From 4fe99a027dea39a7dd175fbc0cd7f95eef8f00c3 Mon Sep 17 00:00:00 2001
From: Syndamia <kamen@syndamia.com>
Date: Mon, 28 Aug 2023 11:41:41 +0300
Subject: [WGL/P] Implemented an fps counter

---
 Year 2/Computer Graphics with WebGL/Project/Project.html | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'Year 2/Computer Graphics with WebGL/Project/Project.html')

diff --git a/Year 2/Computer Graphics with WebGL/Project/Project.html b/Year 2/Computer Graphics with WebGL/Project/Project.html
index 7b62624..809a0ed 100644
--- a/Year 2/Computer Graphics with WebGL/Project/Project.html	
+++ b/Year 2/Computer Graphics with WebGL/Project/Project.html	
@@ -133,6 +133,8 @@ h2 {
 	
 		var pauseAnimations = false;
 		var t = 0;
+		var lastTime = 0;
+		var frames = 0;
 		function drawFrame()
 		{
 			if (startT == -1) { startT = Date.now(); t = 0; }
@@ -140,6 +142,13 @@ h2 {
 			if (pauseAnimations) startT += (candidat - t)*100;
 			else                 t = candidat;
 
+			var now = Math.floor(Date.now() / 1000);
+			if (now - lastTime >= 1) {
+				fpsElem.innerText = Math.floor(frames / (now - lastTime));
+				frames = 0;
+				lastTime = now;
+			}
+
 			gl.clear(gl.COLOR_BUFFER_BIT+gl.DEPTH_BUFFER_BIT);
 
 			updateCamera();
@@ -149,6 +158,7 @@ h2 {
 			if (!pauseAnimations || t == 0) animations.forEach((a) => a(t));
 			stars.forEach((s) => s.draw());
 
+			frames++;
 			requestAnimationFrame(drawFrame);
 		}
 	</script>
@@ -177,11 +187,13 @@ h2 {
 			<p>
 				Debugging colors: <input type="checkbox" id="debug-mode"><br>
 				Toggle coordinates: <input type="checkbox" id="coordinates-cb"><br>
+				Toggle fps: <input type="checkbox" id="fps-cb"><br>
 				Only horizontal mouse movement: <input type="checkbox" id="only-horizontal"><br>
 				Only vertical mouse movement: <input type="checkbox" id="only-vertical">
 			</p>
 		</div>
 	</div>
 	<div id="coordinates"></div>
+	<div id="fps"></div>
 	<script src="menu.js"></script>
 </body>
-- 
cgit v1.3.1-23-gd82d