I want to prepare a bike software that will run but i can't do perfectly any can help me...

Question

https://code.sololearn.com/cPUn36tBY31R/?ref=app

Answer 1

Hint: try doing that in Processing https://processing.org, the output will be straight forward and you'll avoid applets that are nowadays a dead technology.

Answer 2

I wish I could help. Looks interesting. Unfortunately, I spent time reading docs to understand applets so I could understand your code.