Describe the bug
The blobs do not collide with the bricks

To Reproduce
Steps to reproduce the behavior:

1. Try to collide with the bricks

Expected behavior
If I am not mistaken the bricks are supposed to be obstacles

Screenshots
If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: macOS
• Browser Safari

Additional context
I am not sure if this is expected behavior.