//

// 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.

​

/**

 * changing the size and the position of a letter

 *

 * MOUSE

 * position x          : size

 * position y          : position

 * drag                : draw

 *

 * KEYS

 * a-z                 : change letter

 * ctrl                : save png

 */

'use strict';

​

var font = 'sans-serif';

var letter = 'A';

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  background(255);

  fill(0);

​

  textFont(font);

  textAlign(CENTER, CENTER);

}

​

function mouseMoved() {

  clear();

  textSize((mouseX - width / 2) * 5 + 1);

  text(letter, width / 2, mouseY);

}

​

function mouseDragged() {

  textSize((mouseX - width / 2) * 5 + 1);

  text(letter, width / 2, mouseY);

}

​

function keyReleased() {

  if (keyCode == CONTROL) saveCanvas(gd.timestamp(), 'png');

}

​

function keyTyped() {

  letter = key;

}

​