package MovementStrategy;

public class MoveToCenter extends AbstractStrategy{
    @Override
    protected boolean IsTargetDestinaion() {
        ObjectParameters objParams = GetObjectParameters();
        if (objParams == null) {
            return false;
        }
        return objParams.ObjectMiddleHorizontal - GetStep() <= FieldWidth / 2  - GetStep()  &&
                objParams.ObjectMiddleHorizontal + GetStep() >= FieldWidth / 2  - GetStep() &&
                objParams.ObjectMiddleVertical - GetStep() <= FieldHeight / 2 - GetStep()  &&
                objParams.ObjectMiddleVertical + GetStep() >= FieldHeight / 2 - GetStep() ;
    }
    @Override
    protected void MoveToTarget() {
        ObjectParameters objParams = GetObjectParameters();
        if (objParams == null) {
            return;
        }
        int diffX = objParams.ObjectMiddleHorizontal - FieldWidth / 2;
        if (Math.abs(diffX) > GetStep()) {
            if (diffX > 0) {
                MoveLeft();
            } else {
                MoveRight();
            }
        }
        int diffY = objParams.ObjectMiddleVertical - FieldHeight / 2;
        if (Math.abs(diffY) > GetStep()) {
            if (diffY > 0) {
                MoveUp();
            } else {
                MoveDown();
            }
        }
    }
}