made the framerate counter dumb but more accurate

dmcinnes · May 8, 2010 · 17929c9 · 17929c9
1 parent ce7fc05
commit 17929c9
Showing 1 changed file with 10 additions and 2 deletions.
diff --git a/game.js b/game.js
@@ -1092,6 +1092,8 @@ $(function () {
   var i, j = 0;
   var showFramerate = false;
   var avgFramerate = 0;
+  var frameCount = 0;
+  var elapsedCounter = 0;
 
   var lastFrame = Date.now();
   var thisFrame;
@@ -1148,10 +1150,16 @@ $(function () {
     }
 
     if (showFramerate) {
-      avgFramerate = Math.round((avgFramerate * 24 + (1000 / elapsed))
-                                / 25);
       Text.renderText(''+avgFramerate, 24, Game.canvasWidth - 38, Game.canvasHeight - 2);
     }
+
+    frameCount++;
+    elapsedCounter += elapsed;
+    if (elapsedCounter > 1000) {
+      elapsedCounter -= 1000;
+      avgFramerate = frameCount;
+      frameCount = 0;
+    }
   };
 
   var mainLoopId = setInterval(mainLoop, 25);