mirror of
https://github.com/sbrl/Minetest-WorldEditAdditions
synced 2025-11-04 14:03:08 +01:00
31 lines
810 B
Lua
31 lines
810 B
Lua
local Vector3 = require("worldeditadditions.utils.vector3")
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-- To find these numbers, in Javascript:
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-- function t(x) { return Math.sqrt((x*x)*3); }
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-- for(let i = 0; i < 1000000000; i++) { let r = t(i); if(Math.floor(r) === r) console.log(`i ${i}, r ${r}`); }
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describe("Vector3.length", function()
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it("should work with a positive vector", function()
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local a = Vector3.new(80198051, 80198051, 80198051)
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assert.are.equal(
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138907099,
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a:length()
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)
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end)
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it("should work with a negative vector", function()
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local a = Vector3.new(-189750626, -189750626, -189750626)
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assert.are.equal(
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328657725,
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a:length()
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)
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end)
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it("should work with a mixed vector", function()
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local a = Vector3.new(-371635731, 371635731, -371635731)
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assert.are.equal(
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643691968,
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a:length()
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)
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end)
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end)
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