diff --git a/src/main/java/galaxyoyo/unknown/api/editor/Collision.java b/src/main/java/galaxyoyo/unknown/api/editor/Collision.java
index 9a551ce..8cb9f1d 100644
--- a/src/main/java/galaxyoyo/unknown/api/editor/Collision.java
+++ b/src/main/java/galaxyoyo/unknown/api/editor/Collision.java
@@ -2,5 +2,5 @@ package galaxyoyo.unknown.api.editor;
 
 public enum Collision
 {
-	FULL, LEFT, RIGHT, TOP, BOTTOM, ANY;
+	FULL, PARTIAL, ANY;
 }
diff --git a/src/main/java/galaxyoyo/unknown/editor/CollidPanel.java b/src/main/java/galaxyoyo/unknown/editor/CollidPanel.java
new file mode 100644
index 0000000..658a8d7
--- /dev/null
+++ b/src/main/java/galaxyoyo/unknown/editor/CollidPanel.java
@@ -0,0 +1,104 @@
+package galaxyoyo.unknown.editor;
+
+import galaxyoyo.unknown.api.editor.Case;
+import galaxyoyo.unknown.api.editor.Collision;
+
+import java.awt.Color;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.image.BufferedImage;
+
+import javax.swing.JPanel;
+
+public class CollidPanel extends JPanel
+{
+	private static final long serialVersionUID = -138754019431984881L;
+	
+	private final EditorFrame frame;
+	
+	public CollidPanel(EditorFrame frame)
+	{
+		super ();
+		this.frame = frame;
+	}
+	
+	public EditorFrame getFrame()
+	{
+		return frame;
+	}
+	
+	public Map getMap()
+	{
+		return frame.getMap();
+	}
+	
+	@Override
+	public void paintComponent(Graphics g)
+	{
+		g.fillRect(0, 0, getWidth(), getHeight());
+		BufferedImage img = getMap().getFont();
+		int x = getWidth() / 2 - img.getWidth();
+		int y = getHeight() / 2 - img.getHeight();
+		int width = img.getWidth() * 2;
+		int height = img.getHeight() * 2;
+		g.drawImage(getMap().getFont(), x, y, width, height, null);
+		
+		for (Case c : getMap().getAllCases())
+		{			
+			if (isEmpty(c.getCoucheOne().getImage()))
+				continue;
+			
+			g.drawImage(c.getCoucheOne().getImage(), x + c.getPosX() * 34 + 2, y + c.getPosY() * 34 + 2, 32, 32, null);
+			
+			if (isEmpty(c.getCoucheTwo().getImage()))
+				continue;
+			
+			g.drawImage(c.getCoucheTwo().getImage(), x + c.getPosX() * 34 + 2, y + c.getPosY() * 34 + 2, 32, 32, null);
+			
+			if (isEmpty(c.getCoucheThree().getImage()))
+				continue;
+			
+			g.drawImage(c.getCoucheThree().getImage(), x + c.getPosX() * 34 + 2, y + c.getPosY() * 34 + 2, 32, 32, null);
+		}
+		
+		for (Case c : getMap().getAllCases())
+		{
+			if (c.getCollision() != Collision.ANY)
+			{
+				BufferedImage alpha = new BufferedImage(16, 16, BufferedImage.TYPE_INT_ARGB);
+				
+				if (c.getCollision() == Collision.FULL)
+				{
+					Graphics2D grap = alpha.createGraphics();
