diff --git a/core/src/fr/evolving/UI/Menu.java b/core/src/fr/evolving/UI/Menu.java
index ca5691f..fcd61d2 100644
--- a/core/src/fr/evolving/UI/Menu.java
+++ b/core/src/fr/evolving/UI/Menu.java
@@ -121,7 +121,7 @@ public class Menu extends Actor {
 					Gdx.app.debug("wirechem-Menu","Coordonnées:" + x + "x" + y + " Menu:" + coords.x
 							+ "," + coords.y + " Ecran :" + coords2.x
 							+ "x" + coords2.y + " type:"
-							+ tile.get("type"));
+							+ tile.get("type")+" selection:"+getSelection());
 					selected.setBounds(coords2.x, coords2.y, 60, 60);
 					onchanged();
 				}
@@ -230,6 +230,11 @@ public class Menu extends Actor {
 
 	public void update() {
 		clearall();
+		if (worlds.isDebug()) 
+		{
+			this.setMenuTile(0, 4, 87, "gold_pen",0);
+			this.setMenuTile(1, 4, 88, "lock_pen",0);
+		}
 		if (worlds.getInformations().Cout>=0 || worlds.isDebug())
 		{
 			this.setMenuTile(0, 7, 71, "copper_pen",0);
diff --git a/core/src/fr/evolving/UI/TouchMaptiles.java b/core/src/fr/evolving/UI/TouchMaptiles.java
index 91639d5..108bb62 100644
--- a/core/src/fr/evolving/UI/TouchMaptiles.java
+++ b/core/src/fr/evolving/UI/TouchMaptiles.java
@@ -26,6 +26,7 @@ import com.badlogic.gdx.scenes.scene2d.utils.ActorGestureListener;
 
 import fr.evolving.assets.AssetLoader;
 import fr.evolving.automata.Level;
+import fr.evolving.automata.Worlds;
 import fr.evolving.screens.GameScreen.calling;
 
 public class TouchMaptiles extends Actor implements GestureListener,InputProcessor {
@@ -40,8 +41,10 @@ public class TouchMaptiles extends Actor implements GestureListener,InputProcess
 	private String selected;
 	private boolean mapexit;
 	private int clearsprite;
+	private Worlds worlds;
 
