diff options
Diffstat (limited to 'servers/physics_2d/body_pair_2d_sw.cpp')
| -rw-r--r-- | servers/physics_2d/body_pair_2d_sw.cpp | 329 |
1 files changed, 147 insertions, 182 deletions
diff --git a/servers/physics_2d/body_pair_2d_sw.cpp b/servers/physics_2d/body_pair_2d_sw.cpp index c05d61b65..ee94a7ace 100644 --- a/servers/physics_2d/body_pair_2d_sw.cpp +++ b/servers/physics_2d/body_pair_2d_sw.cpp @@ -30,54 +30,52 @@ #include "collision_solver_2d_sw.h" #include "space_2d_sw.h" - #define POSITION_CORRECTION #define ACCUMULATE_IMPULSES -void BodyPair2DSW::_add_contact(const Vector2& p_point_A,const Vector2& p_point_B,void *p_self) { +void BodyPair2DSW::_add_contact(const Vector2 &p_point_A, const Vector2 &p_point_B, void *p_self) { BodyPair2DSW *self = (BodyPair2DSW *)p_self; - self->_contact_added_callback(p_point_A,p_point_B); - + self->_contact_added_callback(p_point_A, p_point_B); } -void BodyPair2DSW::_contact_added_callback(const Vector2& p_point_A,const Vector2& p_point_B) { +void BodyPair2DSW::_contact_added_callback(const Vector2 &p_point_A, const Vector2 &p_point_B) { // check if we already have the contact Vector2 local_A = A->get_inv_transform().basis_xform(p_point_A); - Vector2 local_B = B->get_inv_transform().basis_xform(p_point_B-offset_B); + Vector2 local_B = B->get_inv_transform().basis_xform(p_point_B - offset_B); int new_index = contact_count; - ERR_FAIL_COND( new_index >= (MAX_CONTACTS+1) ); + ERR_FAIL_COND(new_index >= (MAX_CONTACTS + 1)); Contact contact; - contact.acc_normal_impulse=0; - contact.acc_bias_impulse=0; - contact.acc_tangent_impulse=0; - contact.local_A=local_A; - contact.local_B=local_B; - contact.reused=true; - contact.normal=(p_point_A-p_point_B).normalized(); + contact.acc_normal_impulse = 0; + contact.acc_bias_impulse = 0; + contact.acc_tangent_impulse = 0; + contact.local_A = local_A; + contact.local_B = local_B; + contact.reused = true; + contact.normal = (p_point_A - p_point_B).normalized(); // attempt to determine if the contact will be reused real_t recycle_radius_2 = space->get_contact_recycle_radius() * space->get_contact_recycle_radius(); - for (int i=0;i<contact_count;i++) { + for (int i = 0; i < contact_count; i++) { - Contact& c = contacts[i]; + Contact &c = contacts[i]; if ( - c.local_A.distance_squared_to( local_A ) < (recycle_radius_2) && - c.local_B.distance_squared_to( local_B ) < (recycle_radius_2) ) { + c.local_A.distance_squared_to(local_A) < (recycle_radius_2) && + c.local_B.distance_squared_to(local_B) < (recycle_radius_2)) { - contact.acc_normal_impulse=c.acc_normal_impulse; - contact.acc_tangent_impulse=c.acc_tangent_impulse; - contact.acc_bias_impulse=c.acc_bias_impulse; - new_index=i; + contact.acc_normal_impulse = c.acc_normal_impulse; + contact.acc_tangent_impulse = c.acc_tangent_impulse; + contact.acc_bias_impulse = c.acc_bias_impulse; + new_index = i; break; } } @@ -88,44 +86,41 @@ void BodyPair2DSW::_contact_added_callback(const Vector2& p_point_A,const Vector // remove the contact with the minimum depth - int least_deep=-1; - real_t min_depth=1e10; + int least_deep = -1; + real_t min_depth = 1e10; + for (int i = 0; i <= contact_count; i++) { - for (int i=0;i<=contact_count;i++) { - - Contact& c = (i==contact_count)?contact:contacts[i]; + Contact &c = (i == contact_count) ? contact : contacts[i]; Vector2 global_A = A->get_transform().basis_xform(c.local_A); - Vector2 global_B = B->get_transform().basis_xform(c.local_B)+offset_B; + Vector2 