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-<!DOCTYPE html>
-<html>
-<!--
-Copyright 2011 The Closure Library Authors. All Rights Reserved.
-
-Use of this source code is governed by the Apache License, Version 2.0.
-See the COPYING file for details.
--->
-<head>
-<meta http-equiv="X-UA-Compatible" content="IE=edge">
-<title>Closure Unit Tests - goog.vec.Vec3</title>
-<script src="../base.js"></script>
-<script>
- goog.require('goog.vec.Float32Array');
- goog.require('goog.vec.Matrix3');
- goog.require('goog.testing.jsunit');
-</script>
-</head>
-<body>
-<script>
-
- function testConstructor() {
- var m0 = goog.vec.Matrix3.create();
- assertElementsEquals([0, 0, 0, 0, 0, 0, 0, 0, 0], m0);
-
- var m1 = goog.vec.Matrix3.createFromArray([1, 2, 3, 4, 5, 6, 7, 8, 9]);
- assertElementsEquals([1, 2, 3, 4, 5, 6, 7, 8, 9], m1);
-
- var m2 = goog.vec.Matrix3.createFromArray(m1);
- assertElementsEquals([1, 2, 3, 4, 5, 6, 7, 8, 9], m1);
- assertElementsEquals([1, 2, 3, 4, 5, 6, 7, 8, 9], m2);
-
- var m3 = goog.vec.Matrix3.createFromValues(1, 2, 3, 4, 5, 6, 7, 8, 9);
- assertElementsEquals([1, 2, 3, 4, 5, 6, 7, 8, 9], m3);
-
- var m4 = goog.vec.Matrix3.createIdentity();
- assertElementsEquals([1, 0, 0, 0, 1, 0, 0, 0, 1], m4);
- }
-
- function testSet() {
- var m0 = goog.vec.Matrix3.create();
- var m1 = goog.vec.Matrix3.createFromArray([1, 2, 3, 4, 5, 6, 7, 8, 9]);
- goog.vec.Matrix3.setFromArray(m0, m1);
- assertElementsEquals([1, 2, 3, 4, 5, 6, 7, 8, 9], m0);
-
- goog.vec.Matrix3.setFromValues(m0, 2, 3, 4, 5, 6, 7, 8, 9, 10);
- assertElementsEquals([2, 3, 4, 5, 6, 7, 8, 9, 10], m0);
- }
-
- function testSetDiagonal() {
- var m0 = goog.vec.Matrix3.create();
- goog.vec.Matrix3.setDiagonalValues(m0, 1, 2, 3);
- assertElementsEquals([1, 0, 0, 0, 2, 0, 0, 0, 3], m0);
-
- goog.vec.Matrix3.setDiagonal(m0, [4, 5, 6]);
- assertElementsEquals([4, 0, 0, 0, 5, 0, 0, 0, 6], m0);
- }
-
- function testSetGetColumn() {
- var m0 = goog.vec.Matrix3.create();
- goog.vec.Matrix3.setColumn(m0, 0, [1, 2, 3]);
- goog.vec.Matrix3.setColumn(m0, 1, [4, 5, 6]);
- goog.vec.Matrix3.setColumn(m0, 2, [7, 8, 9]);
- assertElementsEquals([1, 2, 3, 4, 5, 6, 7, 8, 9], m0);
-
- var v0 = [0, 0, 0];
- goog.vec.Matrix3.getColumn(m0, 0, v0);
- assertElementsEquals([1, 2, 3], v0);
- goog.vec.Matrix3.getColumn(m0, 1, v0);
- assertElementsEquals([4, 5, 6], v0);
- goog.vec.Matrix3.getColumn(m0, 2, v0);
- assertElementsEquals([7, 8, 9], v0);
- }
-
- function testSetGetColumns() {
- var m0 = goog.vec.Matrix3.create();
- goog.vec.Matrix3.setColumns(m0, [1, 2, 3], [4, 5, 6], [7, 8, 9]);
