/IronPython_Main/Languages/IronPython/Samples/Direct3D/demo1.py

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#  Copyright (c) Microsoft Corporation. All rights reserved.

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# This source code is subject to terms and conditions of the Apache License, Version 2.0. A 

# copy of the license can be found in the License.html file at the root of this distribution. If 

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# ironpy@microsoft.com. By using this source code in any fashion, you are agreeing to be bound 

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import clr

from framework import *



class DirectionalMover(object):

    def __init__(self, obj, direction, speed, distance):

        self.Object = obj

        self.Speed = speed

        self.Distance = distance

        self.Direction = Vectorize(direction)

        self.Direction.Normalize()



    def OnFrame(self, elapsed):

        toTravel = self.Speed * elapsed



        if self.Distance < toTravel:

            self.Object.Translate(self.Direction * single(self.Distance))

            return True

        else:

            self.Distance -= toTravel

            self.Object.Translate(self.Direction * single(toTravel))





class DemoSceneCreator(object):

    def OnSceneCreate(self, sm):

        cam = sm.CreateCamera("Player Cam")

        cam.Position = [0, 3, -5]

        

        box = sm.LoadBasicObject("box", "box 1", Drawing.Color.Red, 0.25, 0.25, 0.25)

        box.Position = [-1, 0, 0]

        

        box = sm.LoadBasicObject("box", "box 2", Drawing.Color.Green, 0.25, 0.25, 0.25)

        box.Position = [0, 0, 0]

        cam.LookAt(box.Position)

        

        box = sm.LoadBasicObject("box", "box 3", Drawing.Color.Blue, 0.25, 0.25, 0.25)

        box.Position = [1, 0, 0]



        return True



    def OnSceneBegin(self, sm):

        dm = DirectionalMover(sm.Objects["box 1"], [1, 0, 0], 0.3, 3)

        sm.AddListener(dm)

        

        dm = DirectionalMover(sm.Objects["box 2"], [0, 1, 0], 0.2, 2)

        sm.AddListener(dm)

        

        dm = DirectionalMover(sm.Objects["box 3"], [0, 0, 1], 1, 10)

        sm.AddListener(dm)



        return True





if __name__ == '__main__':

    Root().Main([DemoSceneCreator])