migrats els fitxers .ani a segons/frame

data/credits/shine.ani

@@ -3,7 +3,7 @@ frame_height=8
 
 [animation]
 name=default
-speed=6
+speed=0.1000
 loop=-1
 frames=0,1,2,3,4,5,6,7
 [/animation]

data/enemies/abad.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=8
+speed=0.1333
 loop=0
 frames=0,1,2
 [/animation]

data/enemies/abad_bell.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=4
+speed=0.0667
 loop=0
 frames=0,1,2,3,4,5,6,7,8,9
 [/animation]

data/enemies/amstrad_cs.ani

@@ -3,7 +3,7 @@ frame_height=8
 
 [animation]
 name=default
-speed=4
+speed=0.0667
 loop=0
 frames=0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255
 [/animation]

data/enemies/arounders_door.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=8
+speed=0.1333
 loop=0
 frames=0,1,2,3,3,3,3,3,3,3,3,3,3,3,3,2,1,0,0,0
 [/animation]

data/enemies/arounders_machine.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=4
+speed=0.0667
 loop=0
 frames=0,1,2,3
 [/animation]

data/enemies/bat.ani

@@ -3,7 +3,7 @@ frame_height=7
 
 [animation]
 name=default
-speed=3
+speed=0.0500
 loop=0
 frames=0,1
 [/animation]

data/enemies/batman.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=8
+speed=0.1333
 loop=0
 frames=0,1,2,3
 [/animation]

data/enemies/batman_bell.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=6
+speed=0.1000
 loop=0
 frames=0,1,2,3,4,5
 [/animation]

data/enemies/batman_fire.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=4
+speed=0.0667
 loop=0
 frames=0,1,2,3
 [/animation]

data/enemies/bell.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=6
+speed=0.1000
 loop=0
 frames=0,1,2,3,4,5,6,7,8,9,10,11
 [/animation]

data/enemies/bin.ani

@@ -3,7 +3,7 @@ frame_height=8
 
 [animation]
 name=default
-speed=10
+speed=0.1667
 loop=0
 frames=0,1,2,3,4
 [/animation]

data/enemies/bird.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=8
+speed=0.1333
 loop=0
 frames=0,1,2,3
 [/animation]

data/enemies/breakout.ani

@@ -3,7 +3,7 @@ frame_height=32
 
 [animation]
 name=default
-speed=6
+speed=0.1000
 loop=0
 frames=0,1,2,3,4,5,6,7,6,5,4,3,2,1
 [/animation]

data/enemies/bry.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=6
+speed=0.1000
 loop=0
 frames=0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3,4,5,4,5,4,5,4,5,4,5,4,5,4,5,4,5,4,5,4,5,4,5,4,5
 [/animation]

data/enemies/chip.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=8
+speed=0.1333
 loop=0
 frames=0,1,2,3
 [/animation]

data/enemies/code.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=6
+speed=0.1000
 loop=0
 frames=0,1,2,3
 [/animation]

data/enemies/congo.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=6
+speed=0.1000
 loop=0
 frames=0,1,2,3
 [/animation]

data/enemies/crosshair.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=6
+speed=0.1000
 loop=0
 frames=0,1,2,3
 [/animation]

data/enemies/demon.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=8
+speed=0.1333
 loop=0
 frames=0,1,2,3
 [/animation]

data/enemies/dimallas.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=8
+speed=0.1333
 loop=0
 frames=0,1,2,3
 [/animation]

data/enemies/dong.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=6
+speed=0.1000
 loop=0
 frames=0,1,2,3,4,5
 [/animation]

data/enemies/elsa.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=6
+speed=0.1000
 loop=0
 frames=0,1,2,3,4,5
 [/animation]

data/enemies/floppy.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=8
+speed=0.1333
 loop=0
 frames=0,1,2,3
 [/animation]

data/enemies/flying_arounder.ani

@@ -3,7 +3,7 @@ frame_height=7
 
 [animation]
 name=default
-speed=10
+speed=0.1667
 loop=0
 frames=0
 [/animation]

