diff --git a/src/shaders/basicShader.frag b/src/shaders/basicShader.frag
index 1a47f79..f4c656c 100644
--- a/src/shaders/basicShader.frag
+++ b/src/shaders/basicShader.frag
@@ -26,16 +26,16 @@ vec4 calcDirLight(vec4 tex, vec3 fPos, vec3 fNorm) {
 	vec3 nviewDirection = normalize(fPos);
 
 	// Compute diffuse component
-	float diff = 0.4*max(0.0, dot(nfNormal, -LightDirection));
+	float diff = 0.2*max(0.0, dot(nfNormal, -LightDirection));
 
 	// Compute specular component
-	vec3 Rl = reflect(-LightDirection, fNorm);
-	float spec = pow(max(0.0, dot(normalMatrix * Rl, nviewDirection)), 64);
+	vec3 Rl = reflect(LightDirection, fNorm);
+	float spec = 0.2*pow(max(0.0, dot(normalMatrix * Rl, nviewDirection)), 64);
 
     // Compute ambient component
 	float amb = 0.2;
 
-	float mult = max(0.0, LightDirection.y);
+	float mult = max(0.0, -LightDirection.y+1.5);
 
     //return vec4(0);
 	return vec4(tex.xyz * (diff + amb + spec) * mult, tex.w);
@@ -89,10 +89,10 @@ main()
 			vec3 nfNormal = normalize(fNormal);
 			vec3 nviewDirection = normalize(fPosition);
 
-                        fColor = calcDirLight(texColor, fPosition, fNormal)
-                        + calcPointLight(texColor, fPosition, fNormal, 0)/4
-                        + calcPointLight(texColor, fPosition, fNormal, 1)/4
-                        + calcPointLight(texColor, fPosition, fNormal, 2)/4;
+			fColor = calcDirLight(texColor, fPosition, fNormal)
+			+ calcPointLight(texColor, fPosition, fNormal, 0)/4
+			+ calcPointLight(texColor, fPosition, fNormal, 1)/4
+			+ calcPointLight(texColor, fPosition, fNormal, 2)/4;
 		} else {
 			fColor = texColor + ifColor;
 		}
diff --git a/src/viewer/simpleViewer.cpp b/src/viewer/simpleViewer.cpp
index 1313213..cb9f765 100644
--- a/src/viewer/simpleViewer.cpp
+++ b/src/viewer/simpleViewer.cpp
@@ -166,12 +166,9 @@ void Viewer::draw()
 
 	modelStack.push(modelViewMatrix);
 	root.accept(*this);
-	frame += 1;
 
 	sunRotate.setToIdentity();
 	//float rotAngle = (frame * angle_mult) % 360;
-
-	update();
 }
 
 void Viewer::mouseMoveEvent(QMouseEvent* e) {
@@ -230,12 +227,6 @@ void Viewer::init()
 	identityMatrix.setToIdentity();
 	SkyboxCamera *_cam = new SkyboxCamera();
 	setCamera(_cam);
-	//camera()->setType(qglviewer::Camera::PERSPECTIVE);
-	//setMouseBinding(Qt::NoModifier, Qt::LeftButton, CAMERA, SCREEN_ROTATE);
-	//setMouseBinding(Qt::AltModifier, Qt::LeftButton, CAMERA, NO_MOUSE_ACTION);
-	//setMouseBinding(Qt::NoModifier, Qt::MouseButton(Qt::LeftButton + Qt::MidButton), CAMERA, NO_MOUSE_ACTION);
-	//setMouseBinding(Qt::ControlModifier, Qt::MouseButton(Qt::LeftButton + Qt::MidButton), CAMERA, NO_MOUSE_ACTION);
-	//setMouseBinding(Qt::ShiftModifier, Qt::MouseButton(Qt::LeftButton + Qt::MidButton), CAMERA, NO_MOUSE_ACTION);
 
 	// Our scene will be from -5 to 5 in X and Y (the grid will be 10x10).
 	setSceneRadius(5);
@@ -290,7 +281,7 @@ void Viewer::init()
 				Shape* cube = new Cube();
 				SceneGroup *sc = new SceneGroup();
 				cube->setColor(*c1);
-				cube->setType(1);
+				cube->setType(TEX_GRASS);
 				sc->addChild(cube);
 				sc->transform.translate(-5+i, 0, -5+j);
 				root.addChild(sc);
@@ -298,6 +289,8 @@ void Viewer::init()
 		}
 
 	}
+	startTime = clock();
+	startAnimation();
 }
 
 void Viewer::resetSphereColors(){
@@ -796,6 +789,18 @@ void Viewer::changeColor(QColor c){
 	this->update();
 }
 
+void Viewer::animate(){
+	clock_t time = clock();
+	double dt = time - startTime;
+	frame += dt * 0.006 * frame_mult; // 60fps
+	startTime = time;
+	update();
+}
+
+void Viewer::startAniumation(){}
+
+void Viewer::stopAnimation(){}
+
 PickedGeom Viewer::pickGeom(int x, int y){
 
 	makeCurrent();
diff --git a/src/viewer/simpleViewer.h b/src/viewer/simpleViewer.h
index 356d3b6..c9326ee 100644
--- a/src/viewer/simpleViewer.h
+++ b/src/viewer/simpleViewer.h
@@ -86,6 +86,10 @@ private:
 	void deselect();
     PickedGeom pickGeom(int, int);
 
+	void animate();
+	void startAniumation();
+	void stopAnimation();
+
 	// shader switching variables and constants;
     QOpenGLShaderProgram *colorPickerShaderProgram;
     QOpenGLShaderProgram *textureRenderShaderprogram;
@@ -124,6 +128,9 @@ private:
 	bool isPickingActivated = false;
 
 	float angle_mult;
+	float frame_mult = 1;
+
+	clockid_t startTime;
 
     QOpenGLTexture *s_texture;
 
@@ -174,7 +181,7 @@ private:
 	QMatrix4x4 identityMatrix;
 
 	QQuaternion rot;
-	unsigned int frame;
+	double  frame;
 };
 
 #endif // SIMPLEVIEWER_H