diff options
Diffstat (limited to 'modules/bullet/space_bullet.cpp')
| -rw-r--r-- | modules/bullet/space_bullet.cpp | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/modules/bullet/space_bullet.cpp b/modules/bullet/space_bullet.cpp index 971fd39509..331c4a5eba 100644 --- a/modules/bullet/space_bullet.cpp +++ b/modules/bullet/space_bullet.cpp @@ -549,7 +549,43 @@ BulletPhysicsDirectSpaceState *SpaceBullet::get_direct_state() { } btScalar calculateGodotCombinedRestitution(const btCollisionObject *body0, const btCollisionObject *body1) { - return MAX(body0->getRestitution(), body1->getRestitution()); + + const PhysicsServer::CombineMode cm = static_cast<RigidBodyBullet *>(body0->getUserPointer())->get_restitution_combine_mode(); + + switch (cm) { + case PhysicsServer::COMBINE_MODE_INHERIT: + if (static_cast<RigidBodyBullet *>(body1->getUserPointer())->get_restitution_combine_mode() != PhysicsServer::COMBINE_MODE_INHERIT) + return calculateGodotCombinedRestitution(body1, body0); + // else use MAX [This is used when the two bodies doesn't use physical material] + case PhysicsServer::COMBINE_MODE_MAX: + return MAX(body0->getRestitution(), body1->getRestitution()); + case PhysicsServer::COMBINE_MODE_MIN: + return MIN(body0->getRestitution(), body1->getRestitution()); + case PhysicsServer::COMBINE_MODE_MULTIPLY: + return body0->getRestitution() * body1->getRestitution(); + default: // Is always PhysicsServer::COMBINE_MODE_AVERAGE: + return (body0->getRestitution() + body1->getRestitution()) / 2; + } +} + +btScalar calculateGodotCombinedFriction(const btCollisionObject *body0, const btCollisionObject *body1) { + + const PhysicsServer::CombineMode cm = static_cast<RigidBodyBullet *>(body0->getUserPointer())->get_friction_combine_mode(); + + switch (cm) { + case PhysicsServer::COMBINE_MODE_INHERIT: + if (static_cast<RigidBodyBullet *>(body1->getUserPointer())->get_friction_combine_mode() != PhysicsServer::COMBINE_MODE_INHERIT) + return calculateGodotCombinedFriction(body1, body0); + // else use MULTIPLY [This is used when the two bodies doesn't use physical material] + case PhysicsServer::COMBINE_MODE_MULTIPLY: + return body0->getFriction() * body1->getFriction(); + case PhysicsServer::COMBINE_MODE_MAX: + return MAX(body0->getFriction(), body1->getFriction()); + case PhysicsServer::COMBINE_MODE_MIN: + return MIN(body0->getFriction(), body1->getFriction()); + default: // Is always PhysicsServer::COMBINE_MODE_AVERAGE: + return (body0->getFriction() * body1->getFriction()) / 2; + } } void SpaceBullet::create_empty_world(bool p_create_soft_world) { @@ -585,6 +621,7 @@ void SpaceBullet::create_empty_world(bool p_create_soft_world) { ghostPairCallback = bulletnew(btGhostPairCallback); godotFilterCallback = bulletnew(GodotFilterCallback); gCalculateCombinedRestitutionCallback = &calculateGodotCombinedRestitution; + gCalculateCombinedFrictionCallback = &calculateGodotCombinedFriction; dynamicsWorld->setWorldUserInfo(this); |