Merge remote-tracking branch 'origin/master'

Author: aviscode

src/elements/SpotLight.java

@@ -3,10 +3,21 @@
 import primitives.Color;
 import primitives.Point3D;
 import primitives.Vector;
-
+/**
+ * The type Spot light.
+ */
 public class SpotLight extends PointLight {
     private Vector _direction;
-
+    /**
+     * Instantiates a new Spot light.
+     *
+     * @param direction   the directio
+     * @param intensity   the intensit
+     * @param kC          the kC
+     * @param kL          the kL
+     * @param kQ          the  kQ
+     * @param position    the  position
+     */
     public SpotLight(Color intensity, Point3D position, Vector direction, double kC, double kL, double kQ) {
         super(intensity, position, kC, kL, kQ);
         _direction = new Vector(direction).normalized();

src/primitives/Material.java

@@ -1,25 +1,41 @@
 package primitives;
 
+/**
+ * Examines the factors of light reflected from the geometries.
+ */
 public class Material {
     double _kD;
     double _kS;
     int _nShininess;
 
-
+    /**
+     * @param _kD          the  _kD
+     * @param _kS          the  _kS
+     * @param _nShininess  the  _nShininess
+     */
     public Material(double _kD, double _kS, int _nShininess) {
         this._kD = _kD;
         this._kS = _kS;
         this._nShininess = _nShininess;
     }
 
+    /**
+     * getters Material
+     *
+     * @return the _kD
+     */
     public double getKd() {
         return _kD;
     }
-
+    /**
+     * @return the _kS
+     */
     public double getKs() {
         return _kS;
     }
-
+    /**
+     * @return the _nShininess
+     */
     public int getnShininess() {
         return _nShininess;
     }