ConstTemporary white/colored glow flash on a container. Creates a glow Graphics, fades it out, then destroys it.
Optionalconfig: {3-step merge animation: squash → bounce → settle. Creates a satisfying impact feel on tile merges.
Optionalconfig: {Animate a text object's displayed number from→to with optional flash and punch.
Optionalconfig: {Slide a target to position (for grid tile movement).
Optionalconfig: { duration?: number; ease?: string }
Game-feel animation presets: merge squash, impact pop, score roll, etc. All methods return Promise and build on TweenHelper.