convert ParticleAtom to typescript, #38

phetsims · Jul 12, 2023 · 99c4d79 · 99c4d79
1 parent f044fc3
commit 99c4d79
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Showing 2 changed files with 148 additions and 135 deletions.
diff --git a/js/model/Particle.ts b/js/model/Particle.ts
@@ -64,6 +64,9 @@ class Particle extends PhetioObject {
   public readonly zLayerProperty: TProperty<number>;
   private readonly disposeParticle: () => void;
 
+  // Assigned by other parties as a way to clean up animations.
+  public particleAtomRemovalListener: null | ( ( userControlled: boolean ) => void ) = null;
+
   public constructor( type: string, providedOptions?: ParticleOptions ) {
 
     const options = optionize<ParticleOptions, SelfOptions, PhetioObjectOptions>()( {