diff --git a/VBO/src/main/Main.java b/VBO/src/main/Main.java
index 0d696d5..919b8ca 100644
--- a/VBO/src/main/Main.java
+++ b/VBO/src/main/Main.java
@@ -10,11 +10,12 @@ import org.lwjgl.opengl.*;
 import rendering.*;
 import vanilla.java.affinity.*;
 import vanilla.java.affinity.impl.*;
+import world.*;
 
 public class Main {
 
 	private static boolean IsRunning = true;
-	private static long current = System.currentTimeMillis(), elapsedInfo = 0,
+	private static long current = System.currentTimeMillis(),current2, elapsedInfo = 0,
 			elapsed = 0, previous = 0;
 	private static long timeTicks = 0, timeFps = 0;
 	private static int FPS = 0, TICKS = 0, LAST_TICKS = 60, LAST_FPS = 60;
@@ -72,6 +73,7 @@ public class Main {
 	/**
 	 * @Info Boucle principal avec Timer
 	 */
+	public static long time = 0;
 	public static void loop() {
 		while (IsRunning) {
 			previous = current;
@@ -84,13 +86,14 @@ public class Main {
 				DisplayManager.updateDisplay();
 			}
 
+			current2 = System.nanoTime();
 			if (elapsed >= 1000 / 60) {
 				Update.updateMouse();
 				Update.updateKeyboard();
 				Update.update();
 				TICKS++;
 				elapsed = 0;
-				timeTicks = System.currentTimeMillis() - current;
+				timeTicks = System.nanoTime() - current2;
 			} else {
 				DisplayManager.clearScreen();
 				DisplayManager.preRender3D();
@@ -102,23 +105,25 @@ public class Main {
 				DisplayManager.preRender2D();
 				DisplayManager.render2D();
 				FPS++;
-				timeFps = System.currentTimeMillis() - current;
+				timeFps = System.nanoTime() - current2;
 			}
 
 			if (elapsedInfo >= 1000) {
 				LAST_FPS = FPS;
 				LAST_TICKS = TICKS;
-				Display.setTitle(TITLE + " | FPS:" + LAST_FPS + " TICKS:"
-						+ LAST_TICKS + " timeFps:" + timeFps + "ms timeTicks:"
-						+ timeTicks + "ms" + " | PX:"
+				Display.setTitle(TITLE + " | FPS:" + (int)(1000000000.0f/timeFps) + " TICKS:"
+						+ (int)(1000000000.0f/timeTicks)  + " timeFps:" + timeFps + "ns timeTicks:"
+						+ timeTicks + "ns" + " | PX:"
 						+ Camera.getPosition().getX() + " PY:"
 						+ Camera.getPosition().getY() + " PZ:"
 						+ Camera.getPosition().getZ() + " | "
-						+ mainPool);
+						+ World.updateWorldTime + " " + DisplayManager.getDelta());
 				FPS = 0;
 				TICKS = 0;
 				elapsedInfo = 0;
 			}
+			
+			Display.update();
 		}
 	}
 
diff --git a/VBO/src/main/Update.java b/VBO/src/main/Update.java
index 14ca726..b79c498 100644
--- a/VBO/src/main/Update.java
+++ b/VBO/src/main/Update.java
@@ -105,7 +105,6 @@ public class Update {
 	 */
 	public static void update(){
 		Main.getGame().update();
-		Display.update();
 	}
 	
 }
diff --git a/VBO/src/main/VBO.java b/VBO/src/main/VBO.java
index 0c4e8d5..2c00170 100644
--- a/VBO/src/main/VBO.java
+++ b/VBO/src/main/VBO.java
@@ -1,10 +1,10 @@
 package main;
-import static org.lwjgl.opengl.GL15.*;
 import static org.lwjgl.opengl.GL11.*;
-import static org.lwjgl.opengl.GL13.*;
+import static org.lwjgl.opengl.GL15.*;
 import static org.lwjgl.opengl.GL20.*;
 
 import java.nio.*;
+import java.util.*;
 
 import org.lwjgl.*;
 
