swf_lookat

(PHP 4, PECL)

swf_lookat -- Define a viewing transformation

Description

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.

Parameters

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.

Return Values

No value is returned.