Fusion360: orbit the camera around the target point by 90 degrees

orbit.py

import adsk.core, adsk.fusion, adsk.cam, traceback

from adsk.core import *
from math import pi

def run(context):
    ui = None
    try:
        app = adsk.core.Application.get()
        ui  = app.userInterface
        view = app.activeViewport
        camera = view.camera

        rot = Matrix3D.create();
        rot.setToRotation(2 * pi  / 360 * 90, camera.upVector, camera.target)
        eye = camera.eye
        eye.transformBy(rot)
        camera.eye = eye
        view.camera = camera
                          
    except:
        if ui:
            ui.messageBox('Failed:\n{}'.format(traceback.format_exc()))