Environment:      Siren
Superclass:         Siren.Function
Category:         Music-Functions
Indexed variables:   objects

Instances of LinearFunction are line-segment functions of one free variable.

Example:
   LinearFunction from: #((0 0) (0.1 1) (0.2 0.6) (0.9 0.4) (1 0))

processing

normalize
   Normalize the receiver to the range and domain of 0-1, inclusive.

scaleBy: scalePt
   Scale the receiver's points by the given scale.

updateRange
   

accessing

add: anItem
   Add the argument to the receiver's point collection.

at: anIndex
   Answer the value at the given index in my range--do linear interpolation.

size
   Answer the size of the receiver's collection of breakpoints.

MetaClass:         LinearFunction class

instance creation

a: att d: dec s: sus r: rel
   Answer an ADSR envelope.

default
   Answer a default instance of the receiver class - an ADSR shape.

fromLorisData: data size: siz duration: dur
   Create a linear envelope from the given Loris linear envelope.

examples

exampleEnvelope
   Answer a LinSeg of a typical envelope function.

linearExample
   Make a LinSeg and answer a value.

linearViewExample
   Make an ADSR-shaped LinSeg and open a view on its form.