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Added a very basic dynamics demo, only using spheres (and optionally boxes)

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This commit is contained in:
ejcoumans
2006-10-09 20:41:18 +00:00
parent 659207e7a3
commit f3eb3cfa37
12 changed files with 311 additions and 16 deletions
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21
src/BulletCollision/CollisionDispatch/btCollisionDispatcher.cpp
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@@ -32,6 +32,27 @@ int gNumManifold = 0;
#include <stdio.h>
btCollisionDispatcher::btCollisionDispatcher(bool noDefaultAlgorithms)
:m_useIslands(true),
m_count(0),
m_convexConvexCreateFunc(0),
m_convexConcaveCreateFunc(0),
m_swappedConvexConcaveCreateFunc(0),
m_compoundCreateFunc(0),
m_swappedCompoundCreateFunc(0),
m_emptyCreateFunc(0)
{
int i;
m_emptyCreateFunc = new btEmptyAlgorithm::CreateFunc;
for (i=0;i<MAX_BROADPHASE_COLLISION_TYPES;i++)
{
for (int j=0;j<MAX_BROADPHASE_COLLISION_TYPES;j++)
{
m_doubleDispatch[i][j] = m_emptyCreateFunc;
}
}
}
btCollisionDispatcher::btCollisionDispatcher ():

12
src/BulletCollision/CollisionDispatch/btCollisionDispatcher.h
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@@ -56,8 +56,7 @@ class btCollisionDispatcher : public btDispatcher
btCollisionAlgorithmCreateFunc* m_swappedCompoundCreateFunc;
btCollisionAlgorithmCreateFunc* m_emptyCreateFunc;
btCollisionAlgorithm* internalFindAlgorithm(btCollisionObject* body0,btCollisionObject* body1);
public:
@@ -99,7 +98,12 @@ public:
int m_count;
///the default constructor creates/register default collision algorithms, for convex, compound and concave shape support
btCollisionDispatcher ();
///a special constructor that doesn't create/register the default collision algorithms
btCollisionDispatcher(bool noDefaultAlgorithms);
virtual ~btCollisionDispatcher();
virtual btPersistentManifold* getNewManifold(void* b0,void* b1);
@@ -111,9 +115,7 @@ public:
btCollisionAlgorithm* findAlgorithm(btCollisionObject* body0,btCollisionObject* body1);
btCollisionAlgorithm* internalFindAlgorithm(btCollisionObject* body0,btCollisionObject* body1);
virtual bool needsCollision(btCollisionObject* body0,btCollisionObject* body1);
virtual bool needsResponse(btCollisionObject* body0,btCollisionObject* body1);

6
src/BulletCollision/CollisionDispatch/btSphereBoxCollisionAlgorithm.cpp
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@@ -26,10 +26,12 @@ m_ownManifold(false),
m_manifoldPtr(mf),
m_isSwapped(isSwapped)
{
btCollisionObject* sphereObj = m_isSwapped? col1 : col0;
btCollisionObject* boxObj = m_isSwapped? col0 : col1;
if (!m_manifoldPtr && m_dispatcher->needsCollision(col0,col1))
if (!m_manifoldPtr && m_dispatcher->needsCollision(sphereObj,boxObj))
{
m_manifoldPtr = m_dispatcher->getNewManifold(col0,col1);
m_manifoldPtr = m_dispatcher->getNewManifold(sphereObj,boxObj);
m_ownManifold = true;
}
}