/* built with Studio Sketchpad: 
 *   https://sketchpad.cc
 * 
 * observe the evolution of this sketch: 
 *   https://studio.sketchpad.cc/sp/pad/view/ro.snWs5vRc2hE/rev.4
 * 
 * authors: 
 *   GoToLoop

 * license (unless otherwise specified): 
 *   creative commons attribution-share alike 3.0 license.
 *   https://creativecommons.org/licenses/by-sa/3.0/ 
 */ 



/**
 * Quadrant Mouse Position (v1.0)
 * GoToLoop (2016-Feb-25)
 *
 * forum.Processing.org/two/discussion/15129/mousex-and-mousey
 * studio.ProcessingTogether.com/sp/pad/export/ro.9hc1FSKJk66wK
 */

static final int FPS = 5, BOLD = 8;
static final boolean ONLINE = 1/2 == 1/2.;

String quadrant;

void setup() {
  size(800, 600);
  smooth(4);
  noLoop();
  frameRate(FPS);

  stroke(0);
  strokeWeight(BOLD);
  rectMode(CORNER);

  mouseMoved();
}

void draw() {
  fill((color) random(#000000));
  rect(0, 0, width, height);

  final int cx = width>>1, cy = height>>1;
  line(0, cy, width, cy);
  line(cx, 0, cx, height);

  if (!ONLINE)  frame.setTitle("Quadrant: " + quadrant);
  else          println("Quadrant: " + quadrant);
}

void mouseMoved() {
  final int cx = width>>1, cy = height>>1;
  final int mx = mouseX, my = mouseY;

  if      (mx < cx & my < cy)   quadrant = "Top-Left";
  else if (mx < cx & my >= cy)  quadrant = "Bottom-Left";
  else if (mx >= cx & my < cy)  quadrant = "Top-Right";
  else                          quadrant = "Bottom-Right";

  redraw();
}