Description
EventList is a list of Events which is usually recorded and used for playback. EventLists are used in EventLoop, KeyPlayer and other related classes for capturing various forms of user gestures in time.
Each event has a required entry for \absTime, i.e. the absolute time at which the event was recorded, plus any other key/value combinations that are needed to describe the event fully in semantically rich form. An EventList always starts with a start event - usually (absTime: 0, type: \start); then some events with ascending values for absTime, and an end event, which is usually (type: \end, absTime: <loopEndTime>);.
Instance Methods
.totalDur
the total duration of the recorded event sequence
.playingDur
the playing total duration of the EventList, may be different.
print event values in the order of keys given; post the rest if flag is true
.start
start recording, add a 'start' event like (type: \start, absTime: 0)
.addEvent
add an event with a value for absTime, plus any other key/value pairs
.finish
add an 'end' event, like (type: \end, absTime: <loopEndTime>).
.quantizeDurs
quantize durations to some grid, and to an optional full duration.
.setDurs
set the dur values in the events by some func, used e.g. when quantizing.
.restoreDurs
restore durations unquantized state.
.calcDeltas
in all events, calculate delta and dur values based on absTime values.
.setDursToDelta
in all events, copy values for delta to dur key.
.hasPositiveDur
check whether event range between minIndex and maxIndex has at least one positive playDur. this is used to avoid infinite loops when running in a play task.