Andreas Hocevar
433 lines
14 KiB
HTML
433 lines
14 KiB
HTML
<!DOCTYPE html>
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<html>
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<!--
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Copyright 2013 The Closure Library Authors. All Rights Reserved.
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Use of this source code is governed by the Apache License, Version 2.0.
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See the COPYING file for details.
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////////////////////////// NOTE ABOUT EDITING THIS FILE ///////////////////////
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// //
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// Any edits to this file must be applied to mat3d_test.html by running: //
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// swap_type.sh mat3f_test.html > mat3d_test.html //
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// //
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////////////////////////// NOTE ABOUT EDITING THIS FILE ///////////////////////
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-->
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<head>
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<title>Closure Unit Tests - goog.vec.mat3f</title>
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<script src="../base.js"></script>
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<script>
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goog.require('goog.vec.mat3f');
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goog.require('goog.testing.jsunit');
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</script>
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</head>
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<body>
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<script>
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var randommat3f = goog.vec.mat3f.setFromValues(goog.vec.mat3f.create(),
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0.8025078773498535,
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0.7559120655059814,
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0.15274643898010254,
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0.19196106493473053,
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0.0890120416879654,
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0.15422114729881287,
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0.09754583984613419,
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0.44862601161003113,
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0.9196512699127197);
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function testCreate() {
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var m = goog.vec.mat3f.create();
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assertElementsEquals([0, 0, 0, 0, 0, 0, 0, 0, 0], m);
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}
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function testSet() {
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var m0 = goog.vec.mat3f.create();
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var m1 = goog.vec.mat3f.setFromArray(
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goog.vec.mat3f.create(), [1, 2, 3, 4, 5, 6, 7, 8, 9]);
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goog.vec.mat3f.setFromArray(m0, m1);
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assertElementsEquals([1, 2, 3, 4, 5, 6, 7, 8, 9], m0);
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goog.vec.mat3f.setFromValues(m0, 2, 3, 4, 5, 6, 7, 8, 9, 10);
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assertElementsEquals([2, 3, 4, 5, 6, 7, 8, 9, 10], m0);
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}
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function testSetDiagonal() {
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var m0 = goog.vec.mat3f.create();
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goog.vec.mat3f.setDiagonalValues(m0, 1, 2, 3);
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assertElementsEquals([1, 0, 0, 0, 2, 0, 0, 0, 3], m0);
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goog.vec.mat3f.setDiagonal(m0, [4, 5, 6]);
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assertElementsEquals([4, 0, 0, 0, 5, 0, 0, 0, 6], m0);
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}
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function testSetGetColumn() {
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var m0 = goog.vec.mat3f.create();
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goog.vec.mat3f.setColumn(m0, 0, [1, 2, 3]);
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goog.vec.mat3f.setColumn(m0, 1, [4, 5, 6]);
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goog.vec.mat3f.setColumn(m0, 2, [7, 8, 9]);
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assertElementsEquals([1, 2, 3, 4, 5, 6, 7, 8, 9], m0);
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var v0 = [0, 0, 0];
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goog.vec.mat3f.getColumn(m0, 0, v0);
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assertElementsEquals([1, 2, 3], v0);
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goog.vec.mat3f.getColumn(m0, 1, v0);
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assertElementsEquals([4, 5, 6], v0);
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goog.vec.mat3f.getColumn(m0, 2, v0);
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assertElementsEquals([7, 8, 9], v0);
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}
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function testSetGetColumns() {
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var m0 = goog.vec.mat3f.create();
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goog.vec.mat3f.setColumns(m0, [1, 2, 3], [4, 5, 6], [7, 8, 9]);
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assertElementsEquals([1, 2, 3, 4, 5, 6, 7, 8, 9], m0);
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var v0 = [0, 0, 0], v1 = [0, 0, 0], v2 = [0, 0, 0];
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goog.vec.mat3f.getColumns(m0, v0, v1, v2);
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assertElementsEquals([1, 2, 3], v0);
