Java Projectile.setVelocity方法代碼示例

import org.bukkit.entity.Projectile; //導入方法依賴的package包/類
/**
 * A basic shoot method, it _can_ be overridden but take care.
 * Handles passing the bullet to its BulletType for configuration, sets shooter, velocity, etc.
 * 
 * @param begin The location to shoot from
 * @param bulletType the Bullet type of this bullet
 * @param shooter the entity shooting
 * @param velocity the velocity to use as base for this shooting, if any
 * @param overrideVelocity if true, use the passed velocity and override anything set up by the bullet type.
 * @return the new Projectile that has been unleashed.
 */
public Projectile shoot(Location begin, Bullet bulletType, ProjectileSource shooter, Vector velocity, boolean overrideVelocity) {
	World world = begin.getWorld();
	begin = begin.clone();
	begin.setDirection(velocity);
	Projectile newBullet = world.spawn(begin, bulletType.getProjectileType() );
			
	newBullet.setCustomName(this.bulletTag);
	newBullet.setBounce(false);
	newBullet.setGravity(true);
	newBullet.setShooter(shooter);
	
	bulletType.configureBullet(newBullet, world, shooter, velocity);
	
	if (overrideVelocity) {
		newBullet.setVelocity(velocity);
	}

	return newBullet;
}
 

import org.bukkit.entity.Projectile; //導入方法依賴的package包/類
@Override
public void notify(Player player, Object extra) {
    Location eye = player.getEyeLocation();
    Vector direction = eye.getDirection().multiply(2);
    Block source = (Block) extra;
    Projectile projectile = player.getWorld().spawn(source.getRelative(BlockFace.UP).getLocation().setDirection(direction), LargeFireball.class);
    projectile.setShooter(player);
    projectile.setVelocity(direction);
    
    Inventory inv = player.getInventory();
    if (inv.contains(Material.TNT)) {
        int slot = inv.first(Material.TNT);
        ItemStack ammo = inv.getItem(slot);
        int amount = ammo.getAmount();
        if (amount > 1) {
            ammo.setAmount(amount - 1);
            inv.setItem(slot, ammo);
        } else {
            inv.setItem(slot, null);
        }
        
        projectile.setCustomName("recreator.structure.turret.tnt");
    }
    
    AzureAPI.playSound(player, Sound.ITEM_FIRECHARGE_USE, true);
}
 

import org.bukkit.entity.Projectile; //導入方法依賴的package包/類
public void shoot(final Player p) {

		// First create a vector
		Vector v = new Vector(getVelocity(), getVelocity(), getVelocity());
		Vector pVec = p.getLocation().getDirection();
		Vector finalVec = new Vector(v.getX() * pVec.getX(), v.getY() * pVec.getY(), v.getZ() * pVec.getZ());

		Location eye = p.getEyeLocation();
		Location oneUp = eye.add(0.0D, 1.0D, 0.0D);
		Location loc = oneUp.toVector().add(p.getLocation().getDirection().multiply(2))
				.toLocation(p.getWorld(), p.getLocation().getYaw(), p.getLocation().getPitch());

		// then launch the projectile
		Projectile proj = (Projectile) p.getWorld().spawnEntity(loc, EntityType.FIREBALL);
		// launchProjectile(this.projectileClass, finalVec);
		// finally, set the shooter
		proj.setVelocity(finalVec);

		/*if (!(proj instanceof Egg) || !(proj instanceof Snowball)) {
			proj.setShooter((ProjectileSource) p);
		}*/
		proj.setShooter(p);

		// play sounds
		p.getWorld().playSound(p.getLocation(), Sound.ENTITY_ARROW_SHOOT, 2.0F, 1.0F);
	}
 

import org.bukkit.entity.Projectile; //導入方法依賴的package包/類
public void fireOnTarget(){
	lastFired = System.currentTimeMillis();
	Vector target = toTarget();
	Vector target2 = target.clone().multiply(5);
	//System.out.println("addition: " + target2);
	//System.out.println("SOUND");
	//myGhast.getWorld().playSound(myGhast.getLocation(), Sound.GHAST_DEATH, 2.0f, (float) (Math.random() * 3.0f));
	Location fireLoc = myGhast.getLocation().clone().add(target2);
	//System.out.println("fireloc: " + fireLoc);
	//Fireball f = (Fireball) myGhast.getWorld().spawnEntity(fireLoc, EntityType.FIREBALL);
	//f.setDirection(target);
	Projectile proj = myGhast.getWorld().spawn(fireLoc, Fireball.class);
	// launchProjectile(this.projectileClass, finalVec);
	// finally, set the shooter
	proj.setVelocity(target);
	Fireball f = (Fireball) proj;
	if(myGhast.getWorld().getName().startsWith("Trinitos_")){
		f.setIsIncendiary(false);
		f.setYield(2.0F);
	} else {
		f.setIsIncendiary(true);
		f.setYield(1.5F);
	}
}
 

