1 files changed, 0 insertions, 56 deletions
diff --git a/carts/functions.lua b/carts/functions.lua
deleted file mode 100644
index 1a50d76..0000000
--- a/carts/functions.lua
+++ /dev/null
@@ -1,56 +0,0 @@
-
---
--- Helper functions
---
-
-cart_func = {}
-
-function cart_func:get_sign(z)
-	if z == 0 then
-		return 0
-	else
-		return z/math.abs(z)
-	end
-end
-
--- Returns the velocity as a unit vector
--- The smaller part of the vector will be turned to 0
-function cart_func:velocity_to_dir(v)
-	if math.abs(v.x) > math.abs(v.z) then
-		return {x=cart_func:get_sign(v.x), y=cart_func:get_sign(v.y), z=0}
-	else
-		return {x=0, y=cart_func:get_sign(v.y), z=cart_func:get_sign(v.z)}
-	end
-end
-
-function cart_func:is_rail(p)
-	local nn = minetest.get_node(p).name
-	return minetest.get_item_group(nn, "rail") ~= 0
-end
-
-function cart_func:is_int(z)
-	z = math.abs(z)
-	return math.abs(math.floor(z+0.5)-z) <= 0.1
-end
-
-cart_func.v3 = {}
-
-function cart_func.v3:add(v1, v2)
-	return {x=v1.x+v2.x, y=v1.y+v2.y, z=v1.z+v2.z}
-end
-
-function cart_func.v3:copy(v)
-	return {x=v.x, y=v.y, z=v.z}
-end
-
-function cart_func.v3:round(v)
-	return {
-		x = math.floor(v.x+0.5),
-		y = math.floor(v.y+0.5),
-		z = math.floor(v.z+0.5),
-	}
-end
-
-function cart_func.v3:equal(v1, v2)
-	return v1.x == v2.x and v1.y == v2.y and v1.z == v2.z
-end