test.py

from math import pi, sin, cos


from direct.showbase.ShowBase import ShowBase

from direct.task import Task



class MyApp(ShowBase):

    def __init__(self):

        ShowBase.__init__(self)


        # Load the environment model.

        self.scene = self.loader.loadModel("models/environment")

        # Reparent the model to render.

        self.scene.reparentTo(self.render)

        # Apply scale and position transforms on the model.

        self.scene.setScale(0.25, 0.25, 0.25)

        self.scene.setPos(-8, 42, 0)


        # Add the spinCameraTask procedure to the task manager.

        self.taskMgr.add(self.spinCameraTask, "SpinCameraTask")


    # Define a procedure to move the camera.

    def spinCameraTask(self, task):

        angleDegrees = task.time * 6.0

        angleRadians = angleDegrees * (pi / 180.0)

        self.camera.setPos(20 * sin(angleRadians), -20 * cos(angleRadians), 3)

        self.camera.setHpr(angleDegrees, 0, 0)

        return Task.cont



app = MyApp()

app.run()