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This guide will help you get up and running with Solar2D for macOS.

Installing Solar2D

Before proceeding, ensure that your system meets the core requirements to install Solar2D.

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  1. OS X 10.10 (Yosemite) OS X 10.10 (Yosemite) is very much an early beta, so if you depend on your Mac to build Corona SDK apps, don’t upgrade to Yosemite just yet. As it pertains to Corona, there are OpenGL/layer bugs that prevent Corona SDK from rendering content correctly.
  2. Apple debuted iOS 14.5, with its App Tracking Transparency feature, on Monday.But if you updated your iPhone or iPad, and haven’t seen a flurry of alerts about apps wanting to track you, don’t.

We'll assume you've already downloaded Solar2D. If not, please do so before continuing.

  1. Locate the application disk image, for example Corona-2021.3642.dmg, and double click it. This should mount the disk image and, once you agree to the terms of service, present you with a disk image window:
  1. Drag the Corona folder into the Applications folder alias. This will copy the contents of the folder into /Applications.

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You can use Solar2D without installing Apple's Developer Kit or the Android SDK. Later, if you want to build and test your code on a iOS device, you will need to sign up as an Apple Developer and create the necessary certificates and provisioning profiles (guide).

Java Development Kit

Installing JDK is no longer required for Solar2D 2020.3629 and later.

Installing Solar2D lets you create and test apps locally on your Mac. If you intend to build apps for testing on Android devices, you will need to install the Java Development Kit (JDK). If you try to build an Android app without the JDK installed, the Solar2D Simulator will help you install it. Alternatively, if you want to install it manually, you can follow these instructions:

  1. Go to JDK8 download page.
  2. Click the JDK download link to obtain the corresponding Java Platform (JDK).
  3. On the next page, read the license agreement and click the option to accept it if you agree.
  4. Locate the Mac OS X link and click it to download the file. This file will be named approximately jdk-8u261-macosx-x64.dmg.
  5. When the download is complete, open the .dmg and run the installer.

Text Editors

You'll need a text editor or IDE to write code for your Solar2D projects. If you don't already have a favorite text editor, the following options are recommended:

EditorAdd-On Package
Sublime TextSolar2D Editor
Atomautocomplete-corona
Visual Studio CodeSolar2d-companion
XcodeXcode Editor
ZeroBrane Studio
TextMate
Vim

Development Environment

The Solar2D development environment consists of two aspects: the Solar2D Simulator and the Solar2D Simulator Console.

  • The Solar2D Simulator is a visual representation and test environment for your app. What you see in the Simulator is generally what your app will look like — and how it will function — when deployed to an actual device. The Solar2D Simulator is an essential tool because it allows you to view changes to your code instantly in an active, responsive environment that closely mimics the device.

  • The Solar2D Simulator Console is where you can view diagnostic messages about what's happening in your program.

Corona

Simulator Options

The Solar2D Simulator for macOS features the following basic menu items:

  • The standard macOS application menu provides access to the Simulator Preferences. It also lets you manually open/run Corona Live Server for doing Live Builds on actual devices.

  • The File menu is where projects (applications) are created or opened. This is also where you build your apps for distribution or testing on devices.

  • The Hardware menu is used to simulate physical device actions such as rotating the screen.

  • The Window menu lets you open the Welcome Window which provides quick access to recent projects, Solar2D developer resources, and more. This menu also lets you access the Simulator Console (Console). Finally, this menu includes options to manipulate the Simulator window or change the skin (Window → View As).

Command Line Usage

To start a particular app in the Solar2D Simulator without double-clicking it, use a command like this:

Download

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If the specified directory doesn't contain a main.lua file, an error is displayed. Optionally -project can be specified (note that this suppresses any error messages if the directory is invalid).

If you don't want the Simulator Console window to automatically appear use the -no-console option:

Output from the Simulator will appear on standard output.

If you never want the Simulator to automatically start a console window, but for some reason cannot use the command line, you can run the following command in a Terminal window:

Use this command to turn the Simulator Console back on again:

One additional flag is allowed -debug YES which allows an IDE to connect a debugger to the Simulator session. Specify it before the directory/file argument.

Getting Started

If you're new to Solar2D, the most fun way to learn is to create a simple game. Don't worry if you've never created a mobile app or programmed before — the chapters in the guide will walk you through the entire process from start to finish!