PROTO SceneRender [
    field SFInt32 width 1024
    field SFInt32 height 768
    exposedField SFNode vshader NULL
    exposedField MFString pshader "local/shader/outline.phl"
    exposedField MFString scene "@vr-object-dam.wrl"
  ]
  {
    GroupRenderToTexture {
      # the scene to render
      children DEF Scene Inline { url IS scene }
  
            # scene is rendered to this texture 
            outputTexture DEF OUTPUT_TEXTURE CompositeTexture3D 
            { 
        pixelWidth IS width
                    pixelHeight IS height        
            }
         
            # render the output image by using OUTPUT_TEXTURE
            outputChildren Shape {
                    appearance DEF ShaderAppearance ShaderAppearance {
                            transparent FALSE
  
                            vertexShader VertexShader 
          {
                  url "hlsl:
      float4x4 modelViewProjectionT;
  
      struct VS_OUTPUT
      {
              float4 Pos  : POSITION;
        float2 Tex  : TEXCOORD0;
      };
  
      VS_OUTPUT main (
              float4 Pos  : POSITION, 
              float3 Norm : NORMAL, 
        float2 Tex  : TEXCOORD0
      )
      {
              VS_OUTPUT Out;
              Out.Pos = mul( Pos, modelViewProjectionT );              