-	public TouchMaptiles(Level level, int sizex, int sizey) {
+	public TouchMaptiles(Worlds worlds,Level level, int sizex, int sizey) {
+		this.worlds=worlds;
 		this.level = level;
 		this.sizex = sizex;
 		this.sizey = sizey;
@@ -60,7 +63,7 @@ public class TouchMaptiles extends Actor implements GestureListener,InputProcess
 		for(int i=0;i<max;i++)
 			if (layers.get(0)!=null)
 				layers.remove(0);
-		for (int i = 0; i < 5; i++) {
+		for (int i = 0; i < 7; i++) {
 			TiledMapTileLayer layer = new TiledMapTileLayer(level.Grid.sizeX, level.Grid.sizeY, sizex, sizey);
 			for (int x = 0; x < layer.getWidth(); x++) {
 				for (int y = 0; y < layer.getHeight(); y++) {
@@ -162,50 +165,37 @@ public class TouchMaptiles extends Actor implements GestureListener,InputProcess
 	public void redraw() {
 		for (int x = 0; x < level.Grid.sizeX; x++)
 			for (int y = 0; y < level.Grid.sizeY; y++) {
-				((TiledMapTileLayer) map.getLayers().get(2)).getCell((int) x,(int) y).setTile(null);
-				((TiledMapTileLayer) map.getLayers().get(1)).getCell((int) x,(int) y).setTile(null);
-				((TiledMapTileLayer) map.getLayers().get(0)).getCell((int) x,(int) y).setTile(AssetLoader.tileSet.getTile(this.clearsprite));
-			}
-		for (int x = 0; x < level.Grid.sizeX; x++)
-			for (int y = 0; y < level.Grid.sizeY; y++) {
-				if (level.Grid.getCopper(x, y))
-					((TiledMapTileLayer) map.getLayers().get(1)).getCell(
-							(int) x, (int) y).setTile(
-							AssetLoader.tileSet.getTile(level.Grid
-									.getCoppercalc(x, y)));
-				if (level.Grid.getFiber(x, y))
-					((TiledMapTileLayer) map.getLayers().get(0)).getCell(
-							(int) x, (int) y).setTile(
-							AssetLoader.tileSet.getTile(61));
-				if (level.Grid.getTransmutercalc(x, y) != 0) {
-					((TiledMapTileLayer) map.getLayers().get(2)).getCell(
-							(int) x, (int) y).setTile(
-							AssetLoader.tileSet.getTile(level.Grid
-									.getTransmutercalc(x, y)));
-					((TiledMapTileLayer) map.getLayers().get(2)).getCell(
-							(int) x, (int) y).setRotation(
-							level.Grid.getTransmuterrot(x, y));
-					((TiledMapTileLayer) map.getLayers().get(2))
-							.getCell((int) x, (int) y)
-							.getTile()
-							.getProperties()
-							.put("movex",
-									level.Grid.GetXY(x, y).Transmuter_movex);
-					((TiledMapTileLayer) map.getLayers().get(2))
-							.getCell((int) x, (int) y)
-							.getTile()
-							.getProperties()
-							.put("movey",
-									level.Grid.GetXY(x, y).Transmuter_movex);
+				if (worlds.isDebug()) {
+				if (level.Grid.GetXY(x,y).Locked)
+					((TiledMapTileLayer) map.getLayers().get(5)).getCell((int) x,(int) y).setTile(AssetLoader.tileSet.getTile(90));
+				else
+					((TiledMapTileLayer) map.getLayers().get(5)).getCell((int) x,(int) y).setTile(null);
+				if (level.Grid.GetXY(x,y).Free)
+					((TiledMapTileLayer) map.getLayers().get(6)).getCell((int) x,(int) y).setTile(AssetLoader.tileSet.getTile(89));
+				else
+					((TiledMapTileLayer) map.getLayers().get(6)).getCell((int) x,(int) y).setTile(null);
 				}
+				if (level.Grid.getCopper(x, y))
+					((TiledMapTileLayer) map.getLayers().get(1)).getCell((int) x, (int) y).setTile(AssetLoader.tileSet.getTile(level.Grid.getCoppercalc(x, y)));
+				else
+					((TiledMapTileLayer) map.getLayers().get(1)).getCell((int) x,(int) y).setTile(null);
+				if (level.Grid.getFiber(x, y))
+					((TiledMapTileLayer) map.getLayers().get(0)).getCell((int) x, (int) y).setTile(AssetLoader.tileSet.getTile(61));
+				else
+					((TiledMapTileLayer) map.getLayers().get(0)).getCell((int) x,(int) y).setTile(AssetLoader.tileSet.getTile(this.clearsprite));
+				if (level.Grid.getTransmutercalc(x, y) != 0) {
+					((TiledMapTileLayer) map.getLayers().get(2)).getCell((int) x, (int) y).setTile(AssetLoader.tileSet.getTile(level.Grid.getTransmutercalc(x, y)));
+					((TiledMapTileLayer) map.getLayers().get(2)).getCell((int) x, (int) y).setRotation(level.Grid.getTransmuterrot(x, y));
+					((TiledMapTileLayer) map.getLayers().get(2)).getCell((int) x, (int) y).getTile().getProperties().put("movex",level.Grid.GetXY(x, y).Transmuter_movex);
+					((TiledMapTileLayer) map.getLayers().get(2)).getCell((int) x, (int) y).getTile().getProperties().put("movey",level.Grid.GetXY(x, y).Transmuter_movex);
+				}
+				else
+					((TiledMapTileLayer) map.getLayers().get(2)).getCell((int) x,(int) y).setTile(null);
 				;
 			}
-		((TiledMapTileLayer) map.getLayers().get(0)).getCell((int) 0, (int) 0)
-				.setTile(AssetLoader.tileSet.getTile(1010));
-		((TiledMapTileLayer) map.getLayers().get(0)).getCell((int) 1, (int) 0)
-				.setTile(AssetLoader.tileSet.getTile(1010));
-		((TiledMapTileLayer) map.getLayers().get(0)).getCell((int) 2, (int) 0)
-				.setTile(AssetLoader.tileSet.getTile(1010));
+		((TiledMapTileLayer) map.getLayers().get(0)).getCell((int) 0, (int) 0).setTile(AssetLoader.tileSet.getTile(1010));
+		((TiledMapTileLayer) map.getLayers().get(0)).getCell((int) 1, (int) 0).setTile(AssetLoader.tileSet.getTile(1010));
+		((TiledMapTileLayer) map.getLayers().get(0)).getCell((int) 2, (int) 0).setTile(AssetLoader.tileSet.getTile(1010));
 	}
 
