# ikrsek-SectionC-Project-07-Curves

http://mathworld.wolfram.com/SphericalSpiral.html

``````//Isadora Krsek
//Ikrsek@andrew.cmu.edu
//Section C
//Project 07: Curves

var x;
var y;
var z;

function setup() {
createCanvas(400, 400);
noStroke();
}

function draw() {
background(0);
//adjusting placement & size of curves
translate(width/2, height/2);
scale(150)
limit = (map(mouseX, 0, width, 2, 8)); //caps the # of loops
limit2 = (map(mouseY,0,height,20, 80)) //caps the # of loops
push();
scale(3,3)
push();
rotate(mouseY,0,height,0,360)
drawLoxoB();
pop();
drawLoxo();
pop();
}

function drawLoxo() {
//a controls how many strokes there are in terms of representing the loxodrome
for (var a=.4; a<limit; a+=.2) {
//color change mapped to a
var rValue = (map(a, 0.4, 4, 0, 360))
fill(rValue);
for (var t = -20; t <limit2; t+=.1) {
x = ((cos(t))/(sqrt(1+pow(a,2)*pow(t,2))));
y = ((sin(t))/(sqrt(1+pow(a,2)*pow(t,2))));
vertex(x, y);
}
endShape();
}
}

function drawLoxoB() {
for (var a=.4; a<limit; a+=.2) {
var rValue = (map(a, 4, 0.4, 0, 360))
fill(rValue);
for (var t = -20; t <limit2; t+=.1) {
x = ((cos(t))/(sqrt(1+pow(a,2)*pow(t,2))));
y = ((sin(t))/(sqrt(1+pow(a,2)*pow(t,2))));
vertex(x, y);
}
endShape();
}
}``````

I was looking at a few different curves but was most inspired by the loxodrome which I decided to try to replicate 2-dimensionally.

I wanted to create something a little haunting, but still somewhat visually exciting in the spirit of October, and as a result this is what I came up with. It brings to mind for me, the headlight of a train as it’s running towards you inside of a tunnel.