diff options
author | Erwin Coumans <blender@erwincoumans.com> | 2006-11-29 08:24:52 +0300 |
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committer | Erwin Coumans <blender@erwincoumans.com> | 2006-11-29 08:24:52 +0300 |
commit | e720f86a836b9343388beafb56be5be9956a3629 (patch) | |
tree | a703505b43d0936b433dd0fc177644ebdbc2b64b /extern/bullet2/src/BulletCollision/CollisionShapes/btHeightfieldTerrainShape.cpp | |
parent | c5db2965fad723982857c9099114360330f90146 (diff) |
updated to latest Bullet 2.x
Diffstat (limited to 'extern/bullet2/src/BulletCollision/CollisionShapes/btHeightfieldTerrainShape.cpp')
-rw-r--r-- | extern/bullet2/src/BulletCollision/CollisionShapes/btHeightfieldTerrainShape.cpp | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btHeightfieldTerrainShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btHeightfieldTerrainShape.cpp new file mode 100644 index 00000000000..57132ee9512 --- /dev/null +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btHeightfieldTerrainShape.cpp @@ -0,0 +1,92 @@ +/* +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 "btHeightfieldTerrainShape.h" + +#include "LinearMath/btTransformUtil.h" + + +btHeightfieldTerrainShape::btHeightfieldTerrainShape() +:m_localScaling(0.f,0.f,0.f) +{ +} + + +btHeightfieldTerrainShape::~btHeightfieldTerrainShape() +{ +} + + + +void btHeightfieldTerrainShape::getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const +{ + aabbMin.setValue(-1e30f,-1e30f,-1e30f); + aabbMax.setValue(1e30f,1e30f,1e30f); + +} + + + + +void btHeightfieldTerrainShape::processAllTriangles(btTriangleCallback* callback,const btVector3& aabbMin,const btVector3& aabbMax) const +{ + + btVector3 halfExtents = (aabbMax - aabbMin) * 0.5f; + btScalar radius = halfExtents.length(); + btVector3 center = (aabbMax + aabbMin) * 0.5f; + + //TODO + //this is where the triangles are generated, given AABB and plane equation (normal/constant) +/* + btVector3 tangentDir0,tangentDir1; + + //tangentDir0/tangentDir1 can be precalculated + btPlaneSpace1(m_planeNormal,tangentDir0,tangentDir1); + + btVector3 supVertex0,supVertex1; + + btVector3 projectedCenter = center - (m_planeNormal.dot(center) - m_planeConstant)*m_planeNormal; + + btVector3 triangle[3]; + triangle[0] = projectedCenter + tangentDir0*radius + tangentDir1*radius; + triangle[1] = projectedCenter + tangentDir0*radius - tangentDir1*radius; + triangle[2] = projectedCenter - tangentDir0*radius - tangentDir1*radius; + + callback->processTriangle(triangle,0,0); + + triangle[0] = projectedCenter - tangentDir0*radius - tangentDir1*radius; + triangle[1] = projectedCenter - tangentDir0*radius + tangentDir1*radius; + triangle[2] = projectedCenter + tangentDir0*radius + tangentDir1*radius; + + callback->processTriangle(triangle,0,1); +*/ + +} + +void btHeightfieldTerrainShape::calculateLocalInertia(btScalar mass,btVector3& inertia) +{ + //moving concave objects not supported + + inertia.setValue(0.f,0.f,0.f); +} + +void btHeightfieldTerrainShape::setLocalScaling(const btVector3& scaling) +{ + m_localScaling = scaling; +} +const btVector3& btHeightfieldTerrainShape::getLocalScaling() const +{ + return m_localScaling; +} |