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fractalChaos.js
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fractalChaos.js
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var rule1 = false;
var pointX = 0;
var pointY = 0;
var sidelength = 400;
var n = 3;
var vertices = [];
for (var i = 0; i < n; i++) {
var vert = [Math.round(sidelength*Math.cos(i*2*Math.PI/n)), Math.round(sidelength*Math.sin(i*2*Math.PI/n))];
vertices.push(vert);
}
var vertex = vertices[0];
function updateN() {
n = parseInt(document.getElementById('sides').value);
background(0);
drawPolygon();
}
function toggleRule1() {
if (rule1 == true) {
rule1 = false;
} else {
rule1 = true;
}
updateN()
}
function setup() {
createCanvas(window.innerWidth, window.innerHeight);
angleMode(DEGREES);
background(0);
translate(width/2, height/2);
scale(1, -1);
cursor(ARROW);
drawPolygon();
}
function drawPolygon() {
vertices = [];
for (var i = 0; i < n; i++) {
var vert = [Math.round(sidelength*Math.cos(i*2*Math.PI/n)), Math.round(sidelength*Math.sin(i*2*Math.PI/n))];
vertices.push(vert);
}
stroke(0, 163, 255); //rgb(0, 163, 255)
strokeWeight(1);
for (var i = 0; i < vertices.length-1; i++) {
line(vertices[i][0], vertices[i][1], vertices[i+1][0], vertices[i+1][1]);
console.log(vertices[i][0], vertices[i][1], vertices[i+1][0], vertices[i+1][1]);
}
line(vertices[vertices.length-1][0], vertices[vertices.length-1][1], vertices[0][0], vertices[0][1] );
}
function draw() {
stroke(255);
strokeWeight(1);
translate(width/2, height/2);
scale(1, -1);
for (var i = 0; i < 100; i++) {
point(pointX, pointY);
if (rule1) {
var done = false;
while (!done) {
possible = vertices[Math.floor(Math.random()*(n-0.00000001))];
if (possible!=vertex) {
vertex = possible;
done = true;
}
}
} else {
vertex = vertices[Math.floor(Math.random()*(n-0.00000001))];
}
pointX = Math.floor((pointX+vertex[0])/2);
pointY = Math.floor((pointY+vertex[1])/2);
}
}