diff options
Diffstat (limited to 'servers/physics_2d')
-rw-r--r-- | servers/physics_2d/body_2d_sw.cpp | 191 | ||||
-rw-r--r-- | servers/physics_2d/body_2d_sw.h | 75 | ||||
-rw-r--r-- | servers/physics_2d/body_direct_state_2d_sw.cpp | 4 | ||||
-rw-r--r-- | servers/physics_2d/body_direct_state_2d_sw.h | 1 | ||||
-rw-r--r-- | servers/physics_2d/joints_2d_sw.cpp | 15 | ||||
-rw-r--r-- | servers/physics_2d/physics_server_2d_sw.cpp | 11 | ||||
-rw-r--r-- | servers/physics_2d/physics_server_2d_sw.h | 6 | ||||
-rw-r--r-- | servers/physics_2d/physics_server_2d_wrap_mt.h | 6 | ||||
-rw-r--r-- | servers/physics_2d/space_2d_sw.cpp | 18 | ||||
-rw-r--r-- | servers/physics_2d/space_2d_sw.h | 20 |
10 files changed, 197 insertions, 150 deletions
diff --git a/servers/physics_2d/body_2d_sw.cpp b/servers/physics_2d/body_2d_sw.cpp index 64f71fd25c..edd769aa9a 100644 --- a/servers/physics_2d/body_2d_sw.cpp +++ b/servers/physics_2d/body_2d_sw.cpp @@ -34,47 +34,72 @@ #include "body_direct_state_2d_sw.h" #include "space_2d_sw.h" -void Body2DSW::_update_inertia() { - if (!user_inertia && get_space() && !inertia_update_list.in_list()) { - get_space()->body_add_to_inertia_update_list(&inertia_update_list); +void Body2DSW::_mass_properties_changed() { + if (get_space() && !mass_properties_update_list.in_list() && (calculate_inertia || calculate_center_of_mass)) { + get_space()->body_add_to_mass_properties_update_list(&mass_properties_update_list); } } -void Body2DSW::update_inertias() { +void Body2DSW::update_mass_properties() { //update shapes and motions switch (mode) { case PhysicsServer2D::BODY_MODE_DYNAMIC: { - if (user_inertia) { - _inv_inertia = inertia > 0 ? (1.0 / inertia) : 0; - break; - } - //update tensor for allshapes, not the best way but should be somehow OK. (inspired from bullet) real_t total_area = 0; - for (int i = 0; i < get_shape_count(); i++) { + if (is_shape_disabled(i)) { + continue; + } total_area += get_shape_aabb(i).get_area(); } - inertia = 0; + if (calculate_center_of_mass) { + // We have to recompute the center of mass. + center_of_mass = Vector2(); - for (int i = 0; i < get_shape_count(); i++) { - if (is_shape_disabled(i)) { - continue; + if (total_area != 0.0) { + for (int i = 0; i < get_shape_count(); i++) { + if (is_shape_disabled(i)) { + continue; + } + + real_t area = get_shape_aabb(i).get_area(); + + real_t mass = area * this->mass / total_area; + + // NOTE: we assume that the shape origin is also its center of mass. + center_of_mass += mass * get_shape_transform(i).get_origin(); + } + + center_of_mass /= mass; } + } + + if (calculate_inertia) { + inertia = 0; + + for (int i = 0; i < get_shape_count(); i++) { + if (is_shape_disabled(i)) { + continue; + } - const Shape2DSW *shape = get_shape(i); + const Shape2DSW *shape = get_shape(i); - real_t area = get_shape_aabb(i).get_area(); + real_t area = get_shape_aabb(i).get_area(); + if (area == 0.0) { + continue; + } - real_t mass = area * this->mass / total_area; + real_t mass = area * this->mass / total_area; - Transform2D mtx = get_shape_transform(i); - Vector2 scale = mtx.get_scale(); - inertia += shape->get_moment_of_inertia(mass, scale) + mass * mtx.get_origin().length_squared(); + Transform2D mtx = get_shape_transform(i); + Vector2 scale = mtx.get_scale(); + Vector2 shape_origin = mtx.get_origin() - center_of_mass; + inertia += shape->get_moment_of_inertia(mass, scale) + mass * shape_origin.length_squared(); + } } - _inv_inertia = inertia > 0 ? (1.0 / inertia) : 0; + _inv_inertia = inertia > 0.0 ? (1.0 / inertia) : 0.0; if (mass) { _inv_mass = 1.0 / mass; @@ -94,9 +119,12 @@ void Body2DSW::update_inertias() { } break; } - //_update_inertia_tensor(); +} - //_update_shapes(); +void Body2DSW::reset_mass_properties() { + calculate_inertia = true; + calculate_center_of_mass = true; + _mass_properties_changed(); } void Body2DSW::set_active(bool p_active) { @@ -118,7 +146,7 @@ void Body2DSW::set_active(bool p_active) { } } -void Body2DSW::set_param(PhysicsServer2D::BodyParameter p_param, real_t p_value) { +void Body2DSW::set_param(PhysicsServer2D::BodyParameter p_param, const Variant &p_value) { switch (p_param) { case PhysicsServer2D::BODY_PARAM_BOUNCE: { bounce = p_value; @@ -127,21 +155,32 @@ void Body2DSW::set_param(PhysicsServer2D::BodyParameter p_param, real_t p_value) friction = p_value; } break; case PhysicsServer2D::BODY_PARAM_MASS: { - ERR_FAIL_COND(p_value <= 0); - mass = p_value; - _update_inertia(); - + real_t mass_value = p_value; + ERR_FAIL_COND(mass_value <= 0); + mass = mass_value; + if (mode >= PhysicsServer2D::BODY_MODE_DYNAMIC) { + _mass_properties_changed(); + } } break; case PhysicsServer2D::BODY_PARAM_INERTIA: { - if (p_value <= 0) { - user_inertia = false; - _update_inertia(); + real_t inertia_value = p_value; + if (inertia_value <= 0.0) { + calculate_inertia = true; + if (mode == PhysicsServer2D::BODY_MODE_DYNAMIC) { + _mass_properties_changed(); + } } else { - user_inertia = true; - inertia = p_value; - _inv_inertia = 1.0 / p_value; + calculate_inertia = false; + inertia = inertia_value; + if (mode == PhysicsServer2D::BODY_MODE_DYNAMIC) { + _inv_inertia = 1.0 / inertia; + } } } break; + case PhysicsServer2D::BODY_PARAM_CENTER_OF_MASS: { + calculate_center_of_mass = false; + center_of_mass = p_value; + } break; case PhysicsServer2D::BODY_PARAM_GRAVITY_SCALE: { gravity_scale = p_value; } break; @@ -156,7 +195,7 @@ void Body2DSW::set_param(PhysicsServer2D::BodyParameter p_param, real_t p_value) } } -real_t Body2DSW::get_param(PhysicsServer2D::BodyParameter p_param) const { +Variant Body2DSW::get_param(PhysicsServer2D::BodyParameter p_param) const { switch (p_param) { case PhysicsServer2D::BODY_PARAM_BOUNCE: { return bounce; @@ -170,6 +209,9 @@ real_t Body2DSW::get_param(PhysicsServer2D::BodyParameter p_param) const { case PhysicsServer2D::BODY_PARAM_INERTIA: { return inertia; } + case PhysicsServer2D::BODY_PARAM_CENTER_OF_MASS: { + return center_of_mass; + } case PhysicsServer2D::BODY_PARAM_GRAVITY_SCALE: { return gravity_scale; } @@ -207,7 +249,10 @@ void Body2DSW::set_mode(PhysicsServer2D::BodyMode p_mode) { } break; case PhysicsServer2D::BODY_MODE_DYNAMIC: { _inv_mass = mass > 0 ? (1.0 / mass) : 0; - _inv_inertia = inertia > 0 ? (1.0 / inertia) : 0; + if (!calculate_inertia) { + _inv_inertia = 1.0 / inertia; + } + _mass_properties_changed(); _set_static(false); set_active(true); @@ -215,18 +260,11 @@ void Body2DSW::set_mode(PhysicsServer2D::BodyMode p_mode) { case PhysicsServer2D::BODY_MODE_DYNAMIC_LOCKED: { _inv_mass = mass > 0 ? (1.0 / mass) : 0; _inv_inertia = 0; + angular_velocity = 0; _set_static(false); set_active(true); - angular_velocity = 0; - } break; - } - if (p_mode == PhysicsServer2D::BODY_MODE_DYNAMIC && _inv_inertia == 0) { - _update_inertia(); + } } - /* - if (get_space()) - _update_queries(); - */ } PhysicsServer2D::BodyMode Body2DSW::get_mode() const { @@ -234,7 +272,7 @@ PhysicsServer2D::BodyMode Body2DSW::get_mode() const { } void Body2DSW::_shapes_changed() { - _update_inertia(); + _mass_properties_changed(); wakeup_neighbours(); } @@ -269,11 +307,13 @@ void Body2DSW::set_state(PhysicsServer2D::BodyState p_state, const Variant &p_va } break; case PhysicsServer2D::BODY_STATE_LINEAR_VELOCITY: { linear_velocity = p_variant; + constant_linear_velocity = linear_velocity; wakeup(); } break; case PhysicsServer2D::BODY_STATE_ANGULAR_VELOCITY: { angular_velocity = p_variant; + constant_angular_velocity = angular_velocity; wakeup(); } break; @@ -296,7 +336,7 @@ void Body2DSW::set_state(PhysicsServer2D::BodyState p_state, const Variant &p_va } break; case PhysicsServer2D::BODY_STATE_CAN_SLEEP: { can_sleep = p_variant; - if (mode == PhysicsServer2D::BODY_MODE_DYNAMIC && !active && !can_sleep) { + if (mode >= PhysicsServer2D::BODY_MODE_DYNAMIC && !active && !can_sleep) { set_active(true); } @@ -330,8 +370,8 @@ void Body2DSW::set_space(Space2DSW *p_space) { if (get_space()) { wakeup_neighbours(); - if (inertia_update_list.in_list()) { - get_space()->body_remove_from_inertia_update_list(&inertia_update_list); + if (mass_properties_update_list.in_list()) { + get_space()->body_remove_from_mass_properties_update_list(&mass_properties_update_list); } if (active_list.in_list()) { get_space()->body_remove_from_active_list(&active_list); @@ -344,13 +384,11 @@ void Body2DSW::set_space(Space2DSW *p_space) { _set_space(p_space); if (get_space()) { - _update_inertia(); + _mass_properties_changed(); if (active) { get_space()->body_add_to_active_list(&active_list); } } - - first_integration = false; } void Body2DSW::_compute_area_gravity_and_damping(const Area2DSW *p_area) { @@ -429,10 +467,10 @@ void Body2DSW::integrate_forces(real_t p_step) { if (mode == PhysicsServer2D::BODY_MODE_KINEMATIC) { //compute motion, angular and etc. velocities from prev transform motion = new_transform.get_origin() - get_transform().get_origin(); - linear_velocity = motion / p_step; + linear_velocity = constant_linear_velocity + motion / p_step; real_t rot = new_transform.get_rotation() - get_transform().get_rotation(); - angular_velocity = remainder(rot, 2.0 * Math_PI) / p_step; + angular_velocity = constant_angular_velocity + remainder(rot, 2.0 * Math_PI) / p_step; do_motion = true; @@ -444,7 +482,7 @@ void Body2DSW::integrate_forces(real_t p_step) { */ } else { - if (!omit_force_integration && !first_integration) { + if (!omit_force_integration) { //overridden by direct state query Vector2 force = gravity * mass; @@ -478,7 +516,6 @@ void Body2DSW::integrate_forces(real_t p_step) { //motion=linear_velocity*p_step; - first_integration = false; biased_angular_velocity = 0; biased_linear_velocity = Vector2(); @@ -515,14 +552,22 @@ void Body2DSW::integrate_velocities(real_t p_step) { real_t angle = get_transform().get_rotation() + total_angular_velocity * p_step; Vector2 pos = get_transform().get_origin() + total_linear_velocity * p_step; + real_t center_of_mass_distance = center_of_mass.length(); + if (center_of_mass_distance > CMP_EPSILON) { + // Calculate displacement due to center of mass offset. + real_t prev_angle = get_transform().get_rotation(); + real_t angle_base = Math::atan2(center_of_mass.y, center_of_mass.x); + Vector2 point1(Math::cos(angle_base + prev_angle), Math::sin(angle_base + prev_angle)); + Vector2 point2(Math::cos(angle_base + angle), Math::sin(angle_base + angle)); + pos += center_of_mass_distance * (point1 - point2); + } + _set_transform(Transform2D(angle, pos), continuous_cd_mode == PhysicsServer2D::CCD_MODE_DISABLED); _set_inv_transform(get_transform().inverse()); if (continuous_cd_mode != PhysicsServer2D::CCD_MODE_DISABLED) { new_transform = get_transform(); } - - //_update_inertia_tensor(); } void Body2DSW::wakeup_neighbours() { @@ -536,7 +581,7 @@ void Body2DSW::wakeup_neighbours() { continue; } Body2DSW *b = n[i]; - if (b->mode != PhysicsServer2D::BODY_MODE_DYNAMIC) { + if (b->mode < PhysicsServer2D::BODY_MODE_DYNAMIC) { continue; } @@ -617,35 +662,9 @@ PhysicsDirectBodyState2DSW *Body2DSW::get_direct_state() { Body2DSW::Body2DSW() : CollisionObject2DSW(TYPE_BODY), active_list(this), - inertia_update_list(this), + mass_properties_update_list(this), direct_state_query_list(this) { - mode = PhysicsServer2D::BODY_MODE_DYNAMIC; - active = true; - angular_velocity = 0; - biased_angular_velocity = 0; - mass = 1; - inertia = 0; - user_inertia = false; - _inv_inertia = 0; - _inv_mass = 1; - bounce = 0; - friction = 1; - omit_force_integration = false; - applied_torque = 0; - island_step = 0; _set_static(false); - first_time_kinematic = false; - linear_damp = -1; - angular_damp = -1; - area_angular_damp = 0; - area_linear_damp = 0; - contact_count = 0; - gravity_scale = 1.0; - first_integration = false; - - still_time = 0; - continuous_cd_mode = PhysicsServer2D::CCD_MODE_DISABLED; - can_sleep = true; } Body2DSW::~Body2DSW() { diff --git a/servers/physics_2d/body_2d_sw.h b/servers/physics_2d/body_2d_sw.h index 9cd53ceca1..95e89786cd 100644 --- a/servers/physics_2d/body_2d_sw.h +++ b/servers/physics_2d/body_2d_sw.h @@ -41,48 +41,55 @@ 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; @@ -115,7 +122,7 @@ 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; @@ -129,7 +136,7 @@ class Body2DSW : public CollisionObject2DSW { PhysicsDirectBodyState2DSW *direct_state = nullptr; - uint64_t island_step; + uint64_t island_step = 0; _FORCE_INLINE_ void _compute_area_gravity_and_damping(const Area2DSW *p_area); @@ -207,7 +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) { @@ -216,7 +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); @@ -229,8 +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; @@ -250,7 +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) { @@ -262,8 +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; } diff --git a/servers/physics_2d/body_direct_state_2d_sw.cpp b/servers/physics_2d/body_direct_state_2d_sw.cpp index 1f68cca843..58250c3077 100644 --- a/servers/physics_2d/body_direct_state_2d_sw.cpp +++ b/servers/physics_2d/body_direct_state_2d_sw.cpp @@ -46,6 +46,10 @@ real_t PhysicsDirectBodyState2DSW::get_total_linear_damp() const { return body->area_linear_damp; } +Vector2 PhysicsDirectBodyState2DSW::get_center_of_mass() const { + return body->get_center_of_mass(); +} + real_t PhysicsDirectBodyState2DSW::get_inverse_mass() const { return body->get_inv_mass(); } diff --git a/servers/physics_2d/body_direct_state_2d_sw.h b/servers/physics_2d/body_direct_state_2d_sw.h index aef9186086..34faa174d8 100644 --- a/servers/physics_2d/body_direct_state_2d_sw.h +++ b/servers/physics_2d/body_direct_state_2d_sw.h @@ -45,6 +45,7 @@ public: virtual real_t get_total_angular_damp() const