diff options
author | AndreaCatania <info@andreacatania.com> | 2017-10-24 18:10:30 +0200 |
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committer | Andrea Catania <info@andreacatania.com> | 2018-05-11 03:23:09 +0200 |
commit | 5f66734d2d70951b273a078a3ee20e406cf0f84d (patch) | |
tree | 689a85b054958619613b69e8299142bd461b58b3 /modules | |
parent | a415efa4b749da90c86db5ac4664491e2ee125dd (diff) |
Implemented physics material
Hidden a function
Fixed travis static check
Diffstat (limited to 'modules')
-rw-r--r-- | modules/bullet/bullet_physics_server.cpp | 14 | ||||
-rw-r--r-- | modules/bullet/bullet_physics_server.h | 3 | ||||
-rw-r--r-- | modules/bullet/rigid_body_bullet.cpp | 18 | ||||
-rw-r--r-- | modules/bullet/rigid_body_bullet.h | 9 | ||||
-rw-r--r-- | modules/bullet/space_bullet.cpp | 39 |
5 files changed, 82 insertions, 1 deletions
diff --git a/modules/bullet/bullet_physics_server.cpp b/modules/bullet/bullet_physics_server.cpp index 6246a295ec..a387c26aaf 100644 --- a/modules/bullet/bullet_physics_server.cpp +++ b/modules/bullet/bullet_physics_server.cpp @@ -643,6 +643,20 @@ float BulletPhysicsServer::body_get_param(RID p_body, BodyParameter p_param) con return body->get_param(p_param); } +void BulletPhysicsServer::body_set_combine_mode(RID p_body, BodyParameter p_param, CombineMode p_mode) { + RigidBodyBullet *body = rigid_body_owner.get(p_body); + ERR_FAIL_COND(!body); + + body->set_combine_mode(p_param, p_mode); +} + +PhysicsServer::CombineMode BulletPhysicsServer::body_get_combine_mode(RID p_body, BodyParameter p_param) const { + RigidBodyBullet *body = rigid_body_owner.get(p_body); + ERR_FAIL_COND_V(!body, COMBINE_MODE_INHERIT); + + return body->get_combine_mode(p_param); +} + void BulletPhysicsServer::body_set_kinematic_safe_margin(RID p_body, real_t p_margin) { RigidBodyBullet *body = rigid_body_owner.get(p_body); ERR_FAIL_COND(!body); diff --git a/modules/bullet/bullet_physics_server.h b/modules/bullet/bullet_physics_server.h index e931915bba..06769106c3 100644 --- a/modules/bullet/bullet_physics_server.h +++ b/modules/bullet/bullet_physics_server.h @@ -213,6 +213,9 @@ public: virtual void body_set_param(RID p_body, BodyParameter p_param, float p_value); virtual float body_get_param(RID p_body, BodyParameter p_param) const; + virtual void body_set_combine_mode(RID p_body, BodyParameter p_param, CombineMode p_mode); + virtual CombineMode body_get_combine_mode(RID p_body, BodyParameter p_param) const; + virtual void body_set_kinematic_safe_margin(RID p_body, real_t p_margin); virtual real_t body_get_kinematic_safe_margin(RID p_body) const; diff --git a/modules/bullet/rigid_body_bullet.cpp b/modules/bullet/rigid_body_bullet.cpp index 2494063c22..03a359ea93 100644 --- a/modules/bullet/rigid_body_bullet.cpp +++ b/modules/bullet/rigid_body_bullet.cpp @@ -256,6 +256,8 @@ RigidBodyBullet::RigidBodyBullet() : angularDamp(0), can_sleep(true), omit_forces_integration(false), + restitution_combine_mode(PhysicsServer::COMBINE_MODE_INHERIT), + friction_combine_mode(PhysicsServer::COMBINE_MODE_INHERIT), force_integration_callback(NULL), isTransformChanged(false), previousActiveState(true), @@ -749,6 +751,22 @@ Vector3 RigidBodyBullet::get_angular_velocity() const { return gVec; } +void RigidBodyBullet::set_combine_mode(const PhysicsServer::BodyParameter p_param, const PhysicsServer::CombineMode p_mode) { + if (p_param == PhysicsServer::BODY_PARAM_BOUNCE) { + restitution_combine_mode = p_mode; + } else { + friction_combine_mode = p_mode; + } +} + +PhysicsServer::CombineMode RigidBodyBullet::get_combine_mode(PhysicsServer::BodyParameter p_param) const { + if (p_param == PhysicsServer::BODY_PARAM_BOUNCE) { + return restitution_combine_mode; + } else { + return friction_combine_mode; + } +} + void RigidBodyBullet::set_transform__bullet(const btTransform &p_global_transform) { if (mode == PhysicsServer::BODY_MODE_KINEMATIC) { // The kinematic use MotionState class diff --git a/modules/bullet/rigid_body_bullet.h b/modules/bullet/rigid_body_bullet.h index b9511243c7..911e93bfef 100644 --- a/modules/bullet/rigid_body_bullet.h +++ b/modules/bullet/rigid_body_bullet.h @@ -200,6 +200,9 @@ private: bool can_sleep; bool omit_forces_integration; + PhysicsServer::CombineMode restitution_combine_mode; + PhysicsServer::CombineMode friction_combine_mode; + Vector<CollisionData> collisions; // these parameters are used to avoid vector resize int maxCollisionsDetection; @@ -295,6 +298,12 @@ public: void set_angular_velocity(const Vector3 &p_velocity); Vector3 get_angular_velocity() const; + void set_combine_mode(const PhysicsServer::BodyParameter p_param, const PhysicsServer::CombineMode p_mode); + PhysicsServer::CombineMode get_combine_mode(PhysicsServer::BodyParameter p_param) const; + + _FORCE_INLINE_ PhysicsServer::CombineMode get_restitution_combine_mode() const { return restitution_combine_mode; } + _FORCE_INLINE_ PhysicsServer::CombineMode get_friction_combine_mode() const { return friction_combine_mode; } + virtual void set_transform__bullet(const btTransform &p_global_transform); virtual const btTransform &get_transform__bullet() const; diff --git a/modules/bullet/space_bullet.cpp b/modules/bullet/space_bullet.cpp index 3a1f5d78dd..f73bde828a 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); |