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assertElementsEquals([4, 5, 6], v1);
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assertElementsEquals([7, 8, 9], v2);
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}
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function testSetGetRow() {
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var m0 = goog.vec.mat3f.create();
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goog.vec.mat3f.setRow(m0, 0, [1, 2, 3]);
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goog.vec.mat3f.setRow(m0, 1, [4, 5, 6]);
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goog.vec.mat3f.setRow(m0, 2, [7, 8, 9]);
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assertElementsEquals([1, 4, 7, 2, 5, 8, 3, 6, 9], m0);
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var v0 = [0, 0, 0];
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goog.vec.mat3f.getRow(m0, 0, v0);
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assertElementsEquals([1, 2, 3], v0);
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goog.vec.mat3f.getRow(m0, 1, v0);
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assertElementsEquals([4, 5, 6], v0);
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goog.vec.mat3f.getRow(m0, 2, v0);
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assertElementsEquals([7, 8, 9], v0);
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}
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function testSetGetRows() {
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var m0 = goog.vec.mat3f.create();
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goog.vec.mat3f.setRows(m0, [1, 2, 3], [4, 5, 6], [7, 8, 9]);
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assertElementsEquals([1, 4, 7, 2, 5, 8, 3, 6, 9], m0);
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var v0 = [0, 0, 0], v1 = [0, 0, 0], v2 = [0, 0, 0];
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goog.vec.mat3f.getRows(m0, v0, v1, v2);
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assertElementsEquals([1, 2, 3], v0);
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assertElementsEquals([4, 5, 6], v1);
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assertElementsEquals([7, 8, 9], v2);
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}
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function testMakeZero() {
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var m0 = goog.vec.mat3f.setFromArray(
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goog.vec.mat3f.create(), [1, 2, 3, 4, 5, 6, 7, 8, 9]);
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assertElementsEquals([1, 2, 3, 4, 5, 6, 7, 8, 9], m0);
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goog.vec.mat3f.makeZero(m0);
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assertElementsEquals([0, 0, 0, 0, 0, 0, 0, 0, 0], m0);
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}
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function testMakeIdentity() {
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var m0 = goog.vec.mat3f.create();
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goog.vec.mat3f.makeIdentity(m0);
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assertElementsEquals([1, 0, 0, 0, 1, 0, 0, 0, 1], m0);
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}
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function testSetGetElement() {
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var m0 = goog.vec.mat3f.create();
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for (var r = 0; r < 3; r++) {
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for (var c = 0; c < 3; c++) {
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var value = c * 3 + r + 1;
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goog.vec.mat3f.setElement(m0, r, c, value);
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assertEquals(value, goog.vec.mat3f.getElement(m0, r, c));
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}
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}
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assertElementsEquals([1, 2, 3, 4, 5, 6, 7, 8, 9], m0);
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}
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function testAddMat() {
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var m0 = goog.vec.mat3f.setFromValues(
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goog.vec.mat3f.create(), 1, 2, 3, 4, 5, 6, 7, 8, 9);
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var m1 = goog.vec.mat3f.setFromValues(
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goog.vec.mat3f.create(), 3, 4, 5, 6, 7, 8, 9, 1, 2);
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var m2 = goog.vec.mat3f.create();
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goog.vec.mat3f.addMat(m0, m1, m2);
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assertElementsEquals([1, 2, 3, 4, 5, 6, 7, 8, 9], m0);
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assertElementsEquals([3, 4, 5, 6, 7, 8, 9, 1, 2], m1);
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assertElementsEquals([4, 6, 8, 10, 12, 14, 16, 9, 11], m2);
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goog.vec.mat3f.addMat(m0, m1, m0);
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assertElementsEquals([3, 4, 5, 6, 7, 8, 9, 1, 2], m1);
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assertElementsEquals([4, 6, 8, 10, 12, 14, 16, 9, 11], m0);
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}
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function testSubMat() {
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var m0 = goog.vec.mat3f.setFromValues(
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goog.vec.mat3f.create(), 1, 2, 3, 4, 5, 6, 7, 8, 9);
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var m1 = goog.vec.mat3f.setFromValues(
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goog.vec.mat3f.create(), 3, 4, 5, 6, 7, 8, 9, 1, 2);
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var m2 = goog.vec.mat3f.create();
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goog.vec.mat3f.subMat(m0, m1, m2);
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assertElementsEquals([1, 2, 3, 4, 5, 6, 7, 8, 9], m0);