global_B = B->get_transform().basis_xform(c.local_B) + offset_B; Vector2 axis = global_A - global_B; - real_t depth = axis.dot( c.normal ); - + real_t depth = axis.dot(c.normal); - if (depth<min_depth) { + if (depth < min_depth) { - min_depth=depth; - least_deep=i; + min_depth = depth; + least_deep = i; } } - ERR_FAIL_COND(least_deep==-1); + ERR_FAIL_COND(least_deep == -1); if (least_deep < contact_count) { //replace the last deep contact by the new one - contacts[least_deep]=contact; + contacts[least_deep] = contact; } return; } - contacts[new_index]=contact; + contacts[new_index] = contact; - if (new_index==contact_count) { + if (new_index == contact_count) { contact_count++; } - } void BodyPair2DSW::_validate_contacts() { @@ -133,39 +128,35 @@ void BodyPair2DSW::_validate_contacts() { //make sure to erase contacts that are no longer valid real_t max_separation = space->get_contact_max_separation(); - real_t max_separation2 = max_separation*max_separation; + real_t max_separation2 = max_separation * max_separation; - for (int i=0;i<contact_count;i++) { + for (int i = 0; i < contact_count; i++) { - Contact& c = contacts[i]; + Contact &c = contacts[i]; - bool erase=false; - if (c.reused==false) { + bool erase = false; + if (c.reused == false) { //was left behind in previous frame - erase=true; + erase = true; } else { - c.reused=false; + c.reused = false; Vector2 global_A = A->get_transform().basis_xform(c.local_A); - Vector2 global_B = B->get_transform().basis_xform(c.local_B)+offset_B; + Vector2 global_B = B->get_transform().basis_xform(c.local_B) + offset_B; Vector2 axis = global_A - global_B; - real_t depth = axis.dot( c.normal ); - - + real_t depth = axis.dot(c.normal); if (depth < -max_separation || (global_B + c.normal * depth - global_A).length_squared() > max_separation2) { - erase=true; + erase = true; } } if (erase) { // contact no longer needed, remove - - if ((i+1) < contact_count) { + if ((i + 1) < contact_count) { // swap with the last one - SWAP( contacts[i], contacts[ contact_count-1 ] ); - + SWAP(contacts[i], contacts[contact_count - 1]); } i--; @@ -174,21 +165,18 @@ void BodyPair2DSW::_validate_contacts() { } } +bool BodyPair2DSW::_test_ccd(real_t p_step, Body2DSW *p_A, int p_shape_A, const Transform2D &p_xform_A, Body2DSW *p_B, int p_shape_B, const Transform2D &p_xform_B, bool p_swap_result) { -bool BodyPair2DSW::_test_ccd(real_t p_step,Body2DSW *p_A, int p_shape_A,const Transform2D& p_xform_A,Body2DSW *p_B, int p_shape_B,const Transform2D& p_xform_B,bool p_swap_result) { - - - - Vector2 motion = p_A->get_linear_velocity()*p_step; + Vector2 motion = p_A->get_linear_velocity() * p_step; real_t mlen = motion.length(); - if (mlen<CMP_EPSILON) + if (mlen < CMP_EPSILON) return false; Vector2 mnormal = motion / mlen; - real_t min,max; - p_A->get_shape(p_shape_A)->project_rangev(mnormal,p_xform_A,min,max); - bool fast_object = mlen > (max-min)*0.3; //going too fast in that direction + real_t min, max; + p_A->get_shape(p_shape_A)->project_rangev(mnormal, p_xform_A, min, max); + bool fast_object = mlen > (max - min) * 0.3; //going too fast in that direction if (!fast_object) { //did it move enough in this direction to even attempt raycast? let's say it should move more than 1/3 the size of the object in that axis return false; @@ -198,22 +186,21 @@ bool BodyPair2DSW::_test_ccd(real_t p_step,Body2DSW *p_A, int p_shape_A,const Tr //support is the worst