DeviceOrientation Event Viewer

Source Code

• The Screen Orientation API - W3C
• DeviceOrientation Event Specification - W3C
• Orientation_and_motion_data_explained - MDN

screen.orientation property(orientationchange event)

deviceorientation event

※画面の向きに注意。向きが変わっても(portraitになろうがlandscapeになろうが)デバイスのX,Y,Z軸は変わらない。

devicemotion event

compassneedscalibration event

左右の傾き検出(画面の向きを考慮)