Math
Basic utilities for performing mathematical operations over various input signals.
el.in
Identity function, f(x) = x.
Can also be used for accepting an input signal from the audio driver, whereupon
the channel prop will be used to decide which incoming signal channel will be passed forward.
This same feature can also be used for selecting one of N children, for example:
el.in({channel: 2}, w, x, y, z); // Equivalent to `y`Props
| Name | Default | Type | Description |
|---|---|---|---|
| channel | 0 | Number | Selects which input channel to forward |
el.sin
Computes the sin of the input signal. Expects exactly 1 child node.
el.cos
Computes the cos of the input signal. Expects exactly 1 child node.
el.tan
Computes the tan of the input signal. Expects exactly 1 child node.
el.tanh
Computes the hyperbolic tan of the input signal. Expects exactly 1 child node.
el.asinh
Computes the inverse hyperbolic sin of the input signal. Expects exactly 1 child node.
el.ln
Computes the natural logarithm (log base e) of the input signal. Expects exactly 1 child node.
el.log
Computes the log (base 10) of the input signal. Expects exactly 1 child node.
el.log2
Computes the log (base 2) of the input signal. Expects exactly 1 child node.
el.ceil
Computes the ceiling (rounding up to the nearest whole number) of the input signal. Expects exactly 1 child node.
el.floor
Computes the floor (rounding down to the nearest whole number) of the input signal. Expects exactly 1 child node.
el.round
Rounds the input signal to the nearest whole number. Expects exactly 1 child node.
el.sqrt
Computes the square root of the input signal. Expects exactly 1 child node.
el.exp
Computes e^x where x is the input signal, and e Euler's number. Expects exactly 1 child node.
el.abs
Computes the absolute value of the input signal. Expects exactly 1 child node.
el.eq
Compares the first input to the second input, returning 1 when the two signals have equal values, and 0 otherwise.
el.and
Compares the first input to the second input with a binary "and" operation. Returns 1 when the two signals both have a value of 1, and 0 otherwise.
el.or
Compares the first input to the second input with a binary "or" operation. Returns 1 when either of the two signals has a value of 1, and 0 otherwise.
el.le
Compares the first input to the second input, returning 1 when the first is less than the second, and 0 otherwise. Expects exactly 2 children.
el.leq
Compares the first input to the second input, returning 1 when the first is less than or equal to the second, and 0 otherwise. Expects exactly 2 children.
el.ge
Compares the first input to the second input, returning 1 when the first is greater than the second, and 0 otherwise. Expects exactly 2 children.
el.geq
Compares the first input to the second input, returning 1 when the first is greater than or equal to the second, and 0 otherwise. Expects exactly 2 children.
el.pow
Computes a^b where a is the first input signal and b is the second. Expects exactly 2 children.
el.mod
Computes a % b where a is the first input signal and b is the second. Expects exactly 2 children.
el.min
Computes min(a, b) where a is the first input signal and b is the second. Expects exactly 2 children.
el.max
Computes max(a, b) where a is the first input signal and b is the second. Expects exactly 2 children.
el.add
Performs a left fold over the available inputs with the add operation: (((in1 + in2) + in3) + ...).
Expects one or more children.
el.sub
Performs a left fold over the available inputs with the subtract operation: (((in1 - in2) - in3) - ...).
Expects one or more children.
el.mul
Performs a left fold over the available inputs with the multiply operation: (((in1 * in2) * in3) * ...).
Expects one or more children.
el.div
Performs a left fold over the available inputs with the divide operation: (((in1 / in2) / in3) / ...).
Expects one or more children.