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author | Erwin Coumans <blender@erwincoumans.com> | 2011-03-12 23:34:17 +0300 |
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committer | Erwin Coumans <blender@erwincoumans.com> | 2011-03-12 23:34:17 +0300 |
commit | 5e374328a87c1b418f8454d5ef38470484804961 (patch) | |
tree | 1d6de85165175c5192f74dbd423e1d5cb48f8ff6 /extern/bullet2/src/BulletCollision/CollisionShapes/btBox2dShape.cpp | |
parent | 8c526e79e31d40d56a6fecce9343c74bd9fe62d8 (diff) |
update Bullet physics sdk to latest trunk/version 2.78
add PhysicsConstraints.exportBulletFile(char* fileName) python command
I'll be checking the bf-committers mailing list, in case this commit broke stuff
scons needs to be updated, I'll do that in a second.
Diffstat (limited to 'extern/bullet2/src/BulletCollision/CollisionShapes/btBox2dShape.cpp')
-rw-r--r-- | extern/bullet2/src/BulletCollision/CollisionShapes/btBox2dShape.cpp | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btBox2dShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btBox2dShape.cpp new file mode 100644 index 00000000000..ecce028c2e6 --- /dev/null +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btBox2dShape.cpp @@ -0,0 +1,42 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +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. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ + +#include "btBox2dShape.h" + + +//{ + + +void btBox2dShape::getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const +{ + btTransformAabb(getHalfExtentsWithoutMargin(),getMargin(),t,aabbMin,aabbMax); +} + + +void btBox2dShape::calculateLocalInertia(btScalar mass,btVector3& inertia) const +{ + //btScalar margin = btScalar(0.); + btVector3 halfExtents = getHalfExtentsWithMargin(); + + btScalar lx=btScalar(2.)*(halfExtents.x()); + btScalar ly=btScalar(2.)*(halfExtents.y()); + btScalar lz=btScalar(2.)*(halfExtents.z()); + + inertia.setValue(mass/(btScalar(12.0)) * (ly*ly + lz*lz), + mass/(btScalar(12.0)) * (lx*lx + lz*lz), + mass/(btScalar(12.0)) * (lx*lx + ly*ly)); + +} + |