Geometry example in the examples folder is broken

[davidfufu]

Is your issue REALLY a bug?

• My issue is indeed a bug!
• I am not crazy! I will not fill out this form just to ask a question or request a feature. Pinky promise.

Is there an existing issue for this?

• I have searched the existing issues.

Is this issue related to iced?

• My hardware is compatible and my graphics drivers are up-to-date.

What happened?

the geometry project in the examples doesn't work. the center vertex doesn't follow the mouse as the description says

What is the expected behavior?

for the demo to work properly

Version

master

Operating System

macOS

Do you have any log output?

No response