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[Virtools] TRANSFORMATION LACK 3d to 2d Screen

Hallo from Berlin,

we built a Mouse Following Zooming Interface, a group with 3D Entities,
Camera & Light.
We are using the Behav.Graph from the Dev.2.0 Disk called
"PositionObjectOnMouse"

(our actual step is online at: http://www.heretogo.com/ifsts)

P R O B L E M

Everything is working but we have a divergation. In the
Top/Right/Left/Buttom Screen Area
the Mouse is not in the center from the Interface.

We analysed the "PositionObjectOnMouse" Behav.Graph and checked the Unit
FOV for the Camera
and the Calculator with the tan function. Is this the reason for the
divergation at the screen corners?
In the Screen Center everything is ok.



V E R Y   I M P O R T A N T   P R O B L E M

Now we have to add to this Interface our Buttons, 2dSprites.
This Buttons should have a absolut position on the moving interface.

How we can do that?

How we can transform 3d Coordinates from an 3d Object (our Interface) to
Screen Coordinates?

To give all Buttons a absolut position "on" the Interface without
divergation?

or:

To move all Buttons in the same way as we moving our Interface
(3dObject).

Thank You,

Marcus & Till



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HereToGo environment
Till Helmbold

Saarbrueckerstr. 22-24
D-10405 Berlin

Fon +49(0)30.44.35.97.12
Fax +49(0)30.44.35.97.14

F L A S H 4 r e q u i r e d !
http://www.heretogo.com
mailto:helmbold@heretogo.com

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