util.py
          rerun_demo.util
  Simpe utilities to be used for Rerun demos.
def bounce_lerp(a, b, t)
  A linear interpolator that bounces between a and b as t goes above 1.0.
Parameters:
| Name | Type | Description | Default | 
|---|---|---|---|
a | 
          Start value (t == 0).  | 
          required | |
b | 
          End value (t == 1).  | 
          required | |
t | 
          Interpolation coefficient.  | 
          required | 
def interleave(arr1, arr2)
  Interleaves two numpy arrays.
Parameters:
| Name | Type | Description | Default | 
|---|---|---|---|
arr1 | 
          A numpy array of arbitrary shape and length.  | 
          required | |
arr2 | 
          A numpy array with the same shape and length as   | 
          required |