papervision3d相机旋转（papervision3d camera orbit）

1

package

2

{

3

import

flash.events.MouseEvent;

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5

import

org.papervision3d.lights.PointLight3D;

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import

org.papervision3d.materials.shadematerials.FlatShadeMaterial;

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import

org.papervision3d.objects.DisplayObject3D;

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import

org.papervision3d.objects.primitives.Sphere;

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import

org.papervision3d.view.BasicView;

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[SWF(width

=

"

640

"

, height

=

"

480

"

, backgroundColor

=

"

#000000

"

, frameRate

=

"

60

"

)]

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public

class

OrbitingCameraExample

extends

BasicView

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{

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private

var isOribiting:Boolean;

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private

var cameraPitch:Number

=

90

;

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private

var cameraYaw:Number

=

270

;

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private

var cameraTarget:DisplayObject3D

=

DisplayObject3D.ZERO;

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private

var previousMouseX:Number;

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private

var previousMouseY:Number;

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