 	public void initzoom() {
@@ -274,7 +264,7 @@ public class TouchMaptiles extends Actor implements GestureListener,InputProcess
 	@Override
 	public boolean touchDown(float x, float y, int pointer, int button) {
 		String[] exec = { "cleaner", "infos", "zoomp", "zoomm",
-				"copper_pen", "fiber_pen", "copper_eraser",
+				"copper_pen", "fiber_pen", "gold_pen","lock_pen","copper_eraser",
 				"fiber_eraser", "transmuter_eraser", "all_eraser",
 				"blank", "transmuter", "copper_brush", "fiber_brush" };
 		return event_coordination(x, y, button, calling.mouseclick,
diff --git a/core/src/fr/evolving/automata/Cell.java b/core/src/fr/evolving/automata/Cell.java
index ee5955e..dbcc9ae 100644
--- a/core/src/fr/evolving/automata/Cell.java
+++ b/core/src/fr/evolving/automata/Cell.java
@@ -6,6 +6,8 @@ public class Cell implements Serializable,Cloneable {
 	public int Fiber;
 	public boolean Copper;
 	public Transmuter Transmuter;
+	public boolean Locked;
+	public boolean Free;
 	
 	public transient int Copper_calc;
 	public transient int Fiber_old;
@@ -16,6 +18,8 @@ public class Cell implements Serializable,Cloneable {
 	public Cell() {
 		this.Fiber = 0;
 		this.Copper = false;
+		this.Locked = false;
+		this.Free = false;
 		this.Fiber_old = 0;
 		this.Transmuter = null;
 		this.Transmuter_calc = 0;
diff --git a/core/src/fr/evolving/automata/Grid.java b/core/src/fr/evolving/automata/Grid.java
index 72d5a1e..ef3e915 100644
--- a/core/src/fr/evolving/automata/Grid.java
+++ b/core/src/fr/evolving/automata/Grid.java
@@ -28,7 +28,7 @@ public class Grid implements Serializable,Cloneable {
 			for (int y = 0; y < this.sizeY; y++)
 			{
 				GetXY(x, y).Transmuter_calc = 0;
-				if (GetXY(x, y).Transmuter!=null)
+				if (GetXY(x, y).Transmuter!=null && !GetXY(x, y).Free)
 					result+=GetXY(x, y).Transmuter.getPrice();
 			}
 		for (int x = 0; x < this.sizeX; x++)
@@ -59,12 +59,15 @@ public class Grid implements Serializable,Cloneable {
 		int result=0;
 		for (int x = 0; x < this.sizeX; x++)
 			for (int y = 0; y < this.sizeY; y++) {
-				if (getFiber(x,y))
+				if (getFiber(x,y) && !GetXY(x, y).Free)
 					result+=5;
 				if (getCopper(x, y)) {
-					result++;
-					if (getFiber(x,y))
-					result+=45;
+					if (!GetXY(x, y).Free)
+					{
+						result++;
+						if (getFiber(x,y))
+							result+=45;
+					}
 					int value = 0;
 					if (getCopper(x, y + 1))
 						value++;
diff --git a/core/src/fr/evolving/automata/Negativer.java b/core/src/fr/evolving/automata/Negativer.java
index 313a540..c524f66 100644
--- a/core/src/fr/evolving/automata/Negativer.java
+++ b/core/src/fr/evolving/automata/Negativer.java
@@ -45,7 +45,7 @@ public class Negativer extends Transmuter {
