botó per a donar energiaa les pilotes

source/main.cpp

@@ -20,8 +20,9 @@ void initBalls(int value)
 {
 	for (int i = 0; i < test[value]; ++i)
 	{
-		const int sign = ((rand() % 2) * 2) - 1;;
-		const float x = (rand()%(SCREEN_WIDTH/2)) + (SCREEN_WIDTH / 4);
+		const int sign = ((rand() % 2) * 2) - 1;
+		;
+		const float x = (rand() % (SCREEN_WIDTH / 2)) + (SCREEN_WIDTH / 4);
 		const float vx = (((rand() % 20) + 10) * 0.1f) * sign;
 		const float vy = ((rand() % 60) - 30) * 0.1f;
 		const color_t color = {(rand() % 192) + 32, (rand() % 192) + 32, (rand() % 192) + 32};
@@ -30,6 +31,17 @@ void initBalls(int value)
 	}
 }
 
+void pushUpBalls()
+{
+	for (auto ball : balls)
+	{
+		const int sign = ((rand() % 2) * 2) - 1;
+		const float vx = (((rand() % 20) + 10) * 0.1f) * sign;
+		const float vy = ((rand() % 40) * 0.1f) + 5;
+		ball->modVel(vx, -vy);
+	}
+}
+
 bool init()
 {
 	// Initialization flag
@@ -87,7 +99,7 @@ bool init()
 
 	texture = new Texture(renderer, "resources/pelota.png");
 	ticks = SDL_GetTicks();
-	srand (time(NULL));
+	srand(time(NULL));
 	initBalls(2);
 
 	return success;
@@ -139,6 +151,14 @@ void checkEvents()
 			shouldExit = true;
 			break;
 		}
+
+		if (event->type == SDL_KEYDOWN)
+		{
+			if (event->key.keysym.sym == SDLK_SPACE)
+			{
+				pushUpBalls();
+			}
+		}
 	}
 }