Sdl3 Tutorial ◎

// Player movement speed #define PLAYER_SPEED 5

for (int i = 0; i < FRAME_COUNT; i++) sprite->frames[i].x = i * frame_width; sprite->frames[i].y = 0; sprite->frames[i].w = frame_width; sprite->frames[i].h = frame_height; sdl3 tutorial

typedef struct SDL_Texture* texture; SDL_Rect frames[FRAME_COUNT]; // Individual animation frames int current_frame; int frame_counter; int frame_delay; int x, y; int velocity_x, velocity_y; bool moving; AnimatedSprite; // Player movement speed #define PLAYER_SPEED 5 for

// Initialize animation state sprite->current_frame = 0; sprite->frame_counter = 0; sprite->frame_delay = ANIMATION_SPEED; sprite->x = SCREEN_WIDTH / 2 - frame_width / 2; sprite->y = SCREEN_HEIGHT / 2 - frame_height / 2; sprite->velocity_x = 0; sprite->velocity_y = 0; sprite->moving = false; frames[i].x = i * frame_width

// Create a colored rectangle as placeholder texture if no sprite sheet // In production, load a real sprite sheet SDL_Surface* surface = SDL_CreateSurface(256, 64, SDL_PIXELFORMAT_RGBA32); SDL_FillSurfaceRect(surface, NULL, SDL_MapRGBA(surface->format, 255, 100, 100, 255));

// Clean up resources void destroy_animated_sprite(AnimatedSprite* sprite) if (sprite) if (sprite->texture) SDL_DestroyTexture(sprite->texture); free(sprite);

// Handle events while (SDL_PollEvent(event)) switch (event->type) case SDL_EVENT_QUIT: *running = false; break; case SDL_EVENT_KEY_DOWN: if (event->key.key == SDLK_ESCAPE) *running = false; break;