data/enemies/guitar.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=8
+speed=0.1333
 loop=0
 frames=0,1,2,3
 [/animation]

data/enemies/heavy.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=8
+speed=0.1333
 loop=0
 frames=0,1,2,3
 [/animation]

data/enemies/jailbattle_alien.ani

@@ -3,7 +3,7 @@ frame_height=15
 
 [animation]
 name=default
-speed=6
+speed=0.1000
 loop=0
 frames=0,1
 [/animation]

data/enemies/jailbattle_human.ani

@@ -3,7 +3,7 @@ frame_height=13
 
 [animation]
 name=default
-speed=6
+speed=0.1000
 loop=0
 frames=0,1
 [/animation]

data/enemies/jailer_#1.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=4
+speed=0.0667
 loop=0
 frames=0,1,2,3
 [/animation]

data/enemies/jailer_#2.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=4
+speed=0.0667
 loop=0
 frames=0,1,2,3,4,5,0,1,2,3,4,5,0,1,2,3,4,5,0,1,2,3,4,5,0,1,2,3,4,5,1,3,5,1,3,5,1,3,5
 [/animation]

data/enemies/jailer_#3.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=4
+speed=0.0667
 loop=0
 frames=0,1,2,3
 [/animation]

data/enemies/jeannine.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=6
+speed=0.1000
 loop=0
 frames=0,1,2,3
 [/animation]

data/enemies/lamp.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=4
+speed=0.0667
 loop=0
 frames=0,1
 [/animation]

data/enemies/lord_abad.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=6
+speed=0.1000
 loop=0
 frames=0,1,2,3
 [/animation]

data/enemies/matatunos.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=8
+speed=0.1333
 loop=0
 frames=0,1,2,3,4,5
 [/animation]

data/enemies/mummy.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=12
+speed=0.2000
 loop=0
 frames=0,1,2,3
 [/animation]

data/enemies/paco.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=4
+speed=0.0667
 loop=0
 frames=0,1,2,3,4,5,6,7
 [/animation]

data/enemies/qvoid.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=8
+speed=0.1333
 loop=0
 frames=0,1,2,3,4,5,6,7
 [/animation]

data/enemies/robot.ani

@@ -3,7 +3,7 @@ frame_height=32
 
 [animation]
 name=default
-speed=4
+speed=0.0667
 loop=0
 frames=0,1,2,3
 [/animation]

data/enemies/sam.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=5
+speed=0.0833
 loop=0
 frames=0,1
 [/animation]

data/enemies/shock.ani

@@ -3,7 +3,7 @@ frame_height=8
 
 [animation]
 name=default
-speed=6
+speed=0.1000
 loop=0
 frames=0,1,2,3,4,5,4,3,2,1
 [/animation]

data/enemies/sigmasua.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=8
+speed=0.1333
 loop=0
 frames=0,1,2,3
 [/animation]

data/enemies/spark.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=6
+speed=0.1000
 loop=0
 frames=0,1,2,3
 [/animation]

data/enemies/special/aerojailer.ani

@@ -3,7 +3,7 @@ frame_height=44
 
 [animation]
 name=default
-speed=100
+speed=1.6667
 loop=0
 frames=0
 [/animation]

data/enemies/special/arounder.ani

@@ -3,7 +3,7 @@ frame_height=90
 
 [animation]
 name=default
-speed=100
+speed=1.6667
 loop=0
 frames=0
 [/animation]

data/enemies/special/pepe_rosita_job.ani

@@ -3,7 +3,7 @@ frame_height=47
 
 [animation]
 name=default
-speed=100
+speed=1.6667
 loop=0
 frames=0
 [/animation]

data/enemies/special/shooting_star.ani

@@ -3,7 +3,7 @@ frame_height=64
 
 [animation]
 name=default
-speed=6
+speed=0.1000
 loop=-1
 frames=18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18
 [/animation]

