Behavior Controls:

• P: Penetration resolution on/off
• V: Motion on/off
• H: Inject random velocity to all objects
• G: Create new Rectangle/Circle (randomly)
• WASD: Move selected object
• Left/Right: Sequence through selected object
• Up/Down + MRF: Increase/Decrease Mass/Restitution/Friction

Drawing Controls:

• T:Texture 
• R:RigidShape 
• B:Primitive Bounds (only when RigidShape shows) 

C: Generate particles at the mouse position.