@@ -14,6 +14,7 @@ public class VBO {
 	private int bufferSize = 0;
 	private int vboID = 0;
 	private FloatBuffer buffer;
+	private ArrayList<Float> floatlist = new ArrayList<Float>();
 	
 	public VBO(){
 		this.vboID = createVBO();
@@ -40,18 +41,8 @@ public class VBO {
 	
 	public void addDataByFloatArray(float[] a){
 		 if(a == null)return;
-		 if(buffer != null){
-			 int size = buffer.limit();
-			 float[] previousBuffer = new float[size];
-			 buffer.get(previousBuffer);
-			 buffer.clear();
-			 buffer = BufferUtils.createFloatBuffer(size + a.length);
-			 buffer.put(previousBuffer).put(a);
-			 buffer.flip();
-		 }else{
-			 buffer = BufferUtils.createFloatBuffer(a.length);
-			 buffer.put(a);
-			 buffer.flip();
+		 for(float c :a){
+			 floatlist.add(c);
 		 }
 	}
 	
@@ -62,20 +53,11 @@ public class VBO {
 	 * 			
 	 * 			
 	 */
+
 	public void addDataByFloatList(float... a){
 		if(a == null)return;
-		 if(buffer != null){
-			 int size = buffer.limit();
-			 float[] previousBuffer = new float[size];
-			 buffer.get(previousBuffer);
-			 buffer.clear();
-			 buffer = BufferUtils.createFloatBuffer(size + a.length);
-			 buffer.put(previousBuffer).put(a);
-			 buffer.flip();
-		 }else{
-			 buffer = BufferUtils.createFloatBuffer(a.length);
-			 buffer.put(a);
-			 buffer.flip();
+		 for(float c :a){
+			 floatlist.add(c);
 		 }
 	}
 	
@@ -85,6 +67,11 @@ public class VBO {
 	 * @Info Stocke le FloatBuffer dans le GPU
 	 */
 	public void bufferData(){
+		buffer = BufferUtils.createFloatBuffer(floatlist.size());
+		for(Float f : floatlist){
+			buffer.put(f);
+		}
+		buffer.flip();
 		glBindBuffer(GL_ARRAY_BUFFER, vboID);
 		glBufferData(GL_ARRAY_BUFFER, buffer, GL_STATIC_DRAW);
 //		glBufferSubData(vboID, 0, buffer);
diff --git a/VBO/src/world/Chunk.java b/VBO/src/world/Chunk.java
index 09a0dad..aa25c60 100644
--- a/VBO/src/world/Chunk.java
+++ b/VBO/src/world/Chunk.java
@@ -11,7 +11,7 @@ import math.*;
 
 public class Chunk {
 
-	public final static int SIZE = 8;
+	public final static int SIZE = 16;
 	private int x, y, z;
 	private VBO vbo;
 	private World world;
@@ -111,12 +111,12 @@ public class Chunk {
 		boolean right = true;
 		boolean back = true;
 		boolean front = true;
-		up = world.getBlock(xx, yy + 1, zz) == null;
-		down = world.getBlock(xx, yy - 1, zz) == null;
-		left = world.getBlock(xx - 1, yy, zz) == null;
-		right = world.getBlock(xx + 1, yy, zz) == null;
-		front = world.getBlock(xx, yy, zz - 1) == null;
-		back = world.getBlock(xx, yy, zz + 1) == null;
+//		up = world.getBlock(xx, yy + 1, zz) == null;
+//		down = world.getBlock(xx, yy - 1, zz) == null;
+//		left = world.getBlock(xx - 1, yy, zz) == null;
+//		right = world.getBlock(xx + 1, yy, zz) == null;
+//		front = world.getBlock(xx, yy, zz - 1) == null;
+//		back = world.getBlock(xx, yy, zz + 1) == null;
 		if (!up && !down && !left && !right && !front && !back)
 			return;
 		if (blocks[x][y][z] == null)
@@ -133,22 +133,22 @@ public class Chunk {
 			// aa ab bb ba
 			float[] a = new float[] { 1, 1, 1, 1 };
 
