swf_lookat
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_xx-coordinate for the viewing position
view_yy-coordinate for the viewing position
view_zz-coordinate for the viewing position
reference_xx-coordinate for the reference point
reference_yy-coordinate for the reference point
reference_zz-coordinate for the reference point
twistControls the rotation along with viewer's z axis.
