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C++ ShadeContext::GetRenderElement方法代码示例

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


在下文中一共展示了ShadeContext::GetRenderElement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: Shade


//.........这里部分代码省略.........
   IPoint2 sp = sc.ScreenCoord();
   if ( sp.x == stopX && sp.y == stopY )
      sp.x = stopX;
#endif

   if (gbufID) sc.SetGBufferID(gbufID);
   IllumParams ip( 1, &shadowIllumOutStr);
   IllumParams ipNS(0, NULL);
   ip.ClearInputs(); ip.ClearOutputs();
   ipNS.ClearInputs(); ipNS.ClearOutputs();
   ip.hasComponents = ipNS.hasComponents = HAS_MATTE_MTL; 
   
   // get background color & transparency
   if (!opaque) sc.Execute(0x1000); // DS: 6/24/99:use black bg when AA filtering (#192348)
   sc.GetBGColor(c, t, fogBG&&(!fogObjDepth) );
   if (!opaque) sc.Execute(0x1001); // DS: 6/24/99:use black bg when AA filtering (#192348)

   if (shadowBG && sc.shadow) {
      /********
      sc.shadow = 0;
      Color col0 = sc.DiffuseIllum();
      sc.shadow = 1;
      Color scol = sc.DiffuseIllum();
      float f = Intens(col0);
      atten = (f>0.0f)?Intens(scol)/f:1.0f;
      if (atten>1.0f) atten = 1.0f/atten;
      ********/
      atten = IllumShadow( sc, shadowClr );
      atten = amblev + (1.0f-amblev) * atten; 

      // key on black user-set shadow clr
      if( gUseLocalShadowClr || col.r != 0.0f || col.g != 0.0f || col.b != 0.0f )
            shadowClr = col;

      ipNS.finalC = ipNS.diffIllumOut = c;
      c *= atten;
      ip.diffIllumOut = c;

      shadowClr *= 1.0f - atten;
      ip.finalC = sc.out.c = c + shadowClr;

      ip.SetUserIllumOutput( 0, shadowClr );

      if (shadowAlpha)
         t *= atten;
   } else {
      sc.out.c  = 
      ipNS.finalC = ipNS.diffIllumOut = ip.finalC = ip.diffIllumOut = c;
   }


   // add the reflections
   if (reflmap && useReflMap) {
      AColor rcol;
      if (reflmap->HandleOwnViewPerturb()) {
         sc.TossCache(reflmap);
         rcol = reflmap->EvalColor(sc);
      } else 
         rcol = sc.EvalEnvironMap(reflmap, sc.ReflectVector());

      Color rc;
      rc = Color(rcol.r,rcol.g,rcol.b)*reflAmt;
      ip.reflIllumOut = ipNS.reflIllumOut = rc;

      if( additiveReflection ) {
         // additive compositing of reflections
         sc.out.c += rc; ip.finalC += rc; ipNS.finalC += rc;
      } else {
         reflA = Intens( rc );
         // over compositing of reflections 
         sc.out.c = (1.0f - reflA) * sc.out.c + rc; 
         ip.finalC = (1.0f - reflA) * ip.finalC + rc;
         ipNS.finalC = (1.0f - reflA) * ipNS.finalC + rc;
      }
   }

   // render elements
   Clamp( t );
   Clamp( reflA );
   ip.finalT = ipNS.finalT = sc.out.t = opaque ? black: additiveReflection? t : Color(reflA,reflA,reflA) ; 
   int nEles = sc.NRenderElements();
   if( nEles != 0 ){
      ip.pShader = ipNS.pShader = NULL; // no shader on matte mtl
      ip.stdIDToChannel = ipNS.stdIDToChannel = NULL;
      ip.pMtl = ipNS.pMtl = this;
      ip.finalAttenuation = ipNS.finalAttenuation = 1.0f;

      for( int i=0; i < nEles; ++i ){
         IRenderElement* pEle = sc.GetRenderElement(i);
         if( pEle->IsEnabled() ){
            MaxRenderElement* pMaxEle = (MaxRenderElement*)pEle->GetInterface( MaxRenderElement::IID );
            if( pEle->ShadowsApplied() )
               pMaxEle->PostIllum( sc, ip );
            else
               pMaxEle->PostIllum( sc, ipNS );
         }
      }
   }

}
开发者ID:innovatelogic,项目名称:ilogic-vm,代码行数:101,代码来源:matte.cpp


注:本文中的ShadeContext::GetRenderElement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。