Now you can apply methods for any world you'd like!
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Note: You can now either use (x, y, z, world) as a location or you can get the player location by doing (player.getLocation). Example:
You can either type 'spawnEntity(10, 50, 10, world, chicken)' or 'spawnEntity(player.getLocation, chicken).
Current World Methods:
spawnEntity(x, y, z, world, entity) - spawns any entity at this location.
generateTree(Location, treeType) - generates a natural tree at this location.
setAnimalSpawnLimit(limit(number)) - set the world animal spawn limit.
setAmbientSpawnLimit(limit(number)) - set the ambient spawn limit.
spawnParticle(Location, particle) - spawns any particle in this location.
createExplosion(Location, power) - creates a natural explosion by this power.