INNER CODE UNIT · JavaScript
initChalkboard
Booodaness/Scientific-Notes · Booodaness/_Assets/Presentations/phase-space-analysis-harmonic-oscillators.md/plugin/chalkboard/plugin (copy).js:52
const initChalkboard = function(Reveal){
//console.warn(path);
/* Feature detection for passive event handling*/
var passiveSupported = false;
try {
window.addEventListener("test", null, Object.defineProperty({}, "passive", { get: function() { passiveSupported = true; } }));
} catch(err) {}
/*****************************************************************
** Configuration
******************************************************************/
var background, pen, draw, color;
var grid = false;
var boardmarkerWidth = 3;
var chalkWidth = 7;
var chalkEffect = 1.0;