override; virtual real_t get_total_linear_damp() const override; + virtual Vector2 get_center_of_mass() const override; virtual real_t get_inverse_mass() const override; virtual real_t get_inverse_inertia() const override; diff --git a/servers/physics_2d/joints_2d_sw.cpp b/servers/physics_2d/joints_2d_sw.cpp index 5a0a628fbc..fa8499a81d 100644 --- a/servers/physics_2d/joints_2d_sw.cpp +++ b/servers/physics_2d/joints_2d_sw.cpp @@ -68,13 +68,13 @@ static inline real_t k_scalar(Body2DSW *a, Body2DSW *b, const Vector2 &rA, const { value += a->get_inv_mass(); - real_t rcn = rA.cross(n); + real_t rcn = (rA - a->get_center_of_mass()).cross(n); value += a->get_inv_inertia() * rcn * rcn; } if (b) { value += b->get_inv_mass(); - real_t rcn = rB.cross(n); + real_t rcn = (rB - b->get_center_of_mass()).cross(n); value += b->get_inv_inertia() * rcn * rcn; } @@ -83,9 +83,9 @@ static inline real_t k_scalar(Body2DSW *a, Body2DSW *b, const Vector2 &rA, const static inline Vector2 relative_velocity(Body2DSW *a, Body2DSW *b, Vector2 rA, Vector2 rB) { - Vector2 sum = a->get_linear_velocity() - rA.orthogonal() * a->get_angular_velocity(); + Vector2 sum = a->get_linear_velocity() - (rA - a->get_center_of_mass()).orthogonal() * a->get_angular_velocity(); if (b) { - return (b->get_linear_velocity() - rB.orthogonal() * b->get_angular_velocity()) - sum; + return (b->get_linear_velocity() - (rB - b->get_center_of_mass()).orthogonal() * b->get_angular_velocity()) - sum; } else { return -sum; } @@ -172,11 +172,11 @@ bool PinJoint2DSW::pre_solve(real_t p_step) { void PinJoint2DSW::solve(real_t p_step) { // compute relative velocity - Vector2 vA = A->get_linear_velocity() - custom_cross(rA, A->get_angular_velocity()); + Vector2 vA = A->get_linear_velocity() - custom_cross(rA - A->get_center_of_mass(), A->get_angular_velocity()); Vector2 rel_vel; if (B) { - rel_vel = B->get_linear_velocity() - custom_cross(rB, B->get_angular_velocity()) - vA; + rel_vel = B->get_linear_velocity() - custom_cross(rB - B->get_center_of_mass(), B->get_angular_velocity()) - vA; } else { rel_vel = -vA; } @@ -238,6 +238,9 @@ k_tensor(Body2DSW *a, Body2DSW *b, Vector2 r1, Vector2 r2, Vector2 *k1, Vector2 k21 = 0.0f; k22 = m_sum; + r1 -= a->get_center_of_mass(); + r2 -= b->get_center_of_mass(); + // add the influence from r1 real_t a_i_inv = a->get_inv_inertia(); real_t r1xsq = r1.x * r1.x * a_i_inv; diff --git a/servers/physics_2d/physics_server_2d_sw.cpp b/servers/physics_2d/physics_server_2d_sw.cpp index 85b5e40752..d0a42ca95b 100644 --- a/servers/physics_2d/physics_server_2d_sw.cpp +++ b/servers/physics_2d/physics_server_2d_sw.cpp @@ -743,20 +743,27 @@ uint32_t PhysicsServer2DSW::body_get_collision_mask(RID p_body) const { return body->get_collision_mask(); }; -void PhysicsServer2DSW::body_set_param(RID p_body, BodyParameter p_param, real_t p_value) { +void PhysicsServer2DSW::body_set_param(RID p_body, BodyParameter p_param, const Variant &p_value) { Body2DSW *body = body_owner.getornull(p_body); ERR_FAIL_COND(!body); body->set_param(p_param, p_value); }; -real_t PhysicsServer2DSW::body_get_param(RID p_body, BodyParameter p_param) const { +Variant PhysicsServer2DSW::body_get_param(RID p_body, BodyParameter p_param) const { Body2DSW *body = body_owner.getornull(p_body); ERR_FAIL_COND_V(!body, 0); return body->get_param(p_param); }; +void PhysicsServer2DSW::body_reset_mass_properties(RID