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# swf_lookat

(PHP 4, PECL)

swf_lookat -- Define a viewing transformation

## Descrição

void swf_lookat ( float view_x, float view_y, float view_z, float reference_x, float reference_y, float reference_z, float twist )

Defines a viewing transformation by giving the viewing position and the coordinates of a reference point in the scene.

## Parâmetros

`view_x`

  x-coordinate for the viewing position

`view_y`

  y-coordinate for the viewing position

`view_z`

  z-coordinate for the viewing position

`reference_x`

  x-coordinate for the reference point

`reference_y`

  y-coordinate for the reference point

`reference_z`

  z-coordinate for the reference point

`twist`

  Controls the rotation along with viewer's z axis.

## Valores de retornado

Não há valor retornado.

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