mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-01-20 20:54:46 +00:00
96 lines
3.4 KiB
C++
96 lines
3.4 KiB
C++
//-----------------------------------------------------------------------------
|
|
// 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 "platform/platform.h"
|
|
#include "math/mOrientedBox.h"
|
|
|
|
#include "math/mMatrix.h"
|
|
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
bool OrientedBox3F::isContained( const Point3F& point ) const
|
|
{
|
|
Point3F distToCenter = point - getCenter();
|
|
for( U32 i = 0; i < 3; ++ i )
|
|
{
|
|
F32 coeff = mDot( distToCenter, getAxis( i ) );
|
|
if( mFabs( coeff ) > getHalfExtents()[ i ] )
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void OrientedBox3F::set( const MatrixF& transform, const Point3F& extents )
|
|
{
|
|
mCenter = transform.getPosition();
|
|
|
|
mAxes[ RightVector ] = transform.getRightVector();
|
|
mAxes[ ForwardVector ] = transform.getForwardVector();
|
|
mAxes[ UpVector ] = transform.getUpVector();
|
|
|
|
mHalfExtents = extents * 0.5f;
|
|
|
|
_initPoints();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void OrientedBox3F::set( const MatrixF& transform, const Box3F& aabb )
|
|
{
|
|
mCenter = aabb.getCenter();
|
|
transform.mulP( mCenter );
|
|
|
|
mAxes[ RightVector ] = transform.getRightVector();
|
|
mAxes[ ForwardVector ] = transform.getForwardVector();
|
|
mAxes[ UpVector ] = transform.getUpVector();
|
|
|
|
mHalfExtents[ 0 ] = aabb.len_x() / 2.f;
|
|
mHalfExtents[ 1 ] = aabb.len_y() / 2.f;
|
|
mHalfExtents[ 2 ] = aabb.len_z() / 2.f;
|
|
|
|
_initPoints();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void OrientedBox3F::_initPoints()
|
|
{
|
|
const Point3F right = mAxes[ RightVector ] * mHalfExtents.x;
|
|
const Point3F forward = mAxes[ ForwardVector ] * mHalfExtents.y;
|
|
const Point3F up = mAxes[ UpVector ] * mHalfExtents.z;
|
|
|
|
mPoints[ NearBottomLeft ] = mCenter - forward - right - up;
|
|
mPoints[ NearBottomRight ] = mCenter - forward + right - up;
|
|
mPoints[ NearTopLeft ] = mCenter - forward - right + up;
|
|
mPoints[ NearTopRight ] = mCenter - forward + right + up;
|
|
|
|
mPoints[ FarBottomLeft ] = mCenter + forward - right - up;
|
|
mPoints[ FarBottomRight ] = mCenter + forward + right - up;
|
|
mPoints[ FarTopLeft ] = mCenter + forward - right + up;
|
|
mPoints[ FarTopRight ] = mCenter + forward + right + up;
|
|
}
|