case collision point, so real collision happened before int a; Vector2 s[2]; - p_A->get_shape(p_shape_A)->get_supports(p_xform_A.basis_xform(mnormal).normalized(),s,a); + p_A->get_shape(p_shape_A)->get_supports(p_xform_A.basis_xform(mnormal).normalized(), s, a); Vector2 from = p_xform_A.xform(s[0]); Vector2 to = from + motion; Transform2D from_inv = p_xform_B.affine_inverse(); - Vector2 local_from = from_inv.xform(from-mnormal*mlen*0.1); //start from a little inside the bounding box + Vector2 local_from = from_inv.xform(from - mnormal * mlen * 0.1); //start from a little inside the bounding box Vector2 local_to = from_inv.xform(to); - Vector2 rpos,rnorm; - if (!p_B->get_shape(p_shape_B)->intersect_segment(local_from,local_to,rpos,rnorm)) + Vector2 rpos, rnorm; + if (!p_B->get_shape(p_shape_B)->intersect_segment(local_from, local_to, rpos, rnorm)) return false; //ray hit something - Vector2 hitpos = p_xform_B.xform(rpos); Vector2 contact_A = to; @@ -222,20 +209,18 @@ bool BodyPair2DSW::_test_ccd(real_t p_step,Body2DSW *p_A, int p_shape_A,const Tr //create a contact if (p_swap_result) - _contact_added_callback(contact_B,contact_A); + _contact_added_callback(contact_B, contact_A); else - _contact_added_callback(contact_A,contact_B); - + _contact_added_callback(contact_A, contact_B); return true; } bool BodyPair2DSW::setup(real_t p_step) { - //cannot collide - if (!A->test_collision_mask(B) || A->has_exception(B->get_self()) || B->has_exception(A->get_self()) || (A->get_mode()<=Physics2DServer::BODY_MODE_KINEMATIC && B->get_mode()<=Physics2DServer::BODY_MODE_KINEMATIC && A->get_max_contacts_reported()==0 && B->get_max_contacts_reported()==0)) { - collided=false; + if (!A->test_collision_mask(B) || A->has_exception(B->get_self()) || B->has_exception(A->get_self()) || (A->get_mode() <= Physics2DServer::BODY_MODE_KINEMATIC && B->get_mode() <= Physics2DServer::BODY_MODE_KINEMATIC && A->get_max_contacts_reported() == 0 && B->get_max_contacts_reported() == 0)) { + collided = false; return false; } @@ -249,44 +234,43 @@ bool BodyPair2DSW::setup(real_t p_step) { Transform2D xform_A = xform_Au * A->get_shape_transform(shape_A); Transform2D xform_Bu = B->get_transform(); - xform_Bu.elements[2]-=A->get_transform().get_origin(); + xform_Bu.elements[2] -= A->get_transform().get_origin(); Transform2D xform_B = xform_Bu * B->get_shape_transform(shape_B); - Shape2DSW *shape_A_ptr=A->get_shape(shape_A); - Shape2DSW *shape_B_ptr=B->get_shape(shape_B); + Shape2DSW *shape_A_ptr = A->get_shape(shape_A); + Shape2DSW *shape_B_ptr = B->get_shape(shape_B); - Vector2 motion_A,motion_B; + Vector2 motion_A, motion_B; - if (A->get_continuous_collision_detection_mode()==Physics2DServer::CCD_MODE_CAST_SHAPE) { - motion_A=A->get_motion(); + if (A->get_continuous_collision_detection_mode() == Physics2DServer::CCD_MODE_CAST_SHAPE) { + motion_A = A->get_motion(); } - if (B->get_continuous_collision_detection_mode()==Physics2DServer::CCD_MODE_CAST_SHAPE) { - motion_B=B->get_motion(); + if (B->get_continuous_collision_detection_mode() == Physics2DServer::CCD_MODE_CAST_SHAPE) { + motion_B = B->get_motion(); } //faster to set than to check.. //bool prev_collided=collided; - collided = CollisionSolver2DSW::solve(shape_A_ptr,xform_A,motion_A,shape_B_ptr,xform_B,motion_B,_add_contact,this,&sep_axis); + collided = CollisionSolver2DSW::solve(shape_A_ptr, xform_A, motion_A, shape_B_ptr, xform_B, motion_B, _add_contact, this, &sep_axis); if (!collided) { //test ccd (currently just a raycast) - if (A->get_continuous_collision_detection_mode()==Physics2DServer::CCD_MODE_CAST_RAY && A->get_mode()>Physics2DServer::BODY_MODE_KINEMATIC) { - if (_test_ccd(p_step,A,shape_A,xform_A,B,shape_B,xform_B)) - collided=true; + if (A->get_continuous_collision_detection_mode() == Physics2DServer::CCD_MODE_CAST_RAY && A->get_mode() > Physics2DServer::BODY_MODE_KINEMATIC) { + if (_test_ccd(p_step, A, shape_A, xform_A, B, shape_B, xform_B)) + collided = true; } - if (B->get_continuous_collision_detection_mode()==Physics2DServer::CCD_MODE_CAST_RAY && B->get_mode()>Physics2DServer::BODY_MODE_KINEMATIC) { - if (_test_ccd(p_step,B,shape_B,xform_B,A,shape_A,xform_A,true)) - collided=true; + if (B->get_continuous_collision_detection_mode() == Physics2DServer::CCD_MODE_CAST_RAY && B->get_mode() > Physics2DServer::BODY_MODE_KINEMATIC) { + if (_test_ccd(p_step, B, shape_B, xform_B, A, shape_A, xform_A, true)) + collided = true; } if (!collided) { - oneway_disabled=false; + oneway_disabled = false; return false; } - } if (oneway_disabled) @@ -297,45 +281,45 @@ bool BodyPair2DSW::setup(real_t p_step) { if (A->is_using_one_way_collision()) { Vector2 direction = A->get_one_way_collision_direction(); - bool valid=false; - if (B->get_linear_velocity().dot(direction)>=0){ - for(int i=0;i<contact_count;i++) { - Contact& c = contacts[i]; + bool valid = false; + if (B->get_linear_velocity().dot(direction) >= 0) { + for (int i = 0; i < contact_count; i++) { + Contact &c = contacts[i]; if (!c.reused) continue; - if (c.normal.dot(direction)<0) + if (c.normal.dot(direction) < 0) continue; - valid=true; + valid = true; break; } } if (!valid) { - collided=false; - oneway_disabled=true; + collided = false; + oneway_disabled = true; return false; } } if (B->is_using_one_way_collision()) { Vector2 direction = B->get_one_way_collision_direction(); - bool valid=false; - if (A->get_linear_velocity().dot(direction)>=0){ - for(int i=0;i<contact_count;i++) { - Contact& c = contacts[i]; + bool valid = false; + if (A->get_linear_velocity().dot(direction) >= 0) { + for (int i = 0; i < contact_count; i++) { + Contact &c = contacts[i]; if (!c.reused) continue; - if (c.normal.dot(direction)<0) + if (c.normal.dot(direction) < 0) continue; - valid=true; + valid = true; break; } } if (!valid) { - collided=false; - oneway_disabled=true; + collided = false; + oneway_disabled = true; return false; } } @@ -346,72 +330,69 @@ bool BodyPair2DSW::setup(real_t p_step) { real_t bias = 0.3; if (shape_A_ptr->get_custom_bias() || shape_B_ptr->get_custom_bias()) { - if (shape_A_ptr->get_custom_bias()==0) - bias=shape_B_ptr->get_custom_bias(); - else if (shape_B_ptr->get_custom_bias()==0) - bias=shape_A_ptr->get_custom_bias(); + if (shape_A_ptr->get_custom_bias() == 0) + bias = shape_B_ptr->get_custom_bias(); + else if (shape_B_ptr->get_custom_bias() == 0) + bias = shape_A_ptr->get_custom_bias(); else - bias=(shape_B_ptr->get_custom_bias()+shape_A_ptr->get_custom_bias())*0.5; + bias = (shape_B_ptr->get_custom_bias() + shape_A_ptr->get_custom_bias()) * 0.5; } + cc = 0; - cc=0; - + real_t inv_dt = 1.0 / p_step; - real_t inv_dt = 1.0/p_step; - - bool do_process=false; + bool do_process = false; for (int i = 0; i < contact_count; i++) { - Contact& c = contacts[i]; + Contact &c = contacts[i]; Vector2 global_A = xform_Au.xform(c.local_A); Vector2 global_B = xform_Bu.xform(c.local_B); real_t