diff options
Diffstat (limited to 'tests/auto/math3d/qquaternion/tst_qquaternion.cpp')
| -rw-r--r-- | tests/auto/math3d/qquaternion/tst_qquaternion.cpp | 882 |
1 files changed, 0 insertions, 882 deletions
diff --git a/tests/auto/math3d/qquaternion/tst_qquaternion.cpp b/tests/auto/math3d/qquaternion/tst_qquaternion.cpp deleted file mode 100644 index 899c5c2..0000000 --- a/tests/auto/math3d/qquaternion/tst_qquaternion.cpp +++ /dev/null @@ -1,882 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the test suite of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the either Technology Preview License Agreement or the -** Beta Release License Agreement. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain -** additional rights. These rights are described in the Nokia Qt LGPL -** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this -** package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at http://qt.nokia.com/contact. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QtTest/QtTest> -#include <QtCore/qmath.h> -#include "math3dincludes.h" - -class tst_QQuaternion : public QObject -{ - Q_OBJECT -public: - tst_QQuaternion() {} - ~tst_QQuaternion() {} - -private slots: - void create(); - - void length_data(); - void length(); - - void normalized_data(); - void normalized(); - - void normalize_data(); - void normalize(); - - void compare(); - - void add_data(); - void add(); - - void subtract_data(); - void subtract(); - - void multiply_data(); - void multiply(); - - void multiplyFactor_data(); - void multiplyFactor(); - - void divide_data(); - void divide(); - - void negate_data(); - void negate(); - - void conjugate_data(); - void conjugate(); - - void fromAxisAndAngle_data(); - void fromAxisAndAngle(); - - void slerp_data(); - void slerp(); - - void nlerp_data(); - void nlerp(); - - void properties(); - void metaTypes(); -}; - -// qFuzzyCompare isn't always "fuzzy" enough to handle conversion -// between float, double, and qreal. So create "fuzzier" compares. -static bool fuzzyCompare(float x, float y) -{ - float diff = x - y; - if (diff < 0.0f) - diff = -diff; - return (diff < 0.001); -} - -// Test the creation of QQuaternion objects in various ways: -// construct, copy, and modify. -void tst_QQuaternion::create() -{ - QQuaternion identity; - QCOMPARE(identity.x(), (qreal)0.0f); - QCOMPARE(identity.y(), (qreal)0.0f); - QCOMPARE(identity.z(), (qreal)0.0f); - QCOMPARE(identity.scalar(), (qreal)1.0f); - QVERIFY(identity.isIdentity()); - - QQuaternion v1(34.0f, 1.0f, 2.5f, -89.25f); - QCOMPARE(v1.x(), (qreal)1.0f); - QCOMPARE(v1.y(), (qreal)2.5f); - QCOMPARE(v1.z(), (qreal)-89.25f); - QCOMPARE(v1.scalar(), (qreal)34.0f); - QVERIFY(!v1.isNull()); - - QQuaternion v1i(34, 1, 2, -89); - QCOMPARE(v1i.x(), (qreal)1.0f); - QCOMPARE(v1i.y(), (qreal)2.0f); - QCOMPARE(v1i.z(), (qreal)-89.0f); - QCOMPARE(v1i.scalar(), (qreal)34.0f); - QVERIFY(!v1i.isNull()); - - QQuaternion v2(v1); - QCOMPARE(v2.x(), (qreal)1.0f); - QCOMPARE(v2.y(), (qreal)2.5f); - QCOMPARE(v2.z(), (qreal)-89.25f); - QCOMPARE(v2.scalar(), (qreal)34.0f); - QVERIFY(!v2.isNull()); - - QQuaternion