-			if (world.getBlock(xx - 1, yy + 1, zz) != null
-					|| world.getBlock(xx - 1, yy + 1, zz - 1) != null
-					|| world.getBlock(xx, yy + 1, zz - 1) != null)
-				a[0] = ao;
-			if (world.getBlock(xx + 1, yy + 1, zz) != null
-					|| world.getBlock(xx + 1, yy + 1, zz - 1) != null
-					|| world.getBlock(xx, yy + 1, zz - 1) != null)
-				a[1] = ao;
-			if (world.getBlock(xx + 1, yy + 1, zz) != null
-					|| world.getBlock(xx + 1, yy + 1, zz + 1) != null
-					|| world.getBlock(xx, yy + 1, zz + 1) != null)
-				a[2] = ao;
-			if (world.getBlock(xx - 1, yy + 1, zz) != null
-					|| world.getBlock(xx - 1, yy + 1, zz + 1) != null
-					|| world.getBlock(xx, yy + 1, zz + 1) != null)
-				a[3] = ao;
+//			if (world.getBlock(xx - 1, yy + 1, zz) != null
+//					|| world.getBlock(xx - 1, yy + 1, zz - 1) != null
+//					|| world.getBlock(xx, yy + 1, zz - 1) != null)
+//				a[0] = ao;
+//			if (world.getBlock(xx + 1, yy + 1, zz) != null
+//					|| world.getBlock(xx + 1, yy + 1, zz - 1) != null
+//					|| world.getBlock(xx, yy + 1, zz - 1) != null)
+//				a[1] = ao;
+//			if (world.getBlock(xx + 1, yy + 1, zz) != null
+//					|| world.getBlock(xx + 1, yy + 1, zz + 1) != null
+//					|| world.getBlock(xx, yy + 1, zz + 1) != null)
+//				a[2] = ao;
+//			if (world.getBlock(xx - 1, yy + 1, zz) != null
+//					|| world.getBlock(xx - 1, yy + 1, zz + 1) != null
+//					|| world.getBlock(xx, yy + 1, zz + 1) != null)
+//				a[3] = ao;
 
 			vbo.addDataByFloatArray(b.getDataUp(xx, yy, zz, a));
 		}
@@ -156,22 +156,22 @@ public class Chunk {
 			float[] a = new float[] { 1, 1, 1, 1 };
 			// ambient occlusion
 
-			if (world.getBlock(xx - 1, yy - 1, zz) != null
-					|| world.getBlock(xx - 1, yy - 1, zz - 1) != null
-					|| world.getBlock(xx, yy - 1, zz - 1) != null)
-				a[1] = ao;
-			if (world.getBlock(xx + 1, yy - 1, zz) != null
-					|| world.getBlock(xx + 1, yy - 1, zz - 1) != null
-					|| world.getBlock(xx, yy - 1, zz - 1) != null)
-				a[0] = ao;
-			if (world.getBlock(xx + 1, yy - 1, zz) != null
-					|| world.getBlock(xx + 1, yy - 1, zz + 1) != null
-					|| world.getBlock(xx, yy - 1, zz + 1) != null)
-				a[3] = ao;
-			if (world.getBlock(xx - 1, yy - 1, zz) != null
-					|| world.getBlock(xx - 1, yy - 1, zz + 1) != null
-					|| world.getBlock(xx, yy - 1, zz + 1) != null)
-				a[2] = ao;
+//			if (world.getBlock(xx - 1, yy - 1, zz) != null
+//					|| world.getBlock(xx - 1, yy - 1, zz - 1) != null
+//					|| world.getBlock(xx, yy - 1, zz - 1) != null)
+//				a[1] = ao;
+//			if (world.getBlock(xx + 1, yy - 1, zz) != null
+//					|| world.getBlock(xx + 1, yy - 1, zz - 1) != null
+//					|| world.getBlock(xx, yy - 1, zz - 1) != null)
+//				a[0] = ao;
+//			if (world.getBlock(xx + 1, yy - 1, zz) != null
+//					|| world.getBlock(xx + 1, yy - 1, zz + 1) != null
+//					|| world.getBlock(xx, yy - 1, zz + 1) != null)
+//				a[3] = ao;
+//			if (world.getBlock(xx - 1, yy - 1, zz) != null
+//					|| world.getBlock(xx - 1, yy - 1, zz + 1) != null
+//					|| world.getBlock(xx, yy - 1, zz + 1) != null)
+//				a[2] = ao;
 
