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Inverse of viewspace


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#1 Anddos   Members   -  Reputation: 485

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Posted 10 February 2013 - 09:30 AM

so the inverse of viewspace is worldspace?, does that mean worldspace position for the camera on the left hand coord axis?


Edited by Anddos, 10 February 2013 - 09:54 AM.

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#2 haegarr   Crossbones+   -  Reputation: 4202

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Posted 10 February 2013 - 10:31 AM

so the inverse of viewspace is worldspace?

You probably mean: The inverse of the world-to-view transformation is the view-to-world transformation. Notice that not the spaces but the transformations from one space to another are mentioned..



#3 MJP   Moderators   -  Reputation: 11010

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Posted 10 February 2013 - 06:35 PM

If you were to create a 4x4 matrix representing the orientation and position of your camera, that would be the camera's "world matrix". Transforming any point by such a matrix would translate it from "local space" relative to the camera's position and orientation, to "world space". If you were to invert this matrix, you would get a matrix that does the opposite: it would transform world-space coordinates to local coordinates relative the camera (AKA view space). This would be your "view matrix".






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