mtcontrib/vector_extras
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Merge remote-tracking branch 'upstream/master'

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Sys Quatre
2020-08-25 20:07:10 +02:00
parent a1f3da77c0 8c7aaf6c0b
commit 2f0ad734d4
1 changed files with 9 additions and 9 deletions
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18
init.lua
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@@ -122,7 +122,7 @@ function funcs.rayIter(pos, dir)
for i in pairs(step) do
choose[i] = vector.new(p)
choose[i][i] = choose[i][i] + step[i]
choosefit[i] = vector.scalar(vector.normalize(vector.subtract(choose[i], pos)), dir)
choosefit[i] = vector.dot(vector.normalize(vector.subtract(choose[i], pos)), dir)
end
p = choose[vector.get_max_coord(choosefit)]
@@ -273,7 +273,7 @@ end
--local areas = {}
function funcs.plane(ps)
-- sort positions and imagine the first one (A) as vector.zero
ps = vector.sort_positions(ps)
vector.sort_positions(ps)
local pos = ps[1]
local B = vector.subtract(ps[2], pos)
local C = vector.subtract(ps[3], pos)
@@ -292,28 +292,28 @@ function funcs.plane(ps)
local nAB = vector.normalize(B)
local nAC = vector.normalize(C)
local angle_BAC = math.acos(vector.scalar(nAB, nAC))
local angle_BAC = math.acos(vector.dot(nAB, nAC))
local nBA = vector.multiply(nAB, -1)
local nBC = vector.normalize(vector.subtract(C, B))
local angle_ABC = math.acos(vector.scalar(nBA, nBC))
local angle_ABC = math.acos(vector.dot(nBA, nBC))
for z = cube_p1.z, cube_p2.z do
for y = cube_p1.y, cube_p2.y do
for x = cube_p1.x, cube_p2.x do
local p = {x=x, y=y, z=z}
local n = -vector.scalar(p, vn)/vector.scalar(vn, vn)
local n = -vector.dot(p, vn)/vector.dot(vn, vn)
if math.abs(n) <= 0.5 then
local ep = vector.add(p, vector.multiply(vn, n))
local nep = vector.normalize(ep)
local angle_BAep = math.acos(vector.scalar(nAB, nep))
local angle_CAep = math.acos(vector.scalar(nAC, nep))
local angle_BAep = math.acos(vector.dot(nAB, nep))
local angle_CAep = math.acos(vector.dot(nAC, nep))
local angldif = angle_BAC - (angle_BAep+angle_CAep)
if math.abs(angldif) < 0.001 then
ep = vector.subtract(ep, B)
nep = vector.normalize(ep)
local angle_ABep = math.acos(vector.scalar(nBA, nep))
local angle_CBep = math.acos(vector.scalar(nBC, nep))
local angle_ABep = math.acos(vector.dot(nBA, nep))
local angle_CBep = math.acos(vector.dot(nBC, nep))
local angldif = angle_ABC - (angle_ABep+angle_CBep)
if math.abs(angldif) < 0.001 then
table.insert(ps, vector.add(pos, p))