Vector3: add snap_to

This commit is contained in:
Starbeamrainbowlabs 2021-06-26 14:44:40 +01:00
parent 8ae0d92e3d
commit cde3c3360c
Signed by: sbrl
GPG key ID: 1BE5172E637709C2
3 changed files with 9 additions and 28 deletions

View file

@ -1,14 +1,5 @@
local Vector3 = require("worldeditadditions.utils.vector3")
local function format_map(map)
local result = {}
for key, value in pairs(map) do
table.insert(result, key.."\t"..tostring(value))
end
return table.concat(result, "\n")
end
describe("Vector3.add", function()
it("should add 2 positive vectors", function()
local a = Vector3.new(3, 4, 5)

View file

@ -1,35 +1,25 @@
local Vector3 = require("worldeditadditions.utils.vector3")
local function format_map(map)
local result = {}
for key, value in pairs(map) do
table.insert(result, key.."\t"..tostring(value))
end
return table.concat(result, "\n")
end
describe("Vector3.snap_to", function()
it("should snap_to a positive vector", function()
local a = Vector3.new(3.1, 4.75, 5.9)
print("DEBUG "..tostring(a:snap_to(10)))
assert.are.same(
a:snap_to(10),
Vector3.new(0, 0, 10)
Vector3.new(0, 0, 10),
a:snap_to(10)
)
end)
it("should snap_to a negative vector", function()
local a = Vector3.new(-2.5, -4.2, -5.3)
assert.are.same(
a:snap_to(6),
Vector3.new(0, -6, -6)
Vector3.new(0, -6, -6),
a:snap_to(6)
)
end)
it("should work with integers", function()
local a = Vector3.new(3, 4, 5)
assert.are.same(
a:snap_to(3),
Vector3.new(3, 3, 6)
Vector3.new(3, 3, 6),
a:snap_to(3)
)
end)
it("should return a new Vector3 instance", function()
@ -37,8 +27,8 @@ describe("Vector3.snap_to", function()
local result = a:snap_to(3)
assert.are.same(
result,
Vector3.new(3, 6, 6)
Vector3.new(3, 6, 6),
result
)
assert.are_not.equal(result, a)
end)

View file

@ -123,7 +123,7 @@ end
-- @param number grid_size The size of the squares on the imaginary grid to which to snap.
-- @returns Vector3 A new Vector3 instance snapped to an imaginary grid of the specified size.
function Vector3.snap_to(a, grid_size)
return a:round(a / grid_size) * grid_size
return (a / grid_size):round() * grid_size
end
--- Returns the area of this vector.