data/enemies/spider.ani

@@ -3,7 +3,7 @@ frame_height=8
 
 [animation]
 name=default
-speed=4
+speed=0.0667
 loop=0
 frames=0,1,2,3
 [/animation]

data/enemies/stopped_arounder.ani

@@ -3,7 +3,7 @@ frame_height=8
 
 [animation]
 name=default
-speed=10
+speed=0.1667
 loop=0
 frames=0,1,2,3
 [/animation]

data/enemies/tree_thing.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=6
+speed=0.1000
 loop=0
 frames=0,1,2,3,4,5,6,7,8,9,10,11,12
 [/animation]

data/enemies/tuno.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=8
+speed=0.1333
 loop=0
 frames=0,1,2,3,3,2,1,0
 [/animation]

data/enemies/tv.ani

@@ -3,7 +3,7 @@ frame_height=18
 
 [animation]
 name=default
-speed=5
+speed=0.0833
 loop=0
 frames=0,1,2,3
 [/animation]

data/enemies/tv_panel.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=4
+speed=0.0667
 loop=0
 frames=0,1,2,3
 [/animation]

data/enemies/upv_student.ani

@@ -3,7 +3,7 @@ frame_height=16
 
 [animation]
 name=default
-speed=8
+speed=0.1333
 loop=0
 frames=0,1,2,3
 [/animation]

data/enemies/walking_arounder.ani

@@ -3,7 +3,7 @@ frame_height=8
 
 [animation]
 name=default
-speed=6
+speed=0.1000
 loop=0
 frames=0,1
 [/animation]

data/enemies/wave.ani

@@ -3,7 +3,7 @@ frame_height=8
 
 [animation]
 name=default
-speed=8
+speed=0.1333
 loop=0
 frames=0,1,2,3
 [/animation]

data/enemies/z80.ani

@@ -3,7 +3,7 @@ frame_height=32
 
 [animation]
 name=default
-speed=8
+speed=0.1333
 loop=0
 frames=0,1,2,3
 [/animation]

data/player/player.ani

@@ -3,21 +3,21 @@ frame_height=16
 
 [animation]
 name=stand
-speed=8
+speed=0.1333
 loop=0
 frames=0
 [/animation]
 
 [animation]
 name=walk
-speed=8
+speed=0.1333
 loop=0
 frames=0,1,2,3
 [/animation]
 
 [animation]
 name=walk_menu
-speed=0
+speed=0.0
 loop=0
 frames=0,1,2,3
 [/animation]

data/player/player2.ani

@@ -3,21 +3,21 @@ frame_height=16
 
 [animation]
 name=stand
-speed=8
+speed=0.1333
 loop=0
 frames=0
 [/animation]
 
 [animation]
 name=walk
-speed=8
+speed=0.1333
 loop=0
 frames=0,1,2,3,4,5,6,7
 [/animation]
 
 [animation]
 name=walk_menu
-speed=0
+speed=0.0
 loop=0
 frames=0,1,2,3,4,5,6,7
 [/animation]

data/player/player_game_over.ani

@@ -3,7 +3,7 @@ frame_height=18
 
 [animation]
 name=default
-speed=6
+speed=0.1000
 loop=0
 frames=0,1,2,3
 [/animation]

source/core/rendering/surface_animated_sprite.cpp

@@ -63,20 +63,72 @@ auto SurfaceAnimatedSprite::getIndex(const std::string& name) -> int {
     return -1;
 }
 
-// Calcula el frame correspondiente a la animación
+// Calcula el frame correspondiente a la animación (time-based)
-void SurfaceAnimatedSprite::animate() {
+void SurfaceAnimatedSprite::animate(float delta_time) {
-    if (animations_[current_animation_].speed == 0) {
+    if (animations_[current_animation_].speed <= 0.0F) {
         return;
     }
 
