lookAt(eye, center, up) returns a $4 \times 4$ viewing matrix derived from an eye point $e$, a reference point $c$ indicating the center of the scene, and an up vector $u$.
lookAt(eye, center, up)
position of the eye point
position of the reference point
unit vector in the upward direction
Look-at matrix
lookAt(eye, center, up)returns a $4 \times 4$ viewing matrix derived from an eye point $e$, a reference point $c$ indicating the center of the scene, and an up vector $u$.