Bullet Collision Detection & Physics Library: btEmptyShape.cpp Source File

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btEmptyShape.cpp
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1/*
2Bullet Continuous Collision Detection and Physics Library
3Copyright (c) 2003-2009 Erwin Coumans http://bulletphysics.org
4
5This software is provided 'as-is', without any express or implied warranty.
6In no event will the authors be held liable for any damages arising from the use of this software.
7Permission is granted to anyone to use this software for any purpose,
8including commercial applications, and to alter it and redistribute it freely,
9subject to the following restrictions:
10
111. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
122. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
133. This notice may not be removed or altered from any source distribution.
14*/
15
16#include "btEmptyShape.h"
17
18#include "btCollisionShape.h"
19
20btEmptyShape::btEmptyShape() : btConcaveShape()
21{
22 m_shapeType = EMPTY_SHAPE_PROXYTYPE;
23}
24
25btEmptyShape::~btEmptyShape()
26{
27}
28
30 void btEmptyShape::getAabb(const btTransform& t, btVector3& aabbMin, btVector3& aabbMax) const
31{
32 btVector3 margin(getMargin(), getMargin(), getMargin());
33
34 aabbMin = t.getOrigin() - margin;
35
36 aabbMax = t.getOrigin() + margin;
37}
38
39 void btEmptyShape::calculateLocalInertia(btScalar, btVector3&) const
40{
41 btAssert(0);
42}
EMPTY_SHAPE_PROXYTYPE
@ EMPTY_SHAPE_PROXYTYPE
Definition: btBroadphaseProxy.h:65
btCollisionShape.h
btEmptyShape.h
btScalar
float btScalar
The btScalar type abstracts floating point numbers, to easily switch between double and single floati...
Definition: btScalar.h:314
btAssert
#define btAssert(x)
Definition: btScalar.h:153
btCollisionShape::m_shapeType
int m_shapeType
Definition: btCollisionShape.h:30
btConcaveShape
The btConcaveShape class provides an interface for non-moving (static) concave shapes.
Definition: btConcaveShape.h:39
btConcaveShape::getMargin
virtual btScalar getMargin() const
Definition: btConcaveShape.h:52
btEmptyShape::~btEmptyShape
virtual ~btEmptyShape()
Definition: btEmptyShape.cpp:25
btEmptyShape::getAabb
void getAabb(const btTransform &t, btVector3 &aabbMin, btVector3 &aabbMax) const
getAabb's default implementation is brute force, expected derived classes to implement a fast dedicat...
Definition: btEmptyShape.cpp:30
btEmptyShape::btEmptyShape
btEmptyShape()
Definition: btEmptyShape.cpp:20
btEmptyShape::calculateLocalInertia
virtual void calculateLocalInertia(btScalar mass, btVector3 &inertia) const
Definition: btEmptyShape.cpp:39
btTransform
The btTransform class supports rigid transforms with only translation and rotation and no scaling/she...
Definition: btTransform.h:30
btTransform::getOrigin
btVector3 & getOrigin()
Return the origin vector translation.
Definition: btTransform.h:114
btVector3
btVector3 can be used to represent 3D points and vectors.
Definition: btVector3.h:82