--Scale the specified special effect at the specified position --The first three parameters are the coordinates of the special effect to be scaled --The fourth parameter is the special effect id to be scaled --The last parameter is the set scale ratio World:setEffectScaleOnPosition(0,7,0,1001,2) --Display in the chat box Chat:sendSystemMsg("Enlarge the smoke special effect at the height 7 position (0,0) by two times")