918af4f3ac
* change simulator svg * change radio image * Remove google fonts cdn * change color of 'advanced' button * font fix * font fix 2 * display fix * change fullsceen simulator bg * Continuous servo * handle continuous state * adding shims * update rendering for continuous servos * fixing sim * fix sig * typo * fix sim * bump pxt * bump pxt * rerun travis * Input blocks revision - add Button and Pin event types - merge onPinPressed & onPinReleased in new onPinEvent function - create new onButtonEvent function * update input blocks in docs and tests * remove device_pin_release block * Hide DAL.x behind Enum * bring back deprecated blocks, but hide them * shims and locales files * fix input.input. typing * remove buildpr * bump V3 * update simulator aspect ratio * add Loudness Block * revoke loudness block * Adds soundLevel To be replaced by pxt-common-packages when DAL is updated. * Remove P0 & P3 from AnalogPin Co-authored-by: Juri <gitkraken@juriwolf.de>
1.2 KiB
1.2 KiB
Point Brightness
Read the brightness of a LED on the LED screen.
led.pointBrightness(0,0);
Parameters
x
is a number that means the horizontal spot on the LED screen (from left to right: 0, 1, 2, 3, or 4)y
is a number that means the vertical spot on the LED screen (from top to bottom: 0, 1, 2, 3, or 4)
If a parameter is out of bounds (a value
other than 0 to 4), this function will return false
.
Returns
- a number. If it is
true
, that means the LED is on. If it isfalse
, that means the LED is off.
~hint
The LED screen is a solid square of LEDs with five LEDs on each side.
To learn more about how you number the LEDs with x
and y
coordinates, see LED screen.
~
Example: Toggle off
This program turns the center LED (2, 2) off it is not bright enough. (If it is already off, this program leaves it off.)
if (led.pointBrightness(2, 2) < 100) {
led.unplot(2, 2)
}