Expression :
Functions
sin
cos
tan
sec
min
max
exp
round
abs
sqrt
isPositive
isNegative
lcm
gcd
random
Operators
+
-
*
/
%
^
<
>
!
&
|
!|
!=
==
?:
Variables
u
v
x
y
Nx
Ny
Constants
pi
tau
phi
e
i
Apply to :
Rotate
Scale
Hue
Saturation
Nx :
Ny :
min:
0
max:
0