diff options
Diffstat (limited to 'servers/physics_2d/body_2d_sw.h')
| -rw-r--r-- | servers/physics_2d/body_2d_sw.h | 175 |
1 files changed, 55 insertions, 120 deletions
diff --git a/servers/physics_2d/body_2d_sw.h b/servers/physics_2d/body_2d_sw.h index 74bef433dc..95e89786cd 100644 --- a/servers/physics_2d/body_2d_sw.h +++ b/servers/physics_2d/body_2d_sw.h @@ -38,50 +38,58 @@ #include "core/templates/vset.h" class Constraint2DSW; +class PhysicsDirectBodyState2DSW; class Body2DSW : public CollisionObject2DSW { - PhysicsServer2D::BodyMode mode; + PhysicsServer2D::BodyMode mode = PhysicsServer2D::BODY_MODE_DYNAMIC; Vector2 biased_linear_velocity; - real_t biased_angular_velocity; + real_t biased_angular_velocity = 0.0; Vector2 linear_velocity; - real_t angular_velocity; + real_t angular_velocity = 0.0; - real_t linear_damp; - real_t angular_damp; - real_t gravity_scale; + Vector2 constant_linear_velocity; + real_t constant_angular_velocity = 0.0; - real_t mass; - real_t inertia; - real_t bounce; - real_t friction; + real_t linear_damp = -1.0; + real_t angular_damp = -1.0; + real_t gravity_scale = 1.0; - real_t _inv_mass; - real_t _inv_inertia; - bool user_inertia; + real_t bounce = 0.0; + real_t friction = 1.0; + + real_t mass = 1.0; + real_t _inv_mass = 1.0; + + real_t inertia = 0.0; + real_t _inv_inertia = 0.0; + + Vector2 center_of_mass; + + bool calculate_inertia = true; + bool calculate_center_of_mass = true; Vector2 gravity; - real_t area_linear_damp; - real_t area_angular_damp; + real_t area_linear_damp = 0.0; + real_t area_angular_damp = 0.0; - real_t still_time; + real_t still_time = 0.0; Vector2 applied_force; - real_t applied_torque; + real_t applied_torque = 0.0; SelfList<Body2DSW> active_list; - SelfList<Body2DSW> inertia_update_list; + SelfList<Body2DSW> mass_properties_update_list; SelfList<Body2DSW> direct_state_query_list; VSet<RID> exceptions; - PhysicsServer2D::CCDMode continuous_cd_mode; - bool omit_force_integration; - bool active; - bool can_sleep; - bool first_time_kinematic; - bool first_integration; - void _update_inertia(); + PhysicsServer2D::CCDMode continuous_cd_mode = PhysicsServer2D::CCD_MODE_DISABLED; + bool omit_force_integration = false; + bool active = true; + bool can_sleep = true; + bool first_time_kinematic = false; + void _mass_properties_changed(); virtual void _shapes_changed(); Transform2D new_transform; @@ -114,24 +122,32 @@ class Body2DSW : public CollisionObject2DSW { }; Vector<Contact> contacts; //no contacts by default - int contact_count; + int contact_count = 0; + + void *body_state_callback_instance = nullptr; + PhysicsServer2D::BodyStateCallback body_state_callback = nullptr; - struct ForceIntegrationCallback { + struct ForceIntegrationCallbackData { Callable callable; - Variant callback_udata; + Variant udata; }; - ForceIntegrationCallback *fi_callback; + ForceIntegrationCallbackData *fi_callback_data = nullptr; - uint64_t island_step; + PhysicsDirectBodyState2DSW *direct_state = nullptr; - _FORCE_INLINE_ void _compute_area_gravity_and_dampenings(const Area2DSW *p_area); + uint64_t island_step = 0; + + _FORCE_INLINE_ void _compute_area_gravity_and_damping(const Area2DSW *p_area); friend class PhysicsDirectBodyState2DSW; // i give up, too many functions to expose public: + void set_state_sync_callback(void *p_instance, PhysicsServer2D::BodyStateCallback p_callback); void set_force_integration_callback(const Callable &p_callable, const Variant &p_udata = Variant()); + PhysicsDirectBodyState2DSW *get_direct_state(); + _FORCE_INLINE_ void add_area(Area2DSW *p_area) { int index = areas.find(AreaCMP(p_area)); if (index > -1) { @@ -198,7 +214,7 @@ public: _FORCE_INLINE_ void apply_impulse(const Vector2 &p_impulse, const Vector2 &p_position = Vector2()) { linear_velocity += p_impulse * _inv_mass; - angular_velocity += _inv_inertia * p_position.cross(p_impulse); + angular_velocity += _inv_inertia * (p_position - center_of_mass).cross(p_impulse); } _FORCE_INLINE_ void apply_torque_impulse(real_t p_torque) { @@ -207,7 +223,7 @@ public: _FORCE_INLINE_ void apply_bias_impulse(const Vector2 &p_impulse, const Vector2 &p_position = Vector2()) { biased_linear_velocity += p_impulse * _inv_mass; - biased_angular_velocity += _inv_inertia * p_position.cross(p_impulse); + biased_angular_velocity += _inv_inertia * (p_position - center_of_mass).cross(p_impulse); } void set_active(bool p_active); @@ -220,8 +236,8 @@ public: set_active(true); } - void set_param(PhysicsServer2D::BodyParameter p_param, real_t); - real_t get_param(PhysicsServer2D::BodyParameter p_param) const; + void set_param(PhysicsServer2D::BodyParameter p_param, const Variant &p_value); + Variant get_param(PhysicsServer2D::BodyParameter p_param) const; void set_mode(PhysicsServer2D::BodyMode p_mode); PhysicsServer2D::BodyMode get_mode() const; @@ -241,7 +257,7 @@ public: _FORCE_INLINE_ void add_force(const Vector2 &p_force, const Vector2 &p_position = Vector2()) { applied_force += p_force; - applied_torque += p_position.cross(p_force); + applied_torque += (p_position - center_of_mass).cross(p_force); } _FORCE_INLINE_ void add_torque(real_t p_torque) { @@ -253,8 +269,10 @@ public: void set_space(Space2DSW *p_space); - void update_inertias(); + void update_mass_properties(); + void reset_mass_properties(); + _FORCE_INLINE_ Vector2 get_center_of_mass() const { return center_of_mass; } _FORCE_INLINE_ real_t get_inv_mass() const { return _inv_mass; } _FORCE_INLINE_ real_t get_inv_inertia() const { return _inv_inertia; } _FORCE_INLINE_ real_t get_friction() const { return friction; } @@ -332,87 +350,4 @@ void Body2DSW::add_contact(const Vector2 &p_local_pos, const Vector2 &p_local_no c[idx].collider_velocity_at_pos = p_collider_velocity_at_pos; } -class PhysicsDirectBodyState2DSW : public PhysicsDirectBodyState2D { - GDCLASS(PhysicsDirectBodyState2DSW, PhysicsDirectBodyState2D); - -public: - static PhysicsDirectBodyState2DSW *singleton; - Body2DSW *body; - real_t step; - - virtual Vector2 get_total_gravity() const override { return body->gravity; } // get gravity vector working on this body space/area - virtual real_t get_total_angular_damp() const override { return body->area_angular_damp; } // get density of this body space/area - virtual real_t get_total_linear_damp() const override { return body->area_linear_damp; } // get density of this body space/area - - virtual real_t get_inverse_mass() const override { return body->get_inv_mass(); } // get the mass - virtual real_t get_inverse_inertia() const override { return body->get_inv_inertia(); } // get density of this body space - - virtual void set_linear_velocity(const Vector2 &p_velocity) override { body->set_linear_velocity(p_velocity); } - virtual Vector2 get_linear_velocity() const override { return body->get_linear_velocity(); } - - virtual void set_angular_velocity(real_t p_velocity) override { body->set_angular_velocity(p_velocity); } - virtual real_t get_angular_velocity() const override { return body->get_angular_velocity(); } - - virtual void set_transform(const Transform2D &p_transform) override { body->set_state(PhysicsServer2D::BODY_STATE_TRANSFORM, p_transform); } - virtual Transform2D get_transform() const override { return body->get_transform(); } - - virtual Vector2 get_velocity_at_local_position(const Vector2 &p_position) const override { return body->get_velocity_in_local_point(p_position); } - - virtual void add_central_force(const Vector2 &p_force) override { body->add_central_force(p_force); } - virtual void add_force(const Vector2 &p_force, const Vector2 &p_position = Vector2()) override { body->add_force(p_force, p_position); } - virtual void add_torque(real_t p_torque) override { body->add_torque(p_torque); } - virtual void apply_central_impulse(const Vector2 &p_impulse) override { body->apply_central_impulse(p_impulse); } - virtual void apply_impulse(const Vector2 &p_impulse, const Vector2 &p_position = Vector2()) override { body->apply_impulse(p_impulse, p_position); } - virtual void apply_torque_impulse(real_t p_torque) override { body->apply_torque_impulse(p_torque); } - - virtual void set_sleep_state(bool p_enable) override { body->set_active(!p_enable); } - virtual bool is_sleeping() const override { return !body->is_active(); } - - virtual int get_contact_count() const override { return body->contact_count; } - - virtual Vector2 get_contact_local_position(int p_contact_idx) const override { - ERR_FAIL_INDEX_V(p_contact_idx, body->contact_count, Vector2()); - return body->contacts[p_contact_idx].local_pos; - } - virtual Vector2 get_contact_local_normal(int p_contact_idx) const override { - ERR_FAIL_INDEX_V(p_contact_idx, body->contact_count, Vector2()); - return body->contacts[p_contact_idx].local_normal; - } - virtual int get_contact_local_shape(int p_contact_idx) const override { - ERR_FAIL_INDEX_V(p_contact_idx, body->contact_count, -1); - return body->contacts[p_contact_idx].local_shape; - } - - virtual RID get_contact_collider(int p_contact_idx) const override { - ERR_FAIL_INDEX_V(p_contact_idx, body->contact_count, RID()); - return body->contacts[p_contact_idx].collider; - } - virtual Vector2 get_contact_collider_position(int p_contact_idx) const override { - ERR_FAIL_INDEX_V(p_contact_idx, body->contact_count, Vector2()); - return body->contacts[p_contact_idx].collider_pos; - } - virtual ObjectID get_contact_collider_id(int p_contact_idx) const override { - ERR_FAIL_INDEX_V(p_contact_idx, body->contact_count, ObjectID()); - return body->contacts[p_contact_idx].collider_instance_id; - } - virtual int get_contact_collider_shape(int p_contact_idx) const override { - ERR_FAIL_INDEX_V(p_contact_idx, body->contact_count, 0); - return body->contacts[p_contact_idx].collider_shape; - } - virtual Variant get_contact_collider_shape_metadata(int p_contact_idx) const override; - - virtual Vector2 get_contact_collider_velocity_at_position(int p_contact_idx) const override { - ERR_FAIL_INDEX_V(p_contact_idx, body->contact_count, Vector2()); - return body->contacts[p_contact_idx].collider_velocity_at_pos; - } - - virtual PhysicsDirectSpaceState2D *get_space_state() override; - - virtual real_t get_step() const override { return step; } - PhysicsDirectBodyState2DSW() { - singleton = this; - body = nullptr; - } -}; - #endif // BODY_2D_SW_H |