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assertElementsEquals([3, 4, 5, 6, 7, 8, 9, 1, 2], m1);
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assertElementsEquals([-2, -2, -2, -2, -2, -2, -2, 7, 7], m2);
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goog.vec.mat3f.subMat(m1, m0, m1);
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assertElementsEquals([1, 2, 3, 4, 5, 6, 7, 8, 9], m0);
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assertElementsEquals([2, 2, 2, 2, 2, 2, 2, -7, -7], m1);
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}
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function testMultScalar() {
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var m0 = goog.vec.mat3f.setFromValues(
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goog.vec.mat3f.create(), 1, 2, 3, 4, 5, 6, 7, 8, 9);
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var m1 = goog.vec.mat3f.create();
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goog.vec.mat3f.multScalar(m0, 5, m1);
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assertElementsEquals([1, 2, 3, 4, 5, 6, 7, 8, 9], m0);
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assertElementsEquals([5, 10, 15, 20, 25, 30, 35, 40, 45], m1);
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goog.vec.mat3f.multScalar(m0, 5, m0);
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assertElementsEquals([5, 10, 15, 20, 25, 30, 35, 40, 45], m0);
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}
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function testMultMat() {
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var m0 = goog.vec.mat3f.setFromValues(
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goog.vec.mat3f.create(), 1, 2, 3, 4, 5, 6, 7, 8, 9);
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var m1 = goog.vec.mat3f.setFromValues(
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goog.vec.mat3f.create(), 1, 2, 3, 4, 5, 6, 7, 8, 9);
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var m2 = goog.vec.mat3f.create();
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goog.vec.mat3f.multMat(m0, m1, m2);
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assertElementsEquals([30, 36, 42, 66, 81, 96, 102, 126, 150], m2);
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goog.vec.mat3f.addMat(m0, m1, m1);
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goog.vec.mat3f.multMat(m0, m1, m1);
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assertElementsEquals([60, 72, 84, 132, 162, 192, 204, 252, 300], m1);
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}
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function testTranspose() {
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var m0 = goog.vec.mat3f.setFromValues(
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goog.vec.mat3f.create(), 1, 2, 3, 4, 5, 6, 7, 8, 9);
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var m1 = goog.vec.mat3f.create();
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goog.vec.mat3f.transpose(m0, m1);
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assertElementsEquals([1, 4, 7, 2, 5, 8, 3, 6, 9], m1);
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goog.vec.mat3f.transpose(m1, m1);
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assertElementsEquals([1, 2, 3, 4, 5, 6, 7, 8, 9], m1);
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}
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function testInvert() {
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var m0 = goog.vec.mat3f.setFromValues(
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goog.vec.mat3f.create(), 1, 1, 1, 1, 1, 1, 1, 1, 1);
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assertFalse(goog.vec.mat3f.invert(m0, m0));
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assertElementsEquals([1, 1, 1, 1, 1, 1, 1, 1, 1], m0);
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goog.vec.mat3f.setFromValues(m0, 1, 2, 3, 1, 3, 4, 3, 4, 5);
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assertTrue(goog.vec.mat3f.invert(m0, m0));
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assertElementsEquals([0.5, -1.0, 0.5, -3.5, 2.0, 0.5, 2.5, -1.0, -0.5], m0);
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goog.vec.mat3f.makeScale(m0, .01, .01, .01);
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assertTrue(goog.vec.mat3f.invert(m0, m0));
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var m1 = goog.vec.mat3f.create();
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goog.vec.mat3f.makeScale(m1, 100, 100, 100);
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assertElementsEquals(m1, m0);
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}
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function testEquals() {
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var m0 = goog.vec.mat3f.setFromValues(
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goog.vec.mat3f.create(), 1, 2, 3, 4, 5, 6, 7, 8, 9);
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var m1 = goog.vec.mat3f.setFromArray(goog.vec.mat3f.create(), m0);
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assertTrue(goog.vec.mat3f.equals(m0, m1));
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assertTrue(goog.vec.mat3f.equals(m1, m0));
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for (var i = 0; i < 9; i++) {
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m1[i] = 15;
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assertFalse(goog.vec.mat3f.equals(m0, m1));
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assertFalse(goog.vec.mat3f.equals(m1, m0));
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m1[i] = i + 1;
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}
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}
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function testMultVec3() {
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var m0 = goog.vec.mat3f.setFromValues(
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goog.vec.mat3f.create(), 1, 2, 3, 4, 5, 6, 7, 8, 9);
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var v0 = [1, 2, 3];
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var v1 = [0, 0, 0];
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goog.vec.mat3f.multVec3(m0, v0, v1);
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assertElementsEquals([30, 36, 42], v1);