depth = c.normal.dot(global_A - global_B); - if (depth<=0 || !c.reused) { - c.active=false; + if (depth <= 0 || !c.reused) { + c.active = false; continue; } - c.active=true; + c.active = true; #ifdef DEBUG_ENABLED if (space->is_debugging_contacts()) { - space->add_debug_contact(global_A+offset_A); - space->add_debug_contact(global_B+offset_A); + space->add_debug_contact(global_A + offset_A); + space->add_debug_contact(global_B + offset_A); } #endif int gather_A = A->can_report_contacts(); int gather_B = B->can_report_contacts(); c.rA = global_A; - c.rB = global_B-offset_B; + c.rB = global_B - offset_B; if (gather_A | gather_B) { //Vector2 crB( -B->get_angular_velocity() * c.rB.y, B->get_angular_velocity() * c.rB.x ); - global_A+=offset_A; - global_B+=offset_A; + global_A += offset_A; + global_B += offset_A; if (gather_A) { - Vector2 crB( -B->get_angular_velocity() * c.rB.y, B->get_angular_velocity() * c.rB.x ); - A->add_contact(global_A,-c.normal,depth,shape_A,global_B,shape_B,B->get_instance_id(),B->get_self(),crB+B->get_linear_velocity()); + Vector2 crB(-B->get_angular_velocity() * c.rB.y, B->get_angular_velocity() * c.rB.x); + A->add_contact(global_A, -c.normal, depth, shape_A, global_B, shape_B, B->get_instance_id(), B->get_self(), crB + B->get_linear_velocity()); } if (gather_B) { - Vector2 crA( -A->get_angular_velocity() * c.rA.y, A->get_angular_velocity() * c.rA.x ); - B->add_contact(global_B,c.normal,depth,shape_B,global_A,shape_A,A->get_instance_id(),A->get_self(),crA+A->get_linear_velocity()); + Vector2 crA(-A->get_angular_velocity() * c.rA.y, A->get_angular_velocity() * c.rA.x); + B->add_contact(global_B, c.normal, depth, shape_B, global_A, shape_A, A->get_instance_id(), A->get_self(), crA + A->get_linear_velocity()); } } - if (A->is_shape_set_as_trigger(shape_A) || B->is_shape_set_as_trigger(shape_B) || (A->get_mode()<=Physics2DServer::BODY_MODE_KINEMATIC && B->get_mode()<=Physics2DServer::BODY_MODE_KINEMATIC)) { - c.active=false; - collided=false; + if (A->is_shape_set_as_trigger(shape_A) || B->is_shape_set_as_trigger(shape_B) || (A->get_mode() <= Physics2DServer::BODY_MODE_KINEMATIC && B->get_mode() <= Physics2DServer::BODY_MODE_KINEMATIC)) { + c.active = false; + collided = false; continue; - } // Precompute normal mass, tangent mass, and bias. @@ -426,39 +407,33 @@ bool BodyPair2DSW::setup(real_t p_step) { real_t rtB = c.rB.dot(tangent); real_t kTangent = A->get_inv_mass() + B->get_inv_mass(); kTangent += A->get_inv_inertia() * (c.rA.dot(c.rA) - rtA * rtA) + B->get_inv_inertia() * (c.rB.dot(c.rB) - rtB * rtB); - c.mass_tangent = 1.0f / kTangent; - - + c.mass_tangent = 1.0f / kTangent; c.bias = -bias * inv_dt * MIN(0.0f, -depth + max_penetration); - c.depth=depth; - //c.acc_bias_impulse=0; - + c.depth = depth; +//c.acc_bias_impulse=0; #ifdef ACCUMULATE_IMPULSES { // Apply normal + friction impulse Vector2 P = c.acc_normal_impulse * c.normal + c.acc_tangent_impulse * tangent; - - A->apply_impulse(c.rA,-P); + A->apply_impulse(c.rA, -P); B->apply_impulse(c.rB, P); } #endif - - c.bounce=MAX(A->get_bounce(),B->get_bounce()); + c.bounce = MAX(A->get_bounce(), B->get_bounce()); if (c.bounce) { - Vector2 crA( -A->get_angular_velocity() * c.rA.y, A->get_angular_velocity() * c.rA.x ); - Vector2 crB( -B->get_angular_velocity() * c.rB.y, B->get_angular_velocity() * c.rB.x ); + Vector2 crA(-A->get_angular_velocity() * c.rA.y, A->get_angular_velocity() * c.rA.x); + Vector2 