| Function |
Syntax |
Description
|
| abs |
abs(x) |
Returns the absolute of x.
|
| sign |
sign(x) |
Returns the sign of x (-1, 0 or 1).
|
| floor |
floor(x) |
Returns a value equal to the nearest integer that is less than or equal to x.
|
| trunc |
trunc(x) |
Returns a value equal to the nearest integer to x whose absolute value is not larger than the absolute value of x.
|
| round |
round(x) |
Returns a value equal to the nearest integer to x.
|
| eround |
round(x) |
Returns a value equal to the nearest even integer to x.
|
| ceil |
round(x) |
Returns a value equal to the nearest integer that is greater than or equal to x.
|
| fract |
round(x) |
Returns 1/floor(x).
|
| mod |
mod(x,y) |
Modulus, returns x-y*floor(x/y).
|
| modf |
modf(x,y) |
Returns the fractional part of x and sets i to the integer part (as a whole number floating point value).
|
| min |
mod(x,y) |
Returns the lower of x or y.
|
| max |
mod(x,y) |
Returns the greater of x or y.
|
| clamp |
clamp(x,minV,maxV) |
Returns min(max(x,minV),maxV).
|
| mix |
mix(x,y,a) |
Returns the linear blend of x and y. i.e x*(1−a)+y*a
|
| step |
step(edge,x) |
Returns 0.0 if x<edge, otherwise it returns 1.0.
|
| smoothstep |
smoothstep(edge0,edge1,x) |
Returns 0.0 if x <= edge0 and 1.0 if x >= edge1 and performs smooth Hermite interpolation between 0 and 1 when edge0<x<edge1.
|
| isnan |
mix(x) |
Returns true if x holds a NaN (not a number).
|
| isinf |
mix(x) |
Returns true if x holds a positive infinity or negative infinity.
|
