test_media) repo and referenced as a [Git submodule](http://git-scm.com/book/en/v2/Git-Tools-Submodules). After cloning this repo, init the submodule and get its contents by using:
+
+```bash
+git submodule init
+git submodule update --remote
+```
+
+Alternatively, you can clone the repo and update the submodule in one step:
+
+```bash
+git clone --recursive https://github.com/ruby2d/ruby2d.git
+```
+
+Simply run `git submodule update --remote` anytime to get the latest changes from `test_media` (i.e. when there's a new commit available).
+
+### Available Tests
+
+The current tests available are:
+
+- [`testcard.rb`](tests/testcard.rb) – A graphical card, similar to [testcards from TV](http://en.wikipedia.org/wiki/Testcard), with the goal of making sure all visual and inputs are working properly.
+
+Run a test using `rake <name_of_test>`, for example:
+
+```bash
+rake testcard
+```
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