diff options
Diffstat (limited to 'modules/bullet/space_bullet.cpp')
-rw-r--r-- | modules/bullet/space_bullet.cpp | 296 |
1 files changed, 168 insertions, 128 deletions
diff --git a/modules/bullet/space_bullet.cpp b/modules/bullet/space_bullet.cpp index 9df01aee3e..c1f6e81734 100644 --- a/modules/bullet/space_bullet.cpp +++ b/modules/bullet/space_bullet.cpp @@ -50,10 +50,11 @@ #include "ustring.h" #include <assert.h> -BulletPhysicsDirectSpaceState::BulletPhysicsDirectSpaceState(SpaceBullet *p_space) - : PhysicsDirectSpaceState(), space(p_space) {} +BulletPhysicsDirectSpaceState::BulletPhysicsDirectSpaceState(SpaceBullet *p_space) : + PhysicsDirectSpaceState(), + space(p_space) {} -int BulletPhysicsDirectSpaceState::intersect_point(const Vector3 &p_point, ShapeResult *r_results, int p_result_max, const Set<RID> &p_exclude, uint32_t p_collision_layer, uint32_t p_object_type_mask) { +int BulletPhysicsDirectSpaceState::intersect_point(const Vector3 &p_point, ShapeResult *r_results, int p_result_max, const Set<RID> &p_exclude, uint32_t p_collision_mask) { if (p_result_max <= 0) return 0; @@ -68,15 +69,15 @@ int BulletPhysicsDirectSpaceState::intersect_point(const Vector3 &p_point, Shape // Setup query GodotAllContactResultCallback btResult(&collision_object_point, r_results, p_result_max, &p_exclude); - btResult.m_collisionFilterGroup = p_collision_layer; - btResult.m_collisionFilterMask = p_object_type_mask; + btResult.m_collisionFilterGroup = 0; + btResult.m_collisionFilterMask = p_collision_mask; space->dynamicsWorld->contactTest(&collision_object_point, btResult); // The results is already populated by GodotAllConvexResultCallback return btResult.m_count; } -bool BulletPhysicsDirectSpaceState::intersect_ray(const Vector3 &p_from, const Vector3 &p_to, RayResult &r_result, const Set<RID> &p_exclude, uint32_t p_collision_layer, uint32_t p_object_type_mask, bool p_pick_ray) { +bool BulletPhysicsDirectSpaceState::intersect_ray(const Vector3 &p_from, const Vector3 &p_to, RayResult &r_result, const Set<RID> &p_exclude, uint32_t p_collision_mask, bool p_pick_ray) { btVector3 btVec_from; btVector3 btVec_to; @@ -86,8 +87,8 @@ bool BulletPhysicsDirectSpaceState::intersect_ray(const Vector3 &p_from, const V // setup query GodotClosestRayResultCallback btResult(btVec_from, btVec_to, &p_exclude); - btResult.m_collisionFilterGroup = p_collision_layer; - btResult.m_collisionFilterMask = p_object_type_mask; + btResult.m_collisionFilterGroup = 0; + btResult.m_collisionFilterMask = p_collision_mask; btResult.m_pickRay = p_pick_ray; space->dynamicsWorld->rayTest(btVec_from, btVec_to, btResult); @@ -109,18 +110,19 @@ bool BulletPhysicsDirectSpaceState::intersect_ray(const Vector3 &p_from, const V } } -int BulletPhysicsDirectSpaceState::intersect_shape(const RID &p_shape, const Transform &p_xform, float p_margin, ShapeResult *p_results, int p_result_max, const Set<RID> &p_exclude, uint32_t p_collision_layer, uint32_t p_object_type_mask) { +int BulletPhysicsDirectSpaceState::intersect_shape(const RID &p_shape, const Transform &p_xform, float p_margin, ShapeResult *p_results, int p_result_max, const Set<RID> &p_exclude, uint32_t p_collision_mask) { if (p_result_max <= 0) return 0; ShapeBullet *shape = space->get_physics_server()->get_shape_owner()->get(p_shape); - btConvexShape *btConvex = dynamic_cast<btConvexShape *>(shape->create_bt_shape()); - if (!btConvex) { - bulletdelete(btConvex); + btCollisionShape *btShape = shape->create_bt_shape(); + if (!btShape->isConvex()) { + bulletdelete(btShape); ERR_PRINTS("The shape is not a convex shape, then is not supported: shape type: " + itos(shape->get_type())); return 0; } + btConvexShape *btConvex = static_cast<btConvexShape *>(btShape); btVector3 scale_with_margin; G_TO_B(p_xform.basis.get_scale(), scale_with_margin); @@ -134,8 +136,8 @@ int BulletPhysicsDirectSpaceState::intersect_shape(const RID &p_shape, const Tra collision_object.setWorldTransform(bt_xform); GodotAllContactResultCallback btQuery(&collision_object, p_results, p_result_max, &p_exclude); - btQuery.m_collisionFilterGroup = p_collision_layer; - btQuery.m_collisionFilterMask = p_object_type_mask; + btQuery.m_collisionFilterGroup = 0; + btQuery.m_collisionFilterMask = p_collision_mask; btQuery.m_closestDistanceThreshold = p_margin; space->dynamicsWorld->contactTest(&collision_object, btQuery); @@ -144,15 +146,16 @@ int BulletPhysicsDirectSpaceState::intersect_shape(const RID &p_shape, const Tra return btQuery.m_count; } -bool BulletPhysicsDirectSpaceState::cast_motion(const RID &p_shape, const Transform &p_xform, const Vector3 &p_motion, float p_margin, float &p_closest_safe, float &p_closest_unsafe, const Set<RID> &p_exclude, uint32_t p_collision_layer, uint32_t p_object_type_mask, ShapeRestInfo *r_info) { +bool BulletPhysicsDirectSpaceState::cast_motion(const RID &p_shape, const Transform &p_xform, const Vector3 &p_motion, float p_margin, float &p_closest_safe, float &p_closest_unsafe, const Set<RID> &p_exclude, uint32_t p_collision_mask, ShapeRestInfo *r_info) { ShapeBullet *shape = space->get_physics_server()->get_shape_owner()->get(p_shape); - btConvexShape *bt_convex_shape = dynamic_cast<btConvexShape *>(shape->create_bt_shape()); - if (!bt_convex_shape) { - bulletdelete(bt_convex_shape); + btCollisionShape *btShape = shape->create_bt_shape(); + if (!btShape->isConvex()) { + bulletdelete(btShape); ERR_PRINTS("The shape is not a convex shape, then is not supported: shape type: " + itos(shape->get_type())); return 0; } + btConvexShape *bt_convex_shape = static_cast<btConvexShape *>(btShape); btVector3 bt_motion; G_TO_B(p_motion, bt_motion); @@ -168,22 +171,24 @@ bool BulletPhysicsDirectSpaceState::cast_motion(const RID &p_shape, const Transf bt_xform_to.getOrigin() += bt_motion; GodotClosestConvexResultCallback btResult(bt_xform_from.getOrigin(), bt_xform_to.getOrigin(), &p_exclude); - btResult.m_collisionFilterGroup = p_collision_layer; - btResult.m_collisionFilterMask = p_object_type_mask; + btResult.m_collisionFilterGroup = 0; + btResult.m_collisionFilterMask = p_collision_mask; space->dynamicsWorld->convexSweepTest(bt_convex_shape, bt_xform_from, bt_xform_to, btResult, 0.002); if (btResult.hasHit()) { - if (btCollisionObject::CO_RIGID_BODY == btResult.m_hitCollisionObject->getInternalType()) { - B_TO_G(static_cast<const btRigidBody *>(btResult.m_hitCollisionObject)->getVelocityInLocalPoint(btResult.m_hitPointWorld), r_info->linear_velocity); - } - CollisionObjectBullet *collision_object = static_cast<CollisionObjectBullet *>(btResult.m_hitCollisionObject->getUserPointer()); p_closest_safe = p_closest_unsafe = btResult.m_closestHitFraction; - B_TO_G(btResult.m_hitPointWorld, r_info->point); - B_TO_G(btResult.m_hitNormalWorld, r_info->normal); - r_info->rid = collision_object->get_self(); - r_info->collider_id = collision_object->get_instance_id(); - r_info->shape = btResult.m_shapePart; + if (r_info) { + if (btCollisionObject::CO_RIGID_BODY == btResult.m_hitCollisionObject->getInternalType()) { + B_TO_G(static_cast<const btRigidBody *>(btResult.m_hitCollisionObject)->getVelocityInLocalPoint(btResult.m_hitPointWorld), r_info->linear_velocity); + } + CollisionObjectBullet *collision_object = static_cast<CollisionObjectBullet *>(btResult.m_hitCollisionObject->getUserPointer()); + B_TO_G(btResult.m_hitPointWorld, r_info->point); + B_TO_G(btResult.m_hitNormalWorld, r_info->normal); + r_info->rid = collision_object->get_self(); + r_info->collider_id = collision_object->get_instance_id(); + r_info->shape = btResult.m_shapeId; + } } bulletdelete(bt_convex_shape); @@ -191,18 +196,19 @@ bool BulletPhysicsDirectSpaceState::cast_motion(const RID &p_shape, const Transf } /// Returns the list of contacts pairs in this order: Local contact, other body contact -bool BulletPhysicsDirectSpaceState::collide_shape(RID p_shape, const Transform &p_shape_xform, float p_margin, Vector3 *r_results, int p_result_max, int &r_result_count, const Set<RID> &p_exclude, uint32_t p_collision_layer, uint32_t p_object_type_mask) { +bool BulletPhysicsDirectSpaceState::collide_shape(RID p_shape, const Transform &p_shape_xform, float p_margin, Vector3 *r_results, int p_result_max, int &r_result_count, const Set<RID> &p_exclude, uint32_t p_collision_mask) { if (p_result_max <= 0) return 0; ShapeBullet *shape = space->get_physics_server()->get_shape_owner()->get(p_shape); - btConvexShape *btConvex = dynamic_cast<btConvexShape *>(shape->create_bt_shape()); - if (!btConvex) { - bulletdelete(btConvex); + btCollisionShape *btShape = shape->create_bt_shape(); + if (!btShape->isConvex()) { + bulletdelete(btShape); ERR_PRINTS("The shape is not a convex shape, then is not supported: shape type: " + itos(shape->get_type())); return 0; } + btConvexShape *btConvex = static_cast<btConvexShape *>(btShape); btVector3 scale_with_margin; G_TO_B(p_shape_xform.basis.get_scale(), scale_with_margin); @@ -216,8 +222,8 @@ bool BulletPhysicsDirectSpaceState::collide_shape(RID p_shape, const Transform & collision_object.setWorldTransform(bt_xform); GodotContactPairContactResultCallback btQuery(&collision_object, r_results, p_result_max, &p_exclude); - btQuery.m_collisionFilterGroup = p_collision_layer; - btQuery.m_collisionFilterMask = p_object_type_mask; + btQuery.m_collisionFilterGroup = 0; + btQuery.m_collisionFilterMask = p_collision_mask; btQuery.m_closestDistanceThreshold = p_margin; space->dynamicsWorld->contactTest(&collision_object, btQuery); @@ -227,16 +233,17 @@ bool BulletPhysicsDirectSpaceState::collide_shape(RID p_shape, const Transform & return btQuery.m_count; } -bool BulletPhysicsDirectSpaceState::rest_info(RID p_shape, const Transform &p_shape_xform, float p_margin, ShapeRestInfo *r_info, const Set<RID> &p_exclude, uint32_t p_collision_layer, uint32_t p_object_type_mask) { +bool BulletPhysicsDirectSpaceState::rest_info(RID p_shape, const Transform &p_shape_xform, float p_margin, ShapeRestInfo *r_info, const Set<RID> &p_exclude, uint32_t p_collision_mask) { ShapeBullet *shape = space->get_physics_server()->get_shape_owner()->get(p_shape); - btConvexShape *btConvex = dynamic_cast<btConvexShape *>(shape->create_bt_shape()); - if (!btConvex) { - bulletdelete(btConvex); + btCollisionShape *btShape = shape->create_bt_shape(); + if (!btShape->isConvex()) { + bulletdelete(btShape); ERR_PRINTS("The shape is not a convex shape, then is not supported: shape type: " + itos(shape->get_type())); return 0; } + btConvexShape *btConvex = static_cast<btConvexShape *>(btShape); btVector3 scale_with_margin; G_TO_B(p_shape_xform.basis.get_scale() + Vector3(p_margin, p_margin, p_margin), scale_with_margin); @@ -250,8 +257,8 @@ bool BulletPhysicsDirectSpaceState::rest_info(RID p_shape, const Transform &p_sh collision_object.setWorldTransform(bt_xform); GodotRestInfoContactResultCallback btQuery(&collision_object, r_info, &p_exclude); - btQuery.m_collisionFilterGroup = p_collision_layer; - btQuery.m_collisionFilterMask = p_object_type_mask; + btQuery.m_collisionFilterGroup = 0; + btQuery.m_collisionFilterMask = p_collision_mask; btQuery.m_closestDistanceThreshold = p_margin; space->dynamicsWorld->contactTest(&collision_object, btQuery); @@ -324,18 +331,18 @@ Vector3 BulletPhysicsDirectSpaceState::get_closest_point_to_object_volume(RID p_ } } -SpaceBullet::SpaceBullet(bool p_create_soft_world) - : broadphase(NULL), - dispatcher(NULL), - solver(NULL), - collisionConfiguration(NULL), - dynamicsWorld(NULL), - soft_body_world_info(NULL), - ghostPairCallback(NULL), - godotFilterCallback(NULL), - gravityDirection(0, -1, 0), - gravityMagnitude(10), - contactDebugCount(0) { +SpaceBullet::SpaceBullet(bool p_create_soft_world) : + broadphase(NULL), + dispatcher(NULL), + solver(NULL), + collisionConfiguration(NULL), + dynamicsWorld(NULL), + soft_body_world_info(NULL), + ghostPairCallback(NULL), + godotFilterCallback(NULL), + gravityDirection(0, -1, 0), + gravityMagnitude(10), + contactDebugCount(0) { create_empty_world(p_create_soft_world); direct_access = memnew(BulletPhysicsDirectSpaceState(this)); @@ -461,6 +468,7 @@ void SpaceBullet::add_rigid_body(RigidBodyBullet *p_body) { dynamicsWorld->addCollisionObject(p_body->get_bt_rigid_body(), p_body->get_collision_layer(), p_body->get_collision_mask()); } else { dynamicsWorld->addRigidBody(p_body->get_bt_rigid_body(), p_body->get_collision_layer(), p_body->get_collision_mask()); + p_body->scratch_space_override_modificator(); } } @@ -777,7 +785,8 @@ void SpaceBullet::check_body_collision() { void SpaceBullet::update_gravity() { btVector3 btGravity; G_TO_B(gravityDirection * gravityMagnitude, btGravity); - dynamicsWorld->setGravity(btGravity); + //dynamicsWorld->setGravity(btGravity); + dynamicsWorld->setGravity(btVector3(0, 0, 0)); if (soft_body_world_info) { soft_body_world_info->m_gravity = btGravity; } @@ -877,11 +886,11 @@ bool SpaceBullet::test_body_motion(RigidBodyBullet *p_body, const Transform &p_f continue; } - btConvexShape *convex_shape_test(dynamic_cast<btConvexShape *>(p_body->get_bt_shape(shIndex))); - if (!convex_shape_test) { + if (!p_body->get_bt_shape(shIndex)->isConvex()) { // Skip no convex shape continue; } + btConvexShape *convex_shape_test(static_cast<btConvexShape *>(p_body->get_bt_shape(shIndex))); btTransform shape_world_from; G_TO_B(p_body->get_shape_transform(shIndex), shape_world_from); @@ -910,35 +919,35 @@ bool SpaceBullet::test_body_motion(RigidBodyBullet *p_body, const Transform &p_f { /// Phase three - Recover + contact test with margin - RecoverResult recover_result; + RecoverResult r_recover_result; - hasPenetration = recover_from_penetration(p_body, body_safe_position, recovered_motion, &recover_result); + hasPenetration = recover_from_penetration(p_body, body_safe_position, recovered_motion, &r_recover_result); if (r_result) { B_TO_G(recovered_motion + recover_initial_position, r_result->motion); if (hasPenetration) { - const btRigidBody *btRigid = static_cast<const btRigidBody *>(recover_result.other_collision_object); + const btRigidBody *btRigid = static_cast<const btRigidBody *>(r_recover_result.other_collision_object); CollisionObjectBullet *collisionObject = static_cast<CollisionObjectBullet *>(btRigid->getUserPointer()); r_result->remainder = p_motion - r_result->motion; // is the remaining movements - B_TO_G(recover_result.pointWorld, r_result->collision_point); - B_TO_G(recover_result.pointNormalWorld, r_result->collision_normal); - B_TO_G(btRigid->getVelocityInLocalPoint(recover_result.pointWorld - btRigid->getWorldTransform().getOrigin()), r_result->collider_velocity); // It calculates velocity at point and assign it