From 43877214bd3834b6ed4d54ec484c0d87a866ad3d Mon Sep 17 00:00:00 2001 From: Stephen Gold Date: Mon, 17 Feb 2020 22:45:22 -0800 Subject: [PATCH] use safeNormalize() to avoid assert failure in btVector3::normalize() --- src/BulletCollision/BroadphaseCollision/btQuantizedBvh.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/BulletCollision/BroadphaseCollision/btQuantizedBvh.cpp b/src/BulletCollision/BroadphaseCollision/btQuantizedBvh.cpp index b814fd84d..4954e773e 100644 --- a/src/BulletCollision/BroadphaseCollision/btQuantizedBvh.cpp +++ b/src/BulletCollision/BroadphaseCollision/btQuantizedBvh.cpp @@ -468,7 +468,7 @@ void btQuantizedBvh::walkStacklessTreeAgainstRay(btNodeOverlapCallback* nodeCall #ifdef RAYAABB2 btVector3 rayDir = (rayTarget - raySource); - rayDir.normalize(); + rayDir.safeNormalize();// stephengold changed normalize to safeNormalize 2020-02-17 lambda_max = rayDir.dot(rayTarget - raySource); ///what about division by zero? --> just set rayDirection[i] to 1.0 btVector3 rayDirectionInverse; @@ -554,7 +554,7 @@ void btQuantizedBvh::walkStacklessQuantizedTreeAgainstRay(btNodeOverlapCallback* #ifdef RAYAABB2 btVector3 rayDirection = (rayTarget - raySource); - rayDirection.normalize(); + rayDirection.safeNormalize();// stephengold changed normalize to safeNormalize 2020-02-17 lambda_max = rayDirection.dot(rayTarget - raySource); ///what about division by zero? --> just set rayDirection[i] to 1.0 rayDirection[0] = rayDirection[0] == btScalar(0.0) ? btScalar(BT_LARGE_FLOAT) : btScalar(1.0) / rayDirection[0];