-    // Calcula el frame actual a partir del contador
+    // Acumula el tiempo transcurrido
-    animations_[current_animation_].current_frame = animations_[current_animation_].counter / animations_[current_animation_].speed;
+    animations_[current_animation_].accumulated_time += delta_time;
+
+    // Calcula el frame actual a partir del tiempo acumulado
+    const int TARGET_FRAME = static_cast<int>(
+        animations_[current_animation_].accumulated_time /
+        animations_[current_animation_].speed
+    );
+
+    // Si alcanza el final de la animación, maneja el loop
+    if (TARGET_FRAME >= static_cast<int>(animations_[current_animation_].frames.size())) {
+        if (animations_[current_animation_].loop == -1) {
+            // Si no hay loop, congela en el último frame
+            animations_[current_animation_].current_frame =
+                static_cast<int>(animations_[current_animation_].frames.size()) - 1;
+            animations_[current_animation_].completed = true;
+
+            // Establece el clip del último frame
+            if (animations_[current_animation_].current_frame >= 0) {
+                setClip(animations_[current_animation_].frames[animations_[current_animation_].current_frame]);
+            }
+        } else {
+            // Si hay loop, vuelve al frame indicado
+            animations_[current_animation_].accumulated_time =
+                static_cast<float>(animations_[current_animation_].loop) *
+                animations_[current_animation_].speed;
+            animations_[current_animation_].current_frame = animations_[current_animation_].loop;
+
+            // Establece el clip del frame de loop
+            setClip(animations_[current_animation_].frames[animations_[current_animation_].current_frame]);
+        }
+    } else {
+        // Actualiza el frame actual
+        animations_[current_animation_].current_frame = TARGET_FRAME;
+
+        // Establece el clip del frame actual
+        if (animations_[current_animation_].current_frame >= 0 &&
+            animations_[current_animation_].current_frame <
+            static_cast<int>(animations_[current_animation_].frames.size())) {
+            setClip(animations_[current_animation_].frames[animations_[current_animation_].current_frame]);
+        }
+    }
+}
+
+// Calcula el frame correspondiente a la animación (frame-based, deprecated)
+void SurfaceAnimatedSprite::animate() {
+    if (animations_[current_animation_].speed == 0.0F) {
+        return;
+    }
+
+    // Calcula el frame actual a partir del contador (sistema antiguo)
+    animations_[current_animation_].current_frame =
+        static_cast<int>(animations_[current_animation_].counter / animations_[current_animation_].speed);
 
     // Si alcanza el final de la animación, reinicia el contador de la animación
     // en función de la variable loop y coloca el nuevo frame
     if (animations_[current_animation_].current_frame >= static_cast<int>(animations_[current_animation_].frames.size())) {
         if (animations_[current_animation_].loop == -1) {  // Si no hay loop, deja el último frame
-            animations_[current_animation_].current_frame = animations_[current_animation_].frames.size();
+            animations_[current_animation_].current_frame =
+                static_cast<int>(animations_[current_animation_].frames.size()) - 1;
             animations_[current_animation_].completed = true;
         } else {  // Si hay loop, vuelve al frame indicado
             animations_[current_animation_].counter = 0;
@@ -104,7 +156,8 @@ void SurfaceAnimatedSprite::setCurrentAnimation(const std::string& name) {
     if (current_animation_ != NEW_ANIMATION) {
         current_animation_ = NEW_ANIMATION;
         animations_[current_animation_].current_frame = 0;
-        animations_[current_animation_].counter = 0;
+        animations_[current_animation_].accumulated_time = 0.0F;  // Time-based
+        animations_[current_animation_].counter = 0;              // Frame-based (deprecated)
         animations_[current_animation_].completed = false;
         setClip(animations_[current_animation_].frames[animations_[current_animation_].current_frame]);
     }
@@ -116,13 +169,20 @@ void SurfaceAnimatedSprite::setCurrentAnimation(int index) {
     if (current_animation_ != NEW_ANIMATION) {
         current_animation_ = NEW_ANIMATION;
         animations_[current_animation_].current_frame = 0;
-        animations_[current_animation_].counter = 0;
+        animations_[current_animation_].accumulated_time = 0.0F;  // Time-based
+        animations_[current_animation_].counter = 0;              // Frame-based (deprecated)
         animations_[current_animation_].completed = false;
         setClip(animations_[current_animation_].frames[animations_[current_animation_].current_frame]);
     }
 }
 
