WorksheetsVEX Global Variables and Channels 1
Total questions: 10
Worksheet time: 8mins
Name
Class
Date
1.
What are global variables in VEX?
a)
Variables defined in functions
b)
Predefined variables available in any context
c)
User-defined variables
d)
Variables that control rendering
2.
Which of these is a global variable in VEX?
a)
@P
b)
N
c)
Cd
d)
@N
3.
How do you create a custom parameter in VEX?
a)
By declaring a global variable
b)
By using ch() function
c)
By creating a new node
d)
By writing a Python script
4.
What does the ch() function do in VEX?
a)
Changes a variable
b)
Creates a channel reference
c)
Modifies global variables
d)
Accesses shader settings
5.
Which global variable holds point positions?
a)
@Cd
b)
P
c)
N
d)
@ptnum
6.
How do you access a custom float parameter in VEX?
a)
chf()
b)
ch()
c)
chv()
d)
chp()
7.
What is @ptnum in VEX?
a)
A predefined variable for the total number of points
b)
A global variable for the current point number
c)
A custom parameter
d)
A local variable for geometry attributes
8.
How can you use custom parameters to control geometry?
a)
By using Python scripts
b)
By linking parameters with ch()
c)
By writing shaders
d)
By modifying the SOP network
9.
What type of variable is P in VEX?
a)
Custom
b)
Global
c)
Local
d)
Temporary
10.
Which of these functions is used to access vector parameters in VEX?
a)
ch()
b)
chv()
c)
che()
d)
chn()
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