Use invokeAndWait() instead of invokeLater() for painting.

src/de/teamteamteam/spacescooter/Main.java

@@ -1,6 +1,7 @@
 package de.teamteamteam.spacescooter;
 
 import java.awt.EventQueue;
+import java.lang.reflect.InvocationTargetException;
 
 import de.teamteamteam.spacescooter.screen.LoadingScreen;
 import de.teamteamteam.spacescooter.screen.Screen;
@@ -23,41 +24,48 @@ public class Main {
 	 * @param args Command line arguments.
 	 */
 	public static void main(String[] args) {
-		GraphicsSettings gs = new GraphicsSettings(); //Get settings
-		
-		GameConfig.windowWidth = 800;
-		GameConfig.windowHeight = 650;
-		
-		//Instantiate the GameFrame
-		final GameFrame gameFrame = new GameFrame();
-		
-		//Initialize SuperScreen and add to GameFrame, so we can call doPaint() on it.
-		final SuperScreen superScreen = new SuperScreen(null);
-
 		//Initialize the GameFrame properly within the AWT EventQueue
-		EventQueue.invokeLater(new Runnable() {
-			public void run() {
-				gameFrame.setSuperScreen(superScreen);
-				gameFrame.init();
-				gameFrame.draw(); //Draw nothing for the first time.
-			}
-		});
-	
-		//Initialize GameThread
-		PaintThread paintThread = new PaintThread(gameFrame);
-		paintThread.setHz(gs.getRefreshRate()); //This may be set depending on the system graphic settings.
-		paintThread.start();
-		
-		//Initialize UpdateThread
-		UpdateThread updateThread = new UpdateThread();
-		updateThread.setSuperScreen(superScreen);
-		updateThread.setHz(100); //This shall remain constant across all systems.
-		updateThread.start();
+		try {
+			EventQueue.invokeAndWait(new Runnable() {
+				public void run() {
+					GraphicsSettings gs = new GraphicsSettings(); //Get settings
+					
+					GameConfig.windowWidth = 800;
+					GameConfig.windowHeight = 650;
+					
+					//Instantiate the GameFrame
+					final GameFrame gameFrame = new GameFrame();
+					
+					//Initialize SuperScreen and add to GameFrame, so we can call doPaint() on it.
+					final SuperScreen superScreen = new SuperScreen(null);
+					gameFrame.setSuperScreen(superScreen);
 
-		//Set up the LoadingScreen
-		superScreen.setOverlay(new LoadingScreen(superScreen));
-
-		//Start loading and everything will follow up.
-		Loader.load((LoadingScreen) Screen.currentScreen);
+					//Initialize the gameFrame and trigger a first draw.
+					gameFrame.init();
+					gameFrame.draw(); //Draw nothing for the first time.
+				
+					//Initialize GameThread
+					PaintThread paintThread = new PaintThread(gameFrame);
+					paintThread.setHz(gs.getRefreshRate()); //This may be set depending on the system graphic settings.
+					paintThread.start();
+					
+					//Initialize UpdateThread
+					UpdateThread updateThread = new UpdateThread();
+					updateThread.setSuperScreen(superScreen);
+					updateThread.setHz(100); //This shall remain constant across all systems.
+					updateThread.start();
+			
+					//Set up the LoadingScreen
+					superScreen.setOverlay(new LoadingScreen(superScreen));
+			
+					//Start loading and everything will follow up.
+					Loader.load((LoadingScreen) Screen.currentScreen);
+				}
+			});
+		} catch (InvocationTargetException e) {
+			e.printStackTrace();
+		} catch (InterruptedException e) {
+			e.printStackTrace();
+		}
 	}
 }

src/de/teamteamteam/spacescooter/thread/PaintThread.java

@@ -1,6 +1,7 @@
 package de.teamteamteam.spacescooter.thread;
 
 import java.awt.EventQueue;
+import java.lang.reflect.InvocationTargetException;
 
 import de.teamteamteam.spacescooter.GameFrame;
 
@@ -38,7 +39,13 @@ public class PaintThread extends TimedThread {
 	 */
 	public void work() {
 		//Trigger redrawing the things. Important: AWT-Context needed here!
-		EventQueue.invokeLater(this.paintRunnable);
+		try {
+			EventQueue.invokeAndWait(this.paintRunnable);
+		} catch (InvocationTargetException e) {
+			e.printStackTrace();
+		} catch (InterruptedException e) {
+			e.printStackTrace();
+		}
 	}
 
 	/**

src/de/teamteamteam/spacescooter/thread/TimedThread.java

@@ -40,6 +40,11 @@ public abstract class TimedThread extends Thread {
 			this.workTime = (workDone - workStart);
 
 			long timeToWait = this.workInterval - workTime;
+			//in case we are already running late, just print a warning and carry on!
+			if(timeToWait < 0) {
+				System.err.println("[" + this.getName() + "] workTime exceeds workInterval!:" + this.workTime + " > " + this.workInterval);
+				continue;
+			}
 			long msToWait = timeToWait / 1000000;
 
 			// wait using sleep for bigger intervals