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goog.vec.mat3f.multVec3(m0, v0, v0);
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assertElementsEquals([30, 36, 42], v0);
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}
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function testSetValues() {
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var a0 = goog.vec.mat3f.create();
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assertElementsEquals([0, 0, 0, 0, 0, 0, 0, 0, 0], a0);
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goog.vec.mat3f.setFromValues(a0, 1, 2, 3, 4, 5, 6, 7, 8, 9);
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assertElementsEquals([1, 2, 3, 4, 5, 6, 7, 8, 9], a0);
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var a1 = goog.vec.mat3f.create();
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goog.vec.mat3f.setDiagonalValues(a1, 1, 2, 3);
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assertElementsEquals([1, 0, 0, 0, 2, 0, 0, 0, 3], a1);
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goog.vec.mat3f.setColumnValues(a1, 0, 2, 3, 4);
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goog.vec.mat3f.setColumnValues(a1, 1, 5, 6, 7);
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goog.vec.mat3f.setColumnValues(a1, 2, 8, 9, 1);
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assertElementsEquals([2, 3, 4, 5, 6, 7, 8, 9, 1], a1);
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goog.vec.mat3f.setRowValues(a1, 0, 1, 4, 7);
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goog.vec.mat3f.setRowValues(a1, 1, 2, 5, 8);
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goog.vec.mat3f.setRowValues(a1, 2, 3, 6, 9);
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assertElementsEquals([1, 2, 3, 4, 5, 6, 7, 8, 9], a1);
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}
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function testMakeTranslate() {
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var m0 = goog.vec.mat3f.create();
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goog.vec.mat3f.makeTranslate(m0, 3, 4);
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assertElementsEquals([1, 0, 0, 0, 1, 0, 3, 4, 1], m0);
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}
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function testMakeScale() {
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var m0 = goog.vec.mat3f.create();
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goog.vec.mat3f.makeScale(m0, 3, 4, 5);
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assertElementsEquals([3, 0, 0, 0, 4, 0, 0, 0, 5], m0);
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}
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function testMakeRotate() {
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var m0 = goog.vec.mat3f.create();
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goog.vec.mat3f.makeRotate(m0, Math.PI / 2, 0, 0, 1);
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var v0 = [0, 1, 0, -1, 0, 0, 0, 0, 1];
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assertElementsRoughlyEqual(m0, v0, goog.vec.EPSILON);
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var m1 = goog.vec.mat3f.create();
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goog.vec.mat3f.makeRotate(m1, -Math.PI / 4, 0, 0, 1);
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goog.vec.mat3f.multMat(m0, m1, m1);
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var v1 = [0.7071068, 0.7071068, 0, -0.7071068, 0.7071068, 0, 0, 0, 1];
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assertElementsRoughlyEqual(m1, v1, goog.vec.EPSILON);
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}
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function testMakeRotateX() {
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var m0 = goog.vec.mat3f.create();
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var m1 = goog.vec.mat3f.create()
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goog.vec.mat3f.makeRotateX(m0, Math.PI / 7);
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goog.vec.mat3f.makeRotate(m1, Math.PI / 7, 1, 0, 0);
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assertElementsRoughlyEqual(m0, m1, goog.vec.EPSILON);
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}
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function testMakeRotateY() {
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var m0 = goog.vec.mat3f.create();
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var m1 = goog.vec.mat3f.create()
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goog.vec.mat3f.makeRotateY(m0, Math.PI / 7);
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goog.vec.mat3f.makeRotate(m1, Math.PI / 7, 0, 1, 0);
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assertElementsRoughlyEqual(m0, m1, goog.vec.EPSILON);
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}
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function testMakeRotateZ() {
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var m0 = goog.vec.mat3f.create();
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var m1 = goog.vec.mat3f.create()
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goog.vec.mat3f.makeRotateZ(m0, Math.PI / 7);
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goog.vec.mat3f.makeRotate(m1, Math.PI / 7, 0, 0, 1);
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assertElementsRoughlyEqual(m0, m1, goog.vec.EPSILON);
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}
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function testRotate() {
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var m0 = goog.vec.mat3f.makeIdentity(goog.vec.mat3f.create());
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goog.vec.mat3f.rotate(m0, Math.PI / 2, 0, 0, 1);
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assertElementsRoughlyEqual(
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[0, 1, 0, -1, 0, 0, 0, 0, 1],
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m0, goog.vec.EPSILON);
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goog.vec.mat3f.rotate(m0, -Math.PI / 4, 0, 0, 1);
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assertElementsRoughlyEqual(
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[0.7071068, 0.7071068, 0,
