añadido a param.txt los parametros de los globos para velocidad y gravedad

data/config/param.txt

@@ -1,9 +1,9 @@
-# GAME
+## GAME
 gameWidth 320
 gameHeight 240
 itemSize 20
 
-# FADE
+## FADE
 numSquaresWidth 160
 numSquaresHeight 120
 fadeRandomSquaresDelay 1
@@ -11,20 +11,33 @@ fadeRandomSquaresMult 500
 fadePostDuration 80
 venetianSize 16
 
-# SCOREBOARD
+## SCOREBOARD
 scoreboard.x 0
 scoreboard.y 200
 scoreboard.w 320
 scoreboard.h 40
 
-# TITLE
+## TITLE
 pressStart 170
 titleCounter 800
 arcadeEdition 123
 titleCC 80
 
-# BACKGROUND
+## BACKGROUND
 backgroundAttenuateColor.r 255
 backgroundAttenuateColor.g 255
 backgroundAttenuateColor.b 255
-backgroundAttenuateColor.a 0
+backgroundAttenuateColor.a 0
+
+## BALLOONS
+balloon1.vel 2.6f
+balloon1.grav 0.09f
+
+balloon2.vel 3.5f
+balloon2.grav 0.10f
+
+balloon3.vel 4.50f
+balloon3.grav 0.10f
+
+balloon4.vel 4.95f
+balloon4.grav 0.10f

source/balloon.cpp

@@ -2,8 +2,9 @@
 #include "balloon.h"
 
 // Constructor
-Balloon::Balloon(float x, float y, Uint8 kind, float velx, float speed, Uint16 creationtimer, Texture *texture, std::vector<std::string> *animation, SDL_Renderer *renderer)
+Balloon::Balloon(float x, float y, Uint8 kind, float velx, float speed, Uint16 creationtimer, Texture *texture, std::vector<std::string> *animation, param_t *param)
 {
+	this->param = param;
 	sprite = new AnimatedSprite(texture, "", animation);
 	disable();
 
@@ -22,8 +23,8 @@ Balloon::Balloon(float x, float y, Uint8 kind, float velx, float speed, Uint16 c
 		this->velX = velx;
 		velY = 0;
 		maxVelY = 3.0f;
-		gravity = 0.09f;
+		gravity = param->balloon1.grav;
-		defaultVelY = 2.6f;
+		defaultVelY = param->balloon1.vel;
 
 		// Puntos que da el globo al ser destruido
 		score = BALLOON_SCORE_1;
@@ -44,8 +45,8 @@ Balloon::Balloon(float x, float y, Uint8 kind, float velx, float speed, Uint16 c
 		this->velX = velx;
 		velY = 0;
 		maxVelY = 3.0f;
-		gravity = 0.10f;
+		gravity = param->balloon2.grav;
-		defaultVelY = 3.5f;
+		defaultVelY = param->balloon2.vel;
 
 		// Puntos que da el globo al ser destruido
 		score = BALLOON_SCORE_2;
@@ -66,8 +67,8 @@ Balloon::Balloon(float x, float y, Uint8 kind, float velx, float speed, Uint16 c
 		this->velX = velx;
 		velY = 0;
 		maxVelY = 3.0f;
-		gravity = 0.10f;
+		gravity = param->balloon3.grav;
-		defaultVelY = 4.50f;
+		defaultVelY = param->balloon3.vel;
 
 		// Puntos que da el globo al ser destruido
 		score = BALLOON_SCORE_3;
@@ -88,8 +89,8 @@ Balloon::Balloon(float x, float y, Uint8 kind, float velx, float speed, Uint16 c
 		this->velX = velx;
 		velY = 0;
 		maxVelY = 3.0f;
-		gravity = 0.10f;
+		gravity = param->balloon4.grav;
-		defaultVelY = 4.95f;
+		defaultVelY = param->balloon4.vel;
 
 		// Puntos que da el globo al ser destruido
 		score = BALLOON_SCORE_4;

source/balloon.h

@@ -85,6 +85,7 @@ private:
 
 	// Objetos y punteros
 	AnimatedSprite *sprite; // Sprite del objeto globo
+	param_t *param;			// Puntero con todos los parametros del programa
 
 	// Variables
 	float posX;				   // Posición en el eje X
@@ -139,7 +140,7 @@ private:
 
 public:
 	// Constructor
-	Balloon(float x, float y, Uint8 kind, float velx, float speed, Uint16 creationtimer, Texture *texture, std::vector<std::string> *animation, SDL_Renderer *renderer);
+	Balloon(float x, float y, Uint8 kind, float velx, float speed, Uint16 creationtimer, Texture *texture, std::vector<std::string> *animation, param_t *param);
 
