diff --git a/indra/newview/llviewerobject.cpp b/indra/newview/llviewerobject.cpp index 5d88da0804..ab8a9439ab 100755 --- a/indra/newview/llviewerobject.cpp +++ b/indra/newview/llviewerobject.cpp @@ -239,6 +239,7 @@ LLViewerObject::LLViewerObject(const LLUUID &id, const LLPCode pcode, LLViewerRe mNumFaces(0), mTimeDilation(1.f), mRotTime(0.f), + mAngularVelocityRot(), mJointInfo(NULL), mState(0), mMedia(NULL), @@ -269,6 +270,7 @@ LLViewerObject::LLViewerObject(const LLUUID &id, const LLPCode pcode, LLViewerRe { mPositionAgent = mRegionp->getOriginAgent(); } + resetRot(); LLViewerObject::sNumObjects++; } @@ -2112,14 +2114,14 @@ U32 LLViewerObject::processUpdateMessage(LLMessageSystem *mesgsys, if (new_rot != getRotation() || new_angv != old_angv) { - if (new_rot != getRotation()) + if (new_angv != old_angv) { - setRotation(new_rot); + resetRot(); } - + + // Set the rotation of the object followed by adjusting for the accumulated angular velocity (llSetTargetOmega) + setRotation(new_rot * mAngularVelocityRot); setChanged(ROTATED | SILHOUETTE); - - resetRot(); } @@ -5558,8 +5560,13 @@ void LLViewerObject::applyAngularVelocity(F32 dt) ang_vel *= 1.f/omega; + // calculate the delta increment based on the object's angular velocity dQ.setQuat(angle, ang_vel); + + // accumulate the angular velocity rotations to re-apply in the case of an object update + mAngularVelocityRot *= dQ; + // Just apply the delta increment to the current rotation setRotation(getRotation()*dQ); setChanged(MOVED | SILHOUETTE); } @@ -5568,6 +5575,9 @@ void LLViewerObject::applyAngularVelocity(F32 dt) void LLViewerObject::resetRot() { mRotTime = 0.0f; + + // Reset the accumulated angular velocity rotation + mAngularVelocityRot.loadIdentity(); } U32 LLViewerObject::getPartitionType() const diff --git a/indra/newview/llviewerobject.h b/indra/newview/llviewerobject.h index a434f207ec..49cddcc48c 100644 --- a/indra/newview/llviewerobject.h +++ b/indra/newview/llviewerobject.h @@ -730,6 +730,7 @@ protected: F32 mTimeDilation; // Time dilation sent with the object. F32 mRotTime; // Amount (in seconds) that object has rotated according to angular velocity (llSetTargetOmega) + LLQuaternion mAngularVelocityRot; // accumulated rotation from the angular velocity computations LLVOJointInfo* mJointInfo; U8 mState; // legacy