breadles5 · breadles5 · Dec 21, 2025 · Nov 30, 2025 · Nov 30, 2025 · Nov 30, 2025
diff --git a/.github/workflows/osu-counters.yml b/.github/workflows/osu-counters.yml
diff --git a/index.html b/index.html
@@ -1,23 +1,26 @@
 <!doctype html>
 <html lang="en">
-    <head>
-        <meta charset="UTF-8" />
-        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-        <link rel="stylesheet" href="style.css" />
-    </head>
-    <body>
-        <div id="container" class="hidden">
-            <!-- now added by js -->
-            <!-- <div class="sd hidden"></div> -->
-            <div class="arrow-container hidden">
-                <div class="arrow hidden"></div>
-            </div>
-            <div class="main hidden">
-                <div class="colors-container hidden"><!-- THIS IS A FLEX CONTAINER  --></div>
-                <div class="tick-container hidden"></div>
-                <div class="bar hidden"></div>
-            </div>
+
+<head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <link rel="stylesheet" href="style.css" />
+</head>
+
+<body>
+    <div id="container" class="hidden">
+        <!-- now added by js -->
+
+        <div class="arrow-container hidden">
+            <div class="arrow hidden"></div>
         </div>
-        <script type="module" src="src/index.ts"></script>
-    </body>
-</html>
+        <div class="main hidden">
+            <div class="colors-container hidden"><!-- THIS IS A FLEX CONTAINER  --></div>
+            <div class="tick-container hidden"></div>
+            <div class="bar hidden"></div>
+        </div>
+    </div>
+    <script type="module" src="src/index.ts"></script>
+</body>
+
+</html>
diff --git a/metadata.txt b/metadata.txt
@@ -1,6 +1,6 @@
 Usecase: Ingame Overlay, OBS Overlay
 Name: Custom Hit Error Bar
-Version: 3.6.0
+Version: 3.7.0
 Author: breadles5
 CompatibleWith: Tosu
 Resolution: 656x90

diff --git a/package.json b/package.json
@@ -2,7 +2,7 @@
     "name": "custom-hit-error-bar",
     "author": "breadles",
     "license": "GPL-3.0-only",
-    "version": "3.6.0",
+    "version": "3.7.0",
     "type": "module",
     "scripts": {
         "build:prod": "vite build --mode production",

diff --git a/settings.json b/settings.json
@@ -175,14 +175,6 @@
         "options": [],
         "value": 800
     },
-    {
-        "uniqueID": "showSD",
-        "type": "checkbox",
-        "title": "Show UR (ms)",
-        "description": "",
-        "options": [],
-        "value": false
-    },
     {
         "uniqueID": "isRounded",
         "type": "number",
@@ -207,4 +199,4 @@
         "options": [],
         "value": "16.5,64,97,127,151"
     }
-]
+]
diff --git a/src/calculation/statistics.ts b/src/calculation/statistics.ts
@@ -3,24 +3,42 @@ export const average = (arr: number[]): number => {
     return arr.reduce((a, b) => a + b, 0) / arr.length;
 };
 
-export const standardDeviation = (arr: number[]): number => {
-    if (!arr || arr.length === 0) return 0;
-    const avg = average(arr);
-    const squareDiffs = arr.map((value) => {
-        const diff = value - avg;
-        const sqrDiff = diff * diff;
-        return sqrDiff;
-    });
-    const avgSquareDiff = average(squareDiffs);
-    return Math.sqrt(avgSquareDiff);
-};
+// Reusable buffer for median calculation to avoid allocations
+let medianBuffer: number[] = new Array(200); // Start with a reasonable size
 
 export const median = (arr: number[]): number => {
     if (!arr || arr.length === 0) return 0;
-    const sortedArr = [...arr].sort((a, b) => a - b);
-    const middle = Math.floor(sortedArr.length / 2);
-    if (sortedArr.length % 2 === 0) {
-        return (sortedArr[middle - 1] + sortedArr[middle]) / 2;
+
+    // Ensure buffer is large enough
+    if (medianBuffer.length < arr.length) {
+        medianBuffer = new Array(arr.length * 2);
+    }
+
+    // Copy data to buffer
+    for (let i = 0; i < arr.length; i++) {
+        medianBuffer[i] = arr[i];
+    }
+
+    // Sort valid portion of buffer
+    // using subarray is safer but creates a view, let's just sort the slice logic manually or use subarray which is cheap
+    // Array.prototype.sort mutates. We only want to sort the first N elements.
+    // JS arrays are dynamic, but we want to avoid GC.
+    // Using a subarray (slice) creates a new array (alloc).
+    // subarray() on TypedArray is cheap, but these are number[] (Objects).
+    // So we must fallback to: copy to buffer -> sort buffer -> take middle.
+    // But Array.prototype.sort sorts the *entire* array.
+    // We can just use a shared array that we don't care about the tail of, IF we can tell sort to stop... we can't.
+    // ACTUALLY: The best way for zero-alloc sort on a subset of a generic Array is tricky without writing a custom QuickSort.
+    // Given the constraints and standard JS engine optimization:
+    // If we just trim the length of the reused array, it might realloc internally if it grows, but shrinking is usually fine.
+
+    // Let's resize the buffer length. This is generally optimized in V8.
+    medianBuffer.length = arr.length;
+    medianBuffer.sort((a, b) => a - b);
+
+    const middle = Math.floor(medianBuffer.length / 2);
+    if (medianBuffer.length % 2 === 0) {
+        return (medianBuffer[middle - 1] + medianBuffer[middle]) / 2;
     }
-    return sortedArr[middle];
+    return medianBuffer[middle];
 };
diff --git a/src/calculation/tickManager.ts b/src/calculation/tickManager.ts
@@ -80,7 +80,7 @@ export class TickImpl implements Tick {
             });
         }
 
-        this.position = (hitError / cache.rate) * 2;
+        this.position = hitError * 2;
         this.timestamp = Date.now();
         this.setClassNames(); // Updates classNames (colors, base class) and calls updateElement
     }