Implemented circle transition effect (for exit area)

1 files changed, 17 insertions, 0 deletions

@@ -34,6 +34,11 @@ public:
 
   void stopShakingCamera();
 
+  // Hides or reveals the screen using a circle transition.
+  // - length is the time in milliseconds
+  // - amount is [0,1], where 0 is fully revealed and 1 is fully hidden
+  void circleTransition(int length, double amount);
+
   /* Information */
 
   bool isScreenFaded() const { return screenFade_ > 0.0; }
@@ -52,6 +57,12 @@ public:
 
   bool isCameraShaking() const { return cameraShaking_; }
 
+  bool isCircleTransitionActive() const { return circleEffect_ > 0.0; }
+
+  double getCircleTransitionProgress() const { return circleEffect_; }
+
+  bool isCircleTransitionComplete() const { return circleEffect_ == circleEffectDest_; }
+
 private:
 
   Game& game_;
@@ -72,6 +83,12 @@ private:
   vec2i cameraShakeOffset_ { 0, 0 };
   bool cameraShakeOn_ = false;
   Timer cameraShakeTimer_ { 0 };
+
+  double circleEffect_ = 0.0;
+  double circleEffectDest_ = 0.0;
+  double circleEffectStart_ = 0.0;
+  double circleEffectLength_ = 0.0;
+  double circleEffectThus_ = 0.0;
 };
 
 #endif /* end of include guard: EFFECT_SYSTEM_H_0B497B39 */