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Replace all hardcoded 1e30(f) by BT_LARGE_FLOAT, defined in btScalar.h as 1e18(f) so that its square still fits in FLT_MAX

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Thanks to Ole K. for reporting! http://code.google.com/p/bullet/issues/detail?id=206
This commit is contained in:
erwin.coumans
2009-05-23 02:15:54 +00:00
parent 1e11223f6b
commit badf723257
51 changed files with 127 additions and 124 deletions
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16
src/BulletCollision/CollisionDispatch/btCollisionWorld.cpp
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@@ -643,10 +643,10 @@ struct btSingleRayCallback : public btBroadphaseRayCallback
btVector3 rayDir = (rayToWorld-rayFromWorld);
rayDir.normalize ();
///what about division by zero? --> just set rayDirection[i] to INF/1e30
m_rayDirectionInverse[0] = rayDir[0] == btScalar(0.0) ? btScalar(1e30) : btScalar(1.0) / rayDir[0];
m_rayDirectionInverse[1] = rayDir[1] == btScalar(0.0) ? btScalar(1e30) : btScalar(1.0) / rayDir[1];
m_rayDirectionInverse[2] = rayDir[2] == btScalar(0.0) ? btScalar(1e30) : btScalar(1.0) / rayDir[2];
///what about division by zero? --> just set rayDirection[i] to INF/BT_LARGE_FLOAT
m_rayDirectionInverse[0] = rayDir[0] == btScalar(0.0) ? btScalar(BT_LARGE_FLOAT) : btScalar(1.0) / rayDir[0];
m_rayDirectionInverse[1] = rayDir[1] == btScalar(0.0) ? btScalar(BT_LARGE_FLOAT) : btScalar(1.0) / rayDir[1];
m_rayDirectionInverse[2] = rayDir[2] == btScalar(0.0) ? btScalar(BT_LARGE_FLOAT) : btScalar(1.0) / rayDir[2];
m_signs[0] = m_rayDirectionInverse[0] < 0.0;
m_signs[1] = m_rayDirectionInverse[1] < 0.0;
m_signs[2] = m_rayDirectionInverse[2] < 0.0;
@@ -736,10 +736,10 @@ struct btSingleSweepCallback : public btBroadphaseRayCallback
{
btVector3 unnormalizedRayDir = (m_convexToTrans.getOrigin()-m_convexFromTrans.getOrigin());
btVector3 rayDir = unnormalizedRayDir.normalized();
///what about division by zero? --> just set rayDirection[i] to INF/1e30
m_rayDirectionInverse[0] = rayDir[0] == btScalar(0.0) ? btScalar(1e30) : btScalar(1.0) / rayDir[0];
m_rayDirectionInverse[1] = rayDir[1] == btScalar(0.0) ? btScalar(1e30) : btScalar(1.0) / rayDir[1];
m_rayDirectionInverse[2] = rayDir[2] == btScalar(0.0) ? btScalar(1e30) : btScalar(1.0) / rayDir[2];
///what about division by zero? --> just set rayDirection[i] to INF/BT_LARGE_FLOAT
m_rayDirectionInverse[0] = rayDir[0] == btScalar(0.0) ? btScalar(BT_LARGE_FLOAT) : btScalar(1.0) / rayDir[0];
m_rayDirectionInverse[1] = rayDir[1] == btScalar(0.0) ? btScalar(BT_LARGE_FLOAT) : btScalar(1.0) / rayDir[1];
m_rayDirectionInverse[2] = rayDir[2] == btScalar(0.0) ? btScalar(BT_LARGE_FLOAT) : btScalar(1.0) / rayDir[2];
m_signs[0] = m_rayDirectionInverse[0] < 0.0;
m_signs[1] = m_rayDirectionInverse[1] < 0.0;
m_signs[2] = m_rayDirectionInverse[2] < 0.0;