 	// Destructor
 	~Balloon();

source/common/utils.h

@@ -171,6 +171,13 @@ struct options_t
 	std::vector<op_controller_t> controller; // Opciones con las asignaciones del mando para cada jugador
 };
 
+// Estructura para guardar los parametros de un globo
+struct balloon_t
+{
+	float grav; // Aceleración en el eje Y. Modifica la velocidad
+	float vel;	// Velocidad inicial que tienen al rebotar contra el suelo
+};
+
 // Estructura para almacenar todos los parámetros del juego
 struct param_t
 {
@@ -199,6 +206,9 @@ struct param_t
 	// BACKGROUND
 	color_t backgroundAttenuateColor;
 	int backgroundAttenuateAlpha;
+
+	// BALLOONS
+	balloon_t balloon1, balloon2, balloon3, balloon4; // Parametros de velocidad y gravedad de cada tipo de globo
 };
 
 // Estructura para almacenar ficheros de sonido y su nombre

source/game.cpp

@@ -1071,7 +1071,7 @@ void Game::renderBalloons()
 int Game::createBalloon(float x, int y, int kind, float velx, float speed, int creationtimer)
 {
 	const int index = (kind - 1) % 4;
-	Balloon *b = new Balloon(x, y, kind, velx, speed, creationtimer, balloonTextures[index], balloonAnimations[index], renderer);
+	Balloon *b = new Balloon(x, y, kind, velx, speed, creationtimer, balloonTextures[index], balloonAnimations[index], param);
 	balloons.push_back(b);
 	return (int)(balloons.size() - 1);
 }
@@ -1089,7 +1089,7 @@ void Game::createPowerBall()
 	const int x[3] = {left, center, right};
 	const float vx[3] = {BALLOON_VELX_POSITIVE, BALLOON_VELX_POSITIVE, BALLOON_VELX_NEGATIVE};
 
-	Balloon *b = new Balloon(x[luck], posY, POWER_BALL, vx[luck], enemySpeed, 100, balloonTextures[4], balloonAnimations[4], renderer);
+	Balloon *b = new Balloon(x[luck], posY, POWER_BALL, vx[luck], enemySpeed, 100, balloonTextures[4], balloonAnimations[4], param);
 	balloons.push_back(b);
 
 	powerBallEnabled = true;

source/load_param.cpp

@@ -33,6 +33,16 @@ void initParam(param_t *param)
 	// BACKGROUND
 	param->backgroundAttenuateColor = {255, 255, 255};
 	param->backgroundAttenuateAlpha = 32;
+
+	// BALLOONS
+	param->balloon1.vel = 2.60f;
+	param->balloon1.grav = 0.09f;
+	param->balloon2.vel = 3.50f;
+	param->balloon2.grav = 0.10f;
+	param->balloon3.vel = 4.50f;
+	param->balloon3.grav = 0.10f;
+	param->balloon4.vel = 4.95f;
+	param->balloon4.grav = 0.10f;
 }
 
 // Establece valores para los parametros a partir de un fichero de texto
@@ -238,6 +248,47 @@ bool setOptions(param_t *param, std::string var, std::string value)
 		param->backgroundAttenuateAlpha = std::stoi(value);
 	}
 
+	// BALLOON
+	else if (var == "balloon1.vel")
+	{
+		param->balloon1.vel = std::stof(value);
+	}
+
+	else if (var == "balloon1.grav")
+	{
+		param->balloon1.grav = std::stof(value);
+	}
+
+	else if (var == "balloon2.vel")
+	{
+		param->balloon2.vel = std::stof(value);
+	}
+
+	else if (var == "balloon2.grav")
+	{
+		param->balloon2.grav = std::stof(value);
+	}
+
+	else if (var == "balloon3.vel")
+	{
+		param->balloon3.vel = std::stof(value);
+	}
+
+	else if (var == "balloon3.grav")
+	{
+		param->balloon3.grav = std::stof(value);
+	}
+
+	else if (var == "balloon4.vel")
+	{
+		param->balloon4.vel = std::stof(value);
+	}
+
+	else if (var == "balloon4.grav")
+	{
+		param->balloon4.grav = std::stof(value);
+	}
+
 	// RESTO
 	else
 	{