diff --git a/objects/oMaudit/Destroy_0.gml b/objects/oMaudit/Destroy_0.gml
index 9e7576c..628c229 100644
--- a/objects/oMaudit/Destroy_0.gml
+++ b/objects/oMaudit/Destroy_0.gml
@@ -10,4 +10,6 @@ with(oPlayer) {
 		case 2 :  //  augmentation vitesse
 		case 3 :  // diminution degat
 		case 4 : //  arme 
-		case 5 :  // Degat joueur
\ No newline at end of file
+		case 5 :  // Degat joueur
+	}
+}	
\ No newline at end of file
diff --git a/objects/oMonster/Collision_oWall.gml b/objects/oMonster/Collision_oWall.gml
new file mode 100644
index 0000000..55c6ecc
--- /dev/null
+++ b/objects/oMonster/Collision_oWall.gml
@@ -0,0 +1,15 @@
+with(other)  {
+	if (dir > 1) dir -= 2;
+	else dir += 2;
+
+	switch(dir) {
+		case 0 : deplaceVertical = 1; break;
+		case 1 : deplaceHorizontal = 1; break;
+		case 2 : deplaceVertical = -1; break;
+		case 3 : deplaceHorizontal = -1; break;
+	}		
+	
+	dureeDeplacement = 120;
+}
+
+draw_text(16,48,"collision");
\ No newline at end of file
diff --git a/rooms/rTestSolaris/rTestSolaris.yy b/rooms/rTestSolaris/rTestSolaris.yy
index 2778b8f..7599765 100644
--- a/rooms/rTestSolaris/rTestSolaris.yy
+++ b/rooms/rTestSolaris/rTestSolaris.yy
@@ -16,6 +16,48 @@
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         {"properties":[],"isDnd":false,"objectId":{"name":"oMonsterMelee","path":"objects/oMonsterMelee/oMonsterMelee.yy",},"inheritCode":false,"hasCreationCode":false,"colour":4294967295,"rotation":0.0,"scaleX":1.0,"scaleY":1.0,"imageIndex":0,"imageSpeed":0.0,"inheritedItemId":null,"frozen":false,"ignore":false,"inheritItemSettings":false,"x":192.0,"y":96.0,"resourceVersion":"1.0","name":"inst_601A75EA","tags":[],"resourceType":"GMRInstance",},
+        {"properties":[],"isDnd":false,"objectId":{"name":"oWall","path":"objects/oWall/oWall.yy",},"inheritCode":false,"hasCreationCode":false,"colour":4294967295,"rotation":0.0,"scaleX":1.0,"scaleY":1.0,"imageIndex":0,"imageSpeed":1.0,"inheritedItemId":null,"frozen":false,"ignore":false,"inheritItemSettings":false,"x":192.0,"y":128.0,"resourceVersion":"1.0","name":"inst_288B17AE","tags":[],"resourceType":"GMRInstance",},
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+    {"name":"inst_31A247CC","path":"rooms/rTestSolaris/rTestSolaris.yy",},
+    {"name":"inst_2566A568","path":"rooms/rTestSolaris/rTestSolaris.yy",},
+    {"name":"inst_710B79A7","path":"rooms/rTestSolaris/rTestSolaris.yy",},
+    {"name":"inst_38B8F712","path":"rooms/rTestSolaris/rTestSolaris.yy",},
+    {"name":"inst_7AA63BF0","path":"rooms/rTestSolaris/rTestSolaris.yy",},
+    {"name":"inst_331106B8","path":"rooms/rTestSolaris/rTestSolaris.yy",},
+    {"name":"inst_419E0A1C","path":"rooms/rTestSolaris/rTestSolaris.yy",},
+    {"name":"inst_6F960153","path":"rooms/rTestSolaris/rTestSolaris.yy",},
+    {"name":"inst_8D9DB7C","path":"rooms/rTestSolaris/rTestSolaris.yy",},
+    {"name":"inst_6034DF61","path":"rooms/rTestSolaris/rTestSolaris.yy",},
+    {"name":"inst_36C9236E","path":"rooms/rTestSolaris/rTestSolaris.yy",},
+    {"name":"inst_34364A91","path":"rooms/rTestSolaris/rTestSolaris.yy",},
+    {"name":"inst_55600DBD","path":"rooms/rTestSolaris/rTestSolaris.yy",},
+    {"name":"inst_7F6D5DDB","path":"rooms/rTestSolaris/rTestSolaris.yy",},
+    {"name":"inst_33D5E60E","path":"rooms/rTestSolaris/rTestSolaris.yy",},
+    {"name":"inst_5E88425C","path":"rooms/rTestSolaris/rTestSolaris.yy",},
+    {"name":"inst_8870E4B","path":"rooms/rTestSolaris/rTestSolaris.yy",},
+    {"name":"inst_6A5418CC","path":"rooms/rTestSolaris/rTestSolaris.yy",},
+    {"name":"inst_46C97413","path":"rooms/rTestSolaris/rTestSolaris.yy",},
+    {"name":"inst_166BDF24","path":"rooms/rTestSolaris/rTestSolaris.yy",},
+    {"name":"inst_7B1350D3","path":"rooms/rTestSolaris/rTestSolaris.yy",},
+    {"name":"inst_4F7CD252","path":"rooms/rTestSolaris/rTestSolaris.yy",},
   ],
   "inheritCreationOrder": false,
   "sequenceId": null,
diff --git a/sprites/sWall/sWall.yy b/sprites/sWall/sWall.yy
index 8b580f9..a989b2e 100644
--- a/sprites/sWall/sWall.yy
+++ b/sprites/sWall/sWall.yy
@@ -2,7 +2,7 @@
   "bboxMode": 0,
   "collisionKind": 1,
   "type": 0,
-  "origin": 4,
+  "origin": 0,
   "preMultiplyAlpha": false,
   "edgeFiltering": false,
   "collisionTolerance": 0,
@@ -54,8 +54,8 @@
     "backdropHeight": 768,
     "backdropXOffset": 0.0,
     "backdropYOffset": 0.0,
-    "xorigin": 8,
-    "yorigin": 8,
+    "xorigin": 0,
+    "yorigin": 0,
     "eventToFunction": {},
     "eventStubScript": null,
     "parent": {"name":"sWall","path":"sprites/sWall/sWall.yy",},