# Author-
# Description-

import math
import adsk.core
import adsk.fusion
import adsk.cam
import traceback


def run(context):
    ui = None
    try:
        print('hello, world')
        app = adsk.core.Application.get()

        move_camera(app, app.activeViewport)

        ui = app.userInterface
        # ui.messageBox('Hello script')

    except:
        if ui:
            ui.messageBox('Failed:\n{}'.format(traceback.format_exc()))


def move_camera(app, view):
    try:
        camera = view.camera

        # target = adsk.core.Point3D.create(0, 0, 0)
        up = adsk.core.Vector3D.create(0, 0, 1)
        steps = 1000

        eye = camera.eye
        dist = camera.target.distanceTo(eye)
        x_eye = eye.x
        y_eye = eye.y

        for i in range(0, steps):
            x = dist * math.cos((math.pi*2) * (i/steps)) + x_eye
            y = dist * math.sin((math.pi*2) * (i/steps)) + y_eye
            z = eye.z

            eye = adsk.core.Point3D.create(x, y, z)

            camera.eye = eye
            # camera.target = target
            # camera.upVector = up

            # camera.isSmoothTransition = False
            view.camera = camera
            adsk.doEvents()
            view.refresh()
    except:
        ui = app.userInterface
        if ui:
            ui.messageBox('Failed:\n{}'.format(traceback.format_exc()))