Revert "Revert "brought back the buffer trategy""

This reverts commit 504d09d8f8.

src/diveengine2d/Engine.java

@@ -19,6 +19,7 @@ public class Engine extends Canvas {
 	public static int WIDTH, HEIGHT;
 	public static String startScene = null;
 	public static String name = null;
+	public static BufferStrategy bs;
 
 	public Engine(String gameFolder) {
 
@@ -60,36 +61,25 @@ public class Engine extends Canvas {
 		this.requestFocus();
 		this.addKeyListener(new Input());
 		
-		//createBufferStrategy(2);
-		//bs = getBufferStrategy();
-		
-		Time.nanos = System.nanoTime();
+		createBufferStrategy(2);
+		bs = getBufferStrategy();
 		
 		while(true) {
-			
-			Time.startTime = System.currentTimeMillis();
-			if (System.currentTimeMillis() > Time.nextSecond) {
-				Time.nextSecond += 1000;
-				Time.FPS = Time.framesInCurrentSecond;
-				Time.framesInCurrentSecond = 0;
-				//System.out.println("FPS: " + Time.FPS);
-			}
-			Time.framesInCurrentSecond++;
-
-			render();
+			long startTime = System.currentTimeMillis();
 			updateScene();
-			Time.tickTime = (System.nanoTime() - Time.nanos)/1000d;
-			Time.deltaTime = Time.tickTime * Time.timeScale;
-			Time.nanos = System.nanoTime();
-//			System.out.println("dTime: " + Time.deltaTime);
+			Graphics2D g = (Graphics2D)bs.getDrawGraphics();
+			render(g);
+			bs.show();
+			int elapsed = (int)(System.currentTimeMillis() - startTime);
+			try{
+				Thread.sleep(17 - elapsed);
+			}catch(Exception e) {
+				
+			}
 		}
 
 	}
 	
-	private void render() {
-		repaint();
-	}
-	
 	private void updateScene() {
 		SceneManager.updateAll();
 	}
@@ -154,8 +144,8 @@ public class Engine extends Canvas {
 
 	}
 
-	public void update(Graphics g) {
-		SceneManager.render((Graphics2D)g);
+	private void render(Graphics2D g) {
+		SceneManager.render(g);
 		g.setColor(Color.BLACK);
 	}
 }