diff --git a/rules/batiment/batimentquadmaison.cpp b/rules/batiment/batimentquadmaison.cpp
index ca1b1eb..41c0582 100644
--- a/rules/batiment/batimentquadmaison.cpp
+++ b/rules/batiment/batimentquadmaison.cpp
@@ -51,10 +51,10 @@ void BatimentQuadMaison::triangulation() {
 	Vertex toit = (neh + seh + nwh + swh) / 4 + Vertex(0,0,htoit);
 
 	// 4 Murs
-	addTriangle(new Triangle(lctr+neh,lctr+seh,lctr+ne,0xf1,0xe3,0xad)); addTriangle(new Triangle(lctr+seh,lctr+se,lctr+ne,0xf1,0xe3,0xad)); // ne-se-seh-neh
-	addTriangle(new Triangle(lctr+seh,lctr+swh,lctr+se,0xf1,0xe3,0xad)); addTriangle(new Triangle(lctr+swh,lctr+sw,lctr+se,0xf1,0xe3,0xad)); // se-sw-swh-seh
-	addTriangle(new Triangle(lctr+swh,lctr+nwh,lctr+sw,0xf1,0xe3,0xad)); addTriangle(new Triangle(lctr+nwh,lctr+nw,lctr+sw,0xf1,0xe3,0xad)); // sw-nw-nwh-swh
-	addTriangle(new Triangle(lctr+nwh,lctr+neh,lctr+nw,0xf1,0xe3,0xad)); addTriangle(new Triangle(lctr+neh,lctr+ne,lctr+nw,0xf1,0xe3,0xad)); // nw-ne-neh-nwh
+	addQuad(lctr+neh,lctr+seh,lctr+se,lctr+ne,0xf1,0xe3,0xad);
+	addQuad(lctr+seh,lctr+swh,lctr+sw,lctr+se,0xf1,0xe3,0xad);
+	addQuad(lctr+swh,lctr+nwh,lctr+nw,lctr+sw,0xf1,0xe3,0xad);
+	addQuad(lctr+nwh,lctr+neh,lctr+ne,lctr+nw,0xf1,0xe3,0xad);
 
 	// 1 Toit
 	addTriangle(new Triangle(lctr+neh,lctr+toit,lctr+seh,0x9a,0x48,0x3c));
diff --git a/rules/chose.cpp b/rules/chose.cpp
index be0f9f2..5d7e33a 100644
--- a/rules/chose.cpp
+++ b/rules/chose.cpp
@@ -21,6 +21,11 @@ void Chose::addTriangle(Triangle* t) {
 	// TODO : Ajouter t dans la liste des triangles à envoyer au GPU.
 }
 
+void Chose::addQuad(Vertex u, Vertex v, Vertex w, Vertex x, char r, char g, char b) {
+    this->addTriangle(new Triangle(u,x,w,r,g,b));
+    this->addTriangle(new Triangle(w,v,u,r,g,b));
+}
+
 void Chose::display() {
 	if (children.size() > 0) {
 		std::vector<Chose*>::iterator it;
diff --git a/rules/chose.hh b/rules/chose.hh
index 0a04268..c0e71a4 100644
--- a/rules/chose.hh
+++ b/rules/chose.hh
@@ -32,6 +32,7 @@ class Chose {
 	inline void addEntropy(Vertex v1, Vertex v2, Vertex v3, Vertex v4) { addEntropy(v1, v2); addEntropy(v3, v4); }
 	void addChild(Chose* c);
 	void addTriangle(Triangle* t);
+	void addQuad(Vertex u, Vertex v, Vertex w, Vertex x, char r, char g, char b);
 	virtual void triangulation() = 0;
 	virtual std::vector<Vertex*> getBoundingBoxPoints() const = 0;