Random Lines Spin Art

I spent a good amount of time trying to decide what to make. I ended up moving certain variables to fit between my triangular sides to make a star or compass shape. To keep it more simple for myself to move between to points I made it so I was not changing all of the line points. I think this helped a lot to understand the movement of the lines better. I tried to condense my code as much as I could.

file

var dx1; //variables for each triangle 1= triangle 1, 2= triangle 2
var dy1;
var dy2;
var dx3;
var dy3;
var dx4;
var numLines = 35;
function setup() {
    createCanvas(400, 400);
    background(200);
    dx1 = (100 - 50) / numLines; //x2-x1/number of lines(thick or thin)
    dy1 = (300 - 100) / numLines; //makes line lenght shorter or longer(higher,lower)
    dy2 = (100 - 300) / numLines; //some of the movement could stay the same or be switched
    dx3 = (250 - 50) / numLines;
    dy3 = (100 - 150) / numLines;
    dx4 = (50 - 250) / numLines;
}
    
function draw() { //per 1 line stroke
    strokeWeight(.5);
    var x1 = 200; //variables for each line, every triangle has 2
    var y1 = 0; //must have different variables or will not run correctly
    var x2 = 150;//even if numbers are the same
    var y2 = 200;
    var x3 = 200;
    var y3 = 400;
    var x4 = 150;
    var y4 = 200;
    var x5 = 0;
    var y5 = 200;
    var x6 = 200;
    var y6 = 250;
    var x7 = 200;
    var y7 = 250;
    var x8 = 400; 
    var y8 = 200;

    for (var i = 0; i <= numLines; i += 1) { 
        line(x1, y1, 150, 200); //top tri, left line
        x1 += dx1;
        y1 += dy1;
        line(x2, y2, 250, 200); //top tri right line
        x2 += dx1;
        y2 += dy2;
        line(x3, y3, 150, 200); //bottom tri, left line
        x3 += dx1;
        y3 += dy2;
        line(x4, y4, 250, 200); //bottom tri right line
        x4 += dx1;
        y4 += dy1;
        line(x5, y5, 200, 250); //left tri, bottom line
        x5 += dx3;
        y5 += dy3;
        line(x6, y6, 200, 150); //right tri, top line
        x6 += dx3;
        y6 += dy3;
        line(x7, y7, 200, 150); //left tri, top line
        x7 += dx4;
        y7 += dy3;
        line(x8, y8, 200, 250); //right middle tri, bottom line
        x8 += dx4;
        y8 += dy3;
    }
    noLoop();
 }   

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