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/*******************************************************************************
* Copyright (c) 2018 Remain Software
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* wim.jongman@remainsoftware.com - initial API and implementation
*******************************************************************************/
// Copyright 2017 Wim Jongman
// var nice = [200, 200, 0.02, 0.002, 10, 2000, 4];
// var nice = [7280, 4320 , 0.02, 0.002, 10, 2000, 4];
var nice = [ 1440, 900, 0.02, 0.002, 20, 50, 4 ];
// var nice = [600, 600, 0.02, 0.002, 50, 1000, 3];
var myX;
var myY;
var inc;
var incTime;
var scl;
var parts;
var magnitude;
var fr;
var time = 0;
var iteration = 0;
var counter = 0;
var particles = [];
var flowField;
var lanes = new Array();
var pg;
function setup() {
myX = nice[0];
myY = nice[1];
inc = nice[2];
incTime = nice[3];
scl = nice[4];
parts = nice[5];
magnitude = nice[6];
createCanvas(window.innerWidth, window.innerHeight);
document.body.scrollTop = 0; // <-- pull the page back up to the top
document.body.style.overflow = 'hidden'; // <-- relevant addition
pixelDensity(1);
generateParticles();
}
function draw() {
background(0, 120);
updateParticles();
}
function generateParticles() {
for (var i = 0; i < parts; i++) {
particles[i] = new Particle();
}
}
function updateParticles() {
textSize(12);
textStyle(BOLD);
for (var i = 0; i < parts; i++) {
p = particles[i];
if (p.isActive()) {
p.applyForce();
p.update();
show(p);
}
}
}
function show(particle) {
doShow(particle, 0);
for (var i = 1; i < particle.fTrail.length; i++) {
doShow(particle, i, particle.fTrail.length);
}
}
function doShow(particle, pos, len) {
if (pos == 0) {
fill(200, 255, 200, 255);
} else if ((len - pos) < 4) {
fill(255 - (len - pos) * 50, 255, 255 - (len - pos) * 50,
200 - (len - pos) * 20);
} else {
fill(0, 255, 0, particle.getOpacity(pos));
}
text(particle.getChar(pos), particle.getX(pos), particle.getY(pos));
}
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