Perhaps a bar for a class should be broken into many sections, one for each assignment. When a student gets an assignment it adds a section to the top of the bar. They work on an assignment by clicking on the section representing it. The section's alpha value starts to decrease until the assignment is done, when the sections on top of it will fall down to fill the vacated space. Each bar should accrue interest, but reach a maximum.
Perhaps a bar for a class should be broken into many sections, one for each assignment. When a student gets an assignment it adds a section to the top of the bar. They work on an assignment by clicking on the section representing it. The section's
alpha
value starts to decrease until the assignment is done, when the sections on top of it will fall down to fill the vacated space. Each bar should accrue interest, but reach a maximum.