const app = new WHS.App([
  // ...
  new PHYSICS.WorldModule({
    gravity: new THREE.Vector3(0, -10, 0),
    ammo: 'path/to/ammo.js'
  })
]);

app.start();

const box = new WHS.Box({
  geometry: {
    width: 2,
    height: 2,
    depth: 4
  },
  
  modules: [
    new PHYSICS.BoxModule({
      mass: 10
    })
  ],
  
  material: new THREE.MeshBasicMaterial({color: 0xff0000})
});

box.addTo(app);

const sphere = new WHS.Box({
  geometry: {
    radius: 3
  },
  
  modules: [
    new PHYSICS.SphereModule({
      mass: 10
    })
  ],
  
  material: new THREE.MeshBasicMaterial({color: 0xff0000})
});

sphere.addTo(app);

const plane = new WHS.Plane({
  geometry: {
    width: 100,
    height: 100
  },
  
  modules: [
    new PHYSICS.PlaneModule({
      mass: 5
    })
  ],
  
  material: new THREE.MeshBasicMaterial({color: 0xff0000})
});

plane.addTo(app);

const sphere = new WHS.Cylinder({
  geometry: {
    radiusTop: 0,
    radiusBottom: 3,
    height: 4
  },
  
  modules: [
    new PHYSICS.ConeModule({
      mass: 2
    })
  ],
  
  material: new THREE.MeshBasicMaterial({color: 0xff0000})
});

box.addTo(app);

const teapot = new WHS.Model({
  geometry: {
    path: 'path/to/teapot.json'
  },
  
  modules: [
    new PHYSICS.ConvexModule({
      mass: 2,
      path: 'path/to/simplified/teapot.json'
    })
  ],
  
  material: new THREE.MeshBasicMaterial({color: 0xff0000})
});

teapot.addTo(app);

const sphere = new WHS.Cylinder({
  geometry: {
    radiusTop: 3,
    radiusBottom: 3,
    height: 4
  },
  
  modules: [
    new PHYSICS.CylinderModule({
      mass: 2
    })
  ],
  
  material: new THREE.MeshBasicMaterial({color: 0xff0000})
});

box.addTo(app);

const terrain = new WHS.Parametric({
  geometry: {
    func: myFunction
  },
  
  modules: [
    new PHYSICS.HeightfieldModule({
      mass: 5,
      size: new THREE.Vector2(100, 100),
      autoAlign: true // center physics object automatically.
    })
  ],
  
  material: new THREE.MeshBasicMaterial({color: 0xff0000})
});

terrain.addTo(app);

const teapot = new WHS.Model({
  geometry: {
    path: 'path/to/teapot.json'
  },
  
  modules: [
    new PHYSICS.ConcaveModule({
      mass: 2,
      path: 'path/to/simplified/teapot.json'
    })
  ],
  
  material: new THREE.MeshBasicMaterial({color: 0xff0000})
});

teapot.addTo(app);

const sphere = new WHS.Icosahedron({
  geometry: {
    radius: 3,
    detial: 2
  },
  
  modules: [
    new PHYSICS.SoftbodyModule({
      mass: 5,
      pressure: 500
    })
  ],
  
  material: new THREE.MeshBasicMaterial({color: 0xff0000})
});

sphere.addTo(app);

const cloth = new WHS.Plane({
  geometry: {
    width: 100,
    height: 50
  },
  
  modules: [
    new PHYSICS.ClothModule({
      mass: 5
    })
  ],
  
  material: new THREE.MeshBasicMaterial({color: 0xff0000})
});

cloth.addTo(app);

const rope = new WHS.Line({
  geometry: {
    curve: new THREE.LineCurve3(new THREE.Vector3(0, 10, 0), new THREE.Vector3(0, 20, 0))
  },
  
  modules: [
    new PHYSICS.RopeModule({
      mass: 5
    })
  ],
  
  material: new THREE.MeshBasicMaterial({color: 0xff0000})
});

rope.addTo(app);

{
  restitution: 0.3,
  friction: 0.8,
  damping: 0,
  margin: 0
}

{
  friction: 0.8,
  damping: 0,
  margin: 0,
  klst: 0.9,
  kvst: 0.9,
  kast: 0.9,
  piterations: 1,
  viterations: 0,
  diterations: 0,
  citerations: 4,
  anchorHardness: 0.7,
  rigidHardness: 1
}

player.on('collision', (otherObject, v, r, contactNormal) => {
  if (contactNormal.y < 0.5) // Use a "good" threshold value between 0 and 1 here!
    canJump = true;
});