Fix up issues with code

Signed-off-by: solonovamax <solonovamax@12oclockpoint.com>

src/main/java/com/dfsek/terra/procgen/math/Vector2.java

@@ -3,6 +3,7 @@ package com.dfsek.terra.procgen.math;
 /**
  * oh yeah
  */
+@SuppressWarnings("unused")
 public class Vector2 implements Cloneable {
     private double x;
     private double z;
@@ -58,36 +59,6 @@ public class Vector2 implements Cloneable {
         return this;
     }
 
-    /**
-     * Divide X and Z components by a value.
-     *
-     * @param d Divisor
-     * @return Mutated vector, for chaining.
-     */
-    public Vector2 divide(double d) {
-        x /= d;
-        z /= d;
-        return this;
-    }
-
-    /**
-     * Get the squared length of this Vector
-     *
-     * @return squared length
-     */
-    public double lengthSquared() {
-        return x * x + z * z;
-    }
-
-    /**
-     * Get the length of this Vector
-     *
-     * @return length
-     */
-    public double length() {
-        return Math.sqrt(lengthSquared());
-    }
-
     /**
      * Add this vector to another.
      *
@@ -122,6 +93,36 @@ public class Vector2 implements Cloneable {
         return this;
     }
 
+    /**
+     * Divide X and Z components by a value.
+     *
+     * @param d Divisor
+     * @return Mutated vector, for chaining.
+     */
+    public Vector2 divide(double d) {
+        x /= d;
+        z /= d;
+        return this;
+    }
+
+    /**
+     * Get the length of this Vector
+     *
+     * @return length
+     */
+    public double length() {
+        return Math.sqrt(lengthSquared());
+    }
+
+    /**
+     * Get the squared length of this Vector
+     *
+     * @return squared length
+     */
+    public double lengthSquared() {
+        return x * x + z * z;
+    }
+
     /**
      * Get the distance from this vector to another.
      *
@@ -162,8 +163,12 @@ public class Vector2 implements Cloneable {
     }
 
     @Override
-    public String toString() {
-        return "(" + x + ", " + z + ")";
+    public boolean equals(Object obj) {
+        if (!(obj instanceof Vector2)) {
+            return false;
+        }
+        Vector2 other = (Vector2) obj;
+        return other.x == this.x && other.z == this.z;
     }
 
     @Override
@@ -174,4 +179,9 @@ public class Vector2 implements Cloneable {
             throw new Error(e);
         }
     }
+
+    @Override
+    public String toString() {
+        return "(" + x + ", " + z + ")";
+    }
 }

src/main/java/com/dfsek/terra/procgen/pixel/Polygon.java

@@ -4,6 +4,7 @@ import com.dfsek.terra.procgen.math.Vector2;
 
 import java.util.Set;
 
+@SuppressWarnings("unused")
 public abstract class Polygon {
     public abstract Set<Vector2> getContainedPixels();
 }

src/main/java/com/dfsek/terra/procgen/pixel/Rectangle.java

@@ -5,6 +5,7 @@ import com.dfsek.terra.procgen.math.Vector2;
 import java.util.HashSet;
 import java.util.Set;
 
+@SuppressWarnings("unused")
 public class Rectangle extends Polygon {
     private final Vector2 min;
     private final Vector2 max;

src/main/java/com/dfsek/terra/procgen/voxel/VoxelGeometry.java

@@ -6,7 +6,7 @@ import java.util.ArrayList;
 import java.util.List;
 
 public abstract class VoxelGeometry {
-    public List<Vector> geometry = new ArrayList<>();
+    private final List<Vector> geometry = new ArrayList<>();
 
     public static VoxelGeometry getBlank() {
         return new VoxelGeometry() {