Added some comments for stepSimulation and fixed bug: uninitialized variable m_shapeDrawer(drawer) in DebugCastResult.h

This commit is contained in:
erwin.coumans
2008-08-28 02:01:23 +00:00
parent dcefff0e0e
commit 5fd1a69f32
2 changed files with 10 additions and 6 deletions

View File

@@ -44,7 +44,8 @@ struct btDebugCastResult : public btConvexCast::CastResult
:m_fromTrans(fromTrans),
m_shape(shape),
m_linVel(linVel),
m_angVel(angVel)
m_angVel(angVel),
m_shapeDrawer(drawer)
{
}
@@ -78,7 +79,8 @@ struct btDebugCastResult : public btConvexCast::CastResult
btTransform hitTrans;
btTransformUtil::integrateTransform(m_fromTrans,m_linVel,m_angVel,fraction,hitTrans);
hitTrans.getOpenGLMatrix(m);
m_shapeDrawer->drawOpenGL(m,m_shape,btVector3(1,0,0),btIDebugDraw::DBG_NoDebug,worldBoundsMin,worldBoundsMax);
if (m_shapeDrawer)
m_shapeDrawer->drawOpenGL(m,m_shape,btVector3(1,0,0),btIDebugDraw::DBG_NoDebug,worldBoundsMin,worldBoundsMax);
}
};

View File

@@ -34,7 +34,7 @@ enum btDynamicsWorldType
BT_CONTINUOUS_DYNAMICS_WORLD=3
};
///btDynamicsWorld is the baseclass for several dynamics implementation, basic, discrete, parallel, and continuous
///The btDynamicsWorld is the interface class for several dynamics implementation, basic, discrete, parallel, and continuous etc.
class btDynamicsWorld : public btCollisionWorld
{
@@ -56,9 +56,11 @@ public:
{
}
///stepSimulation proceeds the simulation over timeStep units
///if maxSubSteps > 0, it will interpolate time steps
virtual int stepSimulation( btScalar timeStep,int maxSubSteps=1, btScalar fixedTimeStep=btScalar(1.)/btScalar(60.))=0;
///stepSimulation proceeds the simulation over 'timeStep', units in preferably in seconds.
///By default, Bullet will subdivide the timestep in constant substeps of each 'fixedTimeStep'.
///in order to keep the simulation real-time, the maximum number of substeps can be clamped to 'maxSubSteps'.
///You can disable subdividing the timestep/substepping by passing maxSubSteps=0 as second argument to stepSimulation, but in that case you have to keep the timeStep constant.
virtual int stepSimulation( btScalar timeStep,int maxSubSteps=10, btScalar fixedTimeStep=btScalar(1.)/btScalar(60.))=0;
virtual void debugDrawWorld() = 0;