Initial commit

core/fps.jai

@@ -0,0 +1,19 @@
+FPS_COUNT_AMOUNT :: 8;
+average_fps: int;
+fps_counts: [FPS_COUNT_AMOUNT] int;
+fps_count_cursor: int;
+
+update_fps_counter :: (dt: float) {
+    fps_counts[fps_count_cursor] = cast(int)(1.0/dt);
+    fps_count_cursor += 1;
+    if fps_count_cursor == FPS_COUNT_AMOUNT {
+        fps_count_cursor = 0;
+    }
+
+    total_fps : int;
+    for 0..FPS_COUNT_AMOUNT-1 {
+        total_fps += fps_counts[it];
+    }
+
+    average_fps = total_fps / FPS_COUNT_AMOUNT;
+}