Added a comment that explains why the pixel are grouped together

flagbug · Apr 12, 2012 · 3bc6f35 · 3bc6f35
1 parent df7b4ef
commit 3bc6f35
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/FlagConsole/FlagConsole/Drawing/GraphicBuffer.cs b/FlagConsole/FlagConsole/Drawing/GraphicBuffer.cs
@@ -173,6 +173,10 @@ public void DrawToScreen(Coordinate location)
                     pixels[x] = this.buffer[x, y];
                 }
 
+                /*
+                 * Go through each row and group pixel with the same color together.
+                 * This drastically improves performance when the graphic buffer contains pixel with different colors.
+                 */
                 var final = new List<List<Pixel>>();
                 var currentGroup = new List<Pixel>();
                 Pixel prevPixel = null;