Create TimingThread to better control worker timings.

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

@@ -0,0 +1,28 @@
+package de.teamteamteam.spacescooter.threads;
+
+import java.awt.EventQueue;
+
+import de.teamteamteam.spacescooter.gui.GameFrame;
+
+/**
+ * This thread triggers about 60 redraws per second.
+ */
+public class PaintThread extends TimingThread {
+
+	private GameFrame gf;
+
+	public PaintThread(GameFrame gf) {
+		this.gf = gf;
+		this.setName("GameThread");
+		this.setHz(60);
+	}
+
+	public void work() {
+		//Trigger redrawing the things. Important: AWT-Context needed here!
+		EventQueue.invokeLater(new Runnable() {
+			public void run() {
+				gf.draw();
+			}
+		});
+	}
+}