v4; - QCOMPARE(v4.x(), (qreal)0.0f); - QCOMPARE(v4.y(), (qreal)0.0f); - QCOMPARE(v4.z(), (qreal)0.0f); - QCOMPARE(v4.scalar(), (qreal)1.0f); - QVERIFY(v4.isIdentity()); - v4 = v1; - QCOMPARE(v4.x(), (qreal)1.0f); - QCOMPARE(v4.y(), (qreal)2.5f); - QCOMPARE(v4.z(), (qreal)-89.25f); - QCOMPARE(v4.scalar(), (qreal)34.0f); - QVERIFY(!v4.isNull()); - - QQuaternion v9(34, QVector3D(1.0f, 2.5f, -89.25f)); - QCOMPARE(v9.x(), (qreal)1.0f); - QCOMPARE(v9.y(), (qreal)2.5f); - QCOMPARE(v9.z(), (qreal)-89.25f); - QCOMPARE(v9.scalar(), (qreal)34.0f); - QVERIFY(!v9.isNull()); - - v1.setX(3.0f); - QCOMPARE(v1.x(), (qreal)3.0f); - QCOMPARE(v1.y(), (qreal)2.5f); - QCOMPARE(v1.z(), (qreal)-89.25f); - QCOMPARE(v1.scalar(), (qreal)34.0f); - QVERIFY(!v1.isNull()); - - v1.setY(10.5f); - QCOMPARE(v1.x(), (qreal)3.0f); - QCOMPARE(v1.y(), (qreal)10.5f); - QCOMPARE(v1.z(), (qreal)-89.25f); - QCOMPARE(v1.scalar(), (qreal)34.0f); - QVERIFY(!v1.isNull()); - - v1.setZ(15.5f); - QCOMPARE(v1.x(), (qreal)3.0f); - QCOMPARE(v1.y(), (qreal)10.5f); - QCOMPARE(v1.z(), (qreal)15.5f); - QCOMPARE(v1.scalar(), (qreal)34.0f); - QVERIFY(!v1.isNull()); - - v1.setScalar(6.0f); - QCOMPARE(v1.x(), (qreal)3.0f); - QCOMPARE(v1.y(), (qreal)10.5f); - QCOMPARE(v1.z(), (qreal)15.5f); - QCOMPARE(v1.scalar(), (qreal)6.0f); - QVERIFY(!v1.isNull()); - - v1.setVector(2.0f, 6.5f, -1.25f); - QCOMPARE(v1.x(), (qreal)2.0f); - QCOMPARE(v1.y(), (qreal)6.5f); - QCOMPARE(v1.z(), (qreal)-1.25f); - QCOMPARE(v1.scalar(), (qreal)6.0f); - QVERIFY(!v1.isNull()); - QVERIFY(v1.vector() == QVector3D(2.0f, 6.5f, -1.25f)); - - v1.setVector(QVector3D(-2.0f, -6.5f, 1.25f)); - QCOMPARE(v1.x(), (qreal)-2.0f); - QCOMPARE(v1.y(), (qreal)-6.5f); - QCOMPARE(v1.z(), (qreal)1.25f); - QCOMPARE(v1.scalar(), (qreal)6.0f); - QVERIFY(!v1.isNull()); - QVERIFY(v1.vector() == QVector3D(-2.0f, -6.5f, 1.25f)); - - v1.setX(0.0f); - v1.setY(0.0f); - v1.setZ(0.0f); - v1.setScalar(0.0f); - QCOMPARE(v1.x(), (qreal)0.0f); - QCOMPARE(v1.y(), (qreal)0.0f); - QCOMPARE(v1.z(), (qreal)0.0f); - QCOMPARE(v1.scalar(), (qreal)0.0f); - QVERIFY(v1.isNull()); - - QVector4D v10 = v9.toVector4D(); - QCOMPARE(v10.x(), (qreal)1.0f); - QCOMPARE(v10.y(), (qreal)2.5f); - QCOMPARE(v10.z(), (qreal)-89.25f); - QCOMPARE(v10.w(), (qreal)34.0f); -} - -// Test length computation for quaternions. -void tst_QQuaternion::length_data() -{ - QTest::addColumn<qreal>("x"); - QTest::addColumn<qreal>("y"); - QTest::addColumn<qreal>("z"); - QTest::addColumn<qreal>("w"); - QTest::addColumn<qreal>("len"); - - QTest::newRow("null") << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f; - QTest::newRow("1x") << (qreal)1.0f << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f << (qreal)1.0f; - QTest::newRow("1y") << (qreal)0.0f << (qreal)1.0f << (qreal)0.0f << (qreal)0.0f << (qreal)1.0f; - QTest::newRow("1z") << (qreal)0.0f << (qreal)0.0f << (qreal)1.0f << (qreal)0.0f << (qreal)1.0f; - QTest::newRow("1w") << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f << (qreal)1.0f << (qreal)1.0f; - QTest::newRow("-1x") << (qreal)-1.0f << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f << (qreal)1.0f; - QTest::newRow("-1y") << (qreal)0.0f << (qreal)-1.0f << (qreal)0.0f << (qreal)0.0f << (qreal)1.0f; - QTest::newRow("-1z") << (qreal)0.0f << (qreal)0.0f << (qreal)-1.0f << (qreal)0.0f << (qreal)1.0f; - QTest::newRow("-1w") << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f << (qreal)-1.0f << (qreal)1.0f; - QTest::newRow("two") << (qreal)2.0f << (qreal)-2.0f << (qreal)2.0f << (qreal)2.0f << (qreal)qSqrt(16.0f); -} -void tst_QQuaternion::length() -{ - QFETCH(qreal, x); - QFETCH(qreal, y); - QFETCH(qreal, z); - QFETCH(qreal, w); - QFETCH(qreal, len); - - QQuaternion v(w, x, y, z); - QCOMPARE((float)(v.length()), (float)len); - QCOMPARE((float)(v.lengthSquared()), (float)(x * x + y * y + z * z + w * w)); -} - -// Test the unit vector conversion for quaternions. -void tst_QQuaternion::normalized_data() -{ - // Use the same test data as the length test. - length_data(); -} -void tst_QQuaternion::normalized() -{ - QFETCH(qreal, x); - QFETCH(qreal, y); - QFETCH(qreal, z); - QFETCH(qreal, w); - QFETCH(qreal, len); - - QQuaternion v(w, x, y, z); - QQuaternion u = v.normalized(); - if (v.isNull()) - QVERIFY(u.isNull()); - else - QCOMPARE((float)(u.length()), (float)1.0f); - QCOMPARE((float)(u.x() * len), (float)(v.x())); - QCOMPARE((float)(u.y() * len), (float)(v.y())); - QCOMPARE((float)(u.z() * len), (float)(v.z())); - QCOMPARE((float)(u.scalar() * len), (float)(v.scalar())); -} - -// Test the unit vector conversion for quaternions. -void tst_QQuaternion::normalize_data() -{ - // Use the same test data as the length test. - length_data(); -} -void tst_QQuaternion::normalize() -{ - QFETCH(qreal, x); - QFETCH(qreal, y); - QFETCH(qreal, z); - QFETCH(qreal, w); - - QQuaternion v(w, x, y, z); - bool isNull = v.isNull(); - v.normalize(); - if (isNull) - QVERIFY(v.isNull()); - else - QCOMPARE((float)(v.length()), (float)1.0f); -} - -// Test the comparison operators for quaternions. -void tst_QQuaternion::compare() -{ - QQuaternion v1(8, 1, 2, 4); - QQuaternion v2(8, 1, 2, 4); - QQuaternion v3(8, 3, 2, 4); - QQuaternion v4(8, 1, 3, 4); - QQuaternion v5(8, 1, 2, 3); - QQuaternion v6(3, 1, 2, 4); - - QVERIFY(v1 == v2); - QVERIFY(v1 != v3); - QVERIFY(v1 != v4); - QVERIFY(v1 != v5); - QVERIFY(v1 != v6); -} - -// Test addition for quaternions. -void tst_QQuaternion::add_data() -{ - QTest::addColumn<qreal>("x1"); - QTest::addColumn<qreal>("y1"); - QTest::addColumn<qreal>("z1"); - QTest::addColumn<qreal>("w1"); - QTest::addColumn<qreal>("x2"); - QTest::addColumn<qreal>("y2"); - QTest::addColumn<qreal>("z2"); - QTest::addColumn<qreal>("w2"); - QTest::addColumn<qreal>("x3"); - QTest::addColumn<qreal>("y3"); - QTest::addColumn<qreal>("z3"); - QTest::addColumn<qreal>("w3"); - - QTest::newRow("null") - << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f - << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f - << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f; - - QTest::newRow("xonly") - << (qreal)1.0f << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f - << (qreal)2.0f << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f - << (qreal)3.0f << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f; - - QTest::newRow("yonly") - << (qreal)0.0f << (qreal)1.0f << (qreal)0.0f << (qreal)0.0f - << (qreal)0.0f << (qreal)2.0f << (qreal)0.0f << (qreal)0.0f - << (qreal)0.0f << (qreal)3.0f << (qreal)0.0f << (qreal)0.0f; - - QTest::newRow("zonly") - << (qreal)0.0f << (qreal)0.0f << (qreal)1.0f << (qreal)0.0f - << (qreal)0.0f << (qreal)0.0f << (qreal)2.0f << (qreal)0.0f - << (qreal)0.0f << (qreal)0.0f << (qreal)3.0f << (qreal)0.0f; - - QTest::newRow("wonly") - << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f << (qreal)1.0f - << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f << (qreal)2.0f - << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f << (qreal)3.0f; - - QTest::newRow("all") - << (qreal)1.0f << (qreal)2.0f << (qreal)3.0f << (qreal)8.0f - << (qreal)4.0f << (qreal)5.0f << (qreal)-6.0f << (qreal)9.0f - << (qreal)5.0f << (qreal)7.0f << (qreal)-3.0f << (qreal)17.0f; -} -void tst_QQuaternion::add() -{ - QFETCH(qreal, x1); - QFETCH(qreal, y1); - QFETCH(qreal, z1); - QFETCH(qreal, w1); - QFETCH(qreal, x2); - QFETCH(qreal, y2); - QFETCH(qreal, z2); - QFETCH(qreal, w2); - QFETCH(qreal, x3); - QFETCH(qreal, y3); - QFETCH(qreal, z3); - QFETCH(qreal, w3); - - QQuaternion v1(w1, x1, y1, z1); - QQuaternion v2(w2, x2, y2, z2); - QQuaternion v3(w3, x3, y3, z3); - - QVERIFY((v1 + v2) == v3); - - QQuaternion v4(v1); - v4 += v2; - QVERIFY(v4 == v3); - - QCOMPARE(v4.x(), v1.x() + v2.x()); - QCOMPARE(v4.y(), v1.y() + v2.y()); - QCOMPARE(v4.z(), v1.z() + v2.z()); - QCOMPARE(v4.scalar(), v1.scalar() + v2.scalar()); -} - -// Test subtraction for quaternions. -void tst_QQuaternion::subtract_data() -{ - // Use the same test data as the add test. - add_data(); -} -void tst_QQuaternion::subtract() -{ - QFETCH(qreal, x1); - QFETCH(qreal, y1); - QFETCH(qreal, z1); - QFETCH(qreal, w1); - QFETCH(qreal, x2); - QFETCH(qreal, y2); - QFETCH(qreal, z2); - QFETCH(qreal, w2); - QFETCH(qreal, x3); - QFETCH(qreal, y3); - QFETCH(qreal, z3); - QFETCH(qreal, w3); - - QQuaternion v1(w1, x1, y1, z1); - QQuaternion v2(w2, x2, y2, z2); - QQuaternion v3(w3, x3, y3, z3); - - QVERIFY((v3 - v1) == v2); - QVERIFY((v3 - v2) == v1); - - QQuaternion v4(v3); - v4 -= v1; - QVERIFY(v4 == v2); - - QCOMPARE(v4.x(), v3.x() - v1.x()); - QCOMPARE(v4.y(), v3.y() - v1.y()); - QCOMPARE(v4.z(), v3.z() - v1.z()); - QCOMPARE(v4.scalar(), v3.scalar() - v1.scalar()); - - QQuaternion v5(v3); - v5 -= v2; - QVERIFY(v5 == v1); - - QCOMPARE(v5.x(), v3.x() - v2.x()); - QCOMPARE(v5.y(), v3.y() - v2.y()); - QCOMPARE(v5.z(), v3.z() - v2.z()); - QCOMPARE(v5.scalar(), v3.scalar() - v2.scalar()); -} - -// Test quaternion multiplication. -void tst_QQuaternion::multiply_data() -{ - QTest::addColumn<qreal>("x1"); - QTest::addColumn<qreal>("y1"); - QTest::addColumn<qreal>("z1"); - QTest::addColumn<qreal>("w1"); - QTest::addColumn<qreal>("x2"); - QTest::addColumn<qreal>("y2"); - QTest::addColumn<qreal>("z2"); - QTest::addColumn<qreal>("w2"); - - QTest::newRow("null") - << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f - << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f; - - QTest::newRow("unitvec") - << (qreal)1.0f << (qreal)0.0f << (qreal)0.0f << (qreal)1.0f - << (qreal)0.0f << (qreal)1.0f << (qreal)0.0f << (qreal)1.0f; - - QTest::newRow("complex") - << (qreal)1.0f << (qreal)2.0f << (qreal)3.0f << (qreal)7.0f - << (qreal)4.0f << (qreal)5.0f << (qreal)6.0f << (qreal)8.0f; -} -void tst_QQuaternion::multiply() -{ - QFETCH(qreal, x1); - QFETCH(qreal, y1); - QFETCH(qreal, z1); - QFETCH(qreal, w1); - QFETCH(qreal, x2); - QFETCH(qreal, y2); - QFETCH(qreal, z2); - QFETCH(qreal, w2); - - QQuaternion q1(w1, x1, y1, z1); - QQuaternion q2(w2, x2, y2, z2); - - // Use the simple algorithm at: - // http://www.j3d.org/matrix_faq/matrfaq_latest.html#Q53 - // to calculate the answer we expect to get. - QVector3D v1(x1, y1, z1); - QVector3D v2(x2, y2, z2); - qreal scalar = w1 * w2 - QVector3D::dotProduct(v1, v2); - QVector3D vector = w1 * v2 + w2 * v1 + QVector3D::crossProduct(v1, v2); - QQuaternion result(scalar, vector); - - QVERIFY((q1 * q2) == result); -} - -// Test multiplication by a factor for quaternions. -void tst_QQuaternion::multiplyFactor_data() -{ - QTest::addColumn<qreal>("x1"); - QTest::addColumn<qreal>("y1"); - QTest::addColumn<qreal>("z1"); - QTest::addColumn<qreal>("w1"); - QTest::addColumn<qreal>("factor"); - QTest::addColumn<qreal>("x2"); - QTest::addColumn<qreal>("y2"); - QTest::addColumn<qreal>("z2"); - QTest::addColumn<qreal>("w2"); - - QTest::newRow("null") - << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f - << (qreal)100.0f - << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f; - - QTest::newRow("xonly") - << (qreal)1.0f << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f - << (qreal)2.0f - << (qreal)2.0f << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f; - - QTest::newRow("yonly") - << (qreal)0.0f << (qreal)1.0f << (qreal)0.0f << (qreal)0.0f - << (qreal)2.0f - << (qreal)0.0f << (qreal)2.0f << (qreal)0.0f << (qreal)0.0f; - - QTest::newRow("zonly") - << (qreal)0.0f << (qreal)0.0f << (qreal)1.0f << (qreal)0.0f - << (qreal)2.0f - << (qreal)0.0f << (qreal)0.0f << (qreal)2.0f << (qreal)0.0f; - - QTest::newRow("wonly") - << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f << (qreal)1.0f - << (qreal)2.0f - << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f << (qreal)2.0f; - - QTest::newRow("all") - << (qreal)1.0f << (qreal)2.0f << (qreal)-3.0f << (qreal)4.0f - << (qreal)2.0f - << (qreal)2.0f << (qreal)4.0f << (qreal)-6.0f << (qreal)8.0f; - - QTest::newRow("allzero") - << (qreal)1.0f << (qreal)2.0f << (qreal)-3.0f << (qreal)4.0f - << (qreal)0.0f - << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f; -} -void tst_QQuaternion::multiplyFactor() -{ - QFETCH(qreal, x1); - QFETCH(qreal, y1); - QFETCH(qreal, z1); - QFETCH(qreal, w1); - QFETCH(qreal, factor); - QFETCH(qreal, x2); - QFETCH(qreal, y2); - QFETCH(qreal, z2); - QFETCH(qreal, w2); - - QQuaternion v1(w1, x1, y1, z1); - QQuaternion v2(w2, x2, y2, z2); - - QVERIFY((v1 * factor) == v2); - QVERIFY((factor * v1) == v2); - - QQuaternion v3(v1); - v3 *= factor; - QVERIFY(v3 == v2); - - QCOMPARE(v3.x(), v1.x() * factor); - QCOMPARE(v3.y(), v1.y() * factor); - QCOMPARE(v3.z(), v1.z() * factor); - QCOMPARE(v3.scalar(), v1.scalar() * factor); -} - -// Test division by a factor for quaternions. -void tst_QQuaternion::divide_data() -{ - // Use the same test data as the multiply test. - multiplyFactor_data(); -} -void tst_QQuaternion::divide() -{ - QFETCH(qreal, x1); - QFETCH(qreal, y1); - QFETCH(qreal, z1); - QFETCH(qreal, w1); - QFETCH(qreal, factor); - QFETCH(qreal, x2); - QFETCH(qreal, y2); - QFETCH(qreal, z2); - QFETCH(qreal, w2); - - QQuaternion v1(w1, x1, y1, z1); - QQuaternion v2(w2, x2, y2, z2); - - if (factor == (qreal)0.0f) - return; - - QVERIFY((v2 / factor) == v1); - - QQuaternion v3(v2); - v3 /= factor; - QVERIFY(v3 == v1); - - QCOMPARE(v3.x(), v2.x() / factor); - QCOMPARE(v3.y(), v2.y() / factor); - QCOMPARE(v3.z(), v2.z() / factor); - QCOMPARE(v3.scalar(), v2.scalar() / factor); -} - -// Test negation for quaternions. -void tst_QQuaternion::negate_data() -{ - // Use the same test data as the add test. - add_data(); -} -void tst_QQuaternion::negate() -{ - QFETCH(qreal, x1); - QFETCH(qreal, y1); - QFETCH(qreal, z1); - QFETCH(qreal, w1); - - QQuaternion v1(w1, x1, y1, z1); - QQuaternion v2(-w1, -x1, -y1, -z1); - - QVERIFY(-v1 == v2); -} - -// Test quaternion conjugate calculations. -void tst_QQuaternion::conjugate_data() -{ - // Use the same test data as the add test. - add_data(); -} -void tst_QQuaternion::conjugate() -{ - QFETCH(qreal, x1); - QFETCH(qreal, y1); - QFETCH(qreal, z1); - QFETCH(qreal, w1); - - QQuaternion v1(w1, x1, y1, z1); - QQuaternion v2(w1, -x1, -y1, -z1); - - QVERIFY(v1.conjugate() == v2); -} - -// Test quaternion creation from an axis and an angle. -void tst_QQuaternion::fromAxisAndAngle_data() -{ - QTest::addColumn<qreal>("x1"); - QTest::addColumn<qreal>("y1"); - QTest::addColumn<qreal>("z1"); - QTest::addColumn<qreal>("angle"); - - QTest::newRow("null") - << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f; - - QTest::newRow("xonly") - << (qreal)1.0f << (qreal)0.0f << (qreal)0.0f << (qreal)90.0f; - - QTest::newRow("yonly") - << (qreal)0.0f << (qreal)1.0f << (qreal)0.0f << (qreal)180.0f; - - QTest::newRow("zonly") - << (qreal)0.0f << (qreal)0.0f << (qreal)1.0f << (qreal)270.0f; - - QTest::newRow("complex") - << (qreal)1.0f << (qreal)2.0f << (qreal)-3.0f << (qreal)45.0f; -} -void tst_QQuaternion::fromAxisAndAngle() -{ - QFETCH(qreal, x1); - QFETCH(qreal, y1); - QFETCH(qreal, z1); - QFETCH(qreal, angle); - - // Use a straight-forward implementation of the algorithm at: - // http://www.j3d.org/matrix_faq/matrfaq_latest.html#Q56 - // to calculate the answer we expect to get. - QVector3D vector = QVector3D(x1, y1, z1).normalized(); - qreal sin_a = qSin((angle * M_PI / 180.0) / 2.0); - qreal cos_a = qCos((angle * M_PI / 180.0) / 2.0); - QQuaternion result((qreal)cos_a, - (qreal)(vector.x() * sin_a), - (qreal)(vector.y() * sin_a), - (qreal)(vector.z() * sin_a)); - result = result.normalized(); - - QQuaternion answer = QQuaternion::fromAxisAndAngle(QVector3D(x1, y1, z1), angle); - QVERIFY(fuzzyCompare(answer.x(), result.x())); - QVERIFY(fuzzyCompare(answer.y(), result.y())); - QVERIFY(fuzzyCompare(answer.z(), result.z())); - QVERIFY(fuzzyCompare(answer.scalar(), result.scalar())); - - answer = QQuaternion::fromAxisAndAngle(x1, y1, z1, angle); - QVERIFY(fuzzyCompare(answer.x(), result.x())); - QVERIFY(fuzzyCompare(answer.y(), result.y())); - QVERIFY(fuzzyCompare(answer.z(), result.z())); - QVERIFY(fuzzyCompare(answer.scalar(), result.scalar())); -} - -// Test spherical interpolation of quaternions. -void tst_QQuaternion::slerp_data() -{ - QTest::addColumn<qreal>("x1"); - QTest::addColumn<qreal>("y1"); - QTest::addColumn<qreal>("z1"); - QTest::addColumn<qreal>("angle1"); - QTest::addColumn<qreal>("x2"); - QTest::addColumn<qreal>("y2"); - QTest::addColumn<qreal>("z2"); - QTest::addColumn<qreal>("angle2"); - QTest::addColumn<qreal>("t"); - QTest::addColumn<qreal>("x3"); - QTest::addColumn<qreal>("y3"); - QTest::addColumn<qreal>("z3"); - QTest::addColumn<qreal>("angle3"); - - QTest::newRow("first") - << (qreal)1.0f << (qreal)2.0f << (qreal)-3.0f << (qreal)90.0f - << (qreal)1.0f << (qreal)2.0f << (qreal)-3.0f << (qreal)180.0f - << (qreal)0.0f - << (qreal)1.0f << (qreal)2.0f << (qreal)-3.0f << (qreal)90.0f; - QTest::newRow("first2") - << (qreal)1.0f << (qreal)2.0f << (qreal)-3.0f << (qreal)90.0f - << (qreal)1.0f << (qreal)2.0f << (qreal)-3.0f << (qreal)180.0f - << (qreal)-0.5f - << (qreal)1.0f << (qreal)2.0f << (qreal)-3.0f << (qreal)90.0f; - QTest::newRow("second") - << (qreal)1.0f << (qreal)2.0f << (qreal)-3.0f << (qreal)90.0f - << (qreal)1.0f << (qreal)2.0f << (qreal)-3.0f << (qreal)180.0f - << (qreal)1.0f - << (qreal)1.0f << (qreal)2.0f << (qreal)-3.0f << (qreal)180.0f; - QTest::newRow("second2") - << (qreal)1.0f << (qreal)2.0f << (qreal)-3.0f << (qreal)90.0f - << (qreal)1.0f << (qreal)2.0f << (qreal)-3.0f << (qreal)180.0f - << (qreal)1.5f - << (qreal)1.0f << (qreal)2.0f << (qreal)-3.0f << (qreal)180.0f; - QTest::newRow("middle") - << (qreal)1.0f << (qreal)2.0f << (qreal)-3.0f << (qreal)90.0f - << (qreal)1.0f << (qreal)2.0f << (qreal)-3.0f << (qreal)180.0f - << (qreal)0.5f - << (qreal)1.0f << (qreal)2.0f << (qreal)-3.0f << (qreal)135.0f; - QTest::newRow("wide angle") - << (qreal)1.0f << (qreal)2.0f << (qreal)-3.0f << (qreal)0.0f - << (qreal)1.0f << (qreal)2.0f << (qreal)-3.0f << (qreal)270.0f - << (qreal)0.5f - << (qreal)1.0f << (qreal)2.0f << (qreal)-3.0f << (qreal)-45.0f; -} -void tst_QQuaternion::slerp() -{ - QFETCH(qreal, x1); - QFETCH(qreal, y1); - QFETCH(qreal, z1); - QFETCH(qreal, angle1); - QFETCH(qreal, x2); - QFETCH(qreal, y2); - QFETCH(qreal, z2); - QFETCH(qreal, angle2); - QFETCH(qreal, t); - QFETCH(qreal, x3); - QFETCH(qreal, y3); - QFETCH(qreal, z3); - QFETCH(qreal, angle3); - - QQuaternion q1 = QQuaternion::fromAxisAndAngle(x1, y1, z1, angle1); - QQuaternion q2 = QQuaternion::fromAxisAndAngle(x2, y2, z2, angle2); - QQuaternion q3 = QQuaternion::fromAxisAndAngle(x3, y3, z3, angle3); - - QQuaternion result = QQuaternion::slerp(q1, q2, t); - - QVERIFY(fuzzyCompare(result.x(), q3.x())); - QVERIFY(fuzzyCompare(result.y(), q3.y())); - QVERIFY(fuzzyCompare(result.z(), q3.z())); - QVERIFY(fuzzyCompare(result.scalar(), q3.scalar())); -} - -// Test