phetsims / proportion-playground

"Proportion Playground" is an educational simulation in HTML5, by PhET Interactive Simulations at the University of Colorado Boulder.
GNU General Public License v3.0
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Assertion failed: matrix should not map plane to a line or point #60

Closed jonathanolson closed 7 years ago

jonathanolson commented 7 years ago

It looks like the setScaleMagnitude going to 0 (no paint dripped, the order of execution is possible to get there).

Plan to use a scratch matrix to set the transform directly, OR to have a guard in place.