C++ LLDrawable::getRadius方法代码示例

			virtual bool apply(LLViewerObject* vobjp)
			{
				LLDrawable* drawable = vobjp->mDrawable;
				if (!drawable || vobjp->getPCode() != LL_PCODE_VOLUME || vobjp->isAttachment())
				{
					return true;
				}
				S32 result = LLViewerCamera::getInstance()->sphereInFrustum(drawable->getPositionAgent(), drawable->getRadius());
				switch (result)
				{
				  case 0:
					LLSelectMgr::getInstance()->unhighlightObjectOnly(vobjp);
					break;
				  case 1:
					// check vertices
					if (!LLViewerCamera::getInstance()->areVertsVisible(vobjp, LLSelectMgr::sRectSelectInclusive))
					{
						LLSelectMgr::getInstance()->unhighlightObjectOnly(vobjp);
					}
					break;
				  default:
					break;
				}
				return true;
			}

//.........这里部分代码省略.........
		// We'll allow drag selection under fartouch, but only within the fartouch range
		// (just copy/paste the code above us to make that work, thank you Lindens!)
		LLVector3 relative_av_pos = av_pos;
		relative_av_pos -= LLViewerCamera::getInstance()->getOrigin();

		F32 new_far = relative_av_pos * LLViewerCamera::getInstance()->getAtAxis() + 1.5f;
		F32 new_near = relative_av_pos * LLViewerCamera::getInstance()->getAtAxis() - 1.5f;

		new_near = llmax(new_near, 0.1f);

		LLViewerCamera::getInstance()->setFar(new_far);
		LLViewerCamera::getInstance()->setNear(new_near);

		// Usurp these two
		limit_select_distance = TRUE;
		select_dist_squared = 1.5f * 1.5f;
	}
// [/RLVa:KB]
	LLViewerCamera::getInstance()->setPerspective(FOR_SELECTION, 
							center_x-width/2, center_y-height/2, width, height, 
							limit_select_distance);

	if (shrink_selection)
	{
		struct f : public LLSelectedObjectFunctor
		{
			virtual bool apply(LLViewerObject* vobjp)
			{
				LLDrawable* drawable = vobjp->mDrawable;
				if (!drawable || vobjp->getPCode() != LL_PCODE_VOLUME || vobjp->isAttachment())
				{
					return true;
				}
				S32 result = LLViewerCamera::getInstance()->sphereInFrustum(drawable->getPositionAgent(), drawable->getRadius());
				switch (result)
				{
				  case 0:
					LLSelectMgr::getInstance()->unhighlightObjectOnly(vobjp);
					break;
				  case 1:
					// check vertices
					if (!LLViewerCamera::getInstance()->areVertsVisible(vobjp, LLSelectMgr::sRectSelectInclusive))
					{
						LLSelectMgr::getInstance()->unhighlightObjectOnly(vobjp);
					}
					break;
				  default:
					break;
				}
				return true;
			}
		} func;
		LLSelectMgr::getInstance()->getHighlightedObjects()->applyToObjects(&func);
	}

	if (grow_selection)
	{
		std::vector<LLDrawable*> potentials;
				
		for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
		{
			LLViewerRegion* region = *iter;
			for (U32 i = 0; i < LLViewerRegion::NUM_PARTITIONS; i++)
			{
				LLSpatialPartition* part = region->getSpatialPartition(i);

// Returns true if you got at least one object
void LLToolSelectRect::handleRectangleSelection(S32 x, S32 y, MASK mask)
{
	LLVector3 av_pos = gAgent.getPositionAgent();
	F32 select_dist_squared = gSavedSettings.getF32("MaxSelectDistance");
	select_dist_squared = select_dist_squared * select_dist_squared;

	BOOL deselect = (mask == MASK_CONTROL);
	S32 left =	llmin(x, mDragStartX);
	S32 right =	llmax(x, mDragStartX);
	S32 top =	llmax(y, mDragStartY);
	S32 bottom =llmin(y, mDragStartY);

	left = llround((F32) left * LLUI::sGLScaleFactor.mV[VX]);
	right = llround((F32) right * LLUI::sGLScaleFactor.mV[VX]);
	top = llround((F32) top * LLUI::sGLScaleFactor.mV[VY]);
	bottom = llround((F32) bottom * LLUI::sGLScaleFactor.mV[VY]);

	F32 old_far_plane = LLViewerCamera::getInstance()->getFar();
	F32 old_near_plane = LLViewerCamera::getInstance()->getNear();

	S32 width = right - left + 1;
	S32 height = top - bottom + 1;

	BOOL grow_selection = FALSE;
	BOOL shrink_selection = FALSE;

	if (height > mDragLastHeight || width > mDragLastWidth)
	{
		grow_selection = TRUE;
	}
	if (height < mDragLastHeight || width < mDragLastWidth)
	{
		shrink_selection = TRUE;
	}

	if (!grow_selection && !shrink_selection)
	{
		// nothing to do
		return;
	}

	mDragLastHeight = height;
	mDragLastWidth = width;

	S32 center_x = (left + right) / 2;
	S32 center_y = (top + bottom) / 2;

	// save drawing mode
	glMatrixMode(GL_PROJECTION);
	gGL.pushMatrix();

	BOOL limit_select_distance = gSavedSettings.getBOOL("LimitSelectDistance");
	if (limit_select_distance)
	{
		// ...select distance from control
		LLVector3 relative_av_pos = av_pos;
		relative_av_pos -= LLViewerCamera::getInstance()->getOrigin();

		F32 new_far = relative_av_pos * LLViewerCamera::getInstance()->getAtAxis() + gSavedSettings.getF32("MaxSelectDistance");
		F32 new_near = relative_av_pos * LLViewerCamera::getInstance()->getAtAxis() - gSavedSettings.getF32("MaxSelectDistance");

		new_near = llmax(new_near, 0.1f);

		LLViewerCamera::getInstance()->setFar(new_far);
		LLViewerCamera::getInstance()->setNear(new_near);
	}
	LLViewerCamera::getInstance()->setPerspective(FOR_SELECTION, 
							center_x-width/2, center_y-height/2, width, height, 
							limit_select_distance);

	if (shrink_selection)
	{
		struct f : public LLSelectedObjectFunctor
		{
			virtual bool apply(LLViewerObject* vobjp)
			{
				LLDrawable* drawable = vobjp->mDrawable;
				if (!drawable || vobjp->getPCode() != LL_PCODE_VOLUME || vobjp->isAttachment())
				{
					return true;
				}
				S32 result = LLViewerCamera::getInstance()->sphereInFrustum(drawable->getPositionAgent(), drawable->getRadius());
				switch (result)
				{
				  case 0:
					LLSelectMgr::getInstance()->unhighlightObjectOnly(vobjp);
					break;
				  case 1:
					// check vertices
					if (!LLViewerCamera::getInstance()->areVertsVisible(vobjp, LLSelectMgr::sRectSelectInclusive))
					{
						LLSelectMgr::getInstance()->unhighlightObjectOnly(vobjp);
					}
					break;
				  default:
					break;
				}
				return true;
			}
//.........这里部分代码省略.........