diff --git a/geometry/vertex.cpp b/geometry/vertex.cpp
index f72b6c2..5ca7ce3 100644
--- a/geometry/vertex.cpp
+++ b/geometry/vertex.cpp
@@ -36,7 +36,7 @@ Vertex Vertex::setNorm(float n) const {
 
 float Vertex::cosAngle(Vertex v) const {
 	// http://www.developpez.net/forums/d202580/applications/developpement-2d-3d-jeux/contribuez/faq-mat-quat-ajout-calculs-vectoriels/
-	return ((this->x*v.x + this->y*v.y) / (norm()*v.norm()));
+	return ((this->x*v.x + this->y*v.y + this->z*v.z) / (norm()*v.norm()));
 }
 
 float Vertex::angle(Vertex v) const {
diff --git a/rules/batiment/batimentquadmaisonpont.cpp b/rules/batiment/batimentquadmaisonpont.cpp
index 8ecd286..2f3f05f 100644
--- a/rules/batiment/batimentquadmaisonpont.cpp
+++ b/rules/batiment/batimentquadmaisonpont.cpp
@@ -24,7 +24,7 @@ bool BatimentQuadMaisonPont::split() {
     addChild(new BatimentQuadBlock(qa,qa + Vertex(0,0,partHeight)));
     addChild(new BatimentQuadBlock(qb,qb + Vertex(0,0,partHeight)));
     addChild(new BatimentQuadBlock((qh + Vertex(0,0,partHeight)),qh + Vertex(0,0,2*partHeight)));
-    addChild(new BatimentQuadPont(qc,partHeight));
+    //addChild(new BatimentQuadPont(qc,partHeight));
     addChild(new BatimentQuadToit(qh + Vertex(0,0,2*partHeight),160));
 
 	return true;
diff --git a/rules/batiment/batimentquadmur.cpp b/rules/batiment/batimentquadmur.cpp
index 27decd0..12a44c7 100644
--- a/rules/batiment/batimentquadmur.cpp
+++ b/rules/batiment/batimentquadmur.cpp
@@ -13,18 +13,23 @@ void BatimentQuadMur::getBoundingBoxPoints() {
 
 void BatimentQuadMur::setWindow(bool val) {
     val = val;
-    /*this->window = val;
+    this->window = val;
     Quad q = Quad(ch[SE],c[SE],c[SW],ch[SW]);
-    int lr = (q.length(S) - 100)/40;
-    std::cout << q.inset(E,60).surface() << std::endl;
-    Quad wFront = q.insetNESW(40,100,lr,lr);
+    int lr = (q.length(S) - 100)/2;
+
+    Quad wFront = q.insetNESW(40,lr,110,lr);
     Quad wBack = wFront.offsetNormal(28);
     windowPos = Quad(wBack[SE],wFront[SE],wFront[SW],wBack[SW]);
     windowPosh = Quad(wBack[NE],wFront[NE],wFront[NW],wBack[NW]);
-*/
+
+    //addGPUQuad(wFront,0xFF,0xFF,0x00);
+    //addGPUQuad(wBack,0xFF,0xFF,0x00);
+    //addGPUQuad(windowPos,0x90,0x90,0xFF);
+    //addGPUQuad(windowPosh,0x90,0x90,0xFF);
+
     //std::cout << "lr" << lr << std::endl;
-    //std::cout << wFront[NE] << std::endl;
-    //std::cout << q[SE] << std::endl;
+    //std::cout << windowPos[NE] << std::endl;
+    //std::cout << windowPos[SE] << std::endl;
     //std::cout << q[SW] << std::endl;
     //std::cout << q[NW] << std::endl << std::endl;
 }
@@ -33,15 +38,16 @@ bool BatimentQuadMur::split() {
     if(!window)
         return false;
 
-    Quad left = c;
-    Quad right = c;
-    Quad top = c;
-    Quad bottom = c;
+    Quad left = Quad(windowPos[NW],windowPos[SW],c[SW],c[NW]);
+    Quad lefth = Quad(windowPosh[NW],windowPosh[SW],ch[SW],ch[NW]);
+    Quad right = Quad(c[NE],c[SE],windowPos[SE],windowPos[NE]);
+    Quad righth = Quad(ch[NE],ch[SE],windowPosh[SE],windowPosh[NE]);
 
-
-    /*addChild(new BatimentQuadMur(c,windowPos));
+    addChild(new BatimentQuadMur(c,windowPos));
     addChild(new BatimentQuadMur(windowPosh,ch));
-*/
+    addChild(new BatimentQuadMur(left,lefth));
+    addChild(new BatimentQuadMur(right,righth));
+
     return true;
 }
 
@@ -49,5 +55,6 @@ void BatimentQuadMur::triangulation() {
     if(!window)
         addGPUOcto(c, ch, 0xf1,0xe3,0xad);
     else
-        addGPUOcto(c, ch, 0xFF,0x10,0x00);
+        //addGPUOcto(c, ch, 0xFF,0x10,0x00);
+        addGPUQuad(windowPosh,0xFF,0xFF,0x00);
 }