Ability BloodHelix

package bloodHelix;

import org.bukkit.Bukkit;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.craftbukkit.v1_12_R1.entity.CraftPlayer;
import org.bukkit.entity.Entity;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.block.Action;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.inventory.ItemStack;
import org.bukkit.plugin.Plugin;
import org.bukkit.potion.PotionEffect;
import org.bukkit.potion.PotionEffectType;
import org.bukkit.scheduler.BukkitRunnable;

import mainInfo.MainClass;
import net.minecraft.server.v1_12_R1.EnumParticle;
import net.minecraft.server.v1_12_R1.PacketPlayOutWorldParticles;

public class BloodHelix implements Listener {

	static Plugin plugin = MainClass.getPlugin(MainClass.class);

	@EventHandler
	public void helix(PlayerInteractEvent event) {

		Action a = event.getAction();
		Player player = event.getPlayer();

		ItemStack mainhand = player.getInventory().getItemInMainHand();

		if(a == Action.RIGHT_CLICK_AIR || a == Action.RIGHT_CLICK_BLOCK) {
			if(!mainhand.hasItemMeta()) return;

			else if(mainhand.getType() == Material.DIAMOND) {

				if(mainhand.getItemMeta().getDisplayName().equalsIgnoreCase("Dimension Warp")) {

					player.addPotionEffect(new PotionEffect(PotionEffectType.INCREASE_DAMAGE, 400, 10));
					player.addPotionEffect(new PotionEffect(PotionEffectType.INVISIBILITY, 400, 1));
					player.addPotionEffect(new PotionEffect(PotionEffectType.SPEED, 400, 1));

					 for (Entity entity : Bukkit.getWorld("warmode").getEntities()) {
				            if (entity instanceof Player) {
				                Player p = (Player) entity;

				        		new BukkitRunnable() {

				        			double phi = 0;

				        			@Override
				        			public void run() {

				        				phi = phi + Math.PI/8;
				        				double x, y, z;

				        				Location loc = p.getLocation();

				        				for(int f=0; f<20; f=f+1) {

					        				for (double t = 0; t <= 2*Math.PI; t = t + Math.PI/16) {

					        					for (double i = 0; i <= 1; i = i + 1) {

					        						float red = 255;
					    	                        float green = 10;
					    	                        float blue = 10;

					        						x = 0.4*(2*Math.PI-t)*0.5*Math.cos(t + phi + i*Math.PI);

					        						y = 0.5*t;

					        						z = 0.4*(2*Math.PI-t)*0.5*Math.sin(t + phi + i*Math.PI);

					        						PacketPlayOutWorldParticles particles = new PacketPlayOutWorldParticles(EnumParticle.SPELL_MOB, true, (float) (loc.getX() + x), (float) (loc.getY() + y), (float) (loc.getZ() + z), red, green, blue, (float)255, 0, 40);
					        						((CraftPlayer) p).getHandle().playerConnection.sendPacket(particles);

					        					}

						        			}
				        				}

				        				//Cancel Event (this.cancel();)

				        			}

				        		}.runTaskTimerAsynchronously(plugin, 0, 3);

				            }

					 }
				}
			}



		}

	}

}