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fix & bustitute

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This commit is contained in:
Lars Mueller 2025-05-30 18:40:34 +02:00
parent 0f5aae8b98
commit 0b8edb8019
6 changed files with 99 additions and 44 deletions
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32
games/devtest/mods/unittests/matrix4.lua
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@ -1,16 +1,8 @@
local function describe(_, func)
func()
end
local function it(section_name, func)
print("Running test: " .. section_name)
func()
end
local assert = require("luassert")
local function assert_close(a, b)
assert(a:equals(b, 1e-4))
local function assert_close(expected, got)
local tolerance = 1e-4
if not expected:equals(got, tolerance) then
error("expected " .. tostring(expected) .. " +- " .. tolerance .. " got " .. tostring(got))
end
end
local mat1 = Matrix4.new(
@ -54,6 +46,7 @@ describe("getters & setters", function()
assert.same({3, 7, 11, 15}, {mat:get_column(3)})
mat:set_column(3, 1, 2, 3, 4)
assert.same({1, 2, 3, 4}, {mat:get_column(3)})
assert.same({3, 7, 11, 15}, {mat1:get_column(3)})
end)
end)
@ -149,7 +142,7 @@ local function random_matrix4()
end
it("determinant", function()
assert.equal(42, Matrix4.scale(vector.new(2, 3, 7)):determinant())
assert.equals(42, Matrix4.scale(vector.new(2, 3, 7)):determinant())
end)
describe("inversion", function()
@ -205,8 +198,8 @@ describe("affine transform constructors", function()
end)
it("rotation", function()
assert_close(Matrix4.new(
0, -1, 0, 0,
1, 0, 0, 0,
0, 1, 0, 0,
-1, 0, 0, 0,
0, 0, 1, 0,
0, 0, 0, 1
), Matrix4.rotation(Rotation.z(math.pi / 2)))
@ -238,12 +231,9 @@ describe("affine transform methods", function()
assert.equals(t, trs:get_translation())
end)
it("get rotation & scale", function()
print(trs)
local rotation, scale = trs:get_rs()
print(rotation, scale)
print(r)
assert(r:angle_to(rotation) < 1e-4)
assert(s:distance(scale) < 1e-4)
assert(r:angle_to(rotation) < 1e-3)
assert(s:distance(scale) < 1e-3)
end)
it("set translation", function()
local mat = trs:copy()