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Added a few more mat4 tests

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This commit is contained in:
karai17 2016-07-24 11:35:48 -03:00
parent ce80e2c90a
commit 96a63ce581
2 changed files with 36 additions and 4 deletions
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4
modules/mat4.lua
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@ -642,8 +642,6 @@ function mat4_mt.__index(t, k)
if type(k) == "number" then
return t._m[k-1]
end
elseif type(k) == "number" then
return t._m[k]
end
return rawget(mat4, k)
@ -654,8 +652,6 @@ function mat4_mt.__newindex(t, k, v)
if type(k) == "number" then
t._m[k-1] = v
end
elseif type(k) == "number" then
t._m[k] = v
end
rawset(mat4, k, v)

36
spec/mat4_spec.lua
View File

@ -118,6 +118,7 @@ describe("mat4:", function()
4, 8, 12, 16
}
local c = mat4():mul(a, b)
local d = a * b
assert.is.equal(30, c[1])
assert.is.equal(70, c[2])
assert.is.equal(110, c[3])
@ -134,6 +135,7 @@ describe("mat4:", function()
assert.is.equal(382, c[14])
assert.is.equal(614, c[15])
assert.is.equal(846, c[16])
assert.is.equal(c, d)
end)
it("multiplies a matrix and a vec4", function()
@ -145,10 +147,16 @@ describe("mat4:", function()
}
local b = { 10, 20, 30, 40 }
local c = mat4.mul_vec4({}, a, b)
local d = a * b
assert.is.equal(900, c[1])
assert.is.equal(1000, c[2])
assert.is.equal(1100, c[3])
assert.is.equal(1200, c[4])
assert.is.equal(c[1], d[1])
assert.is.equal(c[2], d[2])
assert.is.equal(c[3], d[3])
assert.is.equal(c[4], d[4])
end)
it("scales a matrix", function()
@ -184,6 +192,14 @@ describe("mat4:", function()
local b = mat4():invert(a)
local c = mat4():mul(a, b)
assert.is.equal(mat4(), c)
local d = mat4()
d:rotate(d, math.pi/4, vec3.unit_y)
d:translate(d, vec3(4, 5, 6))
local e = -d
local f = mat4():mul(d, e)
assert.is.equal(mat4(), f)
end)
it("transposes a matrix", function()
@ -327,6 +343,26 @@ describe("mat4:", function()
assert.is_true(utils.tolerance( 1 -f.far.c, 0.001))
assert.is_true(utils.tolerance( 1000-f.far.d, 0.001))
end)
it("checks to see if data is a valid matrix (not a table)", function()
assert.is_not_true(mat4.is_mat4(0))
end)
it("checks to see if data is a valid matrix (invalid data)", function()
assert.is_not_true(mat4.is_mat4({}))
end)
it("gets a string representation of a matrix", function()
local a = mat4()
local b = a:to_string()
local z = "+0.000"
local o = "+1.000"
local s = string.format(
"[ %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s ]",
o, z, z, z, z, o, z, z, z, z, o, z, z, z ,z, o
)
assert.is.equal(s, b)
end)
end)
--[[