From 435296f5013860a53841a03098358cf511f1c5bc Mon Sep 17 00:00:00 2001
From: ywang <ywang@forksworld.de>
Date: Wed, 30 Dec 2020 02:27:58 +0100
Subject: Minor optimizations for performance

---
 init.lua | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/init.lua b/init.lua
index 8f9164c..1a09f77 100644
--- a/init.lua
+++ b/init.lua
@@ -1,4 +1,6 @@
-fireworkz = {}
+local fireworkz = {}
+local minetest = _G.minetest
+local math = _G.math
 
 --Variables
 local modname = "fireworkz"
@@ -80,11 +82,13 @@ local figures = {}
 
 function figures.line(t, pos, off, rep, vel)
 	if not t then t = {} end
-	local v = vector.new(pos)
+	local v = {x = pos.x, y = pos.y, z = pos.z}
 	for i = 0, rep, 1 do
-		t[#t+1] = vector.new(v)
-		t[#t].v = vel
-		v = vector.add(v, off)
+		local w = {x = v.x, y = v.y, z = v.z, v = vel}
+		t[#t+1] = w
+		v.x = v.x+off.x
+		v.y = v.y+off.y
+		v.z = v.z+off.z
 	end
 	return t
 end
@@ -361,3 +365,4 @@ for k,v in pairs {green = "green", orange = "yellow", red = "red", violet = "blu
 	minetest.register_alias("fireworks:"..k, "fireworkz:rocket_default_"..v)
 end
 
+_G.fireworkz = fireworkz
-- 
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