MouseWheelInputEvent 对象继承自 MouseInputEvent
type
string - 事件的类型,可以是mouseWheel
。deltaX
Integer (可选)deltaY
Integer (可选)wheelTicksX
Integer (可选)wheelTicksY
Integer (可选)accelerationRatioX
Integer (可选)accelerationRatioY
Integer (可选)hasPreciseScrollingDeltas
boolean (可选)canScroll
boolean (可选)