Add function to update positions and headings after one time step in Vicsek model

Author: Daniel Precioso, PhD

modules/collective-motion/vicsek.qmd

@@ -219,6 +219,7 @@ for i in range(num_boids):
 xy = np.mod(xy_new, box_size)
 # We overwrite xy with the new positions after applying periodic boundaries
 ```
+:::
 
 Do you have it? Excellent! Last but not least, we can put everything together in a function that takes the current positions and headings and returns the updated positions and headings after one time step.