This software allow you to experiment physic engine (Phys2D in this case) in realtime.
It's based on the nice Phys2D library written in java.
You can create interactivly :
All kind of body/shape (box, circle, gear, etc) and put it inside a physically simulated world (Gravitiy, collision,....).
Multiple kinds of joint to link body together.
Save/Load the current world.
You got two windows.
North Panel : Create bodies and joints parameters
South Left : Joints list of parameters.
South Right : Current selection of bod(y/ies) parameters.
In the World visualisation window:
Left click : Select bodies, create joint, create body, depending on the mode
Middle Click :
Right Click : Select the body.
WheelMouse : Allow to change mode (display in the upper right corner of the visu window) :
Create_Body : Create a body. Its size will the mouse drag distance. You can create : Box, circle, gear,...
Edit_Body : Click left select body and...