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clock.js

Summary.

Draw a clock using the canvas API from node-canvas.

Description.

A simple method consists in mapping hours, minutes and seconds into angles, and then map polar coordinates to cartesian coordinates, considering zero degrees at three o'clock.

 Documentation:
 - Ubuntu:
    - sudo apt install jsdoc-toolkit
    - sudo apt install npm
 - MacOS:
    - sudo port install npm5 (or npm6)
    - sudo npm install -g jsdoc
 - jsdoc -d doc-clock clock.js

 Server:
 - npm init
 - npm install canvas
 - node clock.js &
 
Since:
  • 14/11/2020
Author:
  • Paulo Roma Cavalcanti
Source:
See: