setup method

void setup()

Initializes the SceneController.

Implementation

void setup() {
  if (!GTween.initializedCommonWraps) {
    /// you can add your own `CustomTween.wrap()` registering.
    GTween.registerCommonWraps([
      GTweenableBlur.wrap,
      GTweenableDropShadowFilter.wrap,
      GTweenableGlowFilter.wrap,
    ]);
  }
  backScene?.$setup();
  frontScene?.$setup();
}