An uncluttered blackboard, ideal for simple sketches during online meetings

Related tags

Command-line blackboard whiteboard
Overview

lavagna

It's a blackboard, not a lasagna.

preview

Lavagna is a "no frills" blackboard, ideal for simple sketches during online meetings. You have just a black screen, without icons or buttons cluttering your beautiful drawings.

Just you and your chalk.

Keyboard shortcuts

Button Action Note
Esc Quit Quit the application
X Clear Take a snapshot and clear everything
C Color Change the chalk color
Z Undo Resume the last snapshot
S Snapshot Take a snapshot

Instant collaboration

lavagna can use WebRtc for instant collaboration. Try it:

cargo run --bin lavagna -- --collab-url wss://lavagna-server.herokuapp.com/YOUR_ROOM

Change YOUR_ROOM to whatever you prefer.

You can setup your own server by using lavagna_server crate.

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Comments
  • When collaborating, cursor position is shared

    When collaborating, cursor position is shared

    Describe the bug When collaborating, cursor position is shared: while user1 is pressing and user2 move the cursor over the canvas without touching, the pencil draw a line jumping from user1 position to user2 position.

    To Reproduce Steps to reproduce the behavior:

    1. Open a collaborative lavagna in two different computers.
    2. Start drawing and keep pressing on computer A
    3. Just move the mouse in computer B
    4. A line is drawn from position in computer A to position in computer B

    Expected behavior

    Nothing should be drawn when mouse is just moving without pressing in computer B, if A is drawing.

    opened by alepez 0
Owner
Alessandro Pezzato
Alessandro Pezzato
GitHub https://github.com/alepez/lavagna
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