From 5f66734d2d70951b273a078a3ee20e406cf0f84d Mon Sep 17 00:00:00 2001 From: AndreaCatania Date: Tue, 24 Oct 2017 18:10:30 +0200 Subject: Implemented physics material Hidden a function Fixed travis static check --- servers/physics/body_pair_sw.cpp | 42 +++++++++++++++++++++++++++++++++-- servers/physics/body_sw.cpp | 16 +++++++++++++ servers/physics/body_sw.h | 8 +++++++ servers/physics/physics_server_sw.cpp | 14 ++++++++++++ servers/physics/physics_server_sw.h | 4 ++++ 5 files changed, 82 insertions(+), 2 deletions(-) (limited to 'servers/physics') diff --git a/servers/physics/body_pair_sw.cpp b/servers/physics/body_pair_sw.cpp index 2a6a9e08ae..5a41b621eb 100644 --- a/servers/physics/body_pair_sw.cpp +++ b/servers/physics/body_pair_sw.cpp @@ -211,6 +211,44 @@ bool BodyPairSW::_test_ccd(real_t p_step, BodySW *p_A, int p_shape_A, const Tran return true; } +real_t combine_bounce(BodySW *A, BodySW *B) { + const PhysicsServer::CombineMode cm = A->get_bounce_combine_mode(); + + switch (cm) { + case PhysicsServer::COMBINE_MODE_INHERIT: + if (B->get_bounce_combine_mode() != PhysicsServer::COMBINE_MODE_INHERIT) + return combine_bounce(B, A); + // else use MAX [This is used when the two bodies doesn't use physical material] + case PhysicsServer::COMBINE_MODE_MAX: + return MAX(A->get_bounce(), B->get_bounce()); + case PhysicsServer::COMBINE_MODE_MIN: + return MIN(A->get_bounce(), B->get_bounce()); + case PhysicsServer::COMBINE_MODE_MULTIPLY: + return A->get_bounce() * B->get_bounce(); + default: // Is always PhysicsServer::COMBINE_MODE_AVERAGE: + return (A->get_bounce() + B->get_bounce()) / 2; + } +} + +real_t combine_friction(BodySW *A, BodySW *B) { + const PhysicsServer::CombineMode cm = A->get_friction_combine_mode(); + + switch (cm) { + case PhysicsServer::COMBINE_MODE_INHERIT: + if (B->get_friction_combine_mode() != PhysicsServer::COMBINE_MODE_INHERIT) + return combine_friction(B, A); + // else use Multiply [This is used when the two bodies doesn't use physical material] + case PhysicsServer::COMBINE_MODE_MULTIPLY: + return A->get_friction() * B->get_friction(); + case PhysicsServer::COMBINE_MODE_MAX: + return MAX(A->get_friction(), B->get_friction()); + case PhysicsServer::COMBINE_MODE_MIN: + return MIN(A->get_friction(), B->get_friction()); + default: // Is always PhysicsServer::COMBINE_MODE_AVERAGE: + return (A->get_friction() + B->get_friction()) / 2; + } +} + bool BodyPairSW::setup(real_t p_step) { //cannot collide @@ -331,7 +369,7 @@ bool BodyPairSW::setup(real_t p_step) { c.acc_bias_impulse = 0; c.acc_bias_impulse_center_of_mass = 0; - c.bounce = MAX(A->get_bounce(), B->get_bounce()); + c.bounce = combine_bounce(A, B); if (c.bounce) { Vector3 crA = A->get_angular_velocity().cross(c.rA); @@ -421,7 +459,7 @@ void BodyPairSW::solve(real_t p_step) { //friction impulse - real_t friction = A->get_friction() * B->get_friction(); + real_t friction = combine_friction(A, B); Vector3 lvA = A->get_linear_velocity() + A->get_angular_velocity().cross(c.rA); Vector3 lvB = B->get_linear_velocity() + B->get_angular_velocity().cross(c.rB); diff --git a/servers/physics/body_sw.cpp b/servers/physics/body_sw.cpp index cc9681193c..59f987fc17 100644 --- a/servers/physics/body_sw.cpp +++ b/servers/physics/body_sw.cpp @@ -423,6 +423,22 @@ void BodySW::_compute_area_gravity_and_dampenings(const AreaSW *p_area) { area_angular_damp += p_area->get_angular_damp(); } +void BodySW::set_combine_mode(PhysicsServer::BodyParameter p_param, PhysicsServer::CombineMode p_mode) { + if (p_param == PhysicsServer::BODY_PARAM_BOUNCE) { + bounce_combine_mode = p_mode; + } else { + friction_combine_mode = p_mode; + } +} + +PhysicsServer::CombineMode BodySW::get_combine_mode(PhysicsServer::BodyParameter p_param) const { + if (p_param == PhysicsServer::BODY_PARAM_BOUNCE) { + return bounce_combine_mode; + } else { + return friction_combine_mode; + } +} + void BodySW::set_axis_lock(PhysicsServer::BodyAxis p_axis, bool lock) { if (lock) { locked_axis |= p_axis; diff --git a/servers/physics/body_sw.h b/servers/physics/body_sw.h index fd2ab16b84..25eb20f5d8 100644 --- a/servers/physics/body_sw.h +++ b/servers/physics/body_sw.h @@ -49,6 +49,8 @@ class BodySW : public CollisionObjectSW { real_t mass; real_t bounce; real_t friction; + PhysicsServer::CombineMode bounce_combine_mode; + PhysicsServer::CombineMode friction_combine_mode; real_t linear_damp; real_t angular_damp; @@ -298,6 +300,12 @@ public: _FORCE_INLINE_ Vector3 get_gravity() const { return gravity; } _FORCE_INLINE_ real_t get_bounce() const { return bounce; } + void set_combine_mode(PhysicsServer::BodyParameter p_param, PhysicsServer::CombineMode p_mode); + PhysicsServer::CombineMode get_combine_mode(PhysicsServer::BodyParameter p_param) const; + + _FORCE_INLINE_ PhysicsServer::CombineMode get_bounce_combine_mode() const { return bounce_combine_mode; } + _FORCE_INLINE_ PhysicsServer::CombineMode get_friction_combine_mode() const { return friction_combine_mode; } + void set_axis_lock(PhysicsServer::BodyAxis p_axis, bool lock); bool is_axis_locked(PhysicsServer::BodyAxis p_axis) const; diff --git a/servers/physics/physics_server_sw.cpp b/servers/physics/physics_server_sw.cpp index f2dbb635f8..57fa4f2511 100644 --- a/servers/physics/physics_server_sw.cpp +++ b/servers/physics/physics_server_sw.cpp @@ -696,6 +696,20 @@ real_t PhysicsServerSW::body_get_param(RID p_body, BodyParameter p_param) const return body->get_param(p_param); }; +void PhysicsServerSW::body_set_combine_mode(RID p_body, BodyParameter p_param, CombineMode p_mode) { + BodySW *body = body_owner.get(p_body); + ERR_FAIL_COND(!body); + + body->set_combine_mode(p_param, p_mode); +} + +PhysicsServer::CombineMode PhysicsServerSW::body_get_combine_mode(RID p_body, BodyParameter p_param) const { + BodySW *body = body_owner.get(p_body); + ERR_FAIL_COND_V(!body, COMBINE_MODE_INHERIT); + + return body->get_combine_mode(p_param); +} + void PhysicsServerSW::body_set_kinematic_safe_margin(RID p_body, real_t p_margin) { BodySW *body = body_owner.get(p_body); ERR_FAIL_COND(!body); diff --git a/servers/physics/physics_server_sw.h b/servers/physics/physics_server_sw.h index 3f56ba26d0..d8c73abb16 100644 --- a/servers/physics/physics_server_sw.h +++ b/servers/physics/physics_server_sw.h @@ -188,6 +188,10 @@ public: virtual void body_set_param(RID p_body, BodyParameter p_param, real_t p_value); virtual real_t body_get_param(RID p_body, BodyParameter p_param) const; + /// p_param accept only Bounce and Friction + 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; -- cgit v1.2.3