Commit: ec640510a8c8ef5de8daea907da2351ef1988915 Author: Alexander Gavrilov Date: Sat Jul 14 17:01:02 2018 +0300 Branches: master https://developer.blender.org/rBec640510a8c8ef5de8daea907da2351ef1988915
Fix T55958: allow the user to select between spring and spring2. The old springs with damping 1.0 operate in a special way that is more similar to plastic deformation than a spring. Some users rely on that, so let the user choose which implementation to use. This also restores full backward compatibility with 2.79. Reviewers: sergof Differential Revision: https://developer.blender.org/D3544 =================================================================== M intern/rigidbody/RBI_api.h M intern/rigidbody/rb_bullet_api.cpp M release/scripts/startup/bl_ui/properties_physics_rigidbody_constraint.py M source/blender/blenkernel/intern/rigidbody.c M source/blender/makesdna/DNA_rigidbody_types.h M source/blender/makesrna/intern/rna_rigidbody.c =================================================================== diff --git a/intern/rigidbody/RBI_api.h b/intern/rigidbody/RBI_api.h index 556ca959e64..eec94bcea50 100644 --- a/intern/rigidbody/RBI_api.h +++ b/intern/rigidbody/RBI_api.h @@ -268,6 +268,7 @@ rbConstraint *RB_constraint_new_slider(float pivot[3], float orn[4], rbRigidBody rbConstraint *RB_constraint_new_piston(float pivot[3], float orn[4], rbRigidBody *rb1, rbRigidBody *rb2); rbConstraint *RB_constraint_new_6dof(float pivot[3], float orn[4], rbRigidBody *rb1, rbRigidBody *rb2); rbConstraint *RB_constraint_new_6dof_spring(float pivot[3], float orn[4], rbRigidBody *rb1, rbRigidBody *rb2); +rbConstraint *RB_constraint_new_6dof_spring2(float pivot[3], float orn[4], rbRigidBody *rb1, rbRigidBody *rb2); rbConstraint *RB_constraint_new_motor(float pivot[3], float orn[4], rbRigidBody *rb1, rbRigidBody *rb2); /* ............ */ @@ -299,12 +300,18 @@ void RB_constraint_set_limits_piston(rbConstraint *con, float lin_lower, float l void RB_constraint_set_limits_6dof(rbConstraint *con, int axis, float lower, float upper); /* 6dof spring specific */ -void RB_constraint_set_limits_6dof_spring(rbConstraint *con, int axis, float lower, float upper); void RB_constraint_set_stiffness_6dof_spring(rbConstraint *con, int axis, float stiffness); void RB_constraint_set_damping_6dof_spring(rbConstraint *con, int axis, float damping); void RB_constraint_set_spring_6dof_spring(rbConstraint *con, int axis, int enable); void RB_constraint_set_equilibrium_6dof_spring(rbConstraint *con); +/* 6dof spring 2 specific */ +void RB_constraint_set_limits_6dof_spring2(rbConstraint *con, int axis, float lower, float upper); +void RB_constraint_set_stiffness_6dof_spring2(rbConstraint *con, int axis, float stiffness); +void RB_constraint_set_damping_6dof_spring2(rbConstraint *con, int axis, float damping); +void RB_constraint_set_spring_6dof_spring2(rbConstraint *con, int axis, int enable); +void RB_constraint_set_equilibrium_6dof_spring2(rbConstraint *con); + /* motors */ void RB_constraint_set_enable_motor(rbConstraint *con, int enable_lin, int enable_ang); void RB_constraint_set_max_impulse_motor(rbConstraint *con, float max_impulse_lin, float max_impulse_ang); diff --git a/intern/rigidbody/rb_bullet_api.cpp b/intern/rigidbody/rb_bullet_api.cpp index a9fbcb28529..6a50c5c93ee 100644 --- a/intern/rigidbody/rb_bullet_api.cpp +++ b/intern/rigidbody/rb_bullet_api.cpp @@ -954,11 +954,25 @@ rbConstraint *RB_constraint_new_6dof_spring(float pivot[3], float orn[4], rbRigi make_constraint_transforms(transform1, transform2, body1, body2, pivot, orn); - btTypedConstraint *con = new btGeneric6DofSpring2Constraint(*body1, *body2, transform1, transform2); + btTypedConstraint *con = new