void LLDrawable::updatePartition() { if (!getVOVolume()) { movePartition(); } else if (mSpatialBridge) { gPipeline.markMoved(mSpatialBridge, FALSE); } else { //a child prim moved and needs its verts regenerated gPipeline.markRebuild(this, LLDrawable::REBUILD_POSITION, TRUE); } }
void PartResizerWidget::mouseMoveEvent(QMouseEvent* event) { int x = event->pos().x() - m_Hotspot; if (draggedWidget() == &leftHandle()) { const qint64 newFirstSector = qMax(minimumFirstSector() + x * sectorsPerPixel(), 0LL); updateFirstSector(newFirstSector); } else if (draggedWidget() == &rightHandle()) { const qint64 newLastSector = qMin(minimumFirstSector() + (x - rightHandle().width()) * sectorsPerPixel(), maximumLastSector()); updateLastSector(newLastSector); } else if (draggedWidget() == &partWidget() && moveAllowed()) { const qint64 newFirstSector = qMax(minimumFirstSector() + (x - handleWidth()) * sectorsPerPixel(), 0LL); movePartition(newFirstSector); } }
// Returns "distance" between target destination and resulting xfrom F32 LLDrawable::updateXform(BOOL undamped) { BOOL damped = !undamped; // Position LLVector3 old_pos(mXform.getPosition()); LLVector3 target_pos; if (mXform.isRoot()) { // get root position in your agent's region target_pos = mVObjp->getPositionAgent(); } else { // parent-relative position target_pos = mVObjp->getPosition(); } // Rotation LLQuaternion old_rot(mXform.getRotation()); LLQuaternion target_rot = mVObjp->getRotation(); //scaling LLVector3 target_scale = mVObjp->getScale(); LLVector3 old_scale = mCurrentScale; LLVector3 dest_scale = target_scale; // Damping F32 dist_squared = 0.f; F32 camdist2 = (mDistanceWRTCamera * mDistanceWRTCamera); if (damped && isVisible()) { F32 lerp_amt = llclamp(LLCriticalDamp::getInterpolant(OBJECT_DAMPING_TIME_CONSTANT), 0.f, 1.f); LLVector3 new_pos = lerp(old_pos, target_pos, lerp_amt); dist_squared = dist_vec_squared(new_pos, target_pos); LLQuaternion new_rot = nlerp(lerp_amt, old_rot, target_rot); dist_squared += (1.f - dot(new_rot, target_rot)) * 10.f; LLVector3 new_scale = lerp(old_scale, target_scale, lerp_amt); dist_squared += dist_vec_squared(new_scale, target_scale); if ((dist_squared >= MIN_INTERPOLATE_DISTANCE_SQUARED * camdist2) && (dist_squared <= MAX_INTERPOLATE_DISTANCE_SQUARED)) { // interpolate target_pos = new_pos; target_rot = new_rot; target_scale = new_scale; } else { // snap to final position dist_squared = 0.0f; if (getVOVolume() && !isRoot()) { //child prim snapping to some position, needs a rebuild gPipeline.markRebuild(this, LLDrawable::REBUILD_POSITION, TRUE); } } } if ((mCurrentScale != target_scale) || (!isRoot() && (dist_squared >= MIN_INTERPOLATE_DISTANCE_SQUARED || !mVObjp->getAngularVelocity().isExactlyZero() || target_pos != mXform.getPosition() || target_rot != mXform.getRotation()))) { //child prim moving or scale change requires immediate rebuild gPipeline.markRebuild(this, LLDrawable::REBUILD_POSITION, TRUE); } else if (!getVOVolume() && !isAvatar()) { movePartition(); } // Update mXform.setPosition(target_pos); mXform.setRotation(target_rot); mXform.setScale(LLVector3(1,1,1)); //no scale in drawable transforms (IT'S A RULE!) mXform.updateMatrix(); mCurrentScale = target_scale; if (mSpatialBridge) { gPipeline.markMoved(mSpatialBridge, FALSE); } return dist_squared; }