 		this.Name = AssetLoader.language.get("[negativer-name]");
 		this.Desc = AssetLoader.language.get("[negativer-desc]");
 		this.theClass = Class.Scenario;
-		this.Price = 0;
+		this.Price = 20;
 		this.Technology = 0;
 		this.Research = 0;
 		this.Upgrade = null;
diff --git a/core/src/fr/evolving/automata/Positiver.java b/core/src/fr/evolving/automata/Positiver.java
index 2a55b9d..b0f86a8 100644
--- a/core/src/fr/evolving/automata/Positiver.java
+++ b/core/src/fr/evolving/automata/Positiver.java
@@ -45,7 +45,7 @@ public class Positiver extends Transmuter {
 		this.Name = AssetLoader.language.get("[positiver-name]");
 		this.Desc = AssetLoader.language.get("[positiver-desc]");
 		this.theClass = Class.Scenario;
-		this.Price = 0;
+		this.Price = 20;
 		this.Technology = 0;
 		this.Research = 0;
 		this.Upgrade = null;
diff --git a/core/src/fr/evolving/screens/GameScreen.java b/core/src/fr/evolving/screens/GameScreen.java
index 6e63e42..ff8998f 100644
--- a/core/src/fr/evolving/screens/GameScreen.java
+++ b/core/src/fr/evolving/screens/GameScreen.java
@@ -325,7 +325,7 @@ public class GameScreen implements Screen {
 		});
 		dialog = new WarnDialog(AssetLoader.Skin_ui);
 		Gdx.app.debug("wirechem-GameScreen", "Création d'une tilemap");
-		map = new TouchMaptiles(level, 128, 128);
+		map = new TouchMaptiles(worlds,level, 128, 128);
 		if (Preference.prefs.getBoolean("Grid"))
 			map.setClearsprite(60);
 		else
@@ -518,10 +518,13 @@ public class GameScreen implements Screen {
 			int button, calling call) {
 		for (x = 0; x < level.Grid.sizeX; x++)
 			for (y = 0; y < level.Grid.sizeY; y++)
-				map_transmuter_eraser(0, 0, x, y, false, button, call);
+				if (!level.Grid.GetXY(x, y).Locked)
+					map_transmuter_eraser(0, 0, x, y, false, button, call);
 		level.Cout_transmuter=level.Grid.tiling_transmuter();
 		for (x = 0; x < level.Grid.sizeX; x++)
-			for (y = 0; y < level.Grid.sizeY; y++) {
+			for (y = 0; y < level.Grid.sizeY; y++)
+				if (!level.Grid.GetXY(x, y).Locked)
+			{
 				map_fiber_eraser(0, 0, x, y, false, button, call);
 				map_copper_eraser(0, 0, x, y, false, button, call);
 			}
@@ -538,7 +541,7 @@ public class GameScreen implements Screen {
 
 	public void map_transmuter_eraser(float realx, float realy, int x, int y,
 			boolean alone, int button, calling call) {
-		if (level.Grid.GetXY(x, y).Transmuter_calc != 0) {
+		if (level.Grid.GetXY(x, y).Transmuter_calc != 0 && !level.Grid.GetXY(x, y).Locked) {
 			level.Grid.GetXY(x + level.Grid.GetXY(x, y).Transmuter_movex, y
 					+ level.Grid.GetXY(x, y).Transmuter_movey).Transmuter = null;
 			Gdx.app.debug("wirechem-GameScreen", "transmuter deplacement vers origine:"
@@ -555,7 +558,7 @@ public class GameScreen implements Screen {
 