 			// affiche la face si il n'y a rien en dessous
 			vbo.addDataByFloatArray(b.getDataDown(xx, yy, zz, a));
@@ -179,88 +179,88 @@ public class Chunk {
 		if (left) {
 			float[] a = new float[] { 1, 1, 1, 1 };
 
-			if (world.getBlock(xx - 1, yy - 1, zz) != null
-					|| world.getBlock(xx - 1, yy - 1, zz - 1) != null
-					|| world.getBlock(xx - 1, yy, zz - 1) != null)
-				a[0] = ao;
-			if (world.getBlock(xx - 1, yy + 1, zz) != null
-					|| world.getBlock(xx - 1, yy + 1, zz - 1) != null
-					|| world.getBlock(xx - 1, yy, zz - 1) != null)
-				a[1] = ao;
-			if (world.getBlock(xx - 1, yy + 1, zz) != null
-					|| world.getBlock(xx - 1, yy + 1, zz + 1) != null
-					|| world.getBlock(xx - 1, yy, zz + 1) != null)
-				a[2] = ao;
-			if (world.getBlock(xx - 1, yy - 1, zz) != null
-					|| world.getBlock(xx - 1, yy - 1, zz + 1) != null
-					|| world.getBlock(xx - 1, yy, zz + 1) != null)
-				a[3] = ao;
+//			if (world.getBlock(xx - 1, yy - 1, zz) != null
+//					|| world.getBlock(xx - 1, yy - 1, zz - 1) != null
+//					|| world.getBlock(xx - 1, yy, zz - 1) != null)
+//				a[0] = ao;
+//			if (world.getBlock(xx - 1, yy + 1, zz) != null
+//					|| world.getBlock(xx - 1, yy + 1, zz - 1) != null
+//					|| world.getBlock(xx - 1, yy, zz - 1) != null)
+//				a[1] = ao;
+//			if (world.getBlock(xx - 1, yy + 1, zz) != null
+//					|| world.getBlock(xx - 1, yy + 1, zz + 1) != null
+//					|| world.getBlock(xx - 1, yy, zz + 1) != null)
+//				a[2] = ao;
+//			if (world.getBlock(xx - 1, yy - 1, zz) != null
+//					|| world.getBlock(xx - 1, yy - 1, zz + 1) != null
+//					|| world.getBlock(xx - 1, yy, zz + 1) != null)
+//				a[3] = ao;
 
 			vbo.addDataByFloatArray(b.getDataLeft(xx, yy, zz, a));
 		}
 		if (right) {
 			float[] a = new float[] { 1, 1, 1, 1 };
 
-			if (world.getBlock(xx + 1, yy - 1, zz) != null
-					|| world.getBlock(xx + 1, yy - 1, zz - 1) != null
-					|| world.getBlock(xx + 1, yy, zz - 1) != null)
-				a[1] = ao;
-			if (world.getBlock(xx + 1, yy + 1, zz) != null
-					|| world.getBlock(xx + 1, yy + 1, zz - 1) != null
-					|| world.getBlock(xx + 1, yy, zz - 1) != null)
-				a[0] = ao;
-			if (world.getBlock(xx + 1, yy + 1, zz) != null
-					|| world.getBlock(xx + 1, yy + 1, zz + 1) != null
-					|| world.getBlock(xx + 1, yy, zz + 1) != null)
-				a[3] = ao;
-			if (world.getBlock(xx + 1, yy - 1, zz) != null
-					|| world.getBlock(xx + 1, yy - 1, zz + 1) != null
-					|| world.getBlock(xx + 1, yy, zz + 1) != null)
-				a[2] = ao;
+//			if (world.getBlock(xx + 1, yy - 1, zz) != null
+//					|| world.getBlock(xx + 1, yy - 1, zz - 1) != null
+//					|| world.getBlock(xx + 1, yy, zz - 1) != null)
+//				a[1] = ao;
+//			if (world.getBlock(xx + 1, yy + 1, zz) != null
+//					|| world.getBlock(xx + 1, yy + 1, zz - 1) != null
+//					|| world.getBlock(xx + 1, yy, zz - 1) != null)
+//				a[0] = ao;
+//			if (world.getBlock(xx + 1, yy + 1, zz) != null
+//					|| world.getBlock(xx + 1, yy + 1, zz + 1) != null
+//					|| world.getBlock(xx + 1, yy, zz + 1) != null)
+//				a[3] = ao;
+//			if (world.getBlock(xx + 1, yy - 1, zz) != null
+//					|| world.getBlock(xx + 1, yy - 1, zz + 1) != null
+//					|| world.getBlock(xx + 1, yy, zz + 1) != null)
+//				a[2] = ao;
 
