Create some useful geometric methods

engine/src/main/java/com/bartlomiejpluta/base/engine/world/entity/model/DefaultEntity.java

@@ -9,8 +9,8 @@ import com.bartlomiejpluta.base.engine.world.entity.config.EntitySpriteConfigura
 import com.bartlomiejpluta.base.engine.world.movement.MovableSprite;
 import lombok.EqualsAndHashCode;
 import lombok.Getter;
-import lombok.Setter;
 import org.joml.Vector2f;
+import org.joml.Vector2i;
 
 import java.util.Map;
 
@@ -21,7 +21,6 @@ public class DefaultEntity extends MovableSprite implements Entity {
 
    private int animationSpeed = 100;
 
-   @Setter
    @Getter
    private Direction faceDirection;
 
@@ -63,6 +62,12 @@ public class DefaultEntity extends MovableSprite implements Entity {
       return false;
    }
 
+   @Override
+   public void setFaceDirection(Direction direction) {
+      this.faceDirection = direction;
+      setDefaultAnimationFrame();
+   }
+
    @Override
    public void setSpeed(float speed) {
       framesToCrossOneTile = (int) (1 / MathUtil.clamp(speed, Float.MIN_VALUE, 1.0));
@@ -73,6 +78,21 @@ public class DefaultEntity extends MovableSprite implements Entity {
       animationSpeed = (int) (1 / MathUtil.clamp(speed, Float.MIN_VALUE, 1.0));
    }
 
+   @Override
+   public int chebyshevDistance(Entity other) {
+      return chebyshevDistance(other.getCoordinates());
+   }
+
+   @Override
+   public int manhattanDistance(Entity other) {
+      return manhattanDistance(other.getCoordinates());
+   }
+
+   @Override
+   public Direction getDirectionTowards(Entity target) {
+      return Direction.ofVector(new Vector2i(target.getCoordinates()).sub(getCoordinates()));
+   }
+
    public DefaultEntity(Mesh mesh, Material material, EntitySpriteConfiguration configuration) {
       super(mesh, material);
       this.defaultSpriteColumn = configuration.getDefaultSpriteColumn();

engine/src/main/java/com/bartlomiejpluta/base/engine/world/movement/MovableSprite.java

@@ -11,6 +11,9 @@ import lombok.Getter;
 import org.joml.Vector2f;
 import org.joml.Vector2i;
 
+import static java.lang.Math.abs;
+import static java.lang.Math.max;
+
 @EqualsAndHashCode(callSuper = true)
 public abstract class MovableSprite extends AnimatedSprite implements Updatable {
    private final Vector2f coordinateStepSize = new Vector2f(0, 0);
@@ -80,6 +83,14 @@ public abstract class MovableSprite extends AnimatedSprite implements Updatable
       setCoordinates(coordinates);
    }
 
+   public int chebyshevDistance(Vector2i coordinates) {
+      return max(abs(this.coordinates.x - coordinates.x), abs(this.coordinates.y - coordinates.y));
+   }
+
+   public int manhattanDistance(Vector2i coordinates) {
+      return abs(this.coordinates.x - coordinates.x) + abs(this.coordinates.y - coordinates.y);
+   }
+
    public MovableSprite(Mesh mesh, Material material) {
       super(mesh, material);
       setCoordinates(0, 0);

engine/src/main/java/com/bartlomiejpluta/base/engine/world/object/Model.java

@@ -69,6 +69,11 @@ public abstract class Model implements Placeable {
       this.scaleY = scaleY;
    }
 
+   @Override
+   public float euclideanDistance(Placeable other) {
+      return other.getPosition().distance(position);
+   }
+
    @Override
    public Matrix4f getModelMatrix() {
       return modelMatrix