148 lines
4.8 KiB
C++
148 lines
4.8 KiB
C++
// Copyright (C) 2008-2009 Colin MacDonald
|
|
// No rights reserved: this software is in the public domain.
|
|
|
|
#include "testUtils.h"
|
|
#include "irrlicht.h"
|
|
#include <assert.h>
|
|
|
|
using namespace irr;
|
|
using namespace core;
|
|
|
|
template<class T>
|
|
static bool compareVectors(const core::vector3d<T> & compare,
|
|
const core::vector3d<T> & with)
|
|
{
|
|
if(compare != with)
|
|
{
|
|
logTestString("\nERROR: vector3d %.16f, %.16f, %.16f != vector3d %.16f, %.16f, %.16f\n",
|
|
(f64)compare.X, (f64)compare.Y, (f64)compare.Z,
|
|
(f64)with.X, (f64)with.Y, (f64)with.Z);
|
|
assert(compare == with);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
template <class T>
|
|
static bool doTests()
|
|
{
|
|
#define COMPARE_VECTORS(compare, with)\
|
|
if(!compareVectors(compare, with)) return false;
|
|
|
|
vector3d<T> vec(5, 5, 0);
|
|
vector3d<T> otherVec(10, 20, 0);
|
|
if(!equals(vec.getDistanceFrom(otherVec), (T)15.8113883))
|
|
{
|
|
logTestString("vector3d::getDistanceFrom() failed\n");
|
|
assert(0);
|
|
return false;
|
|
}
|
|
|
|
vector3d<T> center(0, 0, 0);
|
|
|
|
vec.rotateXYBy(45, center);
|
|
COMPARE_VECTORS(vec, vector3d<T>(0, (T)7.0710678118654755, 0));
|
|
|
|
vec.normalize();
|
|
COMPARE_VECTORS(vec, vector3d<T>(0, (T)1.0000000461060017, 0));
|
|
|
|
vec.set(10, 10, 10);
|
|
center.set(5, 5, 10);
|
|
vec.rotateXYBy(-5, center);
|
|
// -5 means rotate clockwise slightly, so expect the X to increase
|
|
// slightly and the Y to decrease slightly.
|
|
COMPARE_VECTORS(vec, vector3d<T>((T)10.416752204197017, (T)9.5451947767204359, 10));
|
|
|
|
vec.set(10, 10, 10);
|
|
center.set(5, 10, 5);
|
|
vec.rotateXZBy(-5, center);
|
|
COMPARE_VECTORS(vec, vector3d<T>((T)10.416752204197017, 10, (T)9.5451947767204359));
|
|
|
|
vec.set(10, 10, 10);
|
|
center.set(10, 5, 5);
|
|
vec.rotateYZBy(-5, center);
|
|
COMPARE_VECTORS(vec, vector3d<T>(10, (T)10.416752204197017, (T)9.5451947767204359));
|
|
|
|
vec.set(5, 5, 0);
|
|
vec.normalize();
|
|
compareVectors(vec, vector3d<T>((T)0.70710681378841400, (T)0.70710681378841400, 0));
|
|
|
|
vec.set(5, 5, 0);
|
|
otherVec.set(10, 20, 40);
|
|
|
|
vector3d<T> interpolated;
|
|
(void)interpolated.interpolate(vec, otherVec, 0.f);
|
|
COMPARE_VECTORS(interpolated, otherVec); // 0.f means all the second vector
|
|
|
|
(void)interpolated.interpolate(vec, otherVec, 0.25f);
|
|
COMPARE_VECTORS(interpolated, vector3d<T>((T)8.75, (T)16.25, 30));
|
|
|
|
(void)interpolated.interpolate(vec, otherVec, 0.75f);
|
|
COMPARE_VECTORS(interpolated, vector3d<T>((T)6.25, (T)8.75, 10));
|
|
|
|
(void)interpolated.interpolate(vec, otherVec, 1.f);
|
|
COMPARE_VECTORS(interpolated, vec); // 1.f means all the first vector
|
|
|
|
|
|
interpolated = vec.getInterpolated(otherVec, 0.f);
|
|
COMPARE_VECTORS(interpolated, otherVec); // 0.f means all the second vector
|
|
|
|
interpolated = vec.getInterpolated(otherVec, 0.25f);
|
|
COMPARE_VECTORS(interpolated, vector3d<T>((T)8.75, (T)16.25, 30));
|
|
|
|
interpolated = vec.getInterpolated(otherVec, 0.75f);
|
|
COMPARE_VECTORS(interpolated, vector3d<T>((T)6.25, (T)8.75, 10));
|
|
|
|
interpolated = vec.getInterpolated(otherVec, 1.f);
|
|
COMPARE_VECTORS(interpolated, vec); // 1.f means all the first vector
|
|
|
|
|
|
vector3d<T> thirdVec(20, 10, -30);
|
|
interpolated = vec.getInterpolated_quadratic(otherVec, thirdVec, 0.f);
|
|
COMPARE_VECTORS(interpolated, vec); // 0.f means all the 1st vector
|
|
|
|
interpolated = vec.getInterpolated_quadratic(otherVec, thirdVec, 0.25f);
|
|
COMPARE_VECTORS(interpolated, vector3d<T>((T)7.8125, (T)10.9375, (T)13.125));
|
|
|
|
interpolated = vec.getInterpolated_quadratic(otherVec, thirdVec, 0.5f);
|
|
COMPARE_VECTORS(interpolated, vector3d<T>((T)11.25, (T)13.75, (T)12.5));
|
|
|
|
interpolated = vec.getInterpolated_quadratic(otherVec, thirdVec, 0.75f);
|
|
COMPARE_VECTORS(interpolated, vector3d<T>((T)15.3125, (T)13.4375, (T)-1.875));
|
|
|
|
interpolated = vec.getInterpolated_quadratic(otherVec, thirdVec, 1.f);
|
|
COMPARE_VECTORS(interpolated, thirdVec); // 1.f means all the 3rd vector
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
/** Test the functionality of vector3d<T>, particularly methods that
|
|
involve calculations done using different precision than <T>.
|
|
Note that all reference vector3d<T>s are creating using double precision
|
|
values cast to (T), as we need to test <f64>. */
|
|
bool testVector3d(void)
|
|
{
|
|
bool f32Success = doTests<f32>();
|
|
if(f32Success)
|
|
logTestString("vector3df tests passed\n\n");
|
|
else
|
|
logTestString("\n*** vector3df tests failed ***\n\n");
|
|
|
|
bool f64Success = doTests<f64>();
|
|
if(f64Success)
|
|
logTestString("vector3d<f64> tests passed\n\n");
|
|
else
|
|
logTestString("\n*** vector3d<f64> tests failed ***\n\n");
|
|
|
|
bool s32Success = true; // doTests<s32>(); Currently broken: see vector3d<T>& normalize() and const T length = core::reciprocal_squareroot ( (T) (X*X + Y*Y + Z*Z) );
|
|
if(s32Success)
|
|
logTestString("vector3di tests passed\n\n");
|
|
else
|
|
logTestString("\n*** vector3di tests failed ***\n\n");
|
|
|
|
return f32Success && f64Success && s32Success;
|
|
}
|
|
|