- assertElementsEquals([1, 2, 3, 4, 5, 6, 7, 8, 9], m0);
-
- var v0 = [0, 0, 0], v1 = [0, 0, 0], v2 = [0, 0, 0];
- goog.vec.Matrix3.getColumns(m0, v0, v1, v2);
- assertElementsEquals([1, 2, 3], v0);
- assertElementsEquals([4, 5, 6], v1);
- assertElementsEquals([7, 8, 9], v2);
- }
-
- function testSetGetRow() {
- var m0 = goog.vec.Matrix3.create();
- goog.vec.Matrix3.setRow(m0, 0, [1, 2, 3]);
- goog.vec.Matrix3.setRow(m0, 1, [4, 5, 6]);
- goog.vec.Matrix3.setRow(m0, 2, [7, 8, 9]);
- assertElementsEquals([1, 4, 7, 2, 5, 8, 3, 6, 9], m0);
-
- var v0 = [0, 0, 0];
- goog.vec.Matrix3.getRow(m0, 0, v0);
- assertElementsEquals([1, 2, 3], v0);
- goog.vec.Matrix3.getRow(m0, 1, v0);
- assertElementsEquals([4, 5, 6], v0);
- goog.vec.Matrix3.getRow(m0, 2, v0);
- assertElementsEquals([7, 8, 9], v0);
- }
-
- function testSetGetRows() {
- var m0 = goog.vec.Matrix3.create();
- goog.vec.Matrix3.setRows(m0, [1, 2, 3], [4, 5, 6], [7, 8, 9]);
- assertElementsEquals([1, 4, 7, 2, 5, 8, 3, 6, 9], m0);
-
- var v0 = [0, 0, 0], v1 = [0, 0, 0], v2 = [0, 0, 0];
- goog.vec.Matrix3.getRows(m0, v0, v1, v2);
- assertElementsEquals([1, 2, 3], v0);
- assertElementsEquals([4, 5, 6], v1);
- assertElementsEquals([7, 8, 9], v2);
- }
-
- function testSetRowMajorArray() {
- var m0 = goog.vec.Matrix3.create();
- goog.vec.Matrix3.setFromRowMajorArray(
- m0, [1, 2, 3, 4, 5, 6, 7, 8, 9]);
- assertElementsEquals([1, 4, 7, 2, 5, 8, 3, 6, 9], m0);
- }
-
- function testSetZero() {
- var m0 = goog.vec.Matrix3.createFromArray([1, 2, 3, 4, 5, 6, 7, 8, 9]);
- assertElementsEquals([1, 2, 3, 4, 5, 6, 7, 8, 9], m0);
- goog.vec.Matrix3.setZero(m0);
- assertElementsEquals([0, 0, 0, 0, 0, 0, 0, 0, 0], m0);
- }
-
- function testSetIdentity() {
- var m0 = goog.vec.Matrix3.create();
- goog.vec.Matrix3.setIdentity(m0);
- assertElementsEquals([1, 0, 0, 0, 1, 0, 0, 0, 1], m0);
- }
-
- function testSetGetElement() {
- var m0 = goog.vec.Matrix3.create();
- for (var r = 0; r < 3; r++) {
- for (var c = 0; c < 3; c++) {
- var value = c * 3 + r + 1;
- goog.vec.Matrix3.setElement(m0, r, c, value);
- assertEquals(value, goog.vec.Matrix3.getElement(m0, r, c));
- }
- }
- assertElementsEquals([1, 2, 3, 4, 5, 6, 7, 8, 9], m0);
- }
-
- function testAdd() {
- var m0 = goog.vec.Matrix3.createFromValues(1, 2, 3, 4, 5, 6, 7, 8, 9);
- var m1 = goog.vec.Matrix3.createFromValues(3, 4, 5, 6, 7, 8, 9, 1, 2);
- var m2 = goog.vec.Matrix3.create();
- goog.vec.Matrix3.add(m0, m1, m2);
- assertElementsEquals([1, 2, 3, 4, 5, 6, 7, 8, 9], m0);
- assertElementsEquals([3, 4, 5, 6, 7, 8, 9, 1, 2], m1);
- assertElementsEquals([4, 6, 8, 10, 12, 14, 16, 9, 11], m2);
