fix incorrect calling of update method

src/yugecin/opsudance/core/Demux.java

@@ -86,7 +86,7 @@ public class Demux implements KeyListener, MouseListener {
 	}
 
 	public void preRenderUpdate(int delta) {
-		state.update(delta);
+		state.preRenderUpdate(delta);
 	}
 
 	public void render(Graphics g) {

src/yugecin/opsudance/core/DisplayContainer.java

@@ -96,6 +96,7 @@ public class DisplayContainer {
 			timeSinceLastRender += delta;
 
 			input.poll(width, height);
+			demux.update(delta);
 
 			int maxRenderInterval;
 			if (Display.isVisible() && Display.isActive()) {
@@ -114,7 +115,7 @@ public class DisplayContainer {
 				graphics.resetTransform();
 				*/
 
-				demux.update(timeSinceLastRender);
+				demux.preRenderUpdate(timeSinceLastRender);
 				demux.render(graphics);
 
 				realRenderInterval = timeSinceLastRender;