snowflake

makecode snow flake extension for 16x16 neopixel matrix display

Author: shaoziyang
Date: 2018.Dec

Add extension

open your microbit makecode project, in Add extension, paste

https://github.com/makecode-extensions/snowflake

to search box then search.

Basic usage

snowflake.config(
DigitalPin.P1,
true,
8,
50,
1,
50
)
snowflake.start()

API

• function load_background(dat: number[])
  Load a user back ground picture.
  You may using microbittoolbox to convert data and paste to javascript code.
  https://github.com/shaoziyang/microbit-lib/tree/master/utils/microbit_toolbox

• function load_default_backgroud()
  Load default back ground: christmas tree

• function config(pin: DigitalPin, cover: boolean, threshold: number, snowfall: number, MostAtATime: number, speed: number)
  configurate snow, you may adjust paramters to get different effect.

  • pin, which is used to control neopixel matrix
  • cover, enable/disable snow cover effect
  • threshold, snow cover threshold, range is [1-100]
  • snowfall, how much snow is falling, range is [1-100]
  • MostAtATime, new snowflake most at a time
  • speed, snowfall speed, the bigger the slower

• function start()
  start/resume snowfall. Function start() need to be called only once, not in a loop.

• function pause()
  pause snowfall.

• function reset()
  restart.

Demo

License

MIT

Copyright (c) 2018, microbit/micropython Chinese community

Supported targets

• for PXT/microbit

From microbit/micropython Chinese community