diff options
Diffstat (limited to 'modules/bullet/space_bullet.cpp')
| -rw-r--r-- | modules/bullet/space_bullet.cpp | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/modules/bullet/space_bullet.cpp b/modules/bullet/space_bullet.cpp index 3bfcd83606..196bfa65d7 100644 --- a/modules/bullet/space_bullet.cpp +++ b/modules/bullet/space_bullet.cpp @@ -838,17 +838,29 @@ void SpaceBullet::check_body_collision() { float appliedImpulse = pt.m_appliedImpulse; B_TO_G(pt.m_normalWorldOnB, normalOnB); + // The pt.m_index only contains the shape index when more than one collision shape is used + // and only if the collision shape is not a concave collision shape. + // A value of -1 in pt.m_partId indicates the pt.m_index is a shape index. + int shape_index_a = 0; + if (bodyA->get_shape_count() > 1 && pt.m_partId0 == -1) { + shape_index_a = pt.m_index0; + } + int shape_index_b = 0; + if (bodyB->get_shape_count() > 1 && pt.m_partId1 == -1) { + shape_index_b = pt.m_index1; + } + if (bodyA->can_add_collision()) { B_TO_G(pt.getPositionWorldOnB(), collisionWorldPosition); /// pt.m_localPointB Doesn't report the exact point in local space B_TO_G(pt.getPositionWorldOnB() - contactManifold->getBody1()->getWorldTransform().getOrigin(), collisionLocalPosition); - bodyA->add_collision_object(bodyB, collisionWorldPosition, collisionLocalPosition, normalOnB, appliedImpulse, pt.m_index1, pt.m_index0); + bodyA->add_collision_object(bodyB, collisionWorldPosition, collisionLocalPosition, normalOnB, appliedImpulse, shape_index_b, shape_index_a); } if (bodyB->can_add_collision()) { B_TO_G(pt.getPositionWorldOnA(), collisionWorldPosition); /// pt.m_localPointA Doesn't report the exact point in local space B_TO_G(pt.getPositionWorldOnA() - contactManifold->getBody0()->getWorldTransform().getOrigin(), collisionLocalPosition); - bodyB->add_collision_object(bodyA, collisionWorldPosition, collisionLocalPosition, normalOnB * -1, appliedImpulse * -1, pt.m_index0, pt.m_index1); + bodyB->add_collision_object(bodyA, collisionWorldPosition, collisionLocalPosition, normalOnB * -1, appliedImpulse * -1, shape_index_a, shape_index_b); } #ifdef DEBUG_ENABLED |