* Random Points

 * 

 * GIT:

 * Author: mark webster 2020

 * https://dpmanual.bitbucket.io

 * https://designingprograms.bitbucket.io

 *

 * LICENCE

 * This software is part of a package of pedagogical tools used 

 * with the online website, Computational Graphic Design Manual :

 * https://dpmanual.bitbucket.io

 *

 * Copyright ©2020  mark webster

 *

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation, either version 3 of the License, or

 * any later version.

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program. If not, see https://www.gnu.org/licenses/gpl-3.0.html.  

 * 

 */

​

​

let randSeed = 1;

/////////////////////////// SETUP ////////////////////////////

​

function setup() {

  createCanvas(500, 500);

  background(0);

  stroke(255);

}

​

/////////////////////////// DRAW ////////////////////////////

function draw() {

  background(0);

  randomSeed(randSeed);

  let numPoints = map(mouseX, 0, width, 1, 500);

  let cutOffVal = map(mouseY, 0, height, 1, 125);

  for(let i=0; i<numPoints; i++){

    let pntSize = random(1, cutOffVal);

    strokeWeight(pntSize);

    let x = random(width);

    let y = random(height);

    point(x, y);

  }

}

​

/////////////////////////// FUNCTIONS ////////////////////////////

function keyPressed() {

    if (key == 'r') {

    randSeed = random(1000);

  }

}