+					grap.setColor(new Color(0, 0, 0, 100));
+					grap.fillRect(0, 0, 16, 16);
+					grap.dispose();
+				}
+				else if (c.getCollision() == Collision.PARTIAL)
+				{
+					Graphics2D grap = alpha.createGraphics();
+					grap.setColor(new Color(255, 0, 255, 70));
+					grap.fillRect(0, 0, 16, 16);
+					grap.dispose();
+				}
+				
+				g.drawImage(alpha, x + c.getPosX() * 34 + 2, y + c.getPosY() * 34 + 2, 32, 32, null);
+			}
+		}
+	}
+
+	private boolean isEmpty(BufferedImage image)
+	{
+		int allrgba = 0;
+		
+		for (int x = 0; x < image.getWidth(); ++x)
+		{
+			for (int y = 0; y < image.getHeight(); ++y)
+			{
+				allrgba += image.getRGB(x, y) + 1;
+			}
+		}
+		
+		return allrgba == 0;
+	}
+}
diff --git a/src/main/java/galaxyoyo/unknown/editor/EditorFrame.java b/src/main/java/galaxyoyo/unknown/editor/EditorFrame.java
index 6c143ae..6826750 100644
--- a/src/main/java/galaxyoyo/unknown/editor/EditorFrame.java
+++ b/src/main/java/galaxyoyo/unknown/editor/EditorFrame.java
@@ -5,6 +5,7 @@ import galaxyoyo.unknown.api.editor.RawMap;
 import galaxyoyo.unknown.api.editor.sprites.Category;
 import galaxyoyo.unknown.api.editor.sprites.Sprite;
 import galaxyoyo.unknown.api.editor.sprites.SpriteRegister;
+import galaxyoyo.unknown.frame.listeners.CollidMapMouseListener;
 import galaxyoyo.unknown.frame.listeners.CreateMapListener;
 import galaxyoyo.unknown.frame.listeners.MapMouseListener;
 import galaxyoyo.unknown.frame.listeners.OpenMapListener;
@@ -48,7 +49,7 @@ public class EditorFrame extends JFrame implements ChangeListener, ActionListene
 	private JMenuItem exit = new JMenuItem("Quitter");
 	private final JTabbedPane tabs = new JTabbedPane();
 	private final JPanel tabEvents = new JPanel();
-	private final JPanel tabColl = new JPanel();
+	private final CollidPanel tabColl = new CollidPanel(this);
 	private final MapPanel mapPanel = new MapPanel(this);
 	private final JTabbedPane resources = new JTabbedPane();
 	private final JPanel couche1 = new JPanel();
@@ -64,6 +65,7 @@ public class EditorFrame extends JFrame implements ChangeListener, ActionListene
 		this.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
 		this.setExtendedState(JFrame.MAXIMIZED_BOTH);
 		this.setLocationRelativeTo(null);
+		this.addWindowListener(this);
 		content.setLayout(new BorderLayout());
 		this.setContentPane(content);
 		this.setVisible(true);
@@ -100,9 +102,13 @@ public class EditorFrame extends JFrame implements ChangeListener, ActionListene
 		mapPanel.addMouseListener(new MapMouseListener(mapPanel, this));
 		mapPanel.addMouseMotionListener(new MapMouseListener(mapPanel, this));
 		
