summaryrefslogtreecommitdiff
path: root/servers/physics_3d/joints/slider_joint_3d_sw.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'servers/physics_3d/joints/slider_joint_3d_sw.cpp')
-rw-r--r--servers/physics_3d/joints/slider_joint_3d_sw.cpp45
1 files changed, 34 insertions, 11 deletions
diff --git a/servers/physics_3d/joints/slider_joint_3d_sw.cpp b/servers/physics_3d/joints/slider_joint_3d_sw.cpp
index 2e1ee8e770..8bd1951311 100644
--- a/servers/physics_3d/joints/slider_joint_3d_sw.cpp
+++ b/servers/physics_3d/joints/slider_joint_3d_sw.cpp
@@ -127,7 +127,10 @@ SliderJoint3DSW::SliderJoint3DSW(Body3DSW *rbA, Body3DSW *rbB, const Transform &
//-----------------------------------------------------------------------------
bool SliderJoint3DSW::setup(real_t p_step) {
- if ((A->get_mode() <= PhysicsServer3D::BODY_MODE_KINEMATIC) && (B->get_mode() <= PhysicsServer3D::BODY_MODE_KINEMATIC)) {
+ dynamic_A = (A->get_mode() > PhysicsServer3D::BODY_MODE_KINEMATIC);
+ dynamic_B = (B->get_mode() > PhysicsServer3D::BODY_MODE_KINEMATIC);
+
+ if (!dynamic_A && !dynamic_B) {
return false;
}
@@ -200,8 +203,12 @@ void SliderJoint3DSW::solve(real_t p_step) {
// calcutate and apply impulse
real_t normalImpulse = softness * (restitution * depth / p_step - damping * rel_vel) * m_jacLinDiagABInv[i];
Vector3 impulse_vector = normal * normalImpulse;
- A->apply_impulse(impulse_vector, m_relPosA);
- B->apply_impulse(-impulse_vector, m_relPosB);
+ if (dynamic_A) {
+ A->apply_impulse(impulse_vector, m_relPosA);
+ }
+ if (dynamic_B) {
+ B->apply_impulse(-impulse_vector, m_relPosB);
+ }
if (m_poweredLinMotor && (!i)) { // apply linear motor
if (m_accumulatedLinMotorImpulse < m_maxLinMotorForce) {
real_t desiredMotorVel = m_targetLinMotorVelocity;
@@ -221,8 +228,12 @@ void SliderJoint3DSW::solve(real_t p_step) {
m_accumulatedLinMotorImpulse = new_acc;
// apply clamped impulse
impulse_vector = normal * normalImpulse;
- A->apply_impulse(impulse_vector, m_relPosA);
- B->apply_impulse(-impulse_vector, m_relPosB);
+ if (dynamic_A) {
+ A->apply_impulse(impulse_vector, m_relPosA);
+ }
+ if (dynamic_B) {
+ B->apply_impulse(-impulse_vector, m_relPosB);
+ }
}
}
}
@@ -256,8 +267,12 @@ void SliderJoint3DSW::solve(real_t p_step) {
angularError *= (real_t(1.) / denom2) * m_restitutionOrthoAng * m_softnessOrthoAng;
}
// apply impulse
- A->apply_torque_impulse(-velrelOrthog + angularError);
- B->apply_torque_impulse(velrelOrthog - angularError);
+ if (dynamic_A) {
+ A->apply_torque_impulse(-velrelOrthog + angularError);
+ }
+ if (dynamic_B) {
+ B->apply_torque_impulse(velrelOrthog - angularError);
+ }
real_t impulseMag;
//solve angular limits
if (m_solveAngLim) {
@@ -268,8 +283,12 @@ void SliderJoint3DSW::solve(real_t p_step) {
impulseMag *= m_kAngle * m_softnessDirAng;
}
Vector3 impulse = axisA * impulseMag;
- A->apply_torque_impulse(impulse);
- B->apply_torque_impulse(-impulse);
+ if (dynamic_A) {
+ A->apply_torque_impulse(impulse);
+ }
+ if (dynamic_B) {
+ B->apply_torque_impulse(-impulse);
+ }
//apply angular motor
if (m_poweredAngMotor) {
if (m_accumulatedAngMotorImpulse < m_maxAngMotorForce) {
@@ -294,8 +313,12 @@ void SliderJoint3DSW::solve(real_t p_step) {
m_accumulatedAngMotorImpulse = new_acc;
// apply clamped impulse
Vector3 motorImp = angImpulse * axisA;
- A->apply_torque_impulse(motorImp);
- B->apply_torque_impulse(-motorImp);
+ if (dynamic_A) {
+ A->apply_torque_impulse(motorImp);
+ }
+ if (dynamic_B) {
+ B->apply_torque_impulse(-motorImp);
+ }
}
}
} // SliderJointSW::solveConstraint()