From ea10e6ef1272cf35945bc45dbb5933ef3a35a88c Mon Sep 17 00:00:00 2001
From: Qi-huanye <2728290997@qq.com>
Date: Sun, 26 Apr 2026 15:12:35 +0800
Subject: [PATCH] =?UTF-8?q?=E7=B2=92=E5=AD=90=E8=B0=83=E6=95=B4?=
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---
 src/source/Tetris.cpp       |  2 +-
 src/source/TetrisLogic.cpp  |  2 +-
 src/source/TetrisRender.cpp | 39 ++++++++++++++++++++++++++++++++-----
 3 files changed, 36 insertions(+), 7 deletions(-)

diff --git a/src/source/Tetris.cpp b/src/source/Tetris.cpp
index 5906dca..cc2ad8a 100644
--- a/src/source/Tetris.cpp
+++ b/src/source/Tetris.cpp
@@ -7,7 +7,7 @@
 #define GAME_TIMER_ID 1
 #define EFFECT_TIMER_ID 2
 #define GAME_TIMER_INTERVAL 500
-#define EFFECT_TIMER_INTERVAL 33
+#define EFFECT_TIMER_INTERVAL 16
 
 HINSTANCE hInst;
 TCHAR szTitle[MAX_LOADSTRING];
diff --git a/src/source/TetrisLogic.cpp b/src/source/TetrisLogic.cpp
index 50ff114..9cb1bcf 100644
--- a/src/source/TetrisLogic.cpp
+++ b/src/source/TetrisLogic.cpp
@@ -334,7 +334,7 @@ static void AddParticle(int boardX, int boardY, int velocityX, int velocityY, in
 
 static void AddBurstParticles(int boardX, int boardY, COLORREF baseColor, bool strongBurst)
 {
-    int burstCount = strongBurst ? 5 : 3;
+    int burstCount = strongBurst ? 4 : 2;
     for (int i = 0; i < burstCount; i++)
     {
         int angleSeed = rand() % 8;
diff --git a/src/source/TetrisRender.cpp b/src/source/TetrisRender.cpp
index 6d3bcee..631c1b4 100644
--- a/src/source/TetrisRender.cpp
+++ b/src/source/TetrisRender.cpp
@@ -8,6 +8,32 @@
 
 using namespace Gdiplus;
 
+static HBRUSH GetCachedParticleBrush(COLORREF color)
+{
+    static COLORREF cachedColors[16] = {};
+    static HBRUSH cachedBrushes[16] = {};
+
+    for (int i = 0; i < 16; i++)
+    {
+        if (cachedBrushes[i] != nullptr && cachedColors[i] == color)
+        {
+            return cachedBrushes[i];
+        }
+    }
+
+    for (int i = 0; i < 16; i++)
+    {
+        if (cachedBrushes[i] == nullptr)
+        {
+            cachedColors[i] = color;
+            cachedBrushes[i] = CreateSolidBrush(color);
+            return cachedBrushes[i];
+        }
+    }
+
+    return CreateSolidBrush(color);
+}
+
 static std::wstring BuildAssetPath(const wchar_t* relativePath)
 {
     wchar_t modulePath[MAX_PATH] = {};
@@ -997,10 +1023,14 @@ void TDrawScreen(HDC hdc, HWND hWnd)
         int elapsed = particleEffects[i].totalTicks - particleEffects[i].ticks;
         int particleX = gameRect.left + particleEffects[i].boardX * grid / 100 + SS(particleEffects[i].velocityX * elapsed);
         int particleY = gameRect.top + particleEffects[i].boardY * grid / 100 + SS(particleEffects[i].velocityY * elapsed + elapsed * elapsed / 4);
-        int particleSize = SS(particleEffects[i].size * particleEffects[i].ticks / particleEffects[i].totalTicks);
-        if (particleSize < SS(2))
+        int particleSize = particleEffects[i].size * particleEffects[i].ticks / particleEffects[i].totalTicks;
+        if (particleSize < 2)
         {
-            particleSize = SS(2);
+            particleSize = 2;
+        }
+        if (particleSize > 6)
+        {
+            particleSize = 6;
         }
 
         RECT particleRect =
@@ -1011,9 +1041,8 @@ void TDrawScreen(HDC hdc, HWND hWnd)
             particleY + particleSize
         };
 
-        HBRUSH particleBrush = CreateSolidBrush(particleEffects[i].color);
+        HBRUSH particleBrush = GetCachedParticleBrush(particleEffects[i].color);
         FillRect(hdc, &particleRect, particleBrush);
-        DeleteObject(particleBrush);
     }
 
     for (int i = 0; i < 8; i++)