package core;

import controller.Controller;

public class Motion {

    private Vector2D vector;
    private double speed;

    public Motion(double speed) {
        this.vector = new Vector2D(0, 0);
        this.speed = speed;
    }

    public void update(Controller controller, Direction direction) {
        movement(controller, direction);
        vector.normalize();
        vector.multiply(speed);
    }

    private void movement(Controller controller, Direction direction) {
        int deltaX = 0, deltaY = 0;

        if(controller.isRequestingUp()) {deltaY--; deltaX = 0;}
        if(controller.isRequestingDown()) {deltaY++; deltaX = 0;}
        if(controller.isRequestingLeft()) {deltaX--; deltaY = 0;}
        if(controller.isRequestingRight()) {deltaX++; deltaY = 0;}
        //For Overriding moves
        if(controller.getRequestedDirection() == Direction.N) {deltaY--; deltaX = 0;}
        if(controller.getRequestedDirection() == Direction.S) {deltaY++; deltaX = 0;}
        if(controller.getRequestedDirection() == Direction.W) {deltaX--; deltaY = 0;}
        if(controller.getRequestedDirection() == Direction.E) {deltaX++; deltaY = 0;}

        vector = new Vector2D(deltaX, deltaY);
    }

    public Vector2D getVector() {
        return vector;
    }

    public boolean isMoving() {
        return vector.length() > 0;
    }
}