FIX: typos

examples/animation/rain.py

@@ -21,31 +21,35 @@
                         ('growth',   float, 1),
                         ('color',    float, 4)])
 
-# Scatter plot is used to animated rain drops
+# Scatter plot is used to animate rain drops
 scat = ax.scatter(P['position'][:,0], P['position'][:,1], P['size'], lw=0.5,
                   animated=True, edgecolors = P['color'], facecolors='None')
 ax.set_xlim(0,1), ax.set_xticks([])
 ax.set_ylim(0,1), ax.set_yticks([])
 
 
 def update(frame):
-    i = frame % 50
+    i = frame % len(P)
 
     # Make all colors more transparent
     P['color'][:,3] = np.maximum(0, P['color'][:,3] - 1.0/len(P))
+
     # Make all circles bigger
     P['size'] += P['growth']
 
     # Pick a new position for oldest rain drop
     P['position'][i] = np.random.uniform(0,1,2)
+
     # Reset size
     P['size'][i]     = 5
+
     # Reset color
     P['color'][i]    = 0,0,0,1
+
     # Choose a random growth factor
     P['growth'][i]   = np.random.uniform(50,200)
 
-    # Update scatter plots
+    # Update scatter plot
     scat.set_edgecolors(P['color'])
     scat.set_sizes(P['size'])
     scat.set_offsets(P['position'])