/**
* This method deletes a worm from the list of objects.
*
* @param world The world from where the worm needs to be deleted.
* @post The worm will be deleted from the current world. | new.objects.contains(this) == false;
*/
@Raw
public void deleteWorm(World world) {
int index = world.getCurrentWormIndex() + 1;
int size = world.getWorms().size();
if (index == size) this.getWorld().setCurrentWormIndex(0);
if (this.getIsAlive() == false) world.deleteWorm(this);
}
/**
* Changes the positions of the projectile as a result of a jump from the current position.
*
* @post If the projectile hits a worm this worm loses some hit points and the projectile is
* removed from the world and set non active. | if ((Math.sqrt(Math.pow(w.getXpos()-tempXpos,
* 2)+Math.pow(w.getYpos()-tempYpos, 2))< maxDistance)) | while (this.getActive == true) |
* then (new.setHitPoints(worm.getHitPoints-this.getDamage()) | then (world.getProjectile() ==
* null) | then (new.getActive == false))
* @post If the projectile doesn't hit a worm, the projectile will be deleted when it leaves the
* map or when it hits impassable terrain. | if !((Math.sqrt(Math.pow(w.getXpos()-tempXpos,
* 2)+Math.pow(w.getYpos()-tempYpos, 2))< maxDistance)) | then ( if
* ((isOutOfTheMap(tempXpos,tempYpos))) | then ((world.getProjectile() == null) | then
* (new.getActive == false)) | (else if (world.isImpassable(tempXpos, tempYpos,
* this.getRadius()))) | then ((world.getProjectile() == null) | then (new.getActive ==
* false)))
* @throws IllegalStateException If the projectile can't jump the exception is thrown. |!
* canJump()
*/
@Raw
public void jump(Double timeStep) throws IllegalStateException {
if (this.canJump()) {
World world = this.getWorld();
double tempXpos = this.getXpos();
double tempYpos = this.getYpos();
double t = 0;
while ((world.isPassable(tempXpos, tempYpos, this.getRadius()))) {
tempXpos = this.jumpStep(t)[0];
tempYpos = this.jumpStep(t)[1];
Collection<Worm> collection = (world.getWorms());
for (Worm w : collection) {
Worm overlappingWorm = null;
double maxDistance = this.getRadius() + w.getRadius();
if (!(w == world.getCurrentWorm())
&& (Math.sqrt(
Math.pow(w.getXpos() - tempXpos, 2) + Math.pow(w.getYpos() - tempYpos, 2))
< maxDistance)) {
overlappingWorm = w;
while ((this.getActive() == true)) {
overlappingWorm.setHitPoints(overlappingWorm.getHitPoints() - this.getDamage());
this.deleteProjectile(world);
this.setActive(false);
}
} else {
overlappingWorm = null;
if ((isOutOfTheMap(tempXpos, tempYpos))) {
this.deleteProjectile(world);
this.setActive(false);
} else if (((world.isImpassable(tempXpos, tempYpos, this.getRadius())))
&& (this.getActive() == true)) {
this.deleteProjectile(world);
this.setActive(false);
}
}
}
t += timeStep;
}
} else {
throw new IllegalStateException();
}
}