MacTuitui

error[E0433]: failed to resolve: use of undeclared type or module `vulkano`
   --> src/main.rs:180:5
    |
180 | /     nannou::vk::shaders::shader! {
181 | |         ty: "compute",
182 | |         src: "
183 | | #version 450
...   |
199 | | }"
200 | |     }

MacTuitui

//do a bad polygon
    let gfrac = ((app.elapsed_frames() % 300) as f32)/300.0;
    let mut points = Vec::new();
    let s = 5;
    for k in 0..s {
        let frac = (k as f32)/(s as f32);
        let angle = frac*TAU;
        let r = (frac-0.5+gfrac).abs() * 300.0;
        points.push(pt2(r*angle.cos(), r*angle.sin()));
    }

MacTuitui

extern crate nannou;

use nannou::prelude::*;
use nannou::prelude::Frame;
use std::process::exit;
use nannou::rand::*;

const SEED: u64 = 3;

fn main() {

MacTuitui

//adapt to your framework

val traceA = ArrayBuffer[Vec2]()
val traceB = ArrayBuffer[Vec2]()
val frac = frameCount%120
val frac2 = .7+.3*sin(frac*TWO_PI)
val s = 700
val r = width*.01
for(k <- 0 until s){
  val f = (k)*1.0/s

MacTuitui

//roughly like this

function draw(){
  var frac =  (gCount%200)*1.0/(100)
  if(frac>1 ) frac = 2-frac
  var frac2 =  (gCount%200)*1.0/(200)
  gFrac = 1-frac2
  val s = 40

  for(k <- 0 until s){