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C++ LLCamera::getFar方法代码示例

本文整理汇总了C++中LLCamera::getFar方法的典型用法代码示例。如果您正苦于以下问题:C++ LLCamera::getFar方法的具体用法?C++ LLCamera::getFar怎么用?C++ LLCamera::getFar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LLCamera的用法示例。


在下文中一共展示了LLCamera::getFar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: updateFrustumPlanes

//static
void LLViewerCamera::updateFrustumPlanes(LLCamera& camera, BOOL ortho, BOOL zflip, BOOL no_hacks)
{
	LLVector3 frust[8];

	LLRect view_port(gGLViewport[0],gGLViewport[1]+gGLViewport[3],gGLViewport[0]+gGLViewport[2],gGLViewport[1]);

	if (no_hacks)
	{
		gGL.unprojectf(LLVector3(view_port.mLeft,view_port.mBottom,0.f),gGLModelView,gGLProjection,view_port,frust[0]);
		gGL.unprojectf(LLVector3(view_port.mRight,view_port.mBottom,0.f),gGLModelView,gGLProjection,view_port,frust[1]);
		gGL.unprojectf(LLVector3(view_port.mRight,view_port.mTop,0.f),gGLModelView,gGLProjection,view_port,frust[2]);
		gGL.unprojectf(LLVector3(view_port.mLeft,view_port.mTop,0.f),gGLModelView,gGLProjection,view_port,frust[3]);

		gGL.unprojectf(LLVector3(view_port.mLeft,view_port.mBottom,1.f),gGLModelView,gGLProjection,view_port,frust[4]);
		gGL.unprojectf(LLVector3(view_port.mRight,view_port.mBottom,1.f),gGLModelView,gGLProjection,view_port,frust[5]);
		gGL.unprojectf(LLVector3(view_port.mRight,view_port.mTop,1.f),gGLModelView,gGLProjection,view_port,frust[6]);
		gGL.unprojectf(LLVector3(view_port.mLeft,view_port.mTop,1.f),gGLModelView,gGLProjection,view_port,frust[7]);
	}
	else if (zflip)
	{
		gGL.unprojectf(LLVector3(view_port.mLeft,view_port.mTop,0.f),gGLModelView,gGLProjection,view_port,frust[0]);
		gGL.unprojectf(LLVector3(view_port.mRight,view_port.mTop,0.f),gGLModelView,gGLProjection,view_port,frust[1]);
		gGL.unprojectf(LLVector3(view_port.mRight,view_port.mBottom,0.f),gGLModelView,gGLProjection,view_port,frust[2]);
		gGL.unprojectf(LLVector3(view_port.mLeft,view_port.mBottom,0.f),gGLModelView,gGLProjection,view_port,frust[3]);

		gGL.unprojectf(LLVector3(view_port.mLeft,view_port.mTop,1.f),gGLModelView,gGLProjection,view_port,frust[4]);
		gGL.unprojectf(LLVector3(view_port.mRight,view_port.mTop,1.f),gGLModelView,gGLProjection,view_port,frust[5]);
		gGL.unprojectf(LLVector3(view_port.mRight,view_port.mBottom,1.f),gGLModelView,gGLProjection,view_port,frust[6]);
		gGL.unprojectf(LLVector3(view_port.mLeft,view_port.mBottom,1.f),gGLModelView,gGLProjection,view_port,frust[7]);

		for (U32 i = 0; i < 4; i++)
		{
			frust[i+4] = frust[i+4]-frust[i];
			frust[i+4].normVec();
			frust[i+4] = frust[i] + frust[i+4]*camera.getFar();
		}
	}
	else
	{
		gGL.unprojectf(LLVector3(view_port.mLeft,view_port.mBottom,0.f),gGLModelView,gGLProjection,view_port,frust[0]);
		gGL.unprojectf(LLVector3(view_port.mRight,view_port.mBottom,0.f),gGLModelView,gGLProjection,view_port,frust[1]);
		gGL.unprojectf(LLVector3(view_port.mRight,view_port.mTop,0.f),gGLModelView,gGLProjection,view_port,frust[2]);
		gGL.unprojectf(LLVector3(view_port.mLeft,view_port.mTop,0.f),gGLModelView,gGLProjection,view_port,frust[3]);
		
		if (ortho)
		{
			LLVector3 far_shift = camera.getAtAxis()*camera.getFar()*2.f; 
			for (U32 i = 0; i < 4; i++)
			{
				frust[i+4] = frust[i] + far_shift;
			}
		}
		else
		{
			for (U32 i = 0; i < 4; i++)
			{
				LLVector3 vec = frust[i] - camera.getOrigin();
				vec.normVec();
				frust[i+4] = camera.getOrigin() + vec*camera.getFar();
			}
		}
	}

	camera.calcAgentFrustumPlanes(frust);
}
开发者ID:1234-,项目名称:SingularityViewer,代码行数:66,代码来源:llviewercamera.cpp


注:本文中的LLCamera::getFar方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。