Update '1_letters/sketch.js'

1_letters/sketch.js

@@ -1,37 +1,5 @@
 // P_3_1_3_02
-//
+
-// Generative Gestaltung – Creative Coding im Web
-// ISBN: 978-3-87439-902-9, First Edition, Hermann Schmidt, Mainz, 2018
-// Benedikt Groß, Hartmut Bohnacker, Julia Laub, Claudius Lazzeroni
-// with contributions by Joey Lee and Niels Poldervaart
-// Copyright 2018
-//
-// http://www.generative-gestaltung.de
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-/**
- * analysing and sorting the letters of a text
- * connecting subsequent letters with lines
- *
- * MOUSE
- * position x          : interpolate between normal text and sorted position
- *
- * KEYS
- * 1                   : toggle lines on/off
- * 2                   : toggle text on/off
- * 3                   : switch all letters off
- * 4                   : switch all letters on
- * a-z                 : switch letter on/off
- * CONTROL             : save png
- */
 'use strict';
 
 var joinedText;