def _update_light(light: Light, midi_message: MidiMessage):
# TODO: Probably need to fiddle with these and see what happens. They could become parameters.
MIN_BRIGHTNESS = 500 # 0 - 65535
BRIGHTNESS_INCREASE_SPEED = 100 # 0-?
BRIGHTNESS_DROP_SPEED = 200 # 0-? in ms, so 1000 is 1s
velocity = midi_message.getVelocity()
mapped_velocity = _map_value_to_range(value=velocity,
from_min=MIDI_VALUE_MIN,
from_max=MIDI_VALUE_MAX,
to_min=LIFX_VALUE_MIN,
to_max=LIFX_VALUE_MAX)
########
# TODO: We should try some different stuff here, but I'm making something up that I think will be interesting?
########
# Set the color to w/e the velocity is. This could be really erratic, so maybe add duration
# which transitions to the given color over the # of ms. Just not sure if it blocks execution.
light.set_hue(hue=mapped_velocity, rapid=True)
# Push the brightness up by some function of the velocity. Will need to mess with this.
def _new_brightness(current_brightness: int):
return current_brightness + BRIGHTNESS_INCREASE_SPEED
light.set_brightness(brightness=_new_brightness(current_brightness=light.get_color()[2]), rapid=True)
# Then start to lower the brightness to some min level slowly
light.set_brightness(brightness=MIN_BRIGHTNESS, duration=BRIGHTNESS_DROP_SPEED, rapid=True)
def apply(self, device_profile):
duration = device_profile['duration'] #milliseconds
dev = Light(device_profile['mac'], device_profile['ip'])
dev.set_power(device_profile['power'], duration) #range [0,65535]
dev.set_hue(device_profile['hue'], duration) #range [0-65535]
dev.set_saturation(device_profile['saturation'],
duration) #range [0-65535]
dev.set_brightness(device_profile['brightness'],
duration) #range [0-65535]
dev.set_colortemp(device_profile['temperature'],
duration) #range [2500-9000]
hue_angle = int(
math.atan2(greenCenter[1] -
yellowCenter[1], greenCenter[0] -
yellowCenter[0]) * -180 / math.pi + 180)
prev_hue_angle = max(
hue_angleDeque) if hue_angleDeque.__len__() > 0 else 0
hue_angleDeque.append(hue_angle)
current_hue_angle = max(hue_angleDeque)
if math.fabs(current_hue_angle - prev_hue_angle) > 1:
light_color = light.get_color()
hue_value = scaleValue(current_hue_angle, 0, 65535, 0, 359)
new_light_color = (hue_value, light_color[1],
light_color[2], light_color[3])
light.set_hue(hue_value, rapid=True)
light.set_color(new_light_color, rapid=True)
cv2.putText(
image, 'Hue: {}'.format(max(hue_angleDeque)),
(int(yellowCenter[0] - 40), int(yellowCenter[1] + 80)),
cv2.FONT_HERSHEY_SIMPLEX, 0.5, (255, 255, 255), 2)
except Exception as inst:
# if inst.__str__().index("greenCenter") < 0 or inst.__str__().index("yellowCenter") < 0: print(inst)
print(inst)
cv2.imshow("Window - Main", image)
key = cv2.waitKey(1) & 0xFF
# if the 'q' key is pressed, stop the loop
if key == ord("q"):