From de850676e79da39aec6f1ce0400cfa94cecbd744 Mon Sep 17 00:00:00 2001
From: mattkae <mattkae@protonmail.com>
Date: Sun, 19 Sep 2021 16:32:15 -0400
Subject: First commit

---
 themes/MainLoop.cpp | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 themes/MainLoop.cpp

(limited to 'themes/MainLoop.cpp')

diff --git a/themes/MainLoop.cpp b/themes/MainLoop.cpp
new file mode 100644
index 0000000..09aa643
--- /dev/null
+++ b/themes/MainLoop.cpp
@@ -0,0 +1,31 @@
+#include "MainLoop.h"
+#include <cstdio>
+#include <cstdlib>
+
+EM_BOOL loop(double time, void* loop) {
+    MainLoop* mainLoop = (MainLoop*) loop;
+    if (!mainLoop->isRunning) {
+        return false;
+    }
+    
+    if (mainLoop->lastTime == 0) {
+        mainLoop->lastTime = time;
+        return true;
+    }
+
+    long deltaTime = time - mainLoop->lastTime;
+    mainLoop->lastTime = time;
+    mainLoop->elapsedTime += deltaTime;
+    mainLoop->numFrames++;
+    float deltaTimeSeconds = static_cast<float>(deltaTime) / 1000.f;
+
+    if (mainLoop->elapsedTime >= 1000.0) {
+        printf("FPS: %d\n", mainLoop->numFrames);
+
+        mainLoop->elapsedTime = 0.0;
+        mainLoop->numFrames = 0;
+    }
+
+    mainLoop->updateFunc(deltaTimeSeconds, NULL);
+    return true;
+}
\ No newline at end of file
-- 
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