-// Actualiza las variables del objeto
+// Actualiza las variables del objeto (time-based)
+void SurfaceAnimatedSprite::update(float delta_time) {
+    animate(delta_time);
+    SurfaceMovingSprite::update(delta_time);
+}
+
+// Actualiza las variables del objeto (frame-based, deprecated)
 void SurfaceAnimatedSprite::update() {
     animate();
     SurfaceMovingSprite::update();
@@ -131,7 +191,8 @@ void SurfaceAnimatedSprite::update() {
 // Reinicia la animación
 void SurfaceAnimatedSprite::resetAnimation() {
     animations_[current_animation_].current_frame = 0;
-    animations_[current_animation_].counter = 0;
+    animations_[current_animation_].accumulated_time = 0.0F;  // Time-based
+    animations_[current_animation_].counter = 0;              // Frame-based (deprecated)
     animations_[current_animation_].completed = false;
 }
 
@@ -183,7 +244,8 @@ auto parseAnimationParameter(const std::string& key, const std::string& value, A
         return true;
     }
     if (key == "speed") {
-        animation.speed = std::stoi(value);
+        // Soporta tanto float (segundos) como int (compatibilidad con sistema antiguo)
+        animation.speed = std::stof(value);
         return true;
     }
     if (key == "loop") {

source/core/rendering/surface_animated_sprite.hpp

@@ -13,11 +13,14 @@ class Surface;                                       // lines 9-9
 struct AnimationData {
         std::string name;               // Nombre de la animacion
         std::vector<SDL_FRect> frames;  // Cada uno de los frames que componen la animación
-        int speed{5};                   // Velocidad de la animación
+        float speed{0.083F};            // Velocidad de la animación (segundos por frame)
         int loop{0};                    // Indica a que frame vuelve la animación al terminar. -1 para que no vuelva
         bool completed{false};          // Indica si ha finalizado la animación
         int current_frame{0};           // Frame actual
-        int counter{0};                 // Contador para las animaciones
+        float accumulated_time{0.0F};   // Tiempo acumulado para las animaciones (time-based)
+
+        // DEPRECATED: Mantener compatibilidad con sistema antiguo
+        int counter{0};                 // Contador para las animaciones (frame-based, deprecated)
 
         AnimationData()
 
@@ -35,7 +38,10 @@ class SurfaceAnimatedSprite : public SurfaceMovingSprite {
         std::vector<AnimationData> animations_;  // Vector con las diferentes animaciones
         int current_animation_ = 0;              // Animacion activa
 
-        // Calcula el frame correspondiente a la animación actual
+        // Calcula el frame correspondiente a la animación actual (time-based)
+        void animate(float delta_time);
+
+        // Calcula el frame correspondiente a la animación actual (frame-based, deprecated)
         void animate();
 
         // Carga la animación desde un vector de cadenas
@@ -51,7 +57,11 @@ class SurfaceAnimatedSprite : public SurfaceMovingSprite {
         // Destructor
         ~SurfaceAnimatedSprite() override = default;
 
-        // Actualiza las variables del objeto
+        // Actualiza las variables del objeto (time-based)
+        void update(float delta_time) override;
+
+        // Actualiza las variables del objeto (frame-based, deprecated)
+        [[deprecated("Use update(float delta_time) instead")]]
         void update() override;
 
         // Comprueba si ha terminado la animación

source/core/rendering/surface_moving_sprite.cpp

@@ -39,8 +39,26 @@ void SurfaceMovingSprite::clear() {
     SurfaceSprite::clear();
 }
 
