89 lines
3.9 KiB
C++
89 lines
3.9 KiB
C++
/**************************************************************************************/
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/* */
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/* Visualization Library */
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/* http://visualizationlibrary.org */
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/* */
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/* Copyright (c) 2005-2020, Michele Bosi */
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/* All rights reserved. */
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/* */
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/* Redistribution and use in source and binary forms, with or without modification, */
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/* are permitted provided that the following conditions are met: */
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/* */
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/* - Redistributions of source code must retain the above copyright notice, this */
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/* list of conditions and the following disclaimer. */
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/* */
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/* - Redistributions in binary form must reproduce the above copyright notice, this */
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/* list of conditions and the following disclaimer in the documentation and/or */
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/* other materials provided with the distribution. */
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/* */
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/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND */
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/* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED */
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/* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
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/* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR */
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/* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
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/* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; */
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/* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON */
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/* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
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/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS */
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/* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
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/* */
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/**************************************************************************************/
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#ifndef Plane_INCLUDE_ONCE
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#define Plane_INCLUDE_ONCE
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#include <vlCore/Object.hpp>
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#include <vlCore/glsl_math.hpp>
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#include <vlCore/Transform.hpp>
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namespace vl
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{
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class AABB;
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//-----------------------------------------------------------------------------
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// Plane
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//-----------------------------------------------------------------------------
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/**
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* The Plane class defines a plane using a normal and an origin.
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*/
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class VLCORE_EXPORT Plane: public Object
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{
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VL_INSTRUMENT_CLASS(vl::Plane, Object)
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public:
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Plane( real o=0.0f, vec3 n=vec3(0,0,0) ): mNormal(n), mOrigin(o)
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{
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VL_DEBUG_SET_OBJECT_NAME()
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}
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Plane( const vec3& o, const vec3& n )
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{
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VL_DEBUG_SET_OBJECT_NAME()
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mNormal = n;
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mOrigin = dot(o, n);
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}
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real distance(const vec3 &v) const;
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//! returns 0 if the AABB intersects the plane, 1 if it's in the positive side,
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//! -1 if it's in the negative side.
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int classify(const AABB&) const;
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bool isOutside(const AABB&) const;
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const vec3& normal() const { return mNormal; }
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real origin() const { return mOrigin; }
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void setNormal(const vec3& normal) { mNormal = normal; }
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void setOrigin(real origin) { mOrigin = origin; }
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protected:
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vec3 mNormal;
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real mOrigin;
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};
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}
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#endif
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