-
- goog.vec.Matrix3.add(m0, m1, m0);
- assertElementsEquals([3, 4, 5, 6, 7, 8, 9, 1, 2], m1);
- assertElementsEquals([4, 6, 8, 10, 12, 14, 16, 9, 11], m0);
- }
-
- function testSubtract() {
- var m0 = goog.vec.Matrix3.createFromValues(1, 2, 3, 4, 5, 6, 7, 8, 9);
- var m1 = goog.vec.Matrix3.createFromValues(3, 4, 5, 6, 7, 8, 9, 1, 2);
- var m2 = goog.vec.Matrix3.create();
-
- goog.vec.Matrix3.subtract(m0, m1, m2);
- assertElementsEquals([1, 2, 3, 4, 5, 6, 7, 8, 9], m0);
- assertElementsEquals([3, 4, 5, 6, 7, 8, 9, 1, 2], m1);
- assertElementsEquals([-2, -2, -2, -2, -2, -2, -2, 7, 7], m2);
-
- goog.vec.Matrix3.subtract(m1, m0, m1);
- assertElementsEquals([1, 2, 3, 4, 5, 6, 7, 8, 9], m0);
- assertElementsEquals([2, 2, 2, 2, 2, 2, 2, -7, -7], m1);
- }
-
- function testScale() {
- var m0 = goog.vec.Matrix3.createFromValues(1, 2, 3, 4, 5, 6, 7, 8, 9);
- var m1 = goog.vec.Matrix3.create();
-
- goog.vec.Matrix3.scale(m0, 5, m1);
- assertElementsEquals([1, 2, 3, 4, 5, 6, 7, 8, 9], m0);
- assertElementsEquals([5, 10, 15, 20, 25, 30, 35, 40, 45], m1);
-
- goog.vec.Matrix3.scale(m0, 5, m0);
- assertElementsEquals([5, 10, 15, 20, 25, 30, 35, 40, 45], m0);
- }
-
- function testMultMat() {
- var m0 = goog.vec.Matrix3.createFromValues(1, 2, 3, 4, 5, 6, 7, 8, 9);
- var m1 = goog.vec.Matrix3.createFromValues(1, 2, 3, 4, 5, 6, 7, 8, 9);
- var m2 = goog.vec.Matrix3.create();
-
- goog.vec.Matrix3.multMat(m0, m1, m2);
- assertElementsEquals([30, 36, 42, 66, 81, 96, 102, 126, 150], m2);
-
- goog.vec.Matrix3.add(m0, m1, m1);
- goog.vec.Matrix3.multMat(m0, m1, m1);
- assertElementsEquals([60, 72, 84, 132, 162, 192, 204, 252, 300], m1);
- }
-
- function testTranspose() {
- var m0 = goog.vec.Matrix3.createFromValues(1, 2, 3, 4, 5, 6, 7, 8, 9);
- var m1 = goog.vec.Matrix3.create();
- goog.vec.Matrix3.transpose(m0, m1);
- assertElementsEquals([1, 4, 7, 2, 5, 8, 3, 6, 9], m1);
- goog.vec.Matrix3.transpose(m1, m1);
- assertElementsEquals([1, 2, 3, 4, 5, 6, 7, 8, 9], m1);
- }
-
- function testInvert() {
- var m0 = goog.vec.Matrix3.createFromValues(1, 1, 1, 1, 1, 1, 1, 1, 1);
- assertFalse(goog.vec.Matrix3.invert(m0, m0));
- assertElementsEquals([1, 1, 1, 1, 1, 1, 1, 1, 1], m0);
-
- goog.vec.Matrix3.setFromValues(m0, 1, 2, 3, 1, 3, 4, 3, 4, 5);
- assertTrue(goog.vec.Matrix3.invert(m0, m0));
- assertElementsEquals([0.5, -1.0, 0.5, -3.5, 2.0, 0.5, 2.5, -1.0, -0.5], m0);
-
- goog.vec.Matrix3.makeScale(m0, .01, .01, .01);
- assertTrue(goog.vec.Matrix3.invert(m0, m0));
- var m1 = goog.vec.Matrix3.create();
- goog.vec.Matrix3.makeScale(m1, 100, 100, 100);
