Script-node-examples.md

@@ -60,4 +60,31 @@ edges = [Edges]
 and here's a `numpy` version of the same script, to show that there's a reason to learn `numpy` if you want to write fast and succinct code.
 
 ```python
+"""
+in   n_petals s        default=8       nested=2
+in   vp_petal s        default=10      nested=2
+in   profile_radius s  ;=2.3           n=2
+in   amp s             default=1.0     nested=2
+in   origin v          defautt=(0,0,0) n=2
+out  verts v
+out  edges s
+"""
+
+TAU = np.pi * 2
+N = n_petals * vp_petal
+
+pi_vals = np.linspace(0, TAU, vp_petal, endpoint=False)
+pi_vals = np.tile(pi_vals, n_petals)
+amps = np.cos(pi_vals) * amp
+unit_circle = np.linspace(0, TAU, N, endpoint=False)
+circle_coords = np.array([np.sin(unit_circle), np.cos(unit_circle), np.zeros(N)])
+coords = circle_coords.T* (profile_radius + amps.reshape((-1, 1)))
+
+verts.append(coords.tolist())
+
+edge_indices_a = np.arange(0, N)
+edge_indices_b = np.roll(edge_indices_a, -1)
+final_edges = np.array([edge_indices_a, edge_indices_b]).T.tolist()
+edges.append(final_edges)
+
 ```
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