text: /*
  function hfence(x, y, w, n) {
      for (let i = 0; i < n; i++) {
          lab.cam.mob.spawn( dna.prop.Fence, {
              type: 'center',
              x: x,
              y: y,
          })
          x += w
      }
  }
  
  function vfence(x, y, h, n) {
      for (let i = 0; i < n; i++) {
          lab.cam.mob.spawn( dna.prop.Fence, {
              type: 'middle',
              x: x,
              y: y,
          })
          y += h
      }
  }
  
  function setupFence() {
      const w = 64
      const h = 64
  
      const iw = 40
      const ih = 20
      const x1 = -640
      const y1 = 0
      const x2 = x1 + iw * w
      const y2 = y1 + ih * h
  
      hfence(x1 + w, y1, w, iw - 1)
      hfence(x1 + w, y2, w, iw - 1)
  
      vfence(x1, y1 + h, w, ih - 1)
      vfence(x2, y1 + h, w, ih - 1)
  
      lab.cam.mob.spawn( dna.prop.Fence, {
          type: 'top-left',
          x: x1,
          y: y1,
      })
      lab.cam.mob.spawn( dna.prop.Fence, {
          type: 'top-right',
          x: x2,
          y: y1,
      })
      lab.cam.mob.spawn( dna.prop.Fence, {
          type: 'bottom-left',
          x: x1,
          y: y2,
      })
      lab.cam.mob.spawn( dna.prop.Fence, {
          type: 'bottom-right',
          x: x2,
          y: y2,
      })
  }
  setupFence.Z = 12
  */
  