Mirrorlandia_minetest/modlib
1
0
Fork 0
mirror of https://github.com/appgurueu/modlib.git synced 2024-11-22 23:33:53 +01:00
Code Issues Projects Releases Wiki Activity

Add vector.angle

Browse Source
This commit is contained in:
Lars Mueller 2021-03-24 10:36:28 +01:00
parent 0d1c5596a6
commit f0f48c0fb4
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
vector.lua
View File

@ -175,6 +175,13 @@ function dot(v, other_v)
return sum
end
--+ Angle between two vectors
--> Signed angle in radians
function angle(v, other_v)
-- Based on dot(v, w) = |v| * |w| * cos(x)
return math.acos(dot(v, other_v) / length(v) / length(other_v))
end
function box_box_collision(diff, box, other_box)
for index, diff in pairs(diff) do
if box[index] + diff > other_box[index + 3] or other_box[index] > box[index + 3] + diff then