A new version of Graphics was added to project The Inbox:
http://source.squeak.org/inbox/Graphics-ct.419.mcz

==================== Summary ====================

Name: Graphics-ct.419
Author: ct
Time: 20 September 2019, 7:45:53.388726 pm
UUID: 5deebfce-0321-9645-aebd-0b4bfb428259
Ancestors: Graphics-nice.417

Add Rectangle>>#pointAtFraction:

Example: [(5 at 5 rect: 10 at 20) pointAtFraction: 0.5 at 1] will give you 7.5 @ 20.

dep:feat-ol

=============== Diff against Graphics-nice.417 ===============

Item was added:
+ ----- Method: Rectangle>>pointAtFraction: (in category 'rectangle functions') -----
+ pointAtFraction: relativePoint
+ 
+ 	^ self origin + (self extent * relativePoint)!