Klaas van Gend

So we can have strong and weak springs. This probably requires a dialog with a "horizontal slider" control.

Requirements: - [ ] Must be horizontally stretchable by players - does not need to be tickless, increments of e.g. 25 cm is acceptable - [ ] Need to think...

this will show that the game is running: - play: 1x second - ff: 4x second - fff: 16x second?

I do want to be able to undo beyond the latest save, but I'd prefer to know if there are any unsaved changes before I exit or switch to another...

Object basic description: - A rope connects two objects. - A rope ties to an object through a hook (or similar). Rope requirements: - A rope has weight per length...