Trabajando en la animacion de las notificaciones

source/common/notify.cpp

@@ -7,7 +7,8 @@ Notify::Notify(SDL_Renderer *renderer, std::string bitmapFile, std::string textF
 {
     // Inicializa variables
     this->renderer = renderer;
-    bgColor = {32, 32, 32};
+    bgColor = {64, 64, 64};
+    waitTime = 300;
 
     // Crea objetos
     text = new Text(bitmapFile, textFile, renderer);
@@ -41,6 +42,48 @@ void Notify::update()
     for (int i = 0; i < (int)notifications.size(); ++i)
     {
         notifications.at(i).counter++;
+
+        // Comprueba los estados
+        if (notifications.at(i).state == ns_rising)
+        {
+            const float step = (notifications.at(i).counter / (float)notifications.at(i).texture->getHeight());
+            const int alpha = 255 * step;
+
+            notifications.at(i).rect.y++;
+            //notifications.at(i).texture->setAlpha(alpha);
+
+            if (notifications.at(i).rect.y == 0)
+            {
+                notifications.at(i).state = ns_stay;
+                //notifications.at(i).texture->setAlpha(255);
+                notifications.at(i).counter = 0;
+            }
+        }
+
+        else if (notifications.at(i).state == ns_stay)
+        {
+            if (notifications.at(i).counter == waitTime)
+            {
+                notifications.at(i).state = ns_vanishing;
+                notifications.at(i).counter = 0;
+            }
+        }
+        else if (notifications.at(i).state == ns_vanishing)
+        {
+
+            const float step = (notifications.at(i).counter / (float)notifications.at(i).texture->getHeight());
+            const int alpha = 255 * step;
+
+            notifications.at(i).rect.y--;
+            //notifications.at(i).texture->setAlpha(alpha);
+
+            if (notifications.at(i).rect.y == -notifications.at(i).texture->getHeight())
+            {
+                notifications.at(i).state = ns_finished;
+            }
+        }
+
+        notifications.at(i).sprite->setRect(notifications.at(i).rect);
     }
 
     clearFinishedNotifications();
@@ -51,7 +94,7 @@ void Notify::clearFinishedNotifications()
 {
     for (int i = (int)notifications.size() - 1; i >= 0; --i)
     {
-        if (notifications.at(i).counter >= 300)
+        if (notifications.at(i).state == ns_finished)
         {
             delete notifications.at(i).sprite;
             delete notifications.at(i).texture;
@@ -75,6 +118,7 @@ void Notify::showText(std::string text)
     n.counter = 0;
     n.state = ns_rising;
     n.text = text;
+    n.rect = {0, -height, width, height};
 
     // Crea la textura
     n.texture = new Texture(renderer);
@@ -86,7 +130,7 @@ void Notify::showText(std::string text)
     this->text->writeDX(TXT_CENTER | TXT_STROKE, width / 2, desp / 2, text, 1, {255, 255, 255}, 1, {0, 0, 0});
 
     // Crea el sprite
-    n.sprite = new Sprite({0, 0, width, height}, n.texture, renderer);
+    n.sprite = new Sprite(n.rect, n.texture, renderer);
 
     // Añade la notificación a la lista
     notifications.push_back(n);

source/common/notify.h

@@ -17,7 +17,8 @@ private:
 	{
 		ns_rising,
 		ns_stay,
-		ns_vanishing
+		ns_vanishing,
+		ns_finished
 	};
 
 	struct notification_t
@@ -27,6 +28,7 @@ private:
 		notification_state_e state;
 		Texture *texture;
 		Sprite *sprite;
+		SDL_Rect rect;
 	};
 
 	// Objetos y punteros
@@ -35,6 +37,7 @@ private:
 
 	// Variables
 	color_t bgColor;						   // Color de fondo de las notificaciones
+	int waitTime;							   // Tiempo que se ve la notificación
 	std::vector<notification_t> notifications; // La lista de notificaciones activas
 
 	// Elimina las notificaciones finalizadas
@@ -46,7 +49,7 @@ public:
 
 	// Actualiza el estado de las notificaiones
 	void update();
-	
+
 	// Constructor
 	Notify(SDL_Renderer *renderer, std::string bitmapFile, std::string textFile);