 			vbo.addDataByFloatArray(b.getDataRight(xx, yy, zz, a));
 		}
 		if (front) {
 			float[] a = new float[] { 1, 1, 1, 1 };
 
-			if (world.getBlock(xx, yy - 1, zz - 1) != null
-					|| world.getBlock(xx - 1, yy - 1, zz - 1) != null
-					|| world.getBlock(xx - 1, yy, zz - 1) != null)
-				a[0] = ao;
-			if (world.getBlock(xx, yy + 1, zz - 1) != null
-					|| world.getBlock(xx - 1, yy + 1, zz - 1) != null
-					|| world.getBlock(xx - 1, yy, zz - 1) != null)
-				a[3] = ao;
-			if (world.getBlock(xx, yy + 1, zz - 1) != null
-					|| world.getBlock(xx + 1, yy + 1, zz - 1) != null
-					|| world.getBlock(xx + 1, yy, zz - 1) != null)
-				a[2] = ao;
-			if (world.getBlock(xx, yy - 1, zz - 1) != null
-					|| world.getBlock(xx + 1, yy - 1, zz - 1) != null
-					|| world.getBlock(xx + 1, yy, zz - 1) != null)
-				a[1] = ao;
+//			if (world.getBlock(xx, yy - 1, zz - 1) != null
+//					|| world.getBlock(xx - 1, yy - 1, zz - 1) != null
+//					|| world.getBlock(xx - 1, yy, zz - 1) != null)
+//				a[0] = ao;
+//			if (world.getBlock(xx, yy + 1, zz - 1) != null
+//					|| world.getBlock(xx - 1, yy + 1, zz - 1) != null
+//					|| world.getBlock(xx - 1, yy, zz - 1) != null)
+//				a[3] = ao;
+//			if (world.getBlock(xx, yy + 1, zz - 1) != null
+//					|| world.getBlock(xx + 1, yy + 1, zz - 1) != null
+//					|| world.getBlock(xx + 1, yy, zz - 1) != null)
+//				a[2] = ao;
+//			if (world.getBlock(xx, yy - 1, zz - 1) != null
+//					|| world.getBlock(xx + 1, yy - 1, zz - 1) != null
+//					|| world.getBlock(xx + 1, yy, zz - 1) != null)
+//				a[1] = ao;
 
 			vbo.addDataByFloatArray(b.getDataFront(xx, yy, zz, a));
 		}
 		if (back) {
 			float[] a = new float[] { 1, 1, 1, 1 };
 
-			if (world.getBlock(xx, yy - 1, zz + 1) != null
-					|| world.getBlock(xx - 1, yy - 1, zz + 1) != null
-					|| world.getBlock(xx - 1, yy, zz + 1) != null)
-				a[1] = ao;
-			if (world.getBlock(xx, yy + 1, zz + 1) != null
-					|| world.getBlock(xx - 1, yy + 1, zz + 1) != null
-					|| world.getBlock(xx - 1, yy, zz + 1) != null)
-				a[2] = ao;
-			if (world.getBlock(xx, yy + 1, zz + 1) != null
-					|| world.getBlock(xx + 1, yy + 1, zz + 1) != null
-					|| world.getBlock(xx + 1, yy, zz + 1) != null)
-				a[3] = ao;
-			if (world.getBlock(xx, yy - 1, zz + 1) != null
-					|| world.getBlock(xx + 1, yy - 1, zz + 1) != null
-					|| world.getBlock(xx + 1, yy, zz + 1) != null)
-				a[0] = ao;
+//			if (world.getBlock(xx, yy - 1, zz + 1) != null
+//					|| world.getBlock(xx - 1, yy - 1, zz + 1) != null
+//					|| world.getBlock(xx - 1, yy, zz + 1) != null)
+//				a[1] = ao;
+//			if (world.getBlock(xx, yy + 1, zz + 1) != null
+//					|| world.getBlock(xx - 1, yy + 1, zz + 1) != null
+//					|| world.getBlock(xx - 1, yy, zz + 1) != null)
+//				a[2] = ao;
+//			if (world.getBlock(xx, yy + 1, zz + 1) != null
+//					|| world.getBlock(xx + 1, yy + 1, zz + 1) != null
+//					|| world.getBlock(xx + 1, yy, zz + 1) != null)
+//				a[3] = ao;
+//			if (world.getBlock(xx, yy - 1, zz + 1) != null
+//					|| world.getBlock(xx + 1, yy - 1, zz + 1) != null
+//					|| world.getBlock(xx + 1, yy, zz + 1) != null)
+//				a[0] = ao;
 