-// Mueve el sprite
+// Mueve el sprite (time-based)
+// Nota: vx_, vy_ ahora se interpretan como pixels/segundo
+// Nota: ax_, ay_ ahora se interpretan como pixels/segundo²
+void SurfaceMovingSprite::move(float delta_time) {
+    // Aplica aceleración a velocidad (time-based)
+    vx_ += ax_ * delta_time;
+    vy_ += ay_ * delta_time;
+
+    // Aplica velocidad a posición (time-based)
+    x_ += vx_ * delta_time;
+    y_ += vy_ * delta_time;
+
+    // Actualiza posición entera para renderizado
+    pos_.x = static_cast<int>(x_);
+    pos_.y = static_cast<int>(y_);
+}
+
+// Mueve el sprite (frame-based, deprecated)
 void SurfaceMovingSprite::move() {
+    // Versión antigua: suma directa sin delta_time
     x_ += vx_;
     y_ += vy_;
 
@@ -51,7 +69,12 @@ void SurfaceMovingSprite::move() {
     pos_.y = static_cast<int>(y_);
 }
 
-// Actualiza las variables internas del objeto
+// Actualiza las variables internas del objeto (time-based)
+void SurfaceMovingSprite::update(float delta_time) {
+    move(delta_time);
+}
+
+// Actualiza las variables internas del objeto (frame-based, deprecated)
 void SurfaceMovingSprite::update() {
     move();
 }

source/core/rendering/surface_moving_sprite.hpp

@@ -22,7 +22,10 @@ class SurfaceMovingSprite : public SurfaceSprite {
 
         SDL_FlipMode flip_;  // Indica como se voltea el sprite
 
-        // Mueve el sprite
+        // Mueve el sprite (time-based)
+        void move(float delta_time);
+
+        // Mueve el sprite (frame-based, deprecated)
         void move();
 
     public:
@@ -34,8 +37,12 @@ class SurfaceMovingSprite : public SurfaceSprite {
         // Destructor
         ~SurfaceMovingSprite() override = default;
 
-        // Actualiza las variables internas del objeto
+        // Actualiza las variables internas del objeto (time-based)
-        virtual void update();
+        void update(float delta_time) override;
+
+        // Actualiza las variables internas del objeto (frame-based, deprecated)
+        [[deprecated("Use update(float delta_time) instead")]]
+        void update() override;
 
         // Reinicia todas las variables a cero
         void clear() override;

source/core/rendering/surface_sprite.cpp

@@ -46,3 +46,15 @@ void SurfaceSprite::clear() {
     pos_ = {.x = 0, .y = 0, .w = 0, .h = 0};
     clip_ = {.x = 0, .y = 0, .w = 0, .h = 0};
 }
+
+// Actualiza el estado del sprite (time-based)
+void SurfaceSprite::update(float delta_time) {
+    // Base implementation does nothing (static sprites)
+    (void)delta_time; // Evita warning de parámetro no usado
+}
+
+// Actualiza el estado del sprite (frame-based, deprecated)
+void SurfaceSprite::update() {
+    // Llama a la versión time-based con 0.0f para compatibilidad
+    update(0.0F);
+}

source/core/rendering/surface_sprite.hpp

@@ -23,6 +23,13 @@ class SurfaceSprite {
         // Destructor
         virtual ~SurfaceSprite() = default;
 
+        // Actualiza el estado del sprite (time-based)
+        virtual void update(float delta_time);
+
+        // Actualiza el estado del sprite (frame-based, deprecated)
+        [[deprecated("Use update(float delta_time) instead")]]
+        virtual void update();
+
         // Muestra el sprite por pantalla
         virtual void render();
         virtual void render(Uint8 source_color, Uint8 target_color);

source/game/scenes/game_over.cpp

@@ -57,9 +57,9 @@ void GameOver::update() {
     // Actualiza el color usado para renderizar los textos e imagenes
     updateColor();
 
-    // Actualiza los dos sprites (con delta time escalado por velocidad)
+    // Actualiza los dos sprites con delta time
-    player_sprite_->update();
+    player_sprite_->update(delta);
-    tv_sprite_->update();
+    tv_sprite_->update(delta);
 
     // Actualiza el objeto Screen
     Screen::get()->update();