// P_3_0_01
//
// Generative Gestaltung, ISBN: 978-3-87439-759-9
// First Edition, Hermann Schmidt, Mainz, 2009
// Hartmut Bohnacker, Benedikt Gross, Julia Laub, Claudius Lazzeroni
// Copyright 2009 Hartmut Bohnacker, Benedikt Gross, Julia Laub, Claudius Lazzeroni
//
// 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
 */
var letter = "A";

function setup(){
  createCanvas(780, 780);
  background(255);
  stroke(255,0,255);
  noFill();
  textFont("Arial");
  textSize(12);
  textAlign(CENTER, CENTER);
}

function mouseMoved(){
  background(255);
  noStroke();
  fill(255,0,255);
  textSize((mouseX-width/2)*5+1);
  text(letter, width/2, mouseY);
}

function mouseDragged(){

  stroke(255,0,255);
  noFill();
  textSize((mouseX-width/2)*5+1);
  text(letter, width/2, mouseY);
}

function keyPressed() {
  if (keyCode == CONTROL) save("P_3_0_01.png");
}

function keyTyped(){
      letter = str(key);
  
}