using special function Bullet_to_Godot + B_TO_G(r_recover_result.pointWorld, r_result->collision_point); + B_TO_G(r_recover_result.pointNormalWorld, r_result->collision_normal); + B_TO_G(btRigid->getVelocityInLocalPoint(r_recover_result.pointWorld - btRigid->getWorldTransform().getOrigin()), r_result->collider_velocity); // It calculates velocity at point and assign it using special function Bullet_to_Godot r_result->collider = collisionObject->get_self(); r_result->collider_id = collisionObject->get_instance_id(); - r_result->collider_shape = recover_result.other_compound_shape_index; - r_result->collision_local_shape = recover_result.local_shape_most_recovered; - -//{ /// Add manifold point to manage collisions -// btPersistentManifold* manifold = dynamicsWorld->getDispatcher()->getNewManifold(p_body->getBtBody(), btRigid); -// btManifoldPoint manifoldPoint(result_callabck.m_pointWorld, result_callabck.m_pointWorld, result_callabck.m_pointNormalWorld, result_callabck.m_penetration_distance); -// manifoldPoint.m_index0 = r_result->collision_local_shape; -// manifoldPoint.m_index1 = r_result->collider_shape; -// manifold->addManifoldPoint(manifoldPoint); -// p_body->get_kinematic_utilities()->m_generatedManifold.push_back(manifold); -//} + r_result->collider_shape = r_recover_result.other_compound_shape_index; + r_result->collision_local_shape = r_recover_result.local_shape_most_recovered; + + //{ /// Add manifold point to manage collisions + // btPersistentManifold* manifold = dynamicsWorld->getDispatcher()->getNewManifold(p_body->getBtBody(), btRigid); + // btManifoldPoint manifoldPoint(result_callabck.m_pointWorld, result_callabck.m_pointWorld, result_callabck.m_pointNormalWorld, result_callabck.m_penetration_distance); + // manifoldPoint.m_index0 = r_result->collision_local_shape; + // manifoldPoint.m_index1 = r_result->collider_shape; + // manifold->addManifoldPoint(manifoldPoint); + // p_body->get_kinematic_utilities()->m_generatedManifold.push_back(manifold); + //} #if debug_test_motion Vector3 sup_line2; @@ -971,10 +980,10 @@ public: Vector<btCollisionObject *> result_collision_objects; public: - RecoverPenetrationBroadPhaseCallback(const btCollisionObject *p_self_collision_object, uint32_t p_collision_layer, uint32_t p_collision_mask) - : self_collision_object(p_self_collision_object), - collision_layer(p_collision_layer), - collision_mask(p_collision_mask) {} + RecoverPenetrationBroadPhaseCallback(const btCollisionObject *p_self_collision_object, uint32_t p_collision_layer, uint32_t p_collision_mask) : + self_collision_object(p_self_collision_object), + collision_layer(p_collision_layer), + collision_mask(p_collision_mask) {} virtual ~RecoverPenetrationBroadPhaseCallback() {} @@ -995,7 +1004,7 @@ public: } }; -bool SpaceBullet::recover_from_penetration(RigidBodyBullet *p_body, const btTransform &p_body_position, btVector3 &out_recover_position, RecoverResult *recover_result) { +bool SpaceBullet::recover_from_penetration(RigidBodyBullet *p_body, const btTransform &p_body_position, btVector3 &r_recover_position, RecoverResult *r_recover_result) { RecoverPenetrationBroadPhaseCallback recover_broad_result(p_body->get_bt_collision_object(), p_body->get_collision_layer(), p_body->get_collision_mask()); @@ -1005,9 +1014,6 @@ bool SpaceBullet::recover_from_penetration(RigidBodyBullet *p_body, const btTran // Broad phase support btVector3 minAabb, maxAabb; - // GJK support - btGjkPairDetector::ClosestPointInput gjk_input; - bool penetration = false; // For each shape @@ -1022,7 +1028,7 @@ bool SpaceBullet::recover_from_penetration(RigidBodyBullet *p_body, const btTran body_shape_position = p_body_position * kin_shape.transform; body_shape_position_recovered = body_shape_position; - body_shape_position_recovered.getOrigin() += out_recover_position; + body_shape_position_recovered.getOrigin() += r_recover_position; kin_shape.shape->getAabb(body_shape_position_recovered, minAabb, maxAabb); dynamicsWorld->getBroadphase()->aabbTest(minAabb, maxAabb, recover_broad_result); @@ -1032,66 +1038,33 @@ bool SpaceBullet::recover_from_penetration(RigidBodyBullet *p_body, const btTran if (!p_body->get_bt_collision_object()->checkCollideWith(otherObject) || !otherObject->checkCollideWith(p_body->get_bt_collision_object())) continue; - if (otherObject->getCollisionShape()->isCompound()) { /// Execute GJK test against all shapes + if (otherObject->getCollisionShape()->isCompound()) { // Each convex shape btCompoundShape *cs = static_cast<btCompoundShape *>(otherObject->getCollisionShape()); for (int x = cs->getNumChildShapes() - 1; 0 <= x; --x) { - if (!cs->getChildShape(x)->isConvex()) - continue; + if (cs->getChildShape(x)->isConvex()) { + if (RFP_convex_convex_test(kin_shape.shape, static_cast<const btConvexShape *>(cs->getChildShape(x)), otherObject, x, body_shape_position, otherObject->getWorldTransform() * cs->getChildTransform(x), r_recover_position, r_recover_result)) { - // Initialize GJK input - gjk_input.m_transformA = body_shape_position; - gjk_input.m_transformA.getOrigin() += out_recover_position; - gjk_input.m_transformB = otherObject->getWorldTransform() * cs->getChildTransform(x); + penetration = true; + } + } else { + if (RFP_convex_world_test(kin_shape.shape, cs->getChildShape(x), p_body->get_bt_collision_object(), otherObject, kinIndex, x, body_shape_position, otherObject->getWorldTransform() * cs->getChildTransform(x), r_recover_position, r_recover_result)) { - // Perform GJK test - btPointCollector result; - btGjkPairDetector gjk_pair_detector(kin_shape.shape, static_cast<const btConvexShape *>(cs->getChildShape(x)), gjk_simplex_solver, gjk_epa_pen_solver); - gjk_pair_detector.getClosestPoints(gjk_input, result, 0); - if (0 > result.m_distance) { - // Has penetration - out_recover_position += result.m_normalOnBInWorld * (result.m_distance * -1); - penetration = true; - - if (recover_result) { - - recover_result->hasPenetration = true; - recover_result->other_collision_object = otherObject; - recover_result->other_compound_shape_index = x; - recover_result->penetration_distance = result.m_distance; - recover_result->pointNormalWorld = result.m_normalOnBInWorld; - recover_result->pointWorld = result.m_pointInWorld; + penetration = true; } } } - } else if (otherObject->getCollisionShape()->isConvex()) { /// Execute GJK test against object shape + if (RFP_convex_convex_test(kin_shape.shape, static_cast<const btConvexShape *>(otherObject->getCollisionShape()), otherObject, 0, body_shape_position, otherObject->getWorldTransform(), r_recover_position, r_recover_result)) { - // Initialize GJK input - gjk_input.m_transformA = body_shape_position; - gjk_input.m_transformA.getOrigin() += out_recover_position; - gjk_input.m_transformB = otherObject->getWorldTransform(); - - // Perform GJK test - btPointCollector result; - btGjkPairDetector gjk_pair_detector(kin_shape.shape, static_cast<const btConvexShape *>(otherObject->getCollisionShape()), gjk_simplex_solver, gjk_epa_pen_solver); - gjk_pair_detector.getClosestPoints(gjk_input, result, 0); - if (0 > result.m_distance) { - // Has penetration - out_recover_position += result.m_normalOnBInWorld * (result.m_distance * -1); penetration = true; + } + } else { + if (RFP_convex_world_test(kin_shape.shape, otherObject->getCollisionShape(), p_body->get_bt_collision_object(), otherObject, kinIndex, 0, body_shape_position, otherObject->getWorldTransform(), r_recover_position, r_recover_result)) { - if (recover_result) { - - recover_result->hasPenetration = true; - recover_result->other_collision_object = otherObject; - recover_result->other_compound_shape_index = 0; - recover_result->penetration_distance = result.m_distance; - recover_result->pointNormalWorld = result.m_normalOnBInWorld; - recover_result->pointWorld = result.m_pointInWorld; - } + penetration = true; } } } @@ -1099,3 +1072,70 @@ bool SpaceBullet::recover_from_penetration(RigidBodyBullet *p_body, const btTran return penetration; } + +bool SpaceBullet::RFP_convex_convex_test(const btConvexShape *p_shapeA, const btConvexShape *p_shapeB, btCollisionObject *p_objectB, int p_shapeId_B, const btTransform &p_transformA, const btTransform &p_transformB, btVector3 &r_recover_position, RecoverResult *r_recover_result) { + + // Initialize GJK input + btGjkPairDetector::ClosestPointInput gjk_input; + gjk_input.m_transformA = p_transformA; + gjk_input.m_transformA.getOrigin() += r_recover_position; + gjk_input.m_transformB = p_transformB; + + // Perform GJK test + btPointCollector result; + btGjkPairDetector gjk_pair_detector(p_shapeA, p_shapeB, gjk_simplex_solver, gjk_epa_pen_solver); + gjk_pair_detector.getClosestPoints(gjk_input, result, 0); + if (0 > result.m_distance) { + // Has penetration + r_recover_position += result.m_normalOnBInWorld * (result.m_distance * -1); + + if (r_recover_result) { + + r_recover_result->hasPenetration = true; + r_recover_result->other_collision_object = p_objectB; + r_recover_result->other_compound_shape_index = p_shapeId_B; + r_recover_result->penetration_distance = result.m_distance; + r_recover_result->pointNormalWorld = result.m_normalOnBInWorld; + r_recover_result->pointWorld = result.m_pointInWorld; + } + return true; + } + return false; +} + +bool SpaceBullet::RFP_convex_world_test(const btConvexShape *p_shapeA, const btCollisionShape *p_shapeB, btCollisionObject *p_objectA, btCollisionObject *p_objectB, int p_shapeId_A, int p_shapeId_B, const btTransform &p_transformA, const btTransform &p_transformB, btVector3 &r_recover_position, RecoverResult *r_recover_result) { + + /// Contact test + + btTransform p_recovered_transformA(p_transformA); + p_recovered_transformA.getOrigin() += r_recover_position; + + btCollisionObjectWrapper obA(NULL, p_shapeA, p_objectA, p_recovered_transformA, -1, p_shapeId_A); + btCollisionObjectWrapper obB(NULL, p_shapeB, p_objectB, p_transformB, -1, p_shapeId_B); + + btCollisionAlgorithm *algorithm = dispatcher->findAlgorithm(&obA, &obB, NULL, BT_CLOSEST_POINT_ALGORITHMS); + if (algorithm) { + GodotDeepPenetrationContactResultCallback contactPointResult(&obA, &obB); + //discrete collision detection query + algorithm->processCollision(&obA, &obB, dynamicsWorld->getDispatchInfo(), &contactPointResult); + + algorithm->~btCollisionAlgorithm(); + dispatcher->freeCollisionAlgorithm(algorithm); + + if (contactPointResult.hasHit()) { + r_recover_position += contactPointResult.m_pointNormalWorld * (contactPointResult.m_penetration_distance * -1); + + if (r_recover_result) { + + r_recover_result->hasPenetration = true; + r_recover_result->other_collision_object = p_objectB; + r_recover_result->other_compound_shape_index = p_shapeId_B; + r_recover_result->penetration_distance = contactPointResult.m_penetration_distance; + r_recover_result->pointNormalWorld = contactPointResult.m_pointNormalWorld; + r_recover_result->pointWorld = contactPointResult.m_pointWorld; + } + return true; + } + } + return false; +} |