fixed main fireworks

src/core/GlobalState.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <vector>
+#include <array>
 #include <memory>
 #include <SDL3/SDL.h>
 
@@ -73,21 +74,52 @@ public:
 
     // Fireworks system (for menu animation)
     struct BlockParticle {
-        float x, y, vx, vy;
-        int type;
-        float life, maxLife;
-        float size;
-        int generation = 0; // 0 = primary, 1 = secondary, 2 = tertiary
-        bool hasExploded = false; // Track if this particle has spawned children
+        float x = 0.0f;
+        float y = 0.0f;
+        float vx = 0.0f;
+        float vy = 0.0f;
+        float size = 0.0f;
+        float life = 0.0f;
+        float maxLife = 0.0f;
+        SDL_Color color{255, 255, 255, 255};
+        SDL_Color accentColor{255, 255, 255, 255};
+        int generation = 0;
+        bool hasExploded = false;
+        bool crackle = false;
+        float flickerSeed = 0.0f;
+        bool dualColor = false;
+        float colorBlendSpeed = 0.0f;
+    };
+
+    struct SparkParticle {
+        float x = 0.0f;
+        float y = 0.0f;
+        float vx = 0.0f;
+        float vy = 0.0f;
+        float life = 0.0f;
+        float maxLife = 0.0f;
+        float thickness = 1.0f;
+        SDL_Color color{255, 255, 255, 255};
     };
 
     struct TetrisFirework {
         std::vector<BlockParticle> particles;
+        std::vector<SparkParticle> sparks;
         bool active = false;
+        float originX = 0.0f;
+        float originY = 0.0f;
+        float elapsedMs = 0.0f;
+        int nextBurst = 0;
+        std::array<float, 3> burstSchedule{0.0f, 250.0f, 520.0f};
+        std::array<SDL_Color, 3> burstColors{};
     };
 
     std::vector<TetrisFirework> fireworks;
     Uint64 lastFireworkTime = 0;
+    bool pendingStaggerFirework = false;
+    Uint64 nextStaggerFireworkTime = 0;
+    float lastFireworkX = 0.0f;
+    float lastFireworkY = 0.0f;
 
     // Fireworks management methods
     void updateFireworks(double frameMs);