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DavidWyand-GG 2012-09-19 11:15:01 -04:00
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Engine/source/math/test/testMathPlane.cpp Normal file
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//-----------------------------------------------------------------------------
// Copyright (c) 2012 GarageGames, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------
#include "unit/test.h"
#include "math/mPlane.h"
#include "math/mRandom.h"
#ifndef TORQUE_SHIPPING
using namespace UnitTesting;
#define TEST( x ) test( ( x ), "FAIL: " #x )
#define XTEST( t, x ) t->test( ( x ), "FAIL: " #x )
CreateUnitTest( TestMathPlane, "Math/Plane" )
{
static F32 randF()
{
return gRandGen.randF( -1.f, 1.f );
}
void test_whichSide()
{
for( U32 i = 0; i < 100; ++ i )
{
Point3F position( randF(), randF(), randF() );
Point3F normal( randF(), randF(), randF() );
PlaneF p1( position, normal );
TEST( p1.whichSide( position + normal ) == PlaneF::Front );
TEST( p1.whichSide( position + ( - normal ) ) == PlaneF::Back );
TEST( p1.whichSide( position ) == PlaneF::On );
}
}
void test_distToPlane()
{
for( U32 i = 0; i < 100; ++ i )
{
Point3F position( randF(), randF(), randF() );
Point3F normal( randF(), randF(), randF() );
PlaneF p1( position, normal );
TEST( mIsEqual( p1.distToPlane( position + normal ), normal.len() ) );
TEST( mIsEqual( p1.distToPlane( position + ( - normal ) ), - normal.len() ) );
TEST( mIsZero( p1.distToPlane( position ) ) );
}
}
void run()
{
test_whichSide();
test_distToPlane();
}
};
#endif // !TORQUE_SHIPPING