 			vbo.addDataByFloatArray(b.getDataBack(xx, yy, zz, a));
 		}
@@ -321,19 +321,13 @@ class Generate implements Runnable {
 	 */
 
 	public void run() {
-//		AffinityLock al = null;
-//		int cpuId = 0;
-//		try{
-//			al = AffinityLock.acquireLock();
-//		}catch(Exception e){}
 		long current = System.currentTimeMillis();
+		long elapsed1 = 0;
 		boolean IsError = true;
 		Noise noise = new Noise(world.seed, 30, 7);
 		Random random = new Random(world.seed);
 		for (int x = 0; x < chunk.SIZE; x++) {
 			for (int z = 0; z < chunk.SIZE; z++) {
-//				for (int y = 0; y < chunk.SIZE; y++) {
-				
 					int xa = (int)((Camera.getPosition().getX()-((float)Chunk.SIZE/2.0f))/(float)Chunk.SIZE) - World.VIEW_CHUNK;
 					int xb = (int)((Camera.getPosition().getX()-((float)Chunk.SIZE/2.0f))/(float)Chunk.SIZE) + World.VIEW_CHUNK;
 					int za = (int)((Camera.getPosition().getZ()-((float)Chunk.SIZE/2.0f))/(float)Chunk.SIZE) - World.VIEW_CHUNK;
@@ -344,32 +338,19 @@ class Generate implements Runnable {
 						return;
 					}
 					int xx = chunk.getX() * chunk.SIZE + x;
-//					int yy = chunk.getY() * chunk.SIZE + y;
 					int zz = chunk.getZ() * chunk.SIZE + z;
-//					if(noise.getNoise(xx, zz) > yy){
-//						chunk.blocks[x][y][z] = Block.GRASS;
-//					}else{
-//						continue;
-//					}
+
 					chunk.blocks[x][(int)noise.getNoise(xx, zz)][z] = Block.GRASS;
-//					
-//					float percentOfSpawnTree = 0.0005f;
-//					if(random.nextFloat() < percentOfSpawnTree){
-//						if(random.nextInt(2) == 0)
-//							Tree.addOak(world, xx, (int)noise.getNoise(xx, zz) - 1, zz);
-//						else
-//							Tree.addFir(world, xx, (int)noise.getNoise(xx, zz) - 1, zz);
-//					}
-					
-//				}
+
 			}
 		}
+		elapsed1 = System.currentTimeMillis() - current;
 		while(IsError){
 			IsError = false;
 			try{
-				synchronized (world.chunks) {
+//				synchronized (world.chunks) {
 					for (int i = 0; i < chunk.SIZE; i++) {
-						for (int j = 0; j < chunk.SIZE; j++) {
+//						for (int j = 0; j < chunk.SIZE; j++) {
 							for (int k = 0; k < chunk.SIZE; k++) {
 								int xa = (int)((Camera.getPosition().getX()-((float)Chunk.SIZE/2.0f))/(float)Chunk.SIZE) - World.VIEW_CHUNK;
 								int xb = (int)((Camera.getPosition().getX()-((float)Chunk.SIZE/2.0f))/(float)Chunk.SIZE) + World.VIEW_CHUNK;
@@ -380,19 +361,21 @@ class Generate implements Runnable {
 									Thread.currentThread().stop();
 									return;
 								}
-								chunk.loopChunk(i, j, k);
+								int xx = chunk.getX() * chunk.SIZE + i;
+								int zz = chunk.getZ() * chunk.SIZE + k;
+								chunk.loopChunk(i, (int)noise.getNoise(xx, zz), k);
 							}
-						}
+//						}
 					}
-				}
+//				}
 				chunk.setGenerated(true);
 			}catch (Exception e){
+				e.printStackTrace();
 				IsError = true;
 			}
 		}
-		System.out.println(Thread.currentThread().getName() + " terminated | " + (System.currentTimeMillis()-current));
+		System.out.println(Thread.currentThread().getName() + " terminated | loop1:" + elapsed1 + "ms loop2:" + (System.currentTimeMillis()-current) + "ms");
 		Thread.currentThread().stop();
-//		al.release();
 	}
 
