mirror of https://github.com/mosra/magnum.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
105 lines
3.1 KiB
105 lines
3.1 KiB
/* |
|
Copyright © 2010, 2011, 2012 Vladimír Vondruš <mosra@centrum.cz> |
|
|
|
This file is part of Magnum. |
|
|
|
Magnum is free software: you can redistribute it and/or modify |
|
it under the terms of the GNU Lesser General Public License version 3 |
|
only, as published by the Free Software Foundation. |
|
|
|
Magnum is distributed in the hope that it will be useful, |
|
but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
GNU Lesser General Public License version 3 for more details. |
|
*/ |
|
|
|
#include <sstream> |
|
#include <TestSuite/Tester.h> |
|
|
|
#include "Math/Quaternion.h" |
|
|
|
namespace Magnum { namespace Math { namespace Test { |
|
|
|
class QuaternionTest: public Corrade::TestSuite::Tester { |
|
public: |
|
explicit QuaternionTest(); |
|
|
|
void construct(); |
|
void multiplyDivideScalar(); |
|
void multiply(); |
|
void length(); |
|
void normalized(); |
|
void conjugated(); |
|
void inverted(); |
|
|
|
void debug(); |
|
}; |
|
|
|
typedef Math::Quaternion<float> Quaternion; |
|
typedef Math::Vector3<float> Vector3; |
|
|
|
QuaternionTest::QuaternionTest() { |
|
addTests(&QuaternionTest::construct, |
|
&QuaternionTest::multiplyDivideScalar, |
|
&QuaternionTest::multiply, |
|
&QuaternionTest::length, |
|
&QuaternionTest::normalized, |
|
&QuaternionTest::conjugated, |
|
&QuaternionTest::inverted, |
|
&QuaternionTest::debug); |
|
} |
|
|
|
void QuaternionTest::construct() { |
|
Quaternion q({1.0f, 2.0f, 3.0f}, -4.0f); |
|
CORRADE_COMPARE(q.vector(), Vector3(1.0f, 2.0f, 3.0f)); |
|
CORRADE_COMPARE(q.scalar(), -4.0f); |
|
|
|
CORRADE_COMPARE(Quaternion(), Quaternion({0.0f, 0.0f, 0.0f}, {1.0f})); |
|
} |
|
|
|
void QuaternionTest::multiplyDivideScalar() { |
|
Quaternion a({1.0f, 3.0f, -2.0f}, -4.0f); |
|
Quaternion b({-1.5f, -4.5f, 3.0f}, 6.0f); |
|
|
|
CORRADE_COMPARE(a*-1.5f, b); |
|
CORRADE_COMPARE(b/-1.5f, a); |
|
} |
|
|
|
void QuaternionTest::multiply() { |
|
CORRADE_COMPARE(Quaternion({-6.0f, -9.0f, 15.0f}, 0.5f)*Quaternion({2.0f, 3.0f, -5.0f}, 2.0f), |
|
Quaternion({-11.0f, -16.5f, 27.5f}, 115.0f)); |
|
} |
|
|
|
void QuaternionTest::length() { |
|
CORRADE_COMPARE(Quaternion({1.0f, 3.0f, -2.0f}, -4.0f).length(), std::sqrt(30.0f)); |
|
} |
|
|
|
void QuaternionTest::normalized() { |
|
CORRADE_COMPARE(Quaternion({1.0f, 3.0f, -2.0f}, -4.0f).normalized(), |
|
Quaternion({1.0f, 3.0f, -2.0f}, -4.0f)/std::sqrt(30.0f)); |
|
} |
|
|
|
void QuaternionTest::conjugated() { |
|
CORRADE_COMPARE(Quaternion({1.0f, 3.0f, -2.0f}, -4.0f).conjugated(), |
|
Quaternion({-1.0f, -3.0f, 2.0f}, -4.0f)); |
|
} |
|
|
|
void QuaternionTest::inverted() { |
|
Quaternion a = Quaternion({1.0f, 3.0f, -2.0f}, -4.0f); |
|
Quaternion inverted = a.inverted(); |
|
|
|
CORRADE_COMPARE(a*inverted, Quaternion()); |
|
CORRADE_COMPARE(inverted*a, Quaternion()); |
|
CORRADE_COMPARE(inverted, Quaternion({-1.0f, -3.0f, 2.0f}, -4.0f)/30.0f); |
|
} |
|
|
|
void QuaternionTest::debug() { |
|
std::ostringstream o; |
|
|
|
Corrade::Utility::Debug(&o) << Quaternion({1.0f, 2.0f, 3.0f}, -4.0f); |
|
CORRADE_COMPARE(o.str(), "Quaternion({1, 2, 3}, -4)\n"); |
|
} |
|
|
|
}}} |
|
|
|
CORRADE_TEST_MAIN(Magnum::Math::Test::QuaternionTest)
|
|
|