添加粒子效果

src/source/TetrisRender.cpp

@@ -839,6 +839,87 @@ void TDrawScreen(HDC hdc, HWND hWnd)
         }
     }
 
+    if (clearEffectState.ticks > 0 && clearEffectState.totalTicks > 0)
+    {
+        int elapsed = clearEffectState.totalTicks - clearEffectState.ticks;
+        int alpha = 42 + clearEffectState.ticks * 150 / clearEffectState.totalTicks;
+        int inset = SS(elapsed * 2);
+        Graphics flashGraphics(hdc);
+
+        for (int i = 0; i < clearEffectState.rowCount; i++)
+        {
+            int row = clearEffectState.rows[i];
+            if (row < 0 || row >= nGameHeight)
+            {
+                continue;
+            }
+
+            int top = gameRect.top + row * grid + inset;
+            int height = grid - inset * 2;
+            if (height < SS(4))
+            {
+                height = SS(4);
+            }
+
+            SolidBrush flashBrush(Color(alpha, 255, 248, 174));
+            flashGraphics.FillRectangle(
+                &flashBrush,
+                static_cast<INT>(gameRect.left + SS(2)),
+                static_cast<INT>(top),
+                static_cast<INT>(gameRect.right - gameRect.left - SS(4)),
+                static_cast<INT>(height));
+        }
+    }
+
+    for (int i = 0; i < 24; i++)
+    {
+        if (particleEffects[i].ticks <= 0 || particleEffects[i].totalTicks <= 0)
+        {
+            continue;
+        }
+
+        int elapsed = particleEffects[i].totalTicks - particleEffects[i].ticks;
+        int particleX = gameRect.left + particleEffects[i].boardX * grid / 100 + SS(particleEffects[i].velocityX * elapsed / 2);
+        int particleY = gameRect.top + particleEffects[i].boardY * grid / 100 + SS(particleEffects[i].velocityY * elapsed / 2 + elapsed * elapsed / 10);
+        int particleSize = SS(3 + (elapsed % 2));
+
+        RECT particleRect =
+        {
+            particleX - particleSize,
+            particleY - particleSize,
+            particleX + particleSize,
+            particleY + particleSize
+        };
+
+        HBRUSH particleBrush = CreateSolidBrush(particleEffects[i].color);
+        FillRect(hdc, &particleRect, particleBrush);
+        DeleteObject(particleBrush);
+    }
+
+    for (int i = 0; i < 8; i++)
+    {
+        if (floatingTextEffects[i].ticks <= 0 || floatingTextEffects[i].totalTicks <= 0)
+        {
+            continue;
+        }
+
+        int elapsed = floatingTextEffects[i].totalTicks - floatingTextEffects[i].ticks;
+        int textX = gameRect.left + floatingTextEffects[i].boardX * grid / 100;
+        int textY = gameRect.top + floatingTextEffects[i].boardY * grid / 100 - SS(elapsed * 4);
+
+        HFONT oldFloatFont = (HFONT)SelectObject(hdc, sectionFont);
+        SetTextColor(hdc, floatingTextEffects[i].color);
+        RECT floatRect =
+        {
+            textX - SS(160),
+            textY - SS(24),
+            textX + SS(160),
+            textY + SS(28)
+        };
+        DrawText(hdc, floatingTextEffects[i].text, -1, &floatRect, DT_CENTER | DT_VCENTER | DT_SINGLELINE);
+        SelectObject(hdc, oldFloatFont);
+    }
+
     HFONT oldFont = (HFONT)SelectObject(hdc, titleFont);
     DrawPanelHeader(leftPanelRect, _T("战局信息"), 120);
     DrawPanelHeader(rightPanelRect, _T("预览与战术"), 148);