add range options to scale the scene depending on this range. Add rescale function to rescale the scene when a note is out of this range
'use strict';
var gulp = require('gulp');
var rimraf = require('gulp-rimraf');
// Clean
gulp.task('clean', function () {
return gulp.src(['.tmp', 'dist/css', 'dist/js', 'dist/img'], {read: false}).pipe(rimraf());
});