diff --git a/Fragment.java b/Fragment.java
index da3b0b2..9173870 100644
--- a/Fragment.java
+++ b/Fragment.java
@@ -5,6 +5,7 @@ import algebra.*;
 /**
  * The Fragment class represents an attributed 'pixel' as generated
  * by a Rasterizer.
+ * 
  * @author cdehais
  */
 
@@ -13,66 +14,69 @@ public class Fragment {
     private int y;
     private int numAttributes;
 
-    /* attributes placement:
-     * 0: depth  
+    /*
+     * attributes placement:
+     * 0: depth
      * 1-3: color
      * 4-6: normal
      * 7-8: (u,v) texture coordinates
      */
     double[] attributes;
 
-    public Fragment (int x, int y) { // int numAdditionalAttributes) {
+    public Fragment(int x, int y) { // int numAdditionalAttributes) {
         this.x = x;
         this.y = y;
         numAttributes = 9;
         attributes = new double[numAttributes];
     }
 
-    public int getNumAttributes () {
+    public int getNumAttributes() {
         return numAttributes;
     }
 
     /**
      * Gets a scalar attribute at index.
      */
-    public double getAttribute (int index) {
+    public double getAttribute(int index) {
         return attributes[index];
     }
 
     /**
-     * Gets a vector attribute at the given starting location and with the given dimension.
+     * Gets a vector attribute at the given starting location and with the given
+     * dimension.
      */
-    public double[] getAttribute (int index, int dimension) {
+    public double[] getAttribute(int index, int dimension) {
         double[] attr = new double[dimension];
 
         for (int i = 0; i < dimension; i++) {
-            attr[i] = attributes[index+i];
+            attr[i] = attributes[index + i];
         }
 
         return attr;
     }
-    
-    public void setAttribute (int index, double value) {
+
+    public void setAttribute(int index, double value) {
         attributes[index] = value;
     }
 
     /**
      * Gets the x pixel coordinate of the Fragment
      */
-    public int getX () {
+    public int getX() {
         return x;
     }
+
     /**
      * Gets the y pixel coordinate of the Fragment
      */
-    public int getY () {
+    public int getY() {
         return y;
     }
 
     /**
-     * Gets the pixel coordinates (x, y) of the Fragment as a size 2 array 
+     * Gets the pixel coordinates (x, y) of the Fragment as a size 2 array
      */
-    public int[] getPosition () {
+    public int[] getPosition() {
         int[] position = new int[2];
 
         position[0] = x;
@@ -81,56 +85,55 @@ public class Fragment {
         return position;
     }
 
-    public void setPosition (int x, int y) {
+    public void setPosition(int x, int y) {
         this.x = x;
         this.y = y;
     }
-    
-    public double getDepth () {
+
+    public double getDepth() {
         return attributes[0];
     }
 
-    public void setDepth (double z) {
+    public void setDepth(double z) {
         attributes[0] = z;
     }
 
-    public Vector3 getNormal () {
-        return new Vector3 (attributes[0], attributes[1], attributes[2]);
+    public Vector3 getNormal() {
+        return new Vector3(attributes[4], attributes[5], attributes[6]);
     }
 
-    public void setNormal (Vector normal) {
-        attributes[4] = normal.get (0);
-        attributes[5] = normal.get (1);
-        attributes[6] = normal.get (2);
+    public void setNormal(Vector normal) {
+        attributes[4] = normal.get(0);
+        attributes[5] = normal.get(1);
+        attributes[6] = normal.get(2);
     }
 
-    public void setNormal (double nx, double ny, double nz) {
+    public void setNormal(double nx, double ny, double nz) {
         attributes[4] = nx;
         attributes[5] = ny;
         attributes[6] = nz;
     }
 
-    public Color getColor () {
-        int r = (int) Math.min (255, Math.max (255 * attributes[1], 0));
-        int g = (int) Math.min (255, Math.max (255 * attributes[2], 0));
-        int b = (int) Math.min (255, Math.max (255 * attributes[3], 0));
-        return new Color (r, g, b);
+    public Color getColor() {
+        int r = (int) Math.min(255, Math.max(255 * attributes[1], 0));
+        int g = (int) Math.min(255, Math.max(255 * attributes[2], 0));
+        int b = (int) Math.min(255, Math.max(255 * attributes[3], 0));
+        return new Color(r, g, b);
     }
 
-    public void setColor (Color color) {
-        attributes[1] = color.getRed ();
-        attributes[2] = color.getGreen ();
-        attributes[3] = color.getBlue ();
+    public void setColor(Color color) {
+        attributes[1] = color.getRed();
+        attributes[2] = color.getGreen();
+        attributes[3] = color.getBlue();
     }
 
-    public void setColor (double r, double g, double b) {
+    public void setColor(double r, double g, double b) {
         attributes[1] = r;
         attributes[2] = g;
         attributes[3] = b;
     }
 
-
-    public String toString () {
+    public String toString() {
         return "(" + x + "," + y + ")";
     }
 }