crB(-B->get_angular_velocity() * c.rB.y, B->get_angular_velocity() * c.rB.x); Vector2 dv = B->get_linear_velocity() + crB - A->get_linear_velocity() - crA; c.bounce = c.bounce * dv.dot(c.normal); } - do_process=true; - + do_process = true; } return do_process; @@ -471,81 +446,71 @@ void BodyPair2DSW::solve(real_t p_step) { for (int i = 0; i < contact_count; ++i) { - Contact& c = contacts[i]; + Contact &c = contacts[i]; cc++; if (!c.active) continue; - // Relative velocity at contact - Vector2 crA( -A->get_angular_velocity() * c.rA.y, A->get_angular_velocity() * c.rA.x ); - Vector2 crB( -B->get_angular_velocity() * c.rB.y, B->get_angular_velocity() * c.rB.x ); + Vector2 crA(-A->get_angular_velocity() * c.rA.y, A->get_angular_velocity() * c.rA.x); + Vector2 crB(-B->get_angular_velocity() * c.rB.y, B->get_angular_velocity() * c.rB.x); Vector2 dv = B->get_linear_velocity() + crB - A->get_linear_velocity() - crA; - Vector2 crbA( -A->get_biased_angular_velocity() * c.rA.y, A->get_biased_angular_velocity() * c.rA.x ); - Vector2 crbB( -B->get_biased_angular_velocity() * c.rB.y, B->get_biased_angular_velocity() * c.rB.x ); + Vector2 crbA(-A->get_biased_angular_velocity() * c.rA.y, A->get_biased_angular_velocity() * c.rA.x); + Vector2 crbB(-B->get_biased_angular_velocity() * c.rB.y, B->get_biased_angular_velocity() * c.rB.x); Vector2 dbv = B->get_biased_linear_velocity() + crbB - A->get_biased_linear_velocity() - crbA; - real_t vn = dv.dot(c.normal); real_t vbn = dbv.dot(c.normal); Vector2 tangent = c.normal.tangent(); real_t vt = dv.dot(tangent); - - real_t jbn = (c.bias - vbn)*c.mass_normal; + real_t jbn = (c.bias - vbn) * c.mass_normal; real_t jbnOld = c.acc_bias_impulse; c.acc_bias_impulse = MAX(jbnOld + jbn, 0.0f); Vector2 jb = c.normal * (c.acc_bias_impulse - jbnOld); - A->apply_bias_impulse(c.rA,-jb); + A->apply_bias_impulse(c.rA, -jb); B->apply_bias_impulse(c.rB, jb); - real_t jn = -(c.bounce + vn)*c.mass_normal; + real_t jn = -(c.bounce + vn) * c.mass_normal; real_t jnOld = c.acc_normal_impulse; c.acc_normal_impulse = MAX(jnOld + jn, 0.0f); - real_t friction = A->get_friction() * B->get_friction(); - real_t jtMax = friction*c.acc_normal_impulse; - real_t jt = -vt*c.mass_tangent; + real_t jtMax = friction * c.acc_normal_impulse; + real_t jt = -vt * c.mass_tangent; real_t jtOld = c.acc_tangent_impulse; c.acc_tangent_impulse = CLAMP(jtOld + jt, -jtMax, jtMax); - Vector2 j =c.normal * (c.acc_normal_impulse - jnOld) + tangent * ( c.acc_tangent_impulse - jtOld ); + Vector2 j = c.normal * (c.acc_normal_impulse - jnOld) + tangent * (c.acc_tangent_impulse - jtOld); - A->apply_impulse(c.rA,-j); + A->apply_impulse(c.rA, -j); B->apply_impulse(c.rB, j); - - } } +BodyPair2DSW::BodyPair2DSW(Body2DSW *p_A, int p_shape_A, Body2DSW *p_B, int p_shape_B) + : Constraint2DSW(_arr, 2) { -BodyPair2DSW::BodyPair2DSW(Body2DSW *p_A, int p_shape_A,Body2DSW *p_B, int p_shape_B) : Constraint2DSW(_arr,2) { - - A=p_A; - B=p_B; - shape_A=p_shape_A; - shape_B=p_shape_B; - space=A->get_space(); - A->add_constraint(this,0); - B->add_constraint(this,1); - contact_count=0; - collided=false; - oneway_disabled=false; - + A = p_A; + B = p_B; + shape_A = p_shape_A; + shape_B = p_shape_B; + space = A->get_space(); + A->add_constraint(this, 0); + B->add_constraint(this, 1); + contact_count = 0; + collided = false; + oneway_disabled = false; } - BodyPair2DSW::~BodyPair2DSW() { - A->remove_constraint(this); B->remove_constraint(this); - } |
