use type-specific Properties and validation

phetsims / plinko-probability

"Plinko Probability" is an educational simulation in HTML5, by PhET Interactive Simulations.

GNU General Public License v3.0

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use type-specific Properties and validation #111

Closed pixelzoom closed 6 years ago

pixelzoom commented 6 years ago

Noticed while working on #109 and #110. This sim does not use type-specific Properties, and does not use Property validation features. That should be changed at some point, since it will make PhET-iO instrumentation easier.

pixelzoom commented 6 years ago

12 occurrences of new Property in this sim, so this shouldn't take a lot of time.

pixelzoom commented 6 years ago

Addressed, closing.