p_body) { + Body2DSW *body = body_owner.getornull(p_body); + ERR_FAIL_COND(!body); + + return body->reset_mass_properties(); +} + void PhysicsServer2DSW::body_set_state(RID p_body, BodyState p_state, const Variant &p_variant) { Body2DSW *body = body_owner.getornull(p_body); ERR_FAIL_COND(!body); diff --git a/servers/physics_2d/physics_server_2d_sw.h b/servers/physics_2d/physics_server_2d_sw.h index ef1306cf59..6a2d9e37e0 100644 --- a/servers/physics_2d/physics_server_2d_sw.h +++ b/servers/physics_2d/physics_server_2d_sw.h @@ -205,8 +205,10 @@ public: virtual void body_set_collision_mask(RID p_body, uint32_t p_mask) override; virtual uint32_t body_get_collision_mask(RID p_body) const override; - virtual void body_set_param(RID p_body, BodyParameter p_param, real_t p_value) override; - virtual real_t body_get_param(RID p_body, BodyParameter p_param) const override; + virtual void body_set_param(RID p_body, BodyParameter p_param, const Variant &p_value) override; + virtual Variant body_get_param(RID p_body, BodyParameter p_param) const override; + + virtual void body_reset_mass_properties(RID p_body) override; virtual void body_set_state(RID p_body, BodyState p_state, const Variant &p_variant) override; virtual Variant body_get_state(RID p_body, BodyState p_state) const override; diff --git a/servers/physics_2d/physics_server_2d_wrap_mt.h b/servers/physics_2d/physics_server_2d_wrap_mt.h index 6761e37daa..e65c4f5f3a 100644 --- a/servers/physics_2d/physics_server_2d_wrap_mt.h +++ b/servers/physics_2d/physics_server_2d_wrap_mt.h @@ -212,8 +212,10 @@ public: FUNC2(body_set_collision_mask, RID, uint32_t); FUNC1RC(uint32_t, body_get_collision_mask, RID); - FUNC3(body_set_param, RID, BodyParameter, real_t); - FUNC2RC(real_t, body_get_param, RID, BodyParameter); + FUNC3(body_set_param, RID, BodyParameter, const Variant &); + FUNC2RC(Variant, body_get_param, RID, BodyParameter); + + FUNC1(body_reset_mass_properties, RID); FUNC3(body_set_state, RID, BodyState, const Variant &); FUNC2RC(Variant, body_get_state, RID, BodyState); diff --git a/servers/physics_2d/space_2d_sw.cpp b/servers/physics_2d/space_2d_sw.cpp index 6c23f49928..7dbd1243cc 100644 --- a/servers/physics_2d/space_2d_sw.cpp +++ b/servers/physics_2d/space_2d_sw.cpp @@ -482,7 +482,7 @@ bool PhysicsDirectSpaceState2DSW::rest_info(RID p_shape, const Transform2D &p_sh r_info->metadata = rcd.best_object->get_shape_metadata(rcd.best_shape); if (rcd.best_object->get_type() == CollisionObject2DSW::TYPE_BODY) { const Body2DSW *body = static_cast<const Body2DSW *>(rcd.best_object); - Vector2 rel_vec = r_info->point - body->get_transform().get_origin(); + Vector2 rel_vec = r_info->point - (body->get_transform().get_origin() + body->get_center_of_mass()); r_info->linear_velocity = Vector2(-body->get_angular_velocity() * rel_vec.y, body->get_angular_velocity() * rel_vec.x) + body->get_linear_velocity(); } else { @@ -961,7 +961,7 @@ bool Space2DSW::test_body_motion(Body2DSW *p_body, const Transform2D &p_from, co r_result->collider_metadata = rcd.best_object->get_shape_metadata(rcd.best_shape); const Body2DSW *body = static_cast<const Body2DSW *>(rcd.best_object); - Vector2 rel_vec = r_result->collision_point - body->get_transform().get_origin(); + Vector2 rel_vec = r_result->collision_point - (body->get_transform().get_origin() + body->get_center_of_mass()); r_result->collider_velocity = Vector2(-body->get_angular_velocity() * rel_vec.y, body->get_angular_velocity() * rel_vec.x) + body->get_linear_velocity(); r_result->travel = safe * p_motion; @@ -1041,12 +1041,12 @@ void Space2DSW::body_remove_from_active_list(SelfList<Body2DSW> *p_body) { active_list.remove(p_body); } -void Space2DSW::body_add_to_inertia_update_list(SelfList<Body2DSW> *p_body) { - inertia_update_list.add(p_body); +void Space2DSW::body_add_to_mass_properties_update_list(SelfList<Body2DSW> *p_body) { + mass_properties_update_list.add(p_body); } -void Space2DSW::body_remove_from_inertia_update_list(SelfList<Body2DSW> *p_body) { - inertia_update_list.remove(p_body); +void Space2DSW::body_remove_from_mass_properties_update_list(SelfList<Body2DSW> *p_body) { + mass_properties_update_list.remove(p_body); } BroadPhase2DSW *Space2DSW::get_broadphase() { @@ -1112,9 +1112,9 @@ void Space2DSW::call_queries() { void Space2DSW::setup() { contact_debug_count = 0; - while (inertia_update_list.first()) { - inertia_update_list.first()->self()->update_inertias(); - inertia_update_list.remove(inertia_update_list.first()); + while (mass_properties_update_list.first()) { + mass_properties_update_list.first()->self()->update_mass_properties(); + mass_properties_update_list.remove(mass_properties_update_list.first()); } } diff --git a/servers/physics_2d/space_2d_sw.h b/servers/physics_2d/space_2d_sw.h index 5de071a475..ad82a14af5 100644 --- a/servers/physics_2d/space_2d_sw.h +++ b/servers/physics_2d/space_2d_sw.h @@ -49,13 +49,13 @@ class PhysicsDirectSpaceState2DSW : public PhysicsDirectSpaceState2D { public: Space2DSW *space; - virtual int intersect_point(const Vector2 &p_point, ShapeResult *r_results, int p_result_max, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_mask = 0xFFFFFFFF, bool p_collide_with_bodies = true, bool p_collide_with_areas = false, bool p_pick_point = false) override; - virtual int intersect_point_on_canvas(const Vector2 &p_point, ObjectID p_canvas_instance_id, ShapeResult *r_results, int p_result_max, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_mask = 0xFFFFFFFF, bool p_collide_with_bodies = true, bool p_collide_with_areas = false, bool p_pick_point = false) override; - virtual bool intersect_ray(const Vector2 &p_from, const Vector2 &p_to, RayResult &r_result, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_mask = 0xFFFFFFFF, bool p_collide_with_bodies = true, bool p_collide_with_areas = false) override; - virtual int intersect_shape(const RID &p_shape, const Transform2D &p_xform, const Vector2 &p_motion, real_t p_margin, ShapeResult *r_results, int p_result_max, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_mask = 0xFFFFFFFF, bool p_collide_with_bodies = true, bool p_collide_with_areas = false) override; - virtual bool cast_motion(const RID &p_shape, const Transform2D &p_xform, const Vector2 &p_motion, real_t p_margin, real_t &p_closest_safe, real_t &p_closest_unsafe, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_mask = 0xFFFFFFFF, bool p_collide_with_bodies = true, bool p_collide_with_areas = false) override; - virtual bool collide_shape(RID p_shape, const Transform2D &p_shape_xform, const Vector2 &p_motion, real_t p_margin, Vector2 *r_results, int p_result_max, int &r_result_count, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_mask = 0xFFFFFFFF, bool p_collide_with_bodies = true, bool p_collide_with_areas = false) override; - virtual bool