 	public void map_fiber_eraser(float realx, float realy, int x, int y,
 			boolean alone, int button, calling call) {
-		if (level.Grid.GetXY(x, y).Transmuter_calc == 0) {
+		if (level.Grid.GetXY(x, y).Transmuter_calc == 0 && !level.Grid.GetXY(x, y).Locked) {
 			level.Grid.GetXY(x, y).Fiber = 0;
 			if (alone) {
 				level.Cout_copperfiber=level.Grid.tiling_copper();
@@ -568,7 +571,7 @@ public class GameScreen implements Screen {
 			int button, calling call) {
 		if (!worlds.isDebug() && level.Cout<5)
 			return;
-		if (level.Grid.GetXY(x, y).Transmuter_calc == 0)
+		if (level.Grid.GetXY(x, y).Transmuter_calc == 0 && !level.Grid.GetXY(x, y).Locked)
 			level.Grid.GetXY(x, y).Fiber = -1 * level.Grid.GetXY(x, y).Fiber
 					+ 1;
 		if (alone) {
@@ -581,7 +584,7 @@ public class GameScreen implements Screen {
 			int button, calling call) {
 		if (!worlds.isDebug() && level.Cout<5)
 			return;
-		if (level.Grid.GetXY(x, y).Transmuter_calc == 0)
+		if (level.Grid.GetXY(x, y).Transmuter_calc == 0 && !level.Grid.GetXY(x, y).Locked)
 			level.Grid.GetXY(x, y).Fiber = 1;
 		if (alone) {
 			level.Cout_copperfiber=level.Grid.tiling_copper();
@@ -591,7 +594,7 @@ public class GameScreen implements Screen {
 
 	public void map_copper_eraser(float realx, float realy, int x, int y,
 			boolean alone, int button, calling call) {
-		if (level.Grid.GetXY(x, y).Transmuter_calc == 0) {
+		if (level.Grid.GetXY(x, y).Transmuter_calc == 0 && !level.Grid.GetXY(x, y).Locked) {
 			level.Grid.GetXY(x, y).Copper = false;
 			if (alone) {
 				level.Cout_copperfiber=level.Grid.tiling_copper();
@@ -604,7 +607,7 @@ public class GameScreen implements Screen {
 			int button, calling call) {
 		if (!worlds.isDebug() && level.Cout<1)
 			return;
-		if (level.Grid.GetXY(x, y).Transmuter_calc == 0)
+		if (level.Grid.GetXY(x, y).Transmuter_calc == 0 && !level.Grid.GetXY(x, y).Locked)
 			level.Grid.GetXY(x, y).Copper = !level.Grid.GetXY(x, y).Copper;
 		if (alone) {
 			level.Cout_copperfiber=level.Grid.tiling_copper();
@@ -612,10 +615,24 @@ public class GameScreen implements Screen {
 		}
 	}
 
+	public void map_gold_pen(float realx, float realy, int x, int y, boolean alone,
+			int button, calling call) {
+		level.Grid.GetXY(x, y).Free=!level.Grid.GetXY(x, y).Free;
+		level.Cout_copperfiber=level.Grid.tiling_copper();
+		level.Cout_transmuter=level.Grid.tiling_transmuter();
+		map.redraw();
+	}
+	
+	public void map_lock_pen(float realx, float realy, int x, int y, boolean alone,
+			int button, calling call) {
+		level.Grid.GetXY(x, y).Locked=!level.Grid.GetXY(x, y).Locked;
+		map.redraw();
+	}
+	
 	public void map_copper_brush(float realx, float realy, int x, int y,boolean alone, int button, calling call) {
 		if (!worlds.isDebug() && level.Cout<1)
 			return;
-		if (level.Grid.GetXY(x, y).Transmuter_calc == 0)
+		if (level.Grid.GetXY(x, y).Transmuter_calc == 0 && !level.Grid.GetXY(x, y).Locked)
 			level.Grid.GetXY(x, y).Copper = true;
 		if (alone) {
 			level.Cout_copperfiber=level.Grid.tiling_copper();