Use a variable to add the costs of premium features that are selected or deselected using an iOS switch component. See a video of how to do this step-by-step in this webinar: https://support.proto.io/hc/en-us/articles/115001585411-Model-advanced-prototypes-that-use-variables-part-II TAGS: variables variable math addition switch switches fire an items event

A project which simulates a collision between 2 objects. Freely drag the objects onto each other in order to have their core color change when colliding.

A website template with multilevel dropdown menus and scrolling area.

A project which uses Vector Animations to recreate popular social app interactions.

A 3D Interactive Walkthrough of a space using the Proto.io VR Component. Using gaze click interactions you can transition from one 360° scene to another. Import this fully editable project into your Proto.io account to create your own 3D interactive walkthrough.

A simulation of a shopping cart project. Add remove products to a pre-set shopping cart (Use of variables and States)