deltaX: 0
deltaY: 0
deltaZ: 0
deltaMode: 0
view: null
screenX: 0
screenY: 0
clientX: 0
clientY: 0
ctrlKey: false
altKey: false
shiftKey: false
metaKey: false

deltaX: 10
deltaY: 20
deltaZ: 35
deltaMode: 2
view: null
screenX: 1
screenY: 2
clientX: 3
clientY: 4
ctrlKey: true
altKey: true
shiftKey: false
metaKey: true
