Vector3: Add round

This commit is contained in:
Starbeamrainbowlabs 2021-06-26 14:22:26 +01:00
parent 06e19248c7
commit 1e1112c34a
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GPG Key ID: 1BE5172E637709C2
2 changed files with 50 additions and 0 deletions

@ -0,0 +1,44 @@
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.round", function()
it("should round a positive vector", function()
local a = Vector3.new(3.1, 4.75, 5.9)
assert.are.same(
a:round(),
Vector3.new(3, 5, 6)
)
end)
it("should round a negative vector", function()
local a = Vector3.new(-3.1, -4.2, -5.3)
assert.are.same(
a:round(),
Vector3.new(-3, -4, -5)
)
end)
it("should work with integers", function()
local a = Vector3.new(3, 4, 5)
assert.are.same(
a:round(),
Vector3.new(3, 4, 5)
)
end)
it("should return a new Vector3 instance", function()
local a = Vector3.new(3.1, 4.7, 5.99999)
local result = a:round()
assert.are.same(
result,
Vector3.new(3, 5, 6)
)
assert.are_not.equal(result, a)
end)
end)

@ -109,6 +109,12 @@ end
function Vector3.ceil(a)
return Vector3.new(math.ceil(a.x), math.ceil(a.y), math.ceil(a.z))
end
--- Rounds the components of this vector.
-- @param a Vector3 The vector to operate on.
-- @returns Vector3 A new instance with the x/y/z components rounded.
function Vector3.round(a)
return Vector3.new(math.floor(a.x+0.5), math.floor(a.y+0.5), math.floor(a.z+0.5))
end
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