diff options
Diffstat (limited to 'builtin')
| -rw-r--r-- | builtin/common/misc_helpers.lua | 11 | ||||
| -rw-r--r-- | builtin/common/vector.lua | 8 |
2 files changed, 19 insertions, 0 deletions
diff --git a/builtin/common/misc_helpers.lua b/builtin/common/misc_helpers.lua index 0b608126e..e1dc28965 100644 --- a/builtin/common/misc_helpers.lua +++ b/builtin/common/misc_helpers.lua @@ -213,6 +213,17 @@ function math.hypot(x, y) end -------------------------------------------------------------------------------- +function math.sign(x, tolerance) + tolerance = tolerance or 0 + if x > tolerance then + return 1 + elseif x < -tolerance then + return -1 + end + return 0 +end + +-------------------------------------------------------------------------------- function get_last_folder(text,count) local parts = text:split(DIR_DELIM) diff --git a/builtin/common/vector.lua b/builtin/common/vector.lua index 88ccfe6da..e9ed3aab3 100644 --- a/builtin/common/vector.lua +++ b/builtin/common/vector.lua @@ -39,6 +39,14 @@ function vector.round(v) } end +function vector.apply(v, func) + return { + x = func(v.x), + y = func(v.y), + z = func(v.z) + } +end + function vector.distance(a, b) local x = a.x - b.x local y = a.y - b.y |