Behavior Controls:

• V: Motion on/off
• H: Inject random velocity to all objects
• G: Create new Rectangle/Circle (randomly)

Selected Objet Controls:

• Left/Right: Sequence through selected object
• WASD-Z/X: Move/Rotate(Z/X) selected object
• Y/U: Inc/Dec RigidShape size (not the Renderable)
• Up/Down + M: Increase/Decrease Mass

Drawing Controls:

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