974deca5e1
git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@11846 178a84e3-b1eb-0310-8ba1-8eac791a3b58
301 lines
8.2 KiB
C++
301 lines
8.2 KiB
C++
// Copyright (C) 2008-2012 Colin MacDonald
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// No rights reserved: this software is in the public domain.
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#include "testUtils.h"
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using namespace irr;
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using namespace core;
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#define EQUAL_VECTORS(compare, with)\
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if(!equalVectors(cmp_equal<core::vector3d<T> >(compare), with)) {assert(false); return false;}
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#define LESS_VECTORS(compare, with)\
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if(!equalVectors(cmp_less<core::vector3d<T> >(compare), with)) return false;
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#define LESS_EQUAL_VECTORS(compare, with)\
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if(!equalVectors(cmp_less_equal<core::vector3d<T> >(compare), with)) return false;
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#define MORE_VECTORS(compare, with)\
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if(!equalVectors(cmp_more<core::vector3d<T> >(compare), with)) return false;
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#define MORE_EQUAL_VECTORS(compare, with)\
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if(!equalVectors(cmp_more_equal<core::vector3d<T> >(compare), with)) return false;
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// check if the vector contains a NAN (a==b is guaranteed to return false in this case)
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template<class T>
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static bool is_nan(const core::vector3d<T> &vec )
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{
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return ( !(vec.X == vec.X)
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|| !(vec.Y == vec.Y)
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|| !(vec.Z == vec.Z) );
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}
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template<class T>
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struct cmp_less
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{
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cmp_less(const T& a) : val(a) {}
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bool operator()(const T& other) const
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{
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return val<other;
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}
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const char* getName() const {return "<";}
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const T val;
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};
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template<class T>
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struct cmp_less_equal
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{
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cmp_less_equal(const T& a) : val(a) {}
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bool operator()(const T& other) const
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{
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return val<=other;
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}
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const char* getName() const {return "<=";}
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const T val;
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};
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template<class T>
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struct cmp_more
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{
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cmp_more(const T& a) : val(a) {}
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bool operator()(const T& other) const
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{
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return val>other;
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}
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const char* getName() const {return ">";}
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const T val;
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};
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template<class T>
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struct cmp_more_equal
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{
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cmp_more_equal(const T& a) : val(a) {}
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bool operator()(const T& other) const
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{
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return val>=other;
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}
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const char* getName() const {return ">=";}
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const T val;
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};
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template<class T>
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struct cmp_equal
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{
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cmp_equal(const T& a) : val(a) {}
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bool operator()(const T& other) const
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{
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return val.equals(other);
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}
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const char* getName() const {return "==";}
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const T val;
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};
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template<class S, class T>
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static bool equalVectors(const S& compare,
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const core::vector3d<T> & with)
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{
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if (!compare(with))
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{
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logTestString("\nERROR: vector3d %.16f, %.16f, %.16f %s vector3d %.16f, %.16f, %.16f\n",
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(f64)compare.val.X, (f64)compare.val.Y, (f64)compare.val.Z, compare.getName(),
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(f64)with.X, (f64)with.Y, (f64)with.Z);
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assert_log(compare(with));
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return false;
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}
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return true;
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}
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template <class T>
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static bool checkInterpolation()
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{
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core::vector3d<T> vec(5, 5, 0);
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core::vector3d<T> otherVec(10, 20, 40);
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vector3d<T> interpolated;
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(void)interpolated.interpolate(vec, otherVec, 0.f);
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EQUAL_VECTORS(interpolated, otherVec); // 0.f means all the second vector
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(void)interpolated.interpolate(vec, otherVec, 0.25f);
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EQUAL_VECTORS(interpolated, vector3d<T>((T)8.75, (T)16.25, 30));
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(void)interpolated.interpolate(vec, otherVec, 0.75f);
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EQUAL_VECTORS(interpolated, vector3d<T>((T)6.25, (T)8.75, 10));
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(void)interpolated.interpolate(vec, otherVec, 1.f);
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EQUAL_VECTORS(interpolated, vec); // 1.f means all the first vector
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interpolated = vec.getInterpolated(otherVec, 0.f);
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EQUAL_VECTORS(interpolated, otherVec); // 0.f means all the second vector
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interpolated = vec.getInterpolated(otherVec, 0.25f);
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EQUAL_VECTORS(interpolated, vector3d<T>((T)8.75, (T)16.25, 30));
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interpolated = vec.getInterpolated(otherVec, 0.75f);
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EQUAL_VECTORS(interpolated, vector3d<T>((T)6.25, (T)8.75, 10));
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interpolated = vec.getInterpolated(otherVec, 1.f);
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EQUAL_VECTORS(interpolated, vec); // 1.f means all the first vector
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vector3d<T> thirdVec(20, 10, -30);
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interpolated = vec.getInterpolated_quadratic(otherVec, thirdVec, 0.f);
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EQUAL_VECTORS(interpolated, vec); // 0.f means all the 1st vector
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interpolated = vec.getInterpolated_quadratic(otherVec, thirdVec, 0.25f);
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EQUAL_VECTORS(interpolated, vector3d<T>((T)7.8125, (T)10.9375, (T)13.125));
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interpolated = vec.getInterpolated_quadratic(otherVec, thirdVec, 0.5f);
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EQUAL_VECTORS(interpolated, vector3d<T>((T)11.25, (T)13.75, (T)12.5));
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interpolated = vec.getInterpolated_quadratic(otherVec, thirdVec, 0.75f);
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EQUAL_VECTORS(interpolated, vector3d<T>((T)15.3125, (T)13.4375, (T)-1.875));
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interpolated = vec.getInterpolated_quadratic(otherVec, thirdVec, 1.f);
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EQUAL_VECTORS(interpolated, thirdVec); // 1.f means all the 3rd vector
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return true;
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}
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template <class T>
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static bool checkAngleCalculations()
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{
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core::vector3d<T> vec(5, 5, 0);
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EQUAL_VECTORS(vec.getHorizontalAngle(), vector3d<T>(315, (T)90.0, 0));
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EQUAL_VECTORS(vec.getSphericalCoordinateAngles(), vector3d<T>((T)45.0, 0, 0));
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return true;
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}
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template <class T>
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static bool checkRotations()
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{
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core::vector3d<T> vec(5, 5, 0);
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vector3d<T> center(0, 0, 0);
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vec.rotateXYBy(45, center);
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EQUAL_VECTORS(vec, vector3d<T>(0, (T)7.0710678118654755, 0));
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vec.normalize();
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// TODO: This breaks under Linux/gcc due to FP differences, but is no bug
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if (((T)0.5f)>0.f)
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EQUAL_VECTORS(vec, vector3d<T>(0, (T)1.0, 0));
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vec.set(10, 10, 10);
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center.set(5, 5, 10);
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vec.rotateXYBy(-5, center);
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// -5 means rotate clockwise slightly, so expect the X to increase
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// slightly and the Y to decrease slightly.