btGeneric6DofSpringConstraint(*body1, *body2, transform1, transform2, true); return (rbConstraint *)con; } +rbConstraint *RB_constraint_new_6dof_spring2(float pivot[3], float orn[4], rbRigidBody *rb1, rbRigidBody *rb2) +{ + btRigidBody *body1 = rb1->body; + btRigidBody *body2 = rb2->body; + btTransform transform1; + btTransform transform2; + + make_constraint_transforms(transform1, transform2, body1, body2, pivot, orn); + + btTypedConstraint *con = new btGeneric6DofSpring2Constraint(*body1, *body2, transform1, transform2); + + return (rbConstraint *)con; +} + rbConstraint *RB_constraint_new_motor(float pivot[3], float orn[4], rbRigidBody *rb1, rbRigidBody *rb2) { btRigidBody *body1 = rb1->body; @@ -1034,7 +1048,7 @@ void RB_constraint_set_limits_6dof(rbConstraint *con, int axis, float lower, flo constraint->setLimit(axis, lower, upper); } -void RB_constraint_set_limits_6dof_spring(rbConstraint *con, int axis, float lower, float upper) +void RB_constraint_set_limits_6dof_spring2(rbConstraint *con, int axis, float lower, float upper) { btGeneric6DofSpring2Constraint *constraint = reinterpret_cast<btGeneric6DofSpring2Constraint*>(con); @@ -1043,26 +1057,57 @@ void RB_constraint_set_limits_6dof_spring(rbConstraint *con, int axis, float low void RB_constraint_set_stiffness_6dof_spring(rbConstraint *con, int axis, float stiffness) { - btGeneric6DofSpring2Constraint *constraint = reinterpret_cast<btGeneric6DofSpring2Constraint*>(con); + btGeneric6DofSpringConstraint *constraint = reinterpret_cast<btGeneric6DofSpringConstraint*>(con); constraint->setStiffness(axis, stiffness); } void RB_constraint_set_damping_6dof_spring(rbConstraint *con, int axis, float damping) { - btGeneric6DofSpring2Constraint *constraint = reinterpret_cast<btGeneric6DofSpring2Constraint*>(con); + btGeneric6DofSpringConstraint *constraint = reinterpret_cast<btGeneric6DofSpringConstraint*>(con); + + // invert damping range so that 0 = no damping + damping = (damping > 1.0f) ? 0.0f : 1.0f - damping; constraint->setDamping(axis, damping); } void RB_constraint_set_spring_6dof_spring(rbConstraint *con, int axis, int enable) { - btGeneric6DofSpring2Constraint *constraint = reinterpret_cast<btGeneric6DofSpring2Constraint*>(con); + btGeneric6DofSpringConstraint *constraint = reinterpret_cast<btGeneric6DofSpringConstraint*>(con); constraint->enableSpring(axis, enable); } void RB_constraint_set_equilibrium_6dof_spring(rbConstraint *con) +{ + btGeneric6DofSpringConstraint *constraint = reinterpret_cast<btGeneric6DofSpringConstraint*>(con); + + constraint->setEquilibriumPoint(); +} + +void RB_constraint_set_stiffness_6dof_spring2(rbConstraint *con, int axis, float stiffness) +{ + btGeneric6DofSpring2Constraint *constraint = reinterpret_cast<btGeneric6DofSpring2Constraint*>(con); + + constraint->setStiffness(axis, stiffness); +} + +void RB_constraint_set_damping_6dof_spring2(rbConstraint *con, int axis, float damping) +{ + btGeneric6DofSpring2Constraint *constraint = reinterpret_cast<btGeneric6DofSpring2Constraint*>(con); + + constraint->setDamping(axis, damping); +} + +void RB_constraint_set_spring_6dof_spring2(rbConstraint *con, int axis, int enable) +{ + btGeneric6DofSpring2Constraint *constraint = reinterpret_cast<btGeneric6DofSpring2Constraint*>(con); + + constraint->enableSpring(axis, enable); +} + +void RB_constraint_set_equilibrium_6dof_spring2(rbConstraint *con) { btGeneric6DofSpring2Constraint *constraint = reinterpret_cast<btGeneric6DofSpring2Constraint*>(con); diff --git a/release/scripts/startup/bl_ui/properties_physics_rigidbody_constraint.py b/release/scripts/startup/bl_ui/properties_physics_rigidbody_constraint.py index 84a4cbb4b68..8f6b5b5d8b2 100644 --- a/release/scripts/startup/bl_ui/properties_physics_rigidbody_constraint.py +++ b/release/scripts/startup/bl_ui/properties_physics_rigidbody_constraint.py @@ -140,6 +140,11 @@ class PHYSICS_PT_rigid_body_constraint(PHYSICS_PT_rigidbody_constraint_panel, Pa sub.prop(rbc, "motor_ang_max_impulse", text="Max Impulse") elif rbc.type in {'GENERIC', 'GENERIC_SPRING'}: + if rbc.type == 'GENERIC_SPRING': + row = layout.row() + row.label("Spring Type:") + row.prop(rbc, "spring_type", text="") + col = layout.column(align=True) col.label("Limits:") diff --git a/source/blender/blenkernel/intern/rigidbody.c b/source/blender/blenkernel/intern/rigidbody.c index 502b6a81c76..5d6695e6598 100644 --- a/source/blender/blenkernel/intern/rigidbody.c +++ b/source/blender/blenkernel/intern/rigidbody.c @@ -700,6 +700,35 @@ static void rigidbody_validate_sim_object(RigidBodyWorld *rbw, Object *ob, bool /* --------------------- */ +static void rigidbody_constraint_init_spring( + RigidBodyCon *rbc, void (*set_spring)(rbConstraint*,int,int), + void (*set_stiffness)(rbConstraint*,int,float), void (*set_damping)(rbConstraint*,int,float) +) { + set_spring(rbc->physics_constraint, RB_LIMIT_LIN_X, rbc->flag & RBC_FLAG_USE_SPRING_X); + set_stiffness(rbc->physics_constraint, RB_LIMIT_LIN_X, rbc->spring_stiffness_x); + set_damping(rbc->physics_constraint, RB_LIMIT_LIN_X, rbc->spring_damping_x); + + set_spring(rbc->physics_constraint, RB_LIMIT_LIN_Y, rbc->flag & RBC_FLAG_USE_SPRING_Y); + set_stiffness(rbc->physics_constraint, RB_LIMIT_LIN_Y, rbc->spring_stiffness_y); + set_damping(rbc->physics_constraint, RB_LIMIT_LIN_Y, rbc->spring_damping_y); + + set_spring(rbc->physics_constraint, RB_LIMIT_LIN_Z, rbc->flag & RBC_FLAG_USE_SPRING_Z); + set_stiffness(rbc->physics_constraint, RB_LIMIT_LIN_Z, rbc->spring_stiffness_z); + set_damping(rbc->physics_constraint, RB_LIMIT_LIN_Z, rbc->spring_damping_z); + + set_spring(rbc->physics_constraint, RB_LIMIT_ANG_X, rbc->flag & RBC_FLAG_USE_SPRING_ANG_X); + set_stiffness(rbc->physics_constraint, RB_LIMIT_ANG_X, rbc->spring_stiffness_ang_x); + set_damping(rbc->physics_constraint, RB_LIMIT_ANG_X, rbc->spring_damping_ang_x); + + set_spring(rbc->physics_constraint, RB_LIMIT_ANG_Y, rbc->flag & RBC_FLAG_USE_SPRING_ANG_Y); + set_stiffness(rbc->physics_constraint, RB_LIMIT_ANG_Y, rbc->spring_stiffness_ang_y); + set_damping(rbc->physics_constraint, RB_LIMIT_ANG_Y, rbc->spring_damping_ang_y); + + set_spring(rbc->physics_constraint, RB_LIMIT_ANG_Z, rbc->flag & RBC_FLAG_USE_SPRING_ANG_Z); + set_stiffness(rbc->physics_constraint, RB_LIMIT_ANG_Z, rbc->spring_stiffness_ang_z); + set_damping(rbc->physics_constraint, RB_LIMIT_ANG_Z, rbc->spring_damping_ang_z); +} + static void rigidbody_constraint_set_limits(RigidBodyCon *rbc, void (*set_limits)(rbConstraint*,int,float,float)) { if (rbc->flag & RBC_FLAG_USE_LIMIT_LIN_X) @@ -824,35 +853,24 @@ static void rigidbody_validate_sim_constraint(RigidBodyWorld *rbw, Object *ob, b RB_constraint_set_limits_piston(rbc->physics_constraint, lin_lower, lin_upper, ang_lower, ang_upper); break; case RBC_TYPE_6DOF_SPRING: - rbc->physics_constraint = RB_constraint_new_6dof_spring(loc, rot, rb1, rb2); - - RB_constraint_set_spring_6dof_spring(rbc->physics_constraint, RB_LIMIT_LIN_X, rbc->flag & RBC_FLAG_USE_SPRING_X); - RB_constraint_set_stiffness_6dof_spring(rbc->physics_constraint, RB_LIMIT_LIN_X, rbc->spring_stiffness_x); - RB_constraint_set_damping_6dof_spring(rbc->physics_constraint, RB_LIMIT_LIN_X, rbc->spring_damping_x); - - RB_constraint_set_spring_6dof_spring(rbc->physics_constraint, RB_LIMIT_LIN_Y, rbc->flag & RBC_FLAG_USE_SPRING_Y); - RB_cons @@ Diff output truncated at 10240 characters. @@ _______________________________________________ Bf-blender-cvs mailing list [email protected] https://lists.blender.org/mailman/listinfo/bf-blender-cvs
