diff options
| author | andreykproductengine <andreykproductengine@lindenlab.com> | 2017-10-17 20:02:29 +0300 |
|---|---|---|
| committer | andreykproductengine <andreykproductengine@lindenlab.com> | 2017-10-17 20:02:29 +0300 |
| commit | c0492e5448ed7bb3265af2f0e5385faaeab85ba5 (patch) | |
| tree | 9e71b952e6339aae9feb46d9156bb7a1c667bc74 | |
| parent | 6ccdc34981939447da285f02d93a54a9e176249b (diff) | |
MAINT-989 Velocity and acceleration should take time into account
| -rw-r--r-- | indra/newview/llphysicsmotion.cpp | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/indra/newview/llphysicsmotion.cpp b/indra/newview/llphysicsmotion.cpp index ea10d03264..15d39c231f 100644 --- a/indra/newview/llphysicsmotion.cpp +++ b/indra/newview/llphysicsmotion.cpp @@ -171,8 +171,8 @@ protected: F32 behavior_maxeffect); F32 toLocal(const LLVector3 &world); - F32 calculateVelocity_local(); - F32 calculateAcceleration_local(F32 velocity_local); + F32 calculateVelocity_local(const F32 time_delta); + F32 calculateAcceleration_local(F32 velocity_local, const F32 time_delta); private: const std::string mParamDriverName; const std::string mParamControllerName; @@ -425,23 +425,22 @@ F32 LLPhysicsMotion::toLocal(const LLVector3 &world) return world * dir_world; } -F32 LLPhysicsMotion::calculateVelocity_local() +F32 LLPhysicsMotion::calculateVelocity_local(const F32 time_delta) { const F32 world_to_model_scale = 100.0f; LLJoint *joint = mJointState->getJoint(); const LLVector3 position_world = joint->getWorldPosition(); const LLVector3 last_position_world = mPosition_world; const LLVector3 positionchange_world = (position_world-last_position_world) * world_to_model_scale; - const LLVector3 velocity_world = positionchange_world; - const F32 velocity_local = toLocal(velocity_world); + const F32 velocity_local = toLocal(positionchange_world) / time_delta; return velocity_local; } -F32 LLPhysicsMotion::calculateAcceleration_local(const F32 velocity_local) +F32 LLPhysicsMotion::calculateAcceleration_local(const F32 velocity_local, const F32 time_delta) { // const F32 smoothing = getParamValue("Smoothing"); static const F32 smoothing = 3.0f; // Removed smoothing param since it's probably not necessary - const F32 acceleration_local = velocity_local - mVelocityJoint_local; + const F32 acceleration_local = (velocity_local - mVelocityJoint_local) / time_delta; const F32 smoothed_acceleration_local = acceleration_local * 1.0/smoothing + @@ -544,9 +543,9 @@ BOOL LLPhysicsMotion::onUpdate(F32 time) // Calculate velocity and acceleration in parameter space. // - //const F32 velocity_joint_local = calculateVelocity_local(time_iteration_step); - const F32 velocity_joint_local = calculateVelocity_local(); - const F32 acceleration_joint_local = calculateAcceleration_local(velocity_joint_local); + const F32 joint_local_factor = 30.0; + const F32 velocity_joint_local = calculateVelocity_local(time_delta * joint_local_factor); + const F32 acceleration_joint_local = calculateAcceleration_local(velocity_joint_local, time_delta * joint_local_factor); // // End velocity and acceleration |