jaildesigner-demos/vibe3_physics
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feat(postfx): redisseny sistema PostFX (X/F5/F6, --postfx CLI)

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- X cicla 4 efectes (Vinyeta/Scanlines/Cromàtica/Complet), sempre activa PostFX
- F5 fa toggle PostFX on/off mantenint l'efecte seleccionat
- F6 hereta el toggle d'integer scaling (abans F5)
- Arrencada per defecte sense postprocés (tot a 0)
- --postfx <vinyeta|scanlines|cromatica|complet> per activar des de CLI

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Sergio
2026-03-20 09:06:24 +01:00
parent d2e7f2ff86
commit a51072db32
4 changed files with 77 additions and 13 deletions
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51
source/engine.cpp
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@@ -1013,23 +1013,52 @@ void Engine::toggleRealFullscreen() {
}
}
void Engine::applyPostFXPreset(int mode) {
static constexpr float presets[4][3] = {
{1.5f, 0.0f, 0.0f}, // 0: Vinyeta
{1.5f, 0.0f, 0.8f}, // 1: Scanlines
{1.5f, 1.0f, 0.0f}, // 2: Cromàtica
{1.5f, 1.0f, 0.8f}, // 3: Complet
};
postfx_uniforms_.vignette_strength = presets[mode][0];
postfx_uniforms_.chroma_strength = presets[mode][1];
postfx_uniforms_.scanline_strength = presets[mode][2];
}
void Engine::handlePostFXCycle() {
static constexpr float presets[5][3] = {
{1.5f, 0.0f, 0.0f}, {1.5f, 0.0f, 0.8f},
{1.5f, 1.0f, 0.0f}, {1.5f, 1.0f, 0.8f},
{0.0f, 0.0f, 0.0f}
};
static constexpr const char* names[5] = {
static constexpr const char* names[4] = {
"PostFX: Vinyeta", "PostFX: Scanlines",
"PostFX: Cromàtica", "PostFX: Complet", "PostFX: Desactivat"
"PostFX: Cromàtica", "PostFX: Complet"
};
postfx_effect_mode_ = (postfx_effect_mode_ + 1) % 5;
postfx_uniforms_.vignette_strength = presets[postfx_effect_mode_][0];
postfx_uniforms_.chroma_strength = presets[postfx_effect_mode_][1];
postfx_uniforms_.scanline_strength = presets[postfx_effect_mode_][2];
postfx_effect_mode_ = (postfx_effect_mode_ + 1) % 4;
postfx_enabled_ = true;
applyPostFXPreset(postfx_effect_mode_);
showNotificationForAction(names[postfx_effect_mode_]);
}
void Engine::handlePostFXToggle() {
static constexpr const char* names[4] = {
"PostFX: Vinyeta", "PostFX: Scanlines",
"PostFX: Cromàtica", "PostFX: Complet"
};
postfx_enabled_ = !postfx_enabled_;
if (postfx_enabled_) {
applyPostFXPreset(postfx_effect_mode_);
showNotificationForAction(names[postfx_effect_mode_]);
} else {
postfx_uniforms_.vignette_strength = 0.0f;
postfx_uniforms_.chroma_strength = 0.0f;
postfx_uniforms_.scanline_strength = 0.0f;
showNotificationForAction("PostFX: Desactivat");
}
}
void Engine::setInitialPostFX(int mode) {
postfx_effect_mode_ = mode;
postfx_enabled_ = true;
applyPostFXPreset(mode);
}
void Engine::toggleIntegerScaling() {
// Solo permitir cambio si estamos en modo fullscreen normal (F3)
if (!fullscreen_enabled_) {

8
source/engine.hpp
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@@ -78,6 +78,8 @@ class Engine {
// PostFX presets
void handlePostFXCycle();
void handlePostFXToggle();
void setInitialPostFX(int mode);
// Modo kiosko
void setKioskMode(bool enabled) { kiosk_mode_ = enabled; }
@@ -170,8 +172,9 @@ class Engine {
float delta_time_ = 0.0f;
// PostFX uniforms (passed to GPU each frame)
PostFXUniforms postfx_uniforms_ = {1.5f, 0.0f, 0.0f, 0.0f};
PostFXUniforms postfx_uniforms_ = {0.0f, 0.0f, 0.0f, 0.0f};
int postfx_effect_mode_ = 0;
bool postfx_enabled_ = false;
// Sistema de zoom dinámico
int current_window_zoom_ = DEFAULT_WINDOW_ZOOM;
@@ -244,6 +247,9 @@ class Engine {
void updateShape();
void generateShape();
// PostFX helper
void applyPostFXPreset(int mode);
// GPU helpers
bool loadGpuSpriteTexture(size_t index); // Upload one sprite texture to GPU
void recreateOffscreenTexture(); // Recreate when resolution changes

7
source/input/input_handler.cpp
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@@ -254,8 +254,13 @@ bool InputHandler::processEvents(Engine& engine) {
else engine.toggleRealFullscreen();
break;
// Toggle escalado entero/estirado (solo en fullscreen F3)
// Toggle PostFX activo/inactivo
case SDLK_F5:
engine.handlePostFXToggle();
break;
// Toggle escalado entero/estirado (solo en fullscreen F3)
case SDLK_F6:
engine.toggleIntegerScaling();
break;

24
source/main.cpp
View File

@@ -21,6 +21,7 @@ void printHelp() {
std::cout << " --custom-balls <n> Activa escenario custom (tecla 9) con N pelotas\n";
std::cout << " --skip-benchmark Salta el benchmark y usa el máximo de bolas (50000)\n";
std::cout << " --max-balls <n> Limita el máximo de bolas en modos DEMO/DEMO_LITE\n";
std::cout << " --postfx <efecto> Arrancar con PostFX activo: vinyeta, scanlines, cromatica, complet\n";
std::cout << " --help Mostrar esta ayuda\n\n";
std::cout << "Ejemplos:\n";
std::cout << " vibe3_physics # 320x240 zoom 3 (ventana 960x720)\n";
@@ -45,6 +46,7 @@ int main(int argc, char* argv[]) {
bool kiosk_mode = false;
bool skip_benchmark = false;
int max_balls_override = 0;
int initial_postfx = -1;
AppMode initial_mode = AppMode::SANDBOX; // Modo inicial (default: SANDBOX)
// Parsear argumentos
@@ -124,6 +126,25 @@ int main(int argc, char* argv[]) {
}
} else if (strcmp(argv[i], "--skip-benchmark") == 0) {
skip_benchmark = true;
} else if (strcmp(argv[i], "--postfx") == 0) {
if (i + 1 < argc) {
std::string fx = argv[++i];
if (fx == "vinyeta") {
initial_postfx = 0;
} else if (fx == "scanlines") {
initial_postfx = 1;
} else if (fx == "cromatica") {
initial_postfx = 2;
} else if (fx == "complet") {
initial_postfx = 3;
} else {
std::cerr << "Error: --postfx '" << fx << "' no válido. Usa: vinyeta, scanlines, cromatica, complet\n";
return -1;
}
} else {
std::cerr << "Error: --postfx requiere un valor\n";
return -1;
}
} else if (strcmp(argv[i], "--max-balls") == 0) {
if (i + 1 < argc) {
int n = atoi(argv[++i]);
@@ -158,6 +179,9 @@ int main(int argc, char* argv[]) {
else if (skip_benchmark)
engine.setSkipBenchmark();
if (initial_postfx >= 0)
engine.setInitialPostFX(initial_postfx);
if (!engine.initialize(width, height, zoom, fullscreen, initial_mode)) {
std::cout << "¡Error al inicializar el engine!" << std::endl;
return -1;