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

Bullet Collision Detection & Physics Library

btEmptyShape.cpp
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1 /*
2 Bullet Continuous Collision Detection and Physics Library
3 Copyright (c) 2003-2009 Erwin Coumans http://bulletphysics.org
4
5 This software is provided 'as-is', without any express or implied warranty.
6 In no event will the authors be held liable for any damages arising from the use of this software.
7 Permission is granted to anyone to use this software for any purpose,
8 including commercial applications, and to alter it and redistribute it freely,
9 subject to the following restrictions:
10
11 1. 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.
12 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
13 3. This notice may not be removed or altered from any source distribution.
14 */
15
16 #include "btEmptyShape.h"
17
18 #include "btCollisionShape.h"
19
20 btEmptyShape::btEmptyShape() : btConcaveShape()
21 {
22 m_shapeType = EMPTY_SHAPE_PROXYTYPE;
23 }
24
25 btEmptyShape::~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 }
btAssert
#define btAssert(x)
Definition: btScalar.h:133
btEmptyShape::btEmptyShape
btEmptyShape()
Definition: btEmptyShape.cpp:20
btTransform::getOrigin
btVector3 & getOrigin()
Return the origin vector translation.
Definition: btTransform.h:113
btEmptyShape::getAabb
void getAabb(const btTransform &t, btVector3 &aabbMin, btVector3 &aabbMax) const
getAabb&#39;s default implementation is brute force, expected derived classes to implement a fast dedicat...
Definition: btEmptyShape.cpp:30
btCollisionShape.h
btVector3
btVector3 can be used to represent 3D points and vectors.
Definition: btVector3.h:80
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:28
btConcaveShape
The btConcaveShape class provides an interface for non-moving (static) concave shapes.
Definition: btConcaveShape.h:37
btEmptyShape.h
EMPTY_SHAPE_PROXYTYPE
Definition: btBroadphaseProxy.h:65
btConcaveShape::getMargin
virtual btScalar getMargin() const
Definition: btConcaveShape.h:52
btCollisionShape::m_shapeType
int m_shapeType
Definition: btCollisionShape.h:30
btScalar
float btScalar
The btScalar type abstracts floating point numbers, to easily switch between double and single floati...
Definition: btScalar.h:294
btEmptyShape::~btEmptyShape
virtual ~btEmptyShape()
Definition: btEmptyShape.cpp:25