import org.bukkit.entity.Projectile; //導入方法依賴的package包/類
@EventHandler(priority=EventPriority.MONITOR)
public void onDamageGet(EntityDamageEvent e) {
	if (!e.isCancelled()) {
		if (e instanceof EntityDamageByEntityEvent) {
			if (((EntityDamageByEntityEvent) e).getDamager() instanceof Player && SlimefunStartup.chance(100, 45)) {
				if (SlimefunManager.isItemSimiliar(((Player) ((EntityDamageByEntityEvent) e).getDamager()).getInventory().getItemInMainHand(), SlimefunItem.getItem("BLADE_OF_VAMPIRES"), true)) {
					((Player) ((EntityDamageByEntityEvent) e).getDamager()).playSound(((EntityDamageByEntityEvent) e).getDamager().getLocation(), Sound.ENTITY_ARROW_HIT_PLAYER, 0.7F, 0.7F);
					((Player) ((EntityDamageByEntityEvent) e).getDamager()).addPotionEffect(new PotionEffect(PotionEffectType.HEAL, 1, 1));
				}
			}
		}
		if (e.getEntity() instanceof Player) {
			if (!e.isCancelled()) {
				if (e.getCause() == DamageCause.LAVA) Talisman.checkFor(e, SlimefunItem.getByID("LAVA_TALISMAN"));
				if (e.getCause() == DamageCause.DROWNING) Talisman.checkFor(e, SlimefunItem.getByID("WATER_TALISMAN"));
				if (e.getCause() == DamageCause.FALL) Talisman.checkFor(e, SlimefunItem.getByID("ANGEL_TALISMAN"));
				if (e.getCause() == DamageCause.FIRE) Talisman.checkFor(e, SlimefunItem.getByID("FIRE_TALISMAN"));
				if (e.getCause() == DamageCause.ENTITY_ATTACK) Talisman.checkFor(e, SlimefunItem.getByID("WARRIOR_TALISMAN"));
				if (e.getCause() == DamageCause.ENTITY_ATTACK) Talisman.checkFor(e, SlimefunItem.getByID("KNIGHT_TALISMAN"));
				if (e.getCause() == DamageCause.PROJECTILE) {
					if (Talisman.checkFor(e, SlimefunItem.getByID("WHIRLWIND_TALISMAN"))) {
						if (((EntityDamageByEntityEvent) e).getDamager() instanceof Projectile) {
							Vector direction = ((Player) e.getEntity()).getEyeLocation().getDirection().multiply(2.0);
							Projectile projectile = (Projectile) e.getEntity().getWorld().spawnEntity(((LivingEntity) e.getEntity()).getEyeLocation().add(direction.getX(), direction.getY(), direction.getZ()), ((EntityDamageByEntityEvent) e).getDamager().getType());
							projectile.setVelocity(direction);
							((EntityDamageByEntityEvent) e).getDamager().remove();
						}
					}
				}
			}
		}
	}
}
 

import org.bukkit.entity.Projectile; //導入方法依賴的package包/類
/**
 * Based on the parameters in this bullet, configure some stuff.
 * 
 * @param bullet the newly minted projectile 
 * @param world the world it inhabits
 * @param shooter who shot it
 * @param velocity The gun's intrinsic velocity. Might be ignored. 
 */
public void configureBullet(Projectile bullet, World world, ProjectileSource shooter, Vector velocity) {
	
	bullet.setVelocity(velocity);
	bullet.setFireTicks(this.fireTicks);
	
	if (bullet instanceof Fireball) {
		((Fireball) bullet).setIsIncendiary(Math.random() < this.fireChance);
	}
}
 

import org.bukkit.entity.Projectile; //導入方法依賴的package包/類
@EventHandler
public void onProjectileLaunch(final ProjectileLaunchEvent event) {
    if (event.getEntityType() == EntityType.SPLASH_POTION) {
        final Projectile projectile = event.getEntity();

        if (projectile.getShooter() instanceof Player && ((Player) projectile.getShooter()).isSprinting()) {
            final Vector velocity = projectile.getVelocity();

            velocity.setY(velocity.getY() - 0.8);
            projectile.setVelocity(velocity);
        }
    }
}
 

import org.bukkit.entity.Projectile; //導入方法依賴的package包/類
@Override
public void run(PlayerInteractEvent evt) {
    Player player = evt.getPlayer();
    Inventory inv = player.getInventory();
    if (!inv.contains(Material.FIREWORK_CHARGE)) {
        AzureAPI.log(player, "你沒有彈藥! 需要 " + ChatColor.RED + "迷你核彈" + ChatColor.GOLD + " 作為彈藥");
        AzureAPI.playSound(player, Sound.ENTITY_ITEM_BREAK);
        return;
    }
    int slot = inv.first(Material.FIREWORK_CHARGE);
    ItemStack ammo = inv.getItem(slot);
    if (ammo.hasItemMeta()) {
        if (!ammo.getItemMeta().hasLore()) return;
        if (!ammo.getItemMeta().getLore().contains("彈藥")) return;
    } else {
        return;
    }
    int amount = ammo.getAmount();
    if (amount > 1) {
        ammo.setAmount(amount - 1);
        inv.setItem(slot, ammo);
    } else {
        inv.setItem(slot, null);
    }
    
