@jscad/modeling
Version:
Constructive Solid Geometry (CSG) Library for JSCAD
128 lines (97 loc) • 5.28 kB
JavaScript
const test = require('ava')
const vec3 = require('../vec3')
const create = require('./create')
const fromVectorRotation = require('./fromVectorRotation')
const { compareVectors } = require('../../../test/helpers/index')
test('mat4: fromVectorRotation() called with out parameter should return a mat4 with correct values', (t) => {
// unit vectors, same directions
const out = create()
let ret = fromVectorRotation(out, [1, 0, 0], [1, 0, 0])
t.is(ret, out)
t.true(compareVectors(out, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1]))
ret = fromVectorRotation(out, [0, 1, 0], [0, 1, 0])
t.is(ret, out)
t.true(compareVectors(out, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1]))
ret = fromVectorRotation(out, [0, 0, 1], [0, 0, 1])
t.is(ret, out)
t.true(compareVectors(out, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1]))
// unit vectors, axis rotations
ret = fromVectorRotation(out, [1, 0, 0], [0, 1, 0])
t.is(ret, out)
t.true(compareVectors(out, [0, 1, 0, 0, -1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1]))
ret = fromVectorRotation(out, [1, 0, 0], [0, 0, 1])
t.is(ret, out)
t.true(compareVectors(out, [0, 0, 1, 0, 0, 1, 0, 0, -1, 0, 0, 0, 0, 0, 0, 1]))
ret = fromVectorRotation(out, [0, 1, 0], [1, 0, 0])
t.is(ret, out)
t.true(compareVectors(out, [0, -1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1]))
ret = fromVectorRotation(out, [0, 1, 0], [0, 0, 1])
t.is(ret, out)
t.true(compareVectors(out, [1, 0, 0, 0, 0, 0, 1, 0, 0, -1, 0, 0, 0, 0, 0, 1]))
ret = fromVectorRotation(out, [0, 0, 1], [1, 0, 0])
t.is(ret, out)
t.true(compareVectors(out, [0, 0, -1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1]))
ret = fromVectorRotation(out, [0, 0, 1], [0, 1, 0])
t.is(ret, out)
t.true(compareVectors(out, [1, 0, 0, 0, 0, 0, -1, 0, 0, 1, 0, 0, 0, 0, 0, 1]))
ret = fromVectorRotation(out, [-1, 0, 0], [0, -1, 0])
t.is(ret, out)
t.true(compareVectors(out, [0, 1, 0, 0, -1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1]))
ret = fromVectorRotation(out, [-1, 0, 0], [0, 0, -1])
t.is(ret, out)
t.true(compareVectors(out, [0, 0, 1, 0, 0, 1, 0, 0, -1, 0, 0, 0, 0, 0, 0, 1]))
ret = fromVectorRotation(out, [0, -1, 0], [-1, 0, 0])
t.is(ret, out)
t.true(compareVectors(out, [0, -1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1]))
ret = fromVectorRotation(out, [0, -1, 0], [0, 0, -1])
t.is(ret, out)
t.true(compareVectors(out, [1, 0, 0, 0, 0, 0, 1, 0, 0, -1, 0, 0, 0, 0, 0, 1]))
ret = fromVectorRotation(out, [0, 0, -1], [-1, 0, 0])
t.is(ret, out)
t.true(compareVectors(out, [0, 0, -1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1]))
ret = fromVectorRotation(out, [0, 0, -1], [0, -1, 0])
t.is(ret, out)
t.true(compareVectors(out, [1, 0, 0, 0, 0, 0, -1, 0, 0, 1, 0, 0, 0, 0, 0, 1]))
// unit vector, opposite directions
ret = fromVectorRotation(out, [1, 0, 0], [-1, 0, 0])
t.is(ret, out)
t.true(compareVectors(out, [-1, 0, 0, 0, 0, 1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 1]))
ret = fromVectorRotation(out, [-1, 0, 0], [1, 0, 0])
t.is(ret, out)
t.true(compareVectors(out, [-1, 0, 0, 0, 0, 1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 1]))
ret = fromVectorRotation(out, [0, 1, 0], [0, -1, 0])
t.is(ret, out)
t.true(compareVectors(out, [1, 0, 0, 0, 0, -1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 1]))
ret = fromVectorRotation(out, [0, -1, 0], [0, 1, 0])
t.is(ret, out)
t.true(compareVectors(out, [1, 0, 0, 0, 0, -1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 1]))
ret = fromVectorRotation(out, [0, 0, 1], [0, 0, -1])
t.is(ret, out)
t.true(compareVectors(out, [1, 0, 0, 0, 0, -1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 1]))
ret = fromVectorRotation(out, [0, 0, -1], [0, 0, 1])
t.is(ret, out)
t.true(compareVectors(out, [1, 0, 0, 0, 0, -1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 1]))
// different units
ret = fromVectorRotation(out, [11, 0, 0], [0, 33, 0])
t.is(ret, out)
t.true(compareVectors(out, [0, 1, 0, 0, -1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1]))
ret = fromVectorRotation(out, [0, 0.11, 0], [0, 0, 0.33])
t.is(ret, out)
t.true(compareVectors(out, [1, 0, 0, 0, 0, 0, 1, 0, 0, -1, 0, 0, 0, 0, 0, 1]))
ret = fromVectorRotation(out, [0, 0, 111111.0], [0, 0.33, 0])
t.is(ret, out)
t.true(compareVectors(out, [1, 0, 0, 0, 0, 0, -1, 0, 0, 1, 0, 0, 0, 0, 0, 1]))
// different quadrants
ret = fromVectorRotation(out, [0.5, 0.5, 0.5], [-0.5, 0.5, 0.5])
t.is(ret, out)
t.true(compareVectors(out, [0.3333333333333334, 0.6666666666666669, 0.6666666666666669, 0, -0.6666666666666669, 0.666666666666667, -0.3333333333333335, 0, -0.6666666666666669, -0.3333333333333335, 0.666666666666667, 0, 0, 0, 0, 1]))
t.true(compareVectors([-0.5, 0.5, 0.5], vec3.transform(vec3.create(), [0.5, 0.5, 0.5], ret)))
ret = fromVectorRotation(out, [5, 5, 5], [5, 5, -5])
t.is(ret, out)
t.true(compareVectors(out, [0.6666666666666666, -0.3333333333333333, -0.6666666666666666, 0, -0.3333333333333333, 0.6666666666666666, -0.6666666666666666, 0, 0.6666666666666666, 0.6666666666666666, 0.3333333333333333, 0, 0, 0, 0, 1]))
t.true(compareVectors([5, 5, -5], vec3.transform(vec3.create(), [5, 5, 5], ret)))
ret = fromVectorRotation(out, [5, 5, 5], [-5, -5, -5])
t.is(ret, out)
t.true(compareVectors(out, [0, -1, 0, 0, -1, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 1]))
t.true(compareVectors([-5, -5, -5], vec3.transform(vec3.create(), [5, 5, 5], ret)))
})