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.
106 lines
3.1 KiB
106 lines
3.1 KiB
14 years ago
|
/*
|
||
|
|
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)
|