ok fix?

examples/netz/sketch.js

@@ -0,0 +1,109 @@
+let wp;
+
+let area = 320;
+
+function setup() {
+  const canvas = createCanvas(windowWidth, windowHeight);
+  canvas.parent('sketch-host');
+
+  wp = new WallPlotter({
+    penUpGcode: 'M280 P0 S120',
+    penDownGcode: 'M280 P0 S30',
+    penUpDelayMs: 250,
+    penDownDelayMs: 150,
+  });
+  wp.setSpeed(10000, 10000);
+  wp.setTimingMultiplier(1); // tune if machine is slower than speed estimate, the higher the slower
+  wp.enableKeyInputs();
+  wp.enablePlotButtons();
+}
+
+function draw() {
+  background(28, 28, 32);
+  wp.showInfos();
+}
+
+function windowResized() {
+  resizeCanvas(windowWidth, windowHeight);
+}
+
+async function plot() {
+  await drawArt(false);
+}
+
+async function test() {
+  await drawArt(true);
+}
+
+async function drawArt(testOnly) {
+  wp.startPath();
+
+
+  wp.move(-area, -area);
+  //wp.wait(1000 * 10);
+
+  let step = area / 40;
+
+  let points = [];
+  let last_points = [];
+  let row = -1;
+
+  for (let y = -area; y <= area; y+=step){
+
+    // clear points
+    if(points.length>0){
+      last_points = deepCopy(points);
+      points = [];
+    }
+
+    let px = -area;
+    let py = y+random(10)
+    if (row==1){
+      py = last_points[0].y;
+    }
+
+
+    wp.move(px, py);
+    points.push(createVector(px,py));
+
+    let index = 1;
+    for (let x = -area+step; x <= area; x+=step){
+        px = x;
+        py = y+random(step);
+
+        if (row==1 && index%2==0){
+          py = last_points[index].y
+        }
+
+        if (row==1 && index%2!=0){
+          py = last_points[index-1].y+random(step*3);
+        }
+
+        if (last_points.length>0 && row==-1 && index%2!=0){
+          py = last_points[index].y
+        }
+
+        if (last_points.length>0 && row==-1 && index%2==0){
+          py = last_points[index-1].y+random(step*1);
+        }
+
+        wp.draw(px, py);
+        points.push(createVector(px,py));
+
+        index++;
+    }
+
+    row = row*-1;
+
+  }
+  await wp.runPath(testOnly);
+}
+
+
+function deepCopy(copy_array){
+  let new_array = []
+  for(let i=0; i<copy_array.length; i++){
+    new_array.push(copy_array[i]);
+  }
+  return new_array;
+}