    Location eye = player.getEyeLocation();
    Vector direction = eye.getDirection().multiply(2);
    Projectile projectile = player.getWorld().spawn(eye.add(direction), DragonFireball.class);
    projectile.setBounce(true);
    projectile.setGravity(true);
    projectile.setShooter(player);
    projectile.setVelocity(direction);
    projectile.setCustomName("recreator.item.fatman");
    AzureAPI.playSound(player, Sound.ITEM_FIRECHARGE_USE, true);
}
 

import org.bukkit.entity.Projectile; //導入方法依賴的package包/類
@Override
public void run(PlayerInteractEvent evt) {
    Player player = evt.getPlayer();
    if (CooldownTicker.can(this, player) || evt.getItem().getItemMeta().getLore().contains("§6高速射擊")) {
        Inventory inv = player.getInventory();
        if (!inv.contains(Material.SULPHUR)) {
            AzureAPI.log(player, "你沒有彈藥! 需要 " + ChatColor.RED + "火藥" + ChatColor.GOLD + " 作為彈藥");
            AzureAPI.playSound(player, Sound.ENTITY_ITEM_BREAK);
            return;
        }
        int slot = inv.first(Material.SULPHUR);
        ItemStack ammo = inv.getItem(slot);
        int amount = ammo.getAmount();
        if (amount > 1) {
            ammo.setAmount(amount - 1);
            inv.setItem(slot, ammo);
        } else {
            inv.setItem(slot, null);
        }
        
        Location eye = player.getEyeLocation();
        Vector direction = eye.getDirection().multiply(2);
        Projectile projectile = player.getWorld().spawn(eye.add(direction), Fireball.class);
        projectile.setShooter(player);
        projectile.setVelocity(direction);
        AzureAPI.playSound(player, Sound.ITEM_FIRECHARGE_USE, true);
        
        CooldownTicker.cooldown(this, player, TimeUnit.SECONDS, 3);
    } else {
        AzureAPI.playSound(player, Sound.UI_BUTTON_CLICK);
        AzureAPI.log(player, "冷卻時間還沒有結束呢!");
    }
}
 

import org.bukkit.entity.Projectile; //導入方法依賴的package包/類
@EventHandler
public void onProjectileLaunch(ProjectileLaunchEvent e){
	Projectile projectile = e.getEntity(); //Getting the projectile
	ProjectileSource shooter = projectile.getShooter(); //Getting the shooter
	if(shooter instanceof Player){ //If the shooter was a player
		Player player = (Player) shooter;
		if(!isEnabled(player.getWorld())) return; //If this module is enabled in this world
		debug("Making projectile go straight", player);
		//Here we get a unit vector of the direction the player is looking in and multiply it by the projectile's vector's magnitude
		//We then assign this to the projectile as its new velocity
		projectile.setVelocity(player.getLocation().getDirection().normalize().multiply(projectile.getVelocity().length()));
	}
}
 

import org.bukkit.entity.Projectile; //導入方法依賴的package包/類
@EventHandler
public void onGraczInteract(PlayerInteractEvent pie) {
Player gracz = (Player) pie.getPlayer();
String mb = pie.getPlayer().getItemInHand().getItemMeta().getDisplayName();
    if(mb.equals(plugin.nameM9) || mb.equals(plugin.nameSG) || mb.equals(plugin.nameM14) || mb.equals(plugin.nameM16) || mb.equals(plugin.nameAK47)) {
      if (pie.getAction() == Action.LEFT_CLICK_BLOCK
        || pie.getAction() == Action.LEFT_CLICK_AIR) {	  
      World world = gracz.getWorld();
      org.bukkit.Location loc = pie.getPlayer().getEyeLocation();
      Projectile zmienna = (Projectile) world.spawnEntity(loc,
          EntityType.SNOWBALL);
      Vector loce = gracz.getLocation().getDirection().multiply(4);
      zmienna.setShooter(gracz);
      zmienna.setVelocity(loce);
  Map<Projectile, Amunicja> projMap = plugin.nabojeMap.get(gracz.getName());
  if (projMap == null)
  {
  projMap = new HashMap<>();
  plugin.nabojeMap.put(gracz.getName(), projMap);
  }
  if(mb.equals(plugin.nameAK47)) {
   projMap.put(zmienna, Amunicja.amoAK47);	
  } else if(mb.equals(plugin.nameM16)) {
   projMap.put(zmienna, Amunicja.amoM16);	
  } else if(mb.equals(plugin.nameM14)) {
   projMap.put(zmienna, Amunicja.amoM14);	
  } else if(mb.equals(plugin.nameSG)) {
   projMap.put(zmienna, Amunicja.amoSG);	
  } else if(mb.equals(plugin.nameM9)) {
   projMap.put(zmienna, Amunicja.amoM9);	
  } 

    }
  } 
}