diff --git a/rules/arche.cpp b/rules/arche.cpp
index 5010e46..9accaff 100644
--- a/rules/arche.cpp
+++ b/rules/arche.cpp
@@ -27,12 +27,22 @@ bool ArcheQuad::split() {
 }
 
 void ArcheQuad::triangulation() {
-	Quad ch = c.offsetNormal(height);
-	Quad che = c.offsetNormal(f(end) * height * 0.9f);
-	Quad chw = c.offsetNormal(f(start) * height * 0.9f);
-	addGPUQuad(Quad(ch[NW], chw[NW], che[NE], ch[NE]), Couleurs::mur);
-	addGPUQuad(Quad(ch[SE], che[SE], chw[SW], ch[SW]), Couleurs::mur);
-	addGPUQuad(Quad(che[SE], che[NE], chw[NW], chw[SW]), Couleurs::mur);
+	if (type == PLAT) {
+		Quad chh = c.offsetNormal(height);
+		Quad ch = c.offsetNormal(height * 0.9);
+		addGPUQuad(ch, Couleurs::mur);
+		addGPUQuad(Quad(chh[NW], ch[NW], ch[NE], chh[NE]), Couleurs::mur);
+		addGPUQuad(Quad(chh[SE], ch[SE], ch[SW], chh[SW]), Couleurs::mur);
+		addGPUQuad(Quad(ch[NW], c[NW], c[SW], ch[SW]), Couleurs::mur);
+		addGPUQuad(Quad(ch[SE], c[SE], c[NE], ch[NE]), Couleurs::mur);
+	} else {
+		Quad ch = c.offsetNormal(height);
+		Quad che = c.offsetNormal(f(end) * height * 0.9f);
+		Quad chw = c.offsetNormal(f(start) * height * 0.9f);
+		addGPUQuad(Quad(ch[NW], chw[NW], che[NE], ch[NE]), Couleurs::mur);
+		addGPUQuad(Quad(ch[SE], che[SE], chw[SW], ch[SW]), Couleurs::mur);
+		addGPUQuad(Quad(che[SE], che[NE], chw[NW], chw[SW]), Couleurs::mur);
+	}
 }
 
 void ArcheQuad::getBoundingBoxPoints() {
diff --git a/rules/etage.cpp b/rules/etage.cpp
index 198677d..3930a8a 100644
--- a/rules/etage.cpp
+++ b/rules/etage.cpp
@@ -13,7 +13,7 @@ void EtageQuad::getBoundingBoxPoints() {
 }
 
 bool EtageQuad::split() {
-	if (nbEtages > 1 && etage == 0 && ((w[N] && w[S]) || (w[E] && w[W])) && c.minLengthEW() > 800 && proba(seed, 0, 0.4)) {
+	if (nbEtages > 1 && etage == 0 && ((w[N] && w[S]) || (w[E] && w[W])) && c.minLengthEW() > 800 && proba(seed, 0, 0.8)) {
 		Quad q = c << ((w[N] && w[S]) ? 0 : 1);
 		Quad qh = ch << ((w[N] && w[S]) ? 0 : 1);
 		Vertex n = (q[NW] + q[NE]) / 2.f;
diff --git a/view.cpp b/view.cpp
index 587a576..058ed92 100644
--- a/view.cpp
+++ b/view.cpp
@@ -244,6 +244,18 @@ void Camera::mouseMotion(const SDL_MouseMotionEvent &event) {
 }
 
 void Camera::keyboard(const SDL_KeyboardEvent &eventKey) {
+	switch(eventKey.keysym.sym) {
+	case SDLK_UP:
+	case SDLK_DOWN:
+	case SDLK_LEFT:
+	case SDLK_RIGHT:
+	case SDLK_PAGEUP:
+	case SDLK_PAGEDOWN:
+		if (moveSensitivity == 0) moveSensitivity = 300;
+		break;
+	default:
+		break;
+	}
 	switch(eventKey.keysym.sym) {
 	case SDLK_UP:
 		up = (eventKey.type == SDL_KEYDOWN);
@@ -284,6 +296,7 @@ void Camera::keyboard(const SDL_KeyboardEvent &eventKey) {
 				exit(0);
 				break;
             case 'a' :
+            	if (moveSensitivity == 0) moveSensitivity = 300;
                 up = true;
                 break;
             case 'z' :