+		tabColl.addMouseListener(new CollidMapMouseListener(tabColl, this));
+		tabColl.addMouseMotionListener(new CollidMapMouseListener(tabColl, this));
+		
 		tabs.addTab("Carte", new JScrollPane(mapPanel, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED));
 		tabs.addTab("\u00c9vennments", new JScrollPane(tabEvents));
 		tabs.addTab("Collisions", new JScrollPane(tabColl));
+		tabs.addChangeListener(this);
 		
 		content.add(tabs, BorderLayout.CENTER);
 		
@@ -240,6 +246,15 @@ public class EditorFrame extends JFrame implements ChangeListener, ActionListene
 				resources.setBackgroundAt(2, Color.white);
 			}
 			
+			repaint();
+		}
+		else if (event.getSource() == tabs)
+		{
+			resources.setEnabled(tabs.getSelectedIndex() == 0);
+			couche1.setEnabled(resources.isEnabled());
+			couche2.setEnabled(resources.isEnabled());
+			couche3.setEnabled(resources.isEnabled());
+			
 			repaint();
 		}
 	}
diff --git a/src/main/java/galaxyoyo/unknown/editor/MapPanel.java b/src/main/java/galaxyoyo/unknown/editor/MapPanel.java
index 49edce3..8da5ab2 100644
--- a/src/main/java/galaxyoyo/unknown/editor/MapPanel.java
+++ b/src/main/java/galaxyoyo/unknown/editor/MapPanel.java
@@ -48,8 +48,8 @@ public class MapPanel extends JPanel
 	//		BufferedImage image;
 			
 			g.drawImage(c.getCoucheOne().getImage(), x + c.getPosX() * 34 + 2, y + c.getPosY() * 34 + 2, 32, 32, null);
-			if (frame.getSelectedLayerIndex() != 0)
-		/*	{
+		/*	if (frame.getSelectedLayerIndex() != 0)
+			{
 				image = recalculateAplha(c.getCoucheOne().getImage(), 0);
 				g.drawImage(image, x + c.getPosX() * 34 + 2, y + c.getPosY() * 34 + 2, 32, 32, null);
 			}*/
diff --git a/src/main/java/galaxyoyo/unknown/frame/listeners/CollidMapMouseListener.java b/src/main/java/galaxyoyo/unknown/frame/listeners/CollidMapMouseListener.java
new file mode 100644
index 0000000..3aaaeb9
--- /dev/null
+++ b/src/main/java/galaxyoyo/unknown/frame/listeners/CollidMapMouseListener.java
@@ -0,0 +1,69 @@
+package galaxyoyo.unknown.frame.listeners;
+
+import galaxyoyo.unknown.api.editor.Case;
+import galaxyoyo.unknown.api.editor.Collision;
+import galaxyoyo.unknown.editor.CollidPanel;
+import galaxyoyo.unknown.editor.EditorFrame;
+import galaxyoyo.unknown.editor.Map;
+
+import java.awt.Cursor;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+
+public class CollidMapMouseListener extends MouseAdapter
+{
+	private final EditorFrame frame;
+	private final CollidPanel panel;
+	
+	public CollidMapMouseListener(CollidPanel panel, EditorFrame frame)
+	{
+		this.frame = frame;
+		this.panel = panel;
+	}
+
+	public EditorFrame getFrame()
+	{
+		return frame;
+	}
+
+	@Override
+	public void mouseMoved(MouseEvent event)
+	{
+		Map map = getFrame().getMap();
+
+		int x = panel.getWidth() / 2 - map.getFont().getWidth();
+		int y = panel.getHeight() / 2 - map.getFont().getHeight();
+		
+		if (map.getCase((event.getX() - x - 2) / 34, (event.getY() - y - 2) / 34) != null && event.getX() - x >= 2 && event.getY() - y >= 2)
+		{
+			getFrame().setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
+		}
+		else
+		{
+			getFrame().setCursor(Cursor.getDefaultCursor());
+		}
+	}
+	
+	@Override
+	public void mouseReleased(MouseEvent event)
+	{
+		Map map = getFrame().getMap();
+
+		int x = panel.getWidth() / 2 - map.getFont().getWidth();
+		int y = panel.getHeight() / 2 - map.getFont().getHeight();
+		Case c = null;
+		
+		if ((c = map.getCase((event.getX() - x + 2) / 34, (event.getY() - y + 2) / 34)) != null && event.getX() - x >= 2 && event.getY() - y >= 2)
+		{
+			int colIndex = c.getCollision().ordinal();
+			int newColIndex = colIndex + 1;
+			if (newColIndex >= Collision.values().length)
+				newColIndex = 0;
+			Collision col = Collision.values()[newColIndex];
+			Case n = Case.create(c.getPosX(), c.getPosY(), c.getCoucheOne(), c.getCoucheTwo(), c.getCoucheThree(), col);
+			
+			map.setCase((event.getX() - x + 2) / 34, (event.getY() - y + 2) / 34, n);
+			panel.repaint();
+		}
+	}
+}