Add require statement, see #269

phetsims · Dec 20, 2018 · 5e15fa0 · 5e15fa0
1 parent e6e9ea2
commit 5e15fa0
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/js/waves/model/WavesScreenModel.js b/js/waves/model/WavesScreenModel.js
@@ -29,6 +29,7 @@ define( require => {
   const VisibleColor = require( 'SCENERY_PHET/VisibleColor' );
   const WaterScene = require( 'WAVE_INTERFERENCE/common/model/WaterScene' );
   const waveInterference = require( 'WAVE_INTERFERENCE/waveInterference' );
+  const WaveInterferenceConstants = require( 'WAVE_INTERFERENCE/common/WaveInterferenceConstants' );
   const WaveInterferenceUtils = require( 'WAVE_INTERFERENCE/common/WaveInterferenceUtils' );
   const WaveSpatialType = require( 'WAVE_INTERFERENCE/common/model/WaveSpatialType' );