normalized linear interpolation of quaternions. -void tst_QQuaternion::nlerp_data() -{ - slerp_data(); -} -void tst_QQuaternion::nlerp() -{ - QFETCH(qreal, x1); - QFETCH(qreal, y1); - QFETCH(qreal, z1); - QFETCH(qreal, angle1); - QFETCH(qreal, x2); - QFETCH(qreal, y2); - QFETCH(qreal, z2); - QFETCH(qreal, angle2); - QFETCH(qreal, t); - - QQuaternion q1 = QQuaternion::fromAxisAndAngle(x1, y1, z1, angle1); - QQuaternion q2 = QQuaternion::fromAxisAndAngle(x2, y2, z2, angle2); - - QQuaternion result = QQuaternion::nlerp(q1, q2, t); - - qreal resultx, resulty, resultz, resultscalar; - if (t <= 0.0f) { - resultx = q1.x(); - resulty = q1.y(); - resultz = q1.z(); - resultscalar = q1.scalar(); - } else if (t >= 1.0f) { - resultx = q2.x(); - resulty = q2.y(); - resultz = q2.z(); - resultscalar = q2.scalar(); - } else if (qAbs(angle1 - angle2) <= 180.f) { - resultx = q1.x() * (1 - t) + q2.x() * t; - resulty = q1.y() * (1 - t) + q2.y() * t; - resultz = q1.z() * (1 - t) + q2.z() * t; - resultscalar = q1.scalar() * (1 - t) + q2.scalar() * t; - } else { - // Angle greater than 180 degrees: negate q2. - resultx = q1.x() * (1 - t) - q2.x() * t; - resulty = q1.y() * (1 - t) - q2.y() * t; - resultz = q1.z() * (1 - t) - q2.z() * t; - resultscalar = q1.scalar() * (1 - t) - q2.scalar() * t; - } - - QQuaternion q3 = QQuaternion(resultscalar, resultx, resulty, resultz).normalized(); - - QVERIFY(fuzzyCompare(result.x(), q3.x())); - QVERIFY(fuzzyCompare(result.y(), q3.y())); - QVERIFY(fuzzyCompare(result.z(), q3.z())); - QVERIFY(fuzzyCompare(result.scalar(), q3.scalar())); -} - -class tst_QQuaternionProperties : public QObject -{ - Q_OBJECT - Q_PROPERTY(QQuaternion quaternion READ quaternion WRITE setQuaternion) -public: - tst_QQuaternionProperties(QObject *parent = 0) : QObject(parent) {} - - QQuaternion quaternion() const { return q; } - void setQuaternion(const QQuaternion& value) { q = value; } - -private: - QQuaternion q; -}; - -// Test getting and setting quaternion properties via the metaobject system. -void tst_QQuaternion::properties() -{ - tst_QQuaternionProperties obj; - - obj.setQuaternion(QQuaternion(6.0f, 7.0f, 8.0f, 9.0f)); - - QQuaternion q = qVariantValue<QQuaternion>(obj.property("quaternion")); - QCOMPARE(q.scalar(), (qreal)6.0f); - QCOMPARE(q.x(), (qreal)7.0f); - QCOMPARE(q.y(), (qreal)8.0f); - QCOMPARE(q.z(), (qreal)9.0f); - - obj.setProperty("quaternion", - qVariantFromValue(QQuaternion(-6.0f, -7.0f, -8.0f, -9.0f))); - - q = qVariantValue<QQuaternion>(obj.property("quaternion")); - QCOMPARE(q.scalar(), (qreal)-6.0f); - QCOMPARE(q.x(), (qreal)-7.0f); - QCOMPARE(q.y(), (qreal)-8.0f); - QCOMPARE(q.z(), (qreal)-9.0f); -} - -void tst_QQuaternion::metaTypes() -{ - QVERIFY(QMetaType::type("QQuaternion") == QMetaType::QQuaternion); - - QCOMPARE(QByteArray(QMetaType::typeName(QMetaType::QQuaternion)), - QByteArray("QQuaternion")); - - QVERIFY(QMetaType::isRegistered(QMetaType::QQuaternion)); - - QVERIFY(qMetaTypeId<QQuaternion>() == QMetaType::QQuaternion); -} - -QTEST_APPLESS_MAIN(tst_QQuaternion) - -#include "tst_qquaternion.moc" |