(re)add rainbow arrows

items.lua

@@ -181,3 +181,17 @@ bows.register_arrow("arrow_toxic",{
 		{"group:arrow","default:papyrus"},
 	}
 })
+
+bows.register_arrow("arrow_rainbow",{
+	description="Rainbow arrow",
+	texture="bows_arrow_wood.png^bows_rainbow.png",
+	craft_count=8,
+	damage=11,
+--[[	craft={
+		{"group:arrow","group:arrow","group:arrow"},
+		{"group:arrow","bows:rainbow","group:arrow"},
+		{"group:arrow","group:arrow","group:arrow"}
+	},]]
+	on_step=bows.arrow_rainbow_step,
+	on_hit_object=bows.arrow_rainbow_object
+})

items_functions.lua

@@ -42,3 +42,50 @@ bows.arrow_admin_node=function(self,pos,user,lastpos)
 	bows.arrow_remove(self)
 	return self
 end
+
+bows.arrow_rainbow_step=function(self,dtime,user,pos,lastpos)
+	minetest.add_particlespawner({
+		amount = 20,
+		time =0.5,
+		minpos = pos,
+		maxpos =pos,
+		minvel = {x=-1, y=-1, z=-1},
+		maxvel = {x=1, y=-0.5, z=1},
+		minacc = {x=0, y=0, z=0},
+		maxacc = {x=0, y=0, z=0},
+		minexptime = 1.0,
+		maxexptime = 1.5,
+		minsize = 1.6,
+		maxsize = 0.2,
+		texture = "bows_rainbow.png",
+	})
+	end
+	
+	bows.arrow_rainbow_object=function(self,target,hp,user,lastpos)
+		local pos=target:get_pos()
+		minetest.add_particle({
+			pos = pos,
+			velocity = vector.new(),
+			acceleration = vector.new(),
+			expirationtime = 0.4,
+			size = 20,
+			collisiondetection = true,
+			vertical = false,
+			texture = "bows_rainbow.png",
+		})
+		minetest.add_particlespawner({
+			amount = 100,
+			time = 0.5,
+			minpos = vector.subtract(pos, 3),
+			maxpos = vector.add(pos, 3),
+			minvel = {x = -10, y = -10, z = -10},
+			maxvel = {x = 10, y = 10, z = 10},
+			minacc = vector.new(),
+			maxacc = vector.new(),
+			minexptime = 1,
+			maxexptime = 2.5,
+			minsize = 3,
+			maxsize = 9,
+			texture = "bows_rainbow.png",
+		})
+	end