def initColoursForSensor(sensor):
Color.GREENBALL = Color(h=133, s=96, v=37)
Color.REDBALL = Color(h=3, s=98, v=22)
Color.BLUEBALL = Color(h=216, s=97, v=53)
Color.YELLOWBALL = Color(h=48, s=98, v=17)
Color.ORANGEBALL = Color(h=19, s=96, v=32)
Color.PURPLEBALL = Color(h=286, s=77, v=29)
sensor.detectable_colors(
(Color.WHITE, Color.NONE, Color.GREENBALL, Color.REDBALL,
Color.BLUEBALL, Color.YELLOWBALL, Color.ORANGEBALL, Color.PURPLEBALL))
from pybricks.pupdevices import ColorDistanceSensor
from pybricks.parameters import Port, Color
from pybricks.tools import wait
# Initialize the sensor.
sensor = ColorDistanceSensor(Port.A)
# First, decide which objects you want to detect, and measure their HSV values.
# You can do that with the hsv() method as shown in the previous example.
#
# Use your measurements to override the default colors, or add new colors:
Color.GREEN = Color(h=132, s=94, v=26)
Color.MAGENTA = Color(h=348, s=96, v=40)
Color.BROWN = Color(h=17, s=78, v=15)
Color.RED = Color(h=359, s=97, v=39)
# Put your colors in a list or tuple.
my_colors = (Color.GREEN, Color.MAGENTA, Color.BROWN, Color.RED, Color.NONE)
# Save your colors.
sensor.detectable_colors(my_colors)
# color() works as usual, but now it returns one of your specified colors.
while True:
color = sensor.color()
# Print the color.
print(color)
# Check which one it is.
if color == Color.MAGENTA:
from pybricks.hubs import TechnicHub
from pybricks.parameters import Color
from pybricks.tools import wait
from math import sin, pi
# Initialize the hub.
hub = TechnicHub()
# Make an animation with multiple colors.
hub.light.animate([Color.RED, Color.GREEN, Color.NONE], interval=500)
wait(10000)
# Make the color RED grow faint and bright using a sine pattern.
hub.light.animate(
[Color.RED * (0.5 * sin(i / 15 * pi) + 0.5) for i in range(30)], 40)
wait(10000)
# Cycle through a rainbow of colors.
hub.light.animate([Color(h=i * 8) for i in range(45)], interval=40)
wait(10000)
from pybricks.hubs import TechnicHub
from pybricks.parameters import Color
from pybricks.tools import wait
# Initialize the hub.
hub = TechnicHub()
# Show the color at 30% brightness.
hub.light.on(Color.RED * 0.3)
wait(2000)
# Use your own custom color.
hub.light.on(Color(h=30, s=100, v=50))
wait(2000)
# Go through all the colors.
for hue in range(360):
hub.light.on(Color(hue))
wait(10)
from pybricks.pupdevices import ColorSensor
from pybricks.parameters import Port, Color
from pybricks.tools import wait
# Initialize the sensor.
sensor = ColorSensor(Port.A)
# First, decide which objects you want to detect.
# Then measure their color with the hsv() method,
# as shown in the previous example. Write them down
# as shown below. The name is optional, but it is
# useful when you print the color value.
green = Color(h=132, s=94, v=26, name='GREEN_BRICK')
magenta = Color(h=348, s=96, v=40, name='MAGENTA_BRICK')
brown = Color(h=17, s=78, v=15, name='BROWN_BRICK')
red = Color(h=359, s=97, v=39, name='RED_BRICK')
# Put your colors in a list or tuple.
# Including None is optional. Just omit it if
# you always want to get one of your colors.
my_colors = (green, magenta, brown, red, None)
# Save your colors.
sensor.detectable_colors(my_colors)
# color() works as usual, but it only
# returns one of your specified colors.
while True:
color = sensor.color()
# Print the color.
If you give no arguments, the currently chosen colors will be returned as a tuple. Parameters: colors (list) – List of Color objects: the colors that you want to detect. You can pick standard colors such as Color.MAGENTA, or provide your own colors like Color(h=348, s=96, v=40, name='MY_MAGENTA_BRICK') for even better results. You measure your own colors with the hsv() method. """ # correct Color values green = Color(h=132, s=94, v=26) magenta = Color(h=348, s=96, v=40) brown = Color(h=17, s=78, v=15) red = Color(h=359, s=97, v=39) my_colors = (green, magenta, brown, red, Color.NONE) sensor.detectable_colors(my_colors) # Limits: Hue (0–359) Saturation (0–100) brightness Value (0–100) # at the moment there is **no** validation of the values given here w1_max = Color(h=359, s=100, v=100) w2_max = Color(h=1000, s=1000, v=1100) w3Err = Color(h=36, s=-1, v=25) error_colors = (w1_max, w2_max, w3Err, Color.NONE) sensor.detectable_colors(error_colors)
If you give no arguments, the currently chosen colors will be returned as a tuple. Parameters: colors (list) – List of Color objects: the colors that you want to detect. You can pick standard colors such as Color.MAGENTA, or provide your own colors like Color(h=348, s=96, v=40, name='MY_MAGENTA_BRICK') for even better results. You measure your own colors with the hsv() method. """ # correct Color values green = Color(h=132, s=94, v=26, name='GREEN_BRICK') magenta = Color(h=348, s=96, v=40, name='MAGENTA_BRICK') brown = Color(h=17, s=78, v=15, name='BROWN_BRICK') red = Color(h=359, s=97, v=39, name='RED_BRICK') my_colors = (green, magenta, brown, red, None) sensor.detectable_colors(my_colors) # Limits: Hue (0–359) Saturation (0–100) brightness Value (0–100) # at the moment there is **no** validation of the values given here w1_max = Color(h=359, s=100, v=100) w2_max = Color(h=1000, s=1000, v=1100) w3Err = Color(h=36, s=-1, v=25) error_colors = (w1_max, w2_max, w3Err, None) sensor.detectable_colors(error_colors)
from pybricks.parameters import Color # You can print colors. Colors may be obtained from the Color class, or # from sensors that return color measurements. print(Color.RED) # You can read hue, saturation, and value properties. print(Color.RED.h, Color.RED.s, Color.RED.v) # You can make your own colors. Saturation and value are 100 by default. my_green = Color(h=125) my_dark_green = Color(h=125, s=80, v=30) # When you print custom colors, you see exactly how they were defined. print(my_dark_green) # You can also add colors to the builtin colors. Color.MY_DARK_BLUE = Color(h=235, s=80, v=30) # When you add them like this, printing them only shows its name. But you can # still read h, s, v by reading its attributes. print(Color.MY_DARK_BLUE) print(Color.MY_DARK_BLUE.h, Color.MY_DARK_BLUE.s, Color.MY_DARK_BLUE.v)
from pybricks.hubs import TechnicHub
from pybricks.pupdevices import ColorDistanceSensor
from pybricks.parameters import Port, Color
from pybricks.tools import wait
sensor = ColorDistanceSensor(Port.B)
led = TechnicHub().light
lastReading = None
while True:
wait(100)
newReading = sensor.distance()
if newReading != lastReading:
print(newReading)
lastReading = newReading
if newReading == 100:
led.off()
else:
led.on(Color(newReading * 3))