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EQUAL_VECTORS(vec, vector3d<T>((T)10.416752204197017, (T)9.5451947767204359, 10));
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vec.set(10, 10, 10);
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center.set(5, 10, 5);
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vec.rotateXZBy(-5, center);
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EQUAL_VECTORS(vec, vector3d<T>((T)10.416752204197017, 10, (T)9.5451947767204359));
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vec.set(10, 10, 10);
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center.set(10, 5, 5);
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vec.rotateYZBy(-5, center);
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EQUAL_VECTORS(vec, vector3d<T>(10, (T)10.416752204197017, (T)9.5451947767204359));
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vec.set(5, 5, 0);
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vec.normalize();
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EQUAL_VECTORS(vec, vector3d<T>((T)0.70710681378841400, (T)0.70710681378841400, 0));
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return true;
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}
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template <class T>
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static bool doTests()
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{
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vector3d<T> vec(-5, 5, 0);
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vector3d<T> otherVec((T)-5.1, 5, 0);
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if(!vec.equals(otherVec, (T)0.1))
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{
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logTestString("vector3d::equals failed\n");
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assert_log(0);
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return false;
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}
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vec.set(5, 5, 0);
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otherVec.set(10, 20, 0);
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if(!equals(vec.getDistanceFrom(otherVec), (T)15.8113883))
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{
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logTestString("vector3d::getDistanceFrom() failed\n");
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assert_log(0);
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return false;
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}
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if (!checkRotations<T>())
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return false;
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if (!checkInterpolation<T>())
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return false;
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if (!checkAngleCalculations<T>())
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return false;
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vec.set(0,0,0);
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vec.setLength(99);
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if ( is_nan(vec) )
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return false;
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core::vector3d<T> zeroZero(0, 0, 0);
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core::vector3d<T> oneOne(1, 1, 1);
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// Check if comparing (0.0, 0.0, 0.0) with (1.0, 1.0, 1.0) returns false.
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if(zeroZero == oneOne)
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{
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logTestString("\nERROR: vector3d %.16f, %.16f, %.16f == vector3d %.16f, %.16f, %.16f\n",
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(f64)zeroZero.X, (f64)zeroZero.Y, (f64)zeroZero.Z,
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(f64)oneOne.X, (f64)oneOne.Y, (f64)oneOne.Z);
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return false;
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}
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vec.set(5, 5, 0);
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otherVec.set(10, 20, 40);
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LESS_VECTORS(vec, otherVec);
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LESS_EQUAL_VECTORS(vec, otherVec);
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MORE_VECTORS(otherVec, vec);
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MORE_EQUAL_VECTORS(otherVec, vec);
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vec.set(-1,-1,1);
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otherVec.set(1,-1,1);
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LESS_VECTORS(vec, otherVec);
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LESS_EQUAL_VECTORS(vec, otherVec);
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MORE_VECTORS(otherVec, vec);
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MORE_EQUAL_VECTORS(otherVec, vec);
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LESS_EQUAL_VECTORS(vec, vec);
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MORE_EQUAL_VECTORS(vec, vec);
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return true;
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}
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/** Test the functionality of vector3d<T>, particularly methods that
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involve calculations done using different precision than <T>.
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Note that all reference vector3d<T>s are creating using double precision
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values cast to (T), as we need to test <f64>. */
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bool testVector3d(void)
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{
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const bool f32Success = doTests<f32>();
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if (f32Success)
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logTestString("vector3df tests passed\n\n");
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else
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logTestString("\n*** vector3df tests failed ***\n\n");
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const bool f64Success = doTests<f64>();
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if (f64Success)
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logTestString("vector3d<f64> tests passed\n\n");
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else
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logTestString("\n*** vector3d<f64> tests failed ***\n\n");
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const bool s32Success = doTests<s32>();
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if (s32Success)
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logTestString("vector3di tests passed\n\n");
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else
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logTestString("\n*** vector3di tests failed ***\n\n");
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return f32Success && f64Success && s32Success;
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}
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