Classes and functions for animated text and graphics on an LED display

datagod

Last update: Jan 4, 2023

Related tags

Hardware python raspberry-pi matrix adafruit python3 led hacktoberfest hacktoberfest2021

Overview

LEDarcade

A collection of classes and functions for animated text and graphics on an Adafruit LED Matrix.

See the LEDarcade in action: https://github.com/datagod/LEDarcade

Watch the Video: https://youtu.be/Z9uW0MQYcrE?t=10

The Running Man

Background

Arcade Retro Clock started out as a project on an 8x8 matrix. Over the years it has been converted to 16x16 and now 64x32. Each conversion process involved solving many bugs and enhancing the game play especially with respects to the computer's ability to play against itself.

For LEDarcade, I decided to isolate classes, functions, sprites, etc. that are used specifically for displaying messages and animations and to exclude any functions used to control the specific games.

What it can do

LEDArcade has many classes, functions, pre-defined sprites that are used to do the following:

draw a sprite
move a sprite
make a sprite float across the screen
raw animated sprites floating across the screen
draw text of multiple sizes
scroll text left or right at various speeds
multiple ways to clear the screen (zooming in / zooming out / fading)
scroll the screen around a large map, displaying only a section of the map in a window

There are many more functions available but they are fairly complex. As this project moves forward I will create more examples and document each function.

Example title screens

Requirements

Raspberry Pi 3 and up
Adafruit LED Matrix (64x32)
Adafruit RGB Hat
hzeller's RBG LED Matrix code: https://github.com/hzeller/rpi-rgb-led-matrix

Usage

Modify the test.py script to contain the messages you want to display. Then execute by issuing the comand:

sudo python3 test.py

Discord

Join us on discord: https://discord.gg/fUzbh48vRm

Blog

I blog about my Raspberry Pi projects. https://datagod.hashnode.dev/ledarcade-upping-your-led-game

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Comments

Syntax error in LEDarcade.l

sudo python SpaceDot.py --led-gpio-mapping=adafruit-hat
Traceback (most recent call last):
  File "SpaceDot.py", line 43, in <module>
    import LEDarcade as LED
  File "/home/pi/LEDarcade/LEDarcade.py", line 12106
    print ('--',end='')
                   ^
SyntaxError: invalid syntax

opened by ToontjeM 2

No Screen Output - Troubleshooting

I have a RPI ZW2 with a 64x32 screen. It is running MLB, NHL, NBA and a couple other boards without any problems. I performed "git clone https://github.com/datagod/LEDarcade"

Next I ran: python3 -m pip install --upgrade pip python3 -m pip install --upgrade Pillow

Now I'm running: "sudo python3 RunningTest.py" = No display on led matrix, but I see the commands being run on my ssh session.

Also: "sudo python3 RunningTest.py --led-gpio-mapping=adafruit-hat-pwm --led-brightness=40 --led-slowdown-gpio=2 --led-cols=64 --led-rgb-sequence=RBG"

Both commands have screen outputs as follows:

--Load Config Data-- Config file not found! Running with default values.

Suggestion: to slightly improve display update, add isolcpus=3 at the end of /boot/cmdline.txt and reboot (see README.md)

-- Starry Night Display Text Text1: HIGH SCORES Text2: WATCH THE TOP PLAYERS IN THE WORLD Text3: BREAK RECORDS, MAKE FRIENDS, CELEBRATE EXCELLENCE ElapsedSeconds: 2 ElapsedSeconds: 3 ElapsedSeconds: 5

Am I missing something simple?

Thanks!

opened by jediempi 0

Issue when launching Outbreak

Traceback (most recent call last):                                                                                            │    9 options.rows       = HatHeight
  File "Outbreak.py", line 3304, in <module>                                                                                  │   10 options.cols       = HatWidth
    LaunchOutbreak(100000)                                                                                                    │   11 options.brightness = 100
  File "Outbreak.py", line 3275, in LaunchOutbreak                                                                            │   12 #stops sparkling 
    PlayOutbreak(GameMaxMinutes)                                                                                              │   13 options.gpio_slowdown = 5
  File "Outbreak.py", line 2763, in PlayOutbreak                                                                              │   14 options.hardware_mapping = "adafruit-hat-pwm"
    DinnerPlate.DisplayWindowZoom(CameraH,CameraV,2,96,0)                                                                     │   15 
  File "Outbreak.py", line 502, in DisplayWindowZoom                                                                          │   16 #options.chain_length = self.args.led_chain
    self.DisplayWindow(h,v,Z)                                                                                                 │   17 options.chain_length = 1
  File "Outbreak.py", line 470, in DisplayWindow                                                                              │   18 #options.parallel = self.args.led_parallel
    name = self.Playfield[v+V][h+H].name                                                                                      │   19 #options.row_address_type = self.args.led_row_addr_type
IndexError: list index out of range

opened by ToontjeM 0

Error when starting Defender.py

GroundRGB: (0, 24, 0)                                                                                                         │
Traceback (most recent call last):                                                                                            │
  File "arcade.py", line 101, in <module>                                                                                     │
    LaunchArcade(5)                                                                                                           │
  File "arcade.py", line 73, in LaunchArcade                                                                                  │
    DE.LaunchDefender(GameMaxMinutes)                                                                                         │
  File "/home/pi/LEDarcade/Defender.py", line 2215, in LaunchDefender                                                         │
    PlayDefender(GameMaxMinutes)                                                                                              │
  File "/home/pi/LEDarcade/Defender.py", line 1337, in PlayDefender                                                           │
    Ground.CreateMountains(GroundRGB,SurfaceRGB,maxheight=MaxMountainHeight)                                                  │
  File "/home/pi/LEDarcade/LEDarcade.py", line 3171, in CreateMountains                                                       │
    self.map[mv][x] = (SurfaceR, SurfaceG, SurfaceB)                                                                          │
IndexError: list index out of range

opened by ToontjeM 1

Owner

datagod

I have been programming computers since 1982. I am a database architect who builds Raspberry Pi projects for fun. Read up on me: https://datagod.hashnode

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Classes and functions for animated text and graphics on an LED display

Related tags

Overview

LEDarcade

Background

What it can do

Example title screens

Requirements

Usage

Discord

Blog

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Comments

Syntax error in LEDarcade.l

No Screen Output - Troubleshooting

--Load Config Data-- Config file not found! Running with default values.

Issue when launching Outbreak

Error when starting Defender.py

Owner

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