Minetest-WorldEditAdditions/worldeditadditions/lib/sculpt/brushes/circle.lua

24 lines
455 B
Lua

local wea = worldeditadditions
local Vector3 = wea.Vector3
return function(size)
local brush = {}
local centre = (size / 2):floor()
local minsize = math.floor(math.min(size.x, size.y) / 2)
for y = size.y - 1, 0, -1 do
for x = size.x - 1, 0, -1 do
local i = y*size.x + x
if math.floor((centre - Vector3.new(x, y, 0)):length()) < minsize then
brush[i] = 1
else
brush[i] = 0
end
end
end
return true, brush, size
end