From 0d740c5d829bceda8500fc505f4a65b967a1c151 Mon Sep 17 00:00:00 2001 From: rubenwardy Date: Mon, 17 Oct 2016 20:36:38 +0100 Subject: Builtin: Add vector.floor helper function --- builtin/common/vector.lua | 9 ++++++++- doc/lua_api.txt | 3 ++- 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/builtin/common/vector.lua b/builtin/common/vector.lua index e9ed3aab3..90ba3cc8b 100644 --- a/builtin/common/vector.lua +++ b/builtin/common/vector.lua @@ -31,6 +31,14 @@ function vector.normalize(v) end end +function vector.floor(v) + return { + x = math.floor(v.x), + y = math.floor(v.y), + z = math.floor(v.z) + } +end + function vector.round(v) return { x = math.floor(v.x + 0.5), @@ -130,4 +138,3 @@ function vector.divide(a, b) z = a.z / b} end end - diff --git a/doc/lua_api.txt b/doc/lua_api.txt index 8cb3f72bd..1e5084354 100644 --- a/doc/lua_api.txt +++ b/doc/lua_api.txt @@ -1812,7 +1812,8 @@ Spatial Vectors * `vector.distance(p1, p2)`: returns a number * `vector.length(v)`: returns a number * `vector.normalize(v)`: returns a vector -* `vector.round(v)`: returns a vector, each dimension rounded to floor +* `vector.floor(v)`: returns a vector, each dimension rounded down +* `vector.round(v)`: returns a vector, each dimension rounded to nearest int * `vector.apply(v, func)`: returns a vector * `vector.equals(v1, v2)`: returns a boolean -- cgit v1.2.3