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2pRacerLEDs.md

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2p Racer LEDs and extensions

What is it?

This is a simple 2-player racing game on to separate strips of NeoPixels (60 pixels each works well).

Where's the code?

2pRacerLEDs.js

Controls:

During pre-game:

  • hold button A down to cycle colour for player 1
  • hold button B down to cycle colour for player 2
  • Shake to start race.

During race:

  • Button A or touch Pin1: make player 1 advance.
  • Button B or touch Pin2: make player 2 advance.

Radio Communication

Radio messages are sent and received on radio group 21

Output Codes

(from core game to external modules like controllers and sound effects modules)

Code Meaning
0 system initialising
1 p1 button was pressed
2 p2 button was pressed
5 choosing colours: started
10 game start imminent
11 red light (ready)
12 amber light (steady)
13 green light (go!)
20 race started
21 p1 is winning
22 p2 is winning
23 players are tied for lead
31 p1 wins
32 p2 wins
201 p1 button pressed before race started
202 p2 button pressed before race started

Input Codes:

(from remote controllers into core game)

Code Meaning
101 remote button press of p1
102 remote button press of p2
111 start p1 colour cycling
112 start p2 colour cycling
121 stop p1 colour cycling
122 stop p2 colour cycling
130 remote button prss of "start game"

Challenges for 2p Racer LEDs

  • make sound for the game by receiving an interpreting radio messages
    • using micropython: say "ready, steady, go", (remember to cut off the start of makecode-origin radio bytes before interpreting as numbers) (femi did this for me at Science Museum's first CoderDojo)
  • make a remote control for the game, using microbit's a, b, shake, etc.
  • make a remote control with kitchen foil and cardboard
  • make your own race game - perhaps against the clock, initially.

2pRacer Sound Module

What is it?

This is an extension to the 2p racer game which adds sound effects by listening for and interpreting the game events sent via radio by the core game. This demo makes sounds just by playing tones or triggering melodies.

Where's the code?

2pRacerRxSndPlayer.js

Challenges

  • Make your own version of this module
  • Have a different melody played when each player wins
  • Code in micropython and use text-to-speech to SAY "Ready, Steady, Go!"

2pRacer Remote Controller

What is it?

A demo of a controller (for two players) for the 2pRacerLEDs game, with buttons to start game, move player 1, and move player 2.

Where's the code?

2pRacerTxController.js

Challenges

  • make a remote control for the game, using microbit's a, b, shake, etc.
  • make a remote control with kitchen foil and cardboard
  • make two separate remote controls, on two different microbits
  • decorate your controller
  • think of what else you could control by remote