Now using worldOrException

src/main/kotlin/net/axay/kspigot/particles/KSpigotParticles.kt

@@ -1,5 +1,6 @@
 package net.axay.kspigot.particles
 
+import net.axay.kspigot.extensions.geometry.worldOrException
 import org.bukkit.Location
 import org.bukkit.Particle
 import org.bukkit.entity.Player
@@ -15,7 +16,7 @@ data class KSpigotParticle(
 ) {
 
     fun spawnAt(loc: Location) {
-        loc.world?.spawnParticle(
+        loc.worldOrException.spawnParticle(
                 particle,
                 loc,
                 amount,
@@ -25,7 +26,7 @@ data class KSpigotParticle(
                 extra.toDouble(),
                 data,
                 force
-        ) ?: throw IllegalArgumentException("The world of the given location is null!")
+        )
     }
 
     fun spawnFor(player: Player) {

src/main/kotlin/net/axay/kspigot/structures/Circle.kt

@@ -3,6 +3,7 @@
 package net.axay.kspigot.structures
 
 import net.axay.kspigot.extensions.geometry.SimpleLocation2D
+import net.axay.kspigot.extensions.geometry.worldOrException
 import net.axay.kspigot.particles.KSpigotParticle
 import org.bukkit.Location
 import org.bukkit.Material
@@ -87,6 +88,6 @@ class ParticleCircle(radius: Number, val particle: KSpigotParticle) : Circle(rad
 
 class EntityCircle(radius: Number, val entityType: EntityType) : Circle(radius) {
     override fun setAt(loc: Location) {
-        loc.world?.spawnEntity(loc, entityType) ?: throw IllegalArgumentException("The world of the given location is null!")
+        loc.worldOrException.spawnEntity(loc, entityType)
     }
 }