/**
* Initialize this new projectile in a given world, at given position, with given propulsion, in
* given direction, with given radius and with which weapon it is fired.
*
* @param position the position of the projectile
* @param world the world the projectile is in
* @param Propulsion the propulsion with what the projectile is launched
* @param Direction the direction of the projectile
* @param radius the radius of the projectile
* @param weapon the weapon from which the projectile is fired
* @post The yield of this new projectile equals the given propulsion | new.getYield() ==
* propulsion
* @effect The weapon with which this new projectile will be fired equals the given weapon |
* setWeapon(weapon)
* @effect This new projectile is initialized as a moving object with given radius, given
* direction, in given world and at the given position. | super(radius, position, world,
* weapon.getMass(),Direction)
*/
public Projectile(
Position position,
World world,
int Propulsion,
double Direction,
double radius,
Weapon weapon)
throws IllegalArgumentException, IllegalPositionException, IllegalWorldException {
super(radius, position, world, weapon.getMass(), Direction);
if (!isValidYield(Propulsion)) throw new IllegalArgumentException("not a valid yield");
this.setWeapon(weapon);
this.yield = Propulsion;
}
/** This method makes the worm select the next weapon. */
@Raw
public void selectNextWeapon() {
weapon.changeWeapon();
}
/** This method returns the name of the selected weapon. */
@Raw
public String getSelectedWeapon() {
return weapon.getName();
}
/** This method returns the mass of the projectile of the selected weapon. */
@Raw
public int getMassProjectile() {
return weapon.getMass();
}
/**
* checks whether a weapon is a valid for this projectile.
*
* @param weapon the weapon to be checked
* @return true if and only if the weapon is not null and the weapon is not terminated |result ==
* | (weapon != null && (!weapon.isTerminated()))
*/
@Raw
public static boolean isValidWeapon(Weapon weapon) {
return ((weapon != null) && (!weapon.isTerminated()));
}