// Returns "distance" between target destination and resulting xfrom F32 LLDrawable::updateXform(BOOL undamped) { BOOL damped = !undamped; // Position LLVector3 old_pos(mXform.getPosition()); LLVector3 target_pos; if (mXform.isRoot()) { // get root position in your agent's region target_pos = mVObjp->getPositionAgent(); } else { // parent-relative position target_pos = mVObjp->getPosition(); } // Rotation LLQuaternion old_rot(mXform.getRotation()); LLQuaternion target_rot = mVObjp->getRotation(); //scaling LLVector3 target_scale = mVObjp->getScale(); LLVector3 old_scale = mCurrentScale; // Damping F32 dist_squared = 0.f; F32 camdist2 = (mDistanceWRTCamera * mDistanceWRTCamera); if (damped && isVisible()) { F32 lerp_amt = llclamp(LLCriticalDamp::getInterpolant(OBJECT_DAMPING_TIME_CONSTANT), 0.f, 1.f); LLVector3 new_pos = lerp(old_pos, target_pos, lerp_amt); dist_squared = dist_vec_squared(new_pos, target_pos); LLQuaternion new_rot = nlerp(lerp_amt, old_rot, target_rot); // FIXME: This can be negative! It is be possible for some rots to 'cancel out' pos or size changes. dist_squared += (1.f - dot(new_rot, target_rot)) * 10.f; LLVector3 new_scale = lerp(old_scale, target_scale, lerp_amt); dist_squared += dist_vec_squared(new_scale, target_scale); if ((dist_squared >= MIN_INTERPOLATE_DISTANCE_SQUARED * camdist2) && (dist_squared <= MAX_INTERPOLATE_DISTANCE_SQUARED)) { // interpolate target_pos = new_pos; target_rot = new_rot; target_scale = new_scale; } else if (mVObjp->getAngularVelocity().isExactlyZero()) { // snap to final position (only if no target omega is applied) dist_squared = 0.0f; if (getVOVolume() && !isRoot()) { //child prim snapping to some position, needs a rebuild gPipeline.markRebuild(this, LLDrawable::REBUILD_POSITION, TRUE); } } } else { // The following fixes MAINT-1742 but breaks vehicles similar to MAINT-2275 // dist_squared = dist_vec_squared(old_pos, target_pos); // The following fixes MAINT-2247 but causes MAINT-2275 //dist_squared += (1.f - dot(old_rot, target_rot)) * 10.f; //dist_squared += dist_vec_squared(old_scale, target_scale); } LLVector3 vec = mCurrentScale-target_scale; if (vec*vec > MIN_INTERPOLATE_DISTANCE_SQUARED) { //scale change requires immediate rebuild mCurrentScale = target_scale; gPipeline.markRebuild(this, LLDrawable::REBUILD_POSITION, TRUE); } else if (!isRoot() && (!mVObjp->getAngularVelocity().isExactlyZero() || dist_squared > 0.f)) { //child prim moving relative to parent, tag as needing to be rendered atomically and rebuild dist_squared = 1.f; //keep this object on the move list if (!isState(LLDrawable::ANIMATED_CHILD)) { setState(LLDrawable::ANIMATED_CHILD); gPipeline.markRebuild(this, LLDrawable::REBUILD_ALL, TRUE); mVObjp->dirtySpatialGroup(); } } else if (!isRoot() && ((dist_vec_squared(old_pos, target_pos) > 0.f) || (1.f - dot(old_rot, target_rot)) > 0.f)) { //fix for BUG-840, MAINT-2275, MAINT-1742, MAINT-2247 gPipeline.markRebuild(this, LLDrawable::REBUILD_POSITION, TRUE); } else if (!getVOVolume() && !isAvatar()) { movePartition(); } // Update mXform.setPosition(target_pos); mXform.setRotation(target_rot); mXform.setScale(LLVector3(1,1,1)); //no scale in drawable transforms (IT'S A RULE!) mXform.updateMatrix(); if (mSpatialBridge) { gPipeline.markMoved(mSpatialBridge, FALSE); } return dist_squared; }