| Box2D Version 2.1 | |
| Welcome to Box2D! | |
| Box2D is a 2D physics engine for games. | |
| For help with Box2D, please visit http://www.box2d.org. There is a forum there where you may post your questions. | |
| Please see Building.txt to learn how to build Box2D and run the testbed. | |
| To run the demos, set "Testbed" as your startup project and press F5. Some test bed commands are: | |
| - 'r' to reset the current test | |
| - SPACE to launch a bomb | |
| - arrow keys to pan | |
| - 'x' and 'z' to zoom in/out | |
| - use the mouse to click and drag objects | |
| Erin Catto | |
| http://www.box2d.org |