diff --git a/rules/architecture/couleursDimensions.hh b/rules/architecture/couleursDimensions.hh
index 433ff40..06e7c56 100644
--- a/rules/architecture/couleursDimensions.hh
+++ b/rules/architecture/couleursDimensions.hh
@@ -35,7 +35,7 @@ public:
 	static const unsigned int largeurRoute = 200;
 	static const unsigned int largeurTrottoir = 140;
 	static const unsigned int hauteurEtage = 300;
-	static const unsigned int hauteurToit = 200 * 10;
+	static const unsigned int hauteurToit = 200;
 	static const unsigned int hauteurTrottoir = 20;
 	static const unsigned int hauteurMaxBatiment = hauteurTrottoir + hauteurEtage + hauteurToit;
 };
diff --git a/rules/architecture/toit.cpp b/rules/architecture/toit.cpp
index 597251d..a18c119 100644
--- a/rules/architecture/toit.cpp
+++ b/rules/architecture/toit.cpp
@@ -15,7 +15,7 @@ void ToitQuad::triangulation() {
 	switch (hash2(seed, -1) % 4) {
 	case 0: pointCentral(); break;
 	// TODO : deuxPoints() et deuxPointsVerticaux() ne génèrent pas des quad où les 4 points sont sur le même plan.
-	case 1: deuxPointsVerticaux(); break;
+	case 1: deuxPoints(); break;
 	case 2: deuxPointsVerticaux(); break;
 	case 3:
 	default: plat(); break;
@@ -33,8 +33,16 @@ void ToitQuad::deuxPoints() {
 	// Orienter c dans le sens de la longueur d'est en ouest.
 	Quad q = c >> ((c.maxLengthNS() > c.maxLengthEW()) ? 1 : 0);
 	Quad qh = q.offsetNormal(height);
-	Vertex w = Segment(qh[NW], qh[SW]).randomPos(seed, 0, 1.f/3.f, 2.f/3.f);
-	Vertex e = Segment(qh[NE], qh[SE]).randomPos(seed, 1, 1.f/3.f, 2.f/3.f);
+
+	float coef = height / Segment(q[NW],q[SW]).length();
+    float eLength = Segment(q[NE],q[SE]).length();
+    qh[NE] = q[NE] + Vertex(qh[NE]-q[NE]).setNorm(coef*eLength);
+    qh[SE] = q[SE] + Vertex(qh[SE]-q[SE]).setNorm(coef*eLength);
+
+	//Vertex w = Segment(qh[NW], qh[SW]).randomPos(seed, 0, 1.f/3.f, 2.f/3.f);
+	//Vertex e = Segment(qh[NE], qh[SE]).randomPos(seed, 1, 1.f/3.f, 2.f/3.f);
+	Vertex w = qh[SW] + Vertex(qh[NW] - qh[SW])/2;
+	Vertex e = qh[SE] + Vertex(qh[NE] - qh[SE])/2;
 	Vertex centerE = Segment(e,w).randomPos(seed, 2, 0.6f, 0.8f);
 	Vertex centerW = Segment(e,w).randomPos(seed, 2, 0.2f, 0.4f);
 	addGPUTriangle(q[SE], centerE, q[NE], Couleurs::toit);
diff --git a/view.cpp b/view.cpp
index c3e197c..7b7cad8 100644
--- a/view.cpp
+++ b/view.cpp
@@ -147,7 +147,7 @@ void View::renderScene(int lastTime, int currentTime) {
 	lod.setCamera(camera.cameraCenter);
 
 	setLight();
-	//setSkybox();
+	setSkybox();
 
 	glBegin(GL_TRIANGLES);
 	root->display();