Class: Fusuma::Plugin::Detectors::RotateDetector
- Inherits:
-
Detector
- Object
- Base
- Detector
- Fusuma::Plugin::Detectors::RotateDetector
show all
- Defined in:
- lib/fusuma/plugin/detectors/rotate_detector.rb
Defined Under Namespace
Classes: Direction, Quantity
Constant Summary
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- SOURCES =
['gesture'].freeze
- BUFFER_TYPE =
'gesture'
- GESTURE_RECORD_TYPE =
'pinch'
- FINGERS =
[2, 3, 4].freeze
- BASE_THERESHOLD =
0.5
Instance Method Summary
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Methods inherited from Detector
#create_event, #first_time?, #last_time, #sources, #tag, tag, type, #type, #watch?
Methods inherited from Base
#config_index, #config_param_types, #config_params, inherited, plugins
#fork
Instance Method Details
#create_oneshot_index(gesture:, finger:, direction:) ⇒ Config::Index
#create_repeat_index(gesture:, finger:, direction:, status:) ⇒ Config::Index
#detect(buffers) ⇒ Events::Event, NilClass
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# File 'lib/fusuma/plugin/detectors/rotate_detector.rb', line 19
def detect(buffers)
gesture_buffer = buffers.find { |b| b.type == BUFFER_TYPE }
.select_from_last_begin
.select_by_events { |e| e.record.gesture == GESTURE_RECORD_TYPE }
updating_events = gesture_buffer.updating_events
return if updating_events.empty?
oneshot_angle = if updating_events.size >= 10
updating_time = 100 * (updating_events[-1].time - updating_events[-10].time)
last_10 = gesture_buffer.class.new(updating_events[-10..-1])
last_10.sum_attrs(:rotate) / updating_time
else
updating_time = 100 * (updating_events.last.time - updating_events.first.time)
gesture_buffer.sum_attrs(:rotate) / updating_time
end
return if updating_events.empty?
finger = gesture_buffer.finger
status = case gesture_buffer.events.last.record.status
when 'end'
'end'
when 'update'
if updating_events.length == 1
'begin'
else
'update'
end
else
gesture_buffer.events.last.record.status
end
delta = if status == 'end'
gesture_buffer.events[-2].record.delta
else
gesture_buffer.events.last.record.delta
end
repeat_direction = Direction.new(angle: delta.rotate).to_s
repeat_quantity = Quantity.new(angle: delta.rotate).to_f
repeat_index = create_repeat_index(gesture: type, finger: finger,
direction: repeat_direction,
status: status)
if status == 'update'
return unless moved?(repeat_quantity)
oneshot_direction = Direction.new(angle: oneshot_angle).to_s
oneshot_quantity = Quantity.new(angle: oneshot_angle).to_f
oneshot_index = create_oneshot_index(gesture: type, finger: finger,
direction: oneshot_direction)
if enough_oneshot_threshold?(index: oneshot_index, quantity: oneshot_quantity)
return [
create_event(record: Events::Records::IndexRecord.new(
index: oneshot_index, trigger: :oneshot, args: delta.to_h
)),
create_event(record: Events::Records::IndexRecord.new(
index: repeat_index, trigger: :repeat, args: delta.to_h
))
]
end
end
create_event(record: Events::Records::IndexRecord.new(
index: repeat_index, trigger: :repeat, args: delta.to_h
))
end
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