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-0.7071068, 0.7071068, 0,
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0, 0, 1],
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m0, goog.vec.EPSILON);
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}
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function testRotateX() {
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var m0 = goog.vec.mat3f.create();
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var m1 = goog.vec.mat3f.setFromArray(goog.vec.mat3f.create(), randommat3f);
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goog.vec.mat3f.makeRotateX(m0, Math.PI / 7);
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goog.vec.mat3f.multMat(m1, m0, m0);
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goog.vec.mat3f.rotateX(m1, Math.PI / 7);
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assertElementsRoughlyEqual(m0, m1, goog.vec.EPSILON);
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}
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function testRotateY() {
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var m0 = goog.vec.mat3f.create();
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var m1 = goog.vec.mat3f.setFromArray(goog.vec.mat3f.create(), randommat3f);
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goog.vec.mat3f.makeRotateY(m0, Math.PI / 7);
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goog.vec.mat3f.multMat(m1, m0, m0);
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goog.vec.mat3f.rotateY(m1, Math.PI / 7);
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assertElementsRoughlyEqual(m0, m1, goog.vec.EPSILON);
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}
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function testRotateZ() {
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var m0 = goog.vec.mat3f.create();
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var m1 = goog.vec.mat3f.setFromArray(goog.vec.mat3f.create(), randommat3f);
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goog.vec.mat3f.makeRotateZ(m0, Math.PI / 7);
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goog.vec.mat3f.multMat(m1, m0, m0);
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goog.vec.mat3f.rotateZ(m1, Math.PI / 7);
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assertElementsRoughlyEqual(m0, m1, goog.vec.EPSILON);
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}
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function testMakeEulerZXZ() {
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var m0 = goog.vec.mat3f.create();
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var roll = 0.200982 * 2 * Math.PI;
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var tilt = 0.915833 * Math.PI;
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var yaw = 0.839392 * 2 * Math.PI;
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goog.vec.mat3f.makeRotate(m0, roll, 0, 0, 1);
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goog.vec.mat3f.rotate(m0, tilt, 1, 0, 0);
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goog.vec.mat3f.rotate(m0, yaw, 0, 0, 1);
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var m1 = goog.vec.mat3f.create();
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goog.vec.mat3f.makeEulerZXZ(m1, roll, tilt, yaw);
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assertElementsRoughlyEqual(m0, m1, goog.vec.EPSILON);
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var euler = [0, 0, 0];
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goog.vec.mat3f.toEulerZXZ(m0, euler);
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assertRoughlyEquals(roll, euler[0], goog.vec.EPSILON);
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assertRoughlyEquals(tilt, euler[1], goog.vec.EPSILON);
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assertRoughlyEquals(yaw, euler[2], goog.vec.EPSILON);
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// Test negative tilt now.
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goog.vec.mat3f.makeRotate(m0, roll, 0, 0, 1);
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goog.vec.mat3f.rotate(m0, -tilt, 1, 0, 0);
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goog.vec.mat3f.rotate(m0, yaw, 0, 0, 1);
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goog.vec.mat3f.makeEulerZXZ(m1, roll, -tilt, yaw);
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assertElementsRoughlyEqual(m0, m1, goog.vec.EPSILON);
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var euler = [0, 0, 0];
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goog.vec.mat3f.toEulerZXZ(m0, euler, true);
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assertRoughlyEquals(roll, euler[0], goog.vec.EPSILON);
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assertRoughlyEquals(-tilt, euler[1], goog.vec.EPSILON);
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assertRoughlyEquals(yaw, euler[2], goog.vec.EPSILON);
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}
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function testEulerZXZExtrema() {
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var m0 = goog.vec.mat3f.setFromArray(goog.vec.mat3f.create(),
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[1, 0, 0, 0, 0, -1, 0, 1, 0]);
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var m1 = goog.vec.mat3f.setFromArray(goog.vec.mat3f.create(),
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[0, 0, 0, 0, 0, 0, 0, 0, 0]);
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var euler = [0, 0, 0];
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goog.vec.mat3f.toEulerZXZ(m0, euler);
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assertElementsRoughlyEqual(
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[Math.PI, Math.PI / 2, Math.PI], euler, goog.vec.EPSILON);
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goog.vec.mat3f.makeEulerZXZ(m1, euler[0], euler[1], euler[2]);
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assertElementsRoughlyEqual(m0, m1, goog.vec.EPSILON);
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}
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</script>
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</body>
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