- assertElementsEquals(m1, m0);
- }
-
- function testEquals() {
- var m0 = goog.vec.Matrix3.createFromValues(1, 2, 3, 4, 5, 6, 7, 8, 9);
- var m1 = goog.vec.Matrix3.createFromArray(m0);
- assertTrue(goog.vec.Matrix3.equals(m0, m1));
- assertTrue(goog.vec.Matrix3.equals(m1, m0));
- for (var i = 0; i < 9; i++) {
- m1[i] = 15;
- assertFalse(goog.vec.Matrix3.equals(m0, m1));
- assertFalse(goog.vec.Matrix3.equals(m1, m0));
- m1[i] = i + 1;
- }
- }
-
- function testMultVec3() {
- var m0 = goog.vec.Matrix3.createFromValues(1, 2, 3, 4, 5, 6, 7, 8, 9);
- var v0 = [1, 2, 3];
- var v1 = [0, 0, 0];
-
- goog.vec.Matrix3.multVec3(m0, v0, v1);
- assertElementsEquals([30, 36, 42], v1);
- goog.vec.Matrix3.multVec3(m0, v0, v0);
- assertElementsEquals([30, 36, 42], v0);
- }
-
- function testSetValues() {
- var a0 = goog.vec.Matrix3.create();
- assertElementsEquals([0, 0, 0, 0, 0, 0, 0, 0, 0], a0);
- goog.vec.Matrix3.setFromValues(a0, 1, 2, 3, 4, 5, 6, 7, 8, 9);
- assertElementsEquals([1, 2, 3, 4, 5, 6, 7, 8, 9], a0);
-
- var a1 = goog.vec.Matrix3.create();
- goog.vec.Matrix3.setDiagonalValues(a1, 1, 2, 3);
- assertElementsEquals([1, 0, 0, 0, 2, 0, 0, 0, 3], a1);
-
- goog.vec.Matrix3.setColumnValues(a1, 0, 2, 3, 4);
- goog.vec.Matrix3.setColumnValues(a1, 1, 5, 6, 7);
- goog.vec.Matrix3.setColumnValues(a1, 2, 8, 9, 1);
- assertElementsEquals([2, 3, 4, 5, 6, 7, 8, 9, 1], a1);
-
- goog.vec.Matrix3.setRowValues(a1, 0, 1, 4, 7);
- goog.vec.Matrix3.setRowValues(a1, 1, 2, 5, 8);
- goog.vec.Matrix3.setRowValues(a1, 2, 3, 6, 9);
- assertElementsEquals([1, 2, 3, 4, 5, 6, 7, 8, 9], a1);
- }
-
- function testMakeTranslate() {
- var m0 = goog.vec.Matrix3.create();
- goog.vec.Matrix3.makeTranslate(m0, 3, 4);
- assertElementsEquals([1, 0, 0, 0, 1, 0, 3, 4, 1], m0);
- }
-
- function testMakeScale() {
- var m0 = goog.vec.Matrix3.create();
- goog.vec.Matrix3.makeScale(m0, 3, 4, 5);
- assertElementsEquals([3, 0, 0, 0, 4, 0, 0, 0, 5], m0);
- }
-
- function testMakeRotate() {
- var m0 = goog.vec.Matrix3.create();
- goog.vec.Matrix3.makeAxisAngleRotate(m0, Math.PI / 2, 0, 0, 1);
- var v0 = [0, 1, 0, -1, 0, 0, 0, 0, 1];
- for (var i = 0; i < 9; ++i) {
- assertTrue(Math.abs(m0[i] - v0[i]) < 1e-6);
- }
-
- var m1 = goog.vec.Matrix3.create();
- goog.vec.Matrix3.makeAxisAngleRotate(m1, -Math.PI / 4, 0, 0, 1);
- goog.vec.Matrix3.multMat(m0, m1, m1);
- var v1 = [0.7071068, 0.7071068, 0, -0.7071068, 0.7071068, 0, 0, 0, 1];
- for (var i = 0; i < 9; ++i) {
- assertTrue(Math.abs(m1[i] - v1[i]) < 1e-6);
- }
- }
-
-</script>
-</body>
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