The amount of damping to apply on angular velocity - 1 = none
The amount of damping to apply on velocity - 1 = none
Disabled bodies (can be either static or dynamic)
The list of bodies that can move or rotate
Any collision exclusions between bodies
The number of frames
The gravity to apply to all dynamic bodies
The restriction to apply on joints to get them to stop faster
The list of joints to be enforced
The next ID to assign to a body
True if the world is paused
The time it takes for a non-moving dynamic body to go into resting state
The list of bodies that don't move or rotate
The world in which the physics engine runs