Creating a Cannon.Body and adding it into a Cannon.World

Body.js

// Create a World
var world = new CANNON.World()

// Create a Body
var mass = 1
var radius = 1
var position = new CANNON.Vec3(0, 0, -3)
var shape = new CANNON.Sphere(radius)
var body = new CANNON.Body({ mass, position, shape })

// Add the body to the world
world.addBody(body)