rest_info(RID p_shape, const Transform2D &p_shape_xform, const Vector2 &p_motion, real_t p_margin, ShapeRestInfo *r_info, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_mask = 0xFFFFFFFF, bool p_collide_with_bodies = true, bool p_collide_with_areas = false) override; + virtual int intersect_point(const Vector2 &p_point, ShapeResult *r_results, int p_result_max, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_mask = UINT32_MAX, bool p_collide_with_bodies = true, bool p_collide_with_areas = false, bool p_pick_point = false) override; + virtual int intersect_point_on_canvas(const Vector2 &p_point, ObjectID p_canvas_instance_id, ShapeResult *r_results, int p_result_max, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_mask = UINT32_MAX, bool p_collide_with_bodies = true, bool p_collide_with_areas = false, bool p_pick_point = false) override; + virtual bool intersect_ray(const Vector2 &p_from, const Vector2 &p_to, RayResult &r_result, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_mask = UINT32_MAX, bool p_collide_with_bodies = true, bool p_collide_with_areas = false) override; + virtual int intersect_shape(const RID &p_shape, const Transform2D &p_xform, const Vector2 &p_motion, real_t p_margin, ShapeResult *r_results, int p_result_max, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_mask = UINT32_MAX, bool p_collide_with_bodies = true, bool p_collide_with_areas = false) override; + virtual bool cast_motion(const RID &p_shape, const Transform2D &p_xform, const Vector2 &p_motion, real_t p_margin, real_t &p_closest_safe, real_t &p_closest_unsafe, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_mask = UINT32_MAX, bool p_collide_with_bodies = true, bool p_collide_with_areas = false) override; + virtual bool collide_shape(RID p_shape, const Transform2D &p_shape_xform, const Vector2 &p_motion, real_t p_margin, Vector2 *r_results, int p_result_max, int &r_result_count, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_mask = UINT32_MAX, bool p_collide_with_bodies = true, bool p_collide_with_areas = false) override; + virtual bool rest_info(RID p_shape, const Transform2D &p_shape_xform, const Vector2 &p_motion, real_t p_margin, ShapeRestInfo *r_info, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_mask = UINT32_MAX, bool p_collide_with_bodies = true, bool p_collide_with_areas = false) override; PhysicsDirectSpaceState2DSW(); }; @@ -86,7 +86,7 @@ private: BroadPhase2DSW *broadphase; SelfList<Body2DSW>::List active_list; - SelfList<Body2DSW>::List inertia_update_list; + SelfList<Body2DSW>::List mass_properties_update_list; SelfList<Body2DSW>::List state_query_list; SelfList<Area2DSW>::List monitor_query_list; SelfList<Area2DSW>::List area_moved_list; @@ -140,8 +140,8 @@ public: const SelfList<Body2DSW>::List &get_active_body_list() const; void body_add_to_active_list(SelfList<Body2DSW> *p_body); void body_remove_from_active_list(SelfList<Body2DSW> *p_body); - void body_add_to_inertia_update_list(SelfList<Body2DSW> *p_body); - void body_remove_from_inertia_update_list(SelfList<Body2DSW> *p_body); + void body_add_to_mass_properties_update_list(SelfList<Body2DSW> *p_body); + void body_remove_from_mass_properties_update_list(SelfList<Body2DSW> *p_body); void area_add_to_moved_list(SelfList<Area2DSW> *p_area); void area_remove_from_moved_list(SelfList<Area2DSW> *p_area); const SelfList<Area2DSW>::List &get_moved_area_list() const; |