Hey there, Figured out your problem...
in line 7 & 8 instead of saying ticker%32/run_speed = 0 add two conditions.
if ticker%32/run_speed > -1 &&
ticker%32/run_speed < 1.
Purely because by changing run_speed to 5 you are returning a float value which is not = 0. Hope that helps.
What will happen is you will have gaps between your created objects so just change their width to 64px.