110 lines
3.8 KiB
C++
110 lines
3.8 KiB
C++
//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of NVIDIA CORPORATION nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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// 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
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Copyright (c) 2008-2019 NVIDIA Corporation. All rights reserved.
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// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
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// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
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#ifndef PX_PHYSICS_NX_BOX_GEOMETRY
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#define PX_PHYSICS_NX_BOX_GEOMETRY
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/** \addtogroup geomutils
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@{
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*/
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#include "geometry/PxGeometry.h"
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#include "foundation/PxVec3.h"
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#if !PX_DOXYGEN
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namespace physx
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{
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#endif
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/**
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\brief Class representing the geometry of a box.
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The geometry of a box can be fully specified by its half extents. This is the half of its width, height, and depth.
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\note The scaling of the box is expected to be baked into these values, there is no additional scaling parameter.
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*/
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class PxBoxGeometry : public PxGeometry
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{
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public:
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/**
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\brief Default constructor, initializes to a box with zero dimensions.
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*/
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PX_INLINE PxBoxGeometry() : PxGeometry(PxGeometryType::eBOX), halfExtents(0,0,0) {}
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/**
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\brief Constructor to initialize half extents from scalar parameters.
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\param hx Initial half extents' x component.
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\param hy Initial half extents' y component.
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\param hz Initial half extents' z component.
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*/
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PX_INLINE PxBoxGeometry(PxReal hx, PxReal hy, PxReal hz) : PxGeometry(PxGeometryType::eBOX), halfExtents(hx, hy, hz) {}
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/**
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\brief Constructor to initialize half extents from vector parameter.
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\param halfExtents_ Initial half extents.
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*/
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PX_INLINE PxBoxGeometry(PxVec3 halfExtents_) : PxGeometry(PxGeometryType::eBOX), halfExtents(halfExtents_) {}
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/**
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\brief Returns true if the geometry is valid.
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\return True if the current settings are valid
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\note A valid box has a positive extent in each direction (halfExtents.x > 0, halfExtents.y > 0, halfExtents.z > 0).
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It is illegal to call PxRigidActor::createShape and PxPhysics::createShape with a box that has zero extent in any direction.
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@see PxRigidActor::createShape, PxPhysics::createShape
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*/
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PX_INLINE bool isValid() const;
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public:
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/**
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\brief Half of the width, height, and depth of the box.
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*/
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PxVec3 halfExtents;
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};
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PX_INLINE bool PxBoxGeometry::isValid() const
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{
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if (mType != PxGeometryType::eBOX)
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return false;
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if (!halfExtents.isFinite())
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return false;
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if (halfExtents.x <= 0.0f || halfExtents.y <= 0.0f || halfExtents.z <= 0.0f)
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return false;
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return true;
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}
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#if !PX_DOXYGEN
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} // namespace physx
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#endif
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/** @} */
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#endif
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