Phun Algodoo

It sounds like you're referring to Phun and Algodoo — two interactive 2D physics sandbox simulators.

engine for simulating lasers and lenses, as well as a fluid simulator for creating liquids. Thyme Scripting: phun algodoo

If you’ve ever spent hours building a digital Rube Goldberg machine or watching virtual liquid slosh around a container, you’ve likely encountered the legacy of . Originally created by Emil Ernerfeldt It sounds like you're referring to Phun and

(related search suggestions dispatched)

1. Select the Axis/Hinge Tool.
2. Click on an object, or where two objects overlap.
3. If you click a single object: It pins that object to the background. It can rotate, but won't fall.
4. If you click where two objects overlap: It joins them together at that point.