 }
diff --git a/VBO/src/world/World.java b/VBO/src/world/World.java
index 4e98c32..968664b 100644
--- a/VBO/src/world/World.java
+++ b/VBO/src/world/World.java
@@ -11,7 +11,7 @@ public class World {
 	public long seed;
 	public final int SIZE = 1,HEIGHT = 1;
 	public static final float GRAVITY = 1;
-	public static final int VIEW_CHUNK = 8;
+	public static final int VIEW_CHUNK = 4;
 	public static WorldNoise worldNoise;
 	
 	public ArrayList<Chunk> chunks = new ArrayList<Chunk>();
@@ -30,7 +30,9 @@ public class World {
 		for(Chunk ch : chunks)ch.createChunk(this);
 	}
 	
+	public static long updateWorldTime = 0;
 	public void update(){
+		long current = System.currentTimeMillis();
 		int xa = (int)((Camera.getPosition().getX()-((float)Chunk.SIZE/2.0f))/(float)Chunk.SIZE) - VIEW_CHUNK;
 		int xb = (int)((Camera.getPosition().getX()-((float)Chunk.SIZE/2.0f))/(float)Chunk.SIZE) + VIEW_CHUNK;
 		int za = (int)((Camera.getPosition().getZ()-((float)Chunk.SIZE/2.0f))/(float)Chunk.SIZE) - VIEW_CHUNK;
@@ -41,12 +43,11 @@ public class World {
 		int delta_z = zb - za;
 		for(int i = 0; i <= delta_x;i++){
 			for(int k = 0;k <= delta_z;k++){
-				for(int j = 0; j < HEIGHT; j++){
-					if(getChunk((xa + i), 0, (za + k)) == null){
-						Chunk ch = new Chunk((xa + i),j,(za + k),this,worldNoise);
-						chunks.add(ch);
-					}
-				}
+//				for(int j = 0; j < HEIGHT; j++){
+					if(getChunk((xa + i), 0, (za + k)) != null)continue;
+					Chunk ch = new Chunk((xa + i),0,(za + k),this,worldNoise);
+					chunks.add(ch);
+//				}
 			}
 		}
 		ArrayList<Chunk> removeList = new ArrayList<Chunk>();
@@ -55,18 +56,17 @@ public class World {
 			if(c.getPosition().getX() < xa || c.getPosition().getX() > xb || c.getPosition().getZ() < za || c.getPosition().getZ() > zb){
 				c.destroyChunk();
 				removeList.add(c);
+			}else{
+				if(!c.isLoaded() && !c.isGenerated() && !c.isCurrentGenerate() && !c.isDestroy())c.createChunk(this);
+				if(!c.isLoaded() && c.isGenerated() && !c.isDestroy())c.loadBufferData();
+				if(!c.isDestroy())c.update();
 			}
 		}
 		for(Chunk c: removeList){
 			removeByChunk(c);
 		}
-		removeList.clear();		
-		for(Chunk c : chunks){
-			if(!c.isLoaded() && !c.isGenerated() && !c.isCurrentGenerate() && !c.isDestroy())c.createChunk(this);
-			if(!c.isLoaded() && c.isGenerated() && !c.isDestroy())c.loadBufferData();
-			if(!c.isDestroy())c.update();
-		}
-		System.gc();
+		removeList.clear();
+		updateWorldTime = System.currentTimeMillis() - current;
 	}
 	
 	public void render(){