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| <!-- |
| Copyright 2011 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. |
| 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> |
