The MEL Companion: Maya Scripting for 3D Artists (Charles River Media Graphics)

V

Variables

arithmetic operations and, 50-51

conversion, 47-48, 155

declaring type, 42-46

defined, 42

local and global, 46-47, 64

naming conventions, 81

option variables, 336-337

procedures and, 62

replacing explicit values, 117-118

for vertex locations, 89-90, 95-96

visibility of, and groups, 64

Vectors

adding and subtracting, 17--21

arrowhead depiction of, 17

cross product, 25, 50

delta, 19-20

described, 15

dot product, 24

magnitude of, 16-17, 22, 47-48, 155

mathematical notation for, 16-17

normalizing, 21, 22

scalar product, 23-24

unit vector, 21

vector variables, 43-44, 50

x, y, z components , 16-17

Vertex order, 92

Vertical pipe (() hierarchical name separator, 416

Vertical pipes ((() logical operator, 55

Vertices

co-ordinates for, 89-91, 95-96

merging, 98-101

Viewport view vs. rendered view, 262-263

Visibility attribute, 243

Visual SlickEdit, 34