Move Movement enum to :API

api/src/main/java/com/bartlomiejpluta/base/api/entity/Direction.java

@@ -1,5 +1,7 @@
 package com.bartlomiejpluta.base.api.entity;
 
+import com.bartlomiejpluta.base.api.geo.Vector;
+
 public enum Direction {
    UP(0, -1),
    DOWN(0, 1),
@@ -8,9 +10,11 @@ public enum Direction {
 
    public final int x;
    public final int y;
+   public final Vector vector;
 
    Direction(int x, int y) {
       this.x = x;
       this.y = y;
+      this.vector = Vector.of(x, y);
    }
 }

api/src/main/java/com/bartlomiejpluta/base/api/entity/Movement.java

@@ -0,0 +1,15 @@
+package com.bartlomiejpluta.base.api.entity;
+
+import com.bartlomiejpluta.base.api.geo.Vector;
+
+public interface Movement {
+   boolean perform();
+
+   Movement another();
+
+   Vector getFrom();
+
+   Vector getTo();
+
+   Direction getDirection();
+}

api/src/main/java/com/bartlomiejpluta/base/api/geo/Vector.java

@@ -0,0 +1,19 @@
+package com.bartlomiejpluta.base.api.geo;
+
+public class Vector {
+   public final int x;
+   public final int y;
+
+   public Vector(int x, int y) {
+      this.x = x;
+      this.y = y;
+   }
+
+   public Vector add(Vector other) {
+      return new Vector(x + other.x, y + other.y);
+   }
+
+   public static Vector of(int x, int y) {
+      return new Vector(x, y);
+   }
+}