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myPhysicsLab README

myPhysicsLab provides JavaScript classes to build real-time interactive animated physics simulations.

The myPhysicsLab website shows the simulations running and contains explanations of the math behind them.

Author and License

myPhysicsLab is provided as open source software under the Apache 2.0 License. See the accompanying file named LICENSE. The author is Erik Neumann erikn@myphysicslab.com.

Source code is available at https://github.com/myphysicslab/myphysicslab.

Building

It is possible to customize a myPhysicsLab simulation without building from source code, see Customizing myPhysicsLab Simulations.

To build from source code the required tools are

Once the prerequisites are on your system, follow these steps:

  1. Download the myPhysicsLab source code from https://github.com/myphysicslab/myphysicslab.

  2. Copy the file sampleConfig.mk to myConfig.mk and edit myConfig.mk to specify location of Closure Compiler in the CLOSURE_COMPILER variable.

  3. Create a symbolic link to closure-library in the directory that has the makefile. Example of how to create the symbolic link:

     $ ln -s ../closure-library/ closure-library

  4. Execute make at the command line. (Set your directory to where the makefile is). This will compile all applications and tests in all language versions (using the default option COMPILE_LEVEL=simple). Execute make help to see available options.

  5. Open the file /build/index-en.html with a browser. This has links to all the files that were built.

NOTE: the HTML files in the source directories cannot be used directly from a browser. You must complete the build process first.

See Building myPhysicsLab Software for more information about the build process.

Documentation

See myPhysicsLab Documentation for overview of architecture and for detailed documentation of software.

Examples

There are around 50 different simulations in the source code, each of which has has an example file which is mainly for development and testing.

The example files are available online in two forms: advanced-compiled which loads faster and simple-compiled which allows for more customization.