Draggable arrows on the wrench

phetsims / wave-on-a-string

"Wave on a String" is an educational simulation in HTML5, by PhET Interactive Simulations.

GNU General Public License v3.0

7 stars 8 forks source link

Closed jonathanolson closed 9 years ago

jonathanolson commented 9 years ago

Add draggable arrows on the wrench from the start, that disappear the 1st time it is dragged.

jonathanolson commented 9 years ago

Arrows on top and bottom, draggable, but disappears.