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C++ Fmatrix::build_projection_HAT方法代码示例

本文整理汇总了C++中Fmatrix::build_projection_HAT方法的典型用法代码示例。如果您正苦于以下问题:C++ Fmatrix::build_projection_HAT方法的具体用法?C++ Fmatrix::build_projection_HAT怎么用?C++ Fmatrix::build_projection_HAT使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Fmatrix的用法示例。


在下文中一共展示了Fmatrix::build_projection_HAT方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: if

void CLightProjector::calculate	()
{
	#ifdef _GPA_ENABLED	
		TAL_SCOPED_TASK_NAMED( "CLightProjector::calculate()" );
	#endif // _GPA_ENABLED

	if (receivers.empty())		return;

	// perform validate / markup
	for (u32 r_it=0; r_it<receivers.size(); r_it++)
	{
		// validate
		BOOL				bValid	= TRUE;
		IRenderable*		O		= receivers[r_it];
		CROS_impl*			LT		= (CROS_impl*)O->renderable_ROS();
		int					slot	= LT->shadow_recv_slot;
		if (slot<0 || slot>=P_o_count)								bValid = FALSE;	// invalid slot
		else if (cache[slot].O!=O)									bValid = FALSE;	// not the same object
		else {
			// seems to be valid
			Fbox	bb;		bb.xform		(O->renderable.visual->getVisData().box,O->renderable.xform);
			if (cache[slot].BB.contains(bb))	{
				// inside, but maybe timelimit exceeded?
				if (Device.dwTimeGlobal > cache[slot].dwTimeValid)	bValid = FALSE;	// timeout
			} else													bValid = FALSE;	// out of bounds
		}

		// 
		if (bValid)			{
			// Ok, use cached version
			cache[slot].dwFrame	= Device.dwFrame;
		} else {
			taskid.push_back	(r_it);
		}
	}
	if (taskid.empty())			return;

	// Begin
	Device.Statistic->RenderDUMP_Pcalc.Begin	();
	RCache.set_RT				(RT->pRT);
	RCache.set_ZB				(RImplementation.Target->pTempZB);
	CHK_DX(HW.pDevice->Clear	(0,0, D3DCLEAR_ZBUFFER | (HW.Caps.bStencil?D3DCLEAR_STENCIL:0), 0,1,0 ));
	RCache.set_xform_world		(Fidentity);

	// reallocate/reassociate structures + perform all the work
	for (u32 c_it=0; c_it<cache.size(); c_it++)
	{
		if (taskid.empty())							break;
		if (Device.dwFrame==cache[c_it].dwFrame)	continue;

		// found not used slot
		int				tid		= taskid.back();	taskid.pop_back();
		recv&			R		= cache		[c_it];
		IRenderable*	O		= receivers	[tid];
		const vis_data& vis = O->renderable.visual->getVisData();
		CROS_impl*	LT		= (CROS_impl*)O->renderable_ROS();
		VERIFY2			(_valid(O->renderable.xform),"Invalid object transformation");
		VERIFY2			(_valid(vis.sphere.P),"Invalid object's visual sphere");

		Fvector			C;		O->renderable.xform.transform_tiny		(C,vis.sphere.P);
		R.O						= O;
		R.C						= C;
		R.C.y					+= vis.sphere.R*0.1f;		//. YURA: 0.1 can be more
		R.BB.xform				(vis.box,O->renderable.xform).scale(0.1f);
		R.dwTimeValid			= Device.dwTimeGlobal + ::Random.randI(time_min,time_max);
		LT->shadow_recv_slot	= c_it; 

		// Msg					("[%f,%f,%f]-%f",C.C.x,C.C.y,C.C.z,C.O->renderable.visual->vis.sphere.R);
		// calculate projection-matrix
		Fmatrix		mProject;
		float		p_R			=	R.O->renderable.visual->getVisData().sphere.R * 1.1f;
		//VERIFY2		(p_R>EPS_L,"Object has no physical size");
		VERIFY3		(p_R>EPS_L,"Object has no physical size", R.O->renderable.visual->getDebugName().c_str());
		float		p_hat		=	p_R/P_cam_dist;
		float		p_asp		=	1.f;
		float		p_near		=	P_cam_dist-EPS_L;									
		float		p_far		=	P_cam_dist+p_R+P_cam_range;	
		mProject.build_projection_HAT	(p_hat,p_asp,p_near,p_far);
		RCache.set_xform_project		(mProject);
		
		// calculate view-matrix
		Fmatrix		mView;
		Fvector		v_C, v_Cs, v_N;
		v_C.set					(R.C);
		v_Cs					= v_C;
		v_C.y					+=	P_cam_dist;
		v_N.set					(0,0,1);
		VERIFY					(_valid(v_C) && _valid(v_Cs) && _valid(v_N));

		// validate
		Fvector		v;
		v.sub		(v_Cs,v_C);;
#ifdef DEBUG
		if ((v.x*v.x+v.y*v.y+v.z*v.z)<=flt_zero)	{
			CObject* OO = dynamic_cast<CObject*>(R.O);
			Msg("Object[%s] Visual[%s] has invalid position. ",*OO->cName(),*OO->cNameVisual());
			Fvector cc;
			OO->Center(cc);
			Log("center=",cc);

//.........这里部分代码省略.........
开发者ID:2asoft,项目名称:xray-16,代码行数:101,代码来源:LightProjector.cpp


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