Fixed #8864

core/src/mindustry/ClientLauncher.java

@@ -27,7 +27,7 @@ import static mindustry.Vars.*;
 public abstract class ClientLauncher extends ApplicationCore implements Platform{
     private static final int loadingFPS = 20;
 
-    private long lastTime;
+    private long nextFrame;
     private long beginTime;
     private boolean finished = false;
     private LoadRenderer loader;
@@ -199,6 +199,13 @@ public abstract class ClientLauncher extends ApplicationCore implements Platform
 
     @Override
     public void update(){
+        int targetfps = Core.settings.getInt("fpscap", 120);
+        boolean limitFps = targetfps > 0 && targetfps <= 240;
+
+        if(limitFps){
+            nextFrame += (1000 * 1000000) / targetfps;
+        }
+
         if(!finished){
             if(loader != null){
                 loader.draw();
@@ -230,17 +237,13 @@ public abstract class ClientLauncher extends ApplicationCore implements Platform
             asyncCore.end();
         }
 
-        int targetfps = Core.settings.getInt("fpscap", 120);
+        if(limitFps){
-
+            long current = Time.nanos();
-        if(targetfps > 0 && targetfps <= 240){
+            if(nextFrame > current){
-            long target = (1000 * 1000000) / targetfps; //target in nanos
+                long toSleep = nextFrame - current;
-            long elapsed = Time.timeSinceNanos(lastTime);
+                Threads.sleep(toSleep / 1000000, (int)(toSleep % 1000000));
-            if(elapsed < target){
-                Threads.sleep((target - elapsed) / 1000000, (int)((target - elapsed) % 1000000));
             }
         }
-
-        lastTime = Time.nanos();
     }
 
     @Override
@@ -251,6 +254,7 @@ public abstract class ClientLauncher extends ApplicationCore implements Platform
 
     @Override
     public void init(){
+        nextFrame = Time.nanos();
         setup();
     }
 

gradle.properties

@@ -25,4 +25,4 @@ org.gradle.caching=true
 #used for slow jitpack builds; TODO see if this actually works
 org.gradle.internal.http.socketTimeout=100000
 org.gradle.internal.http.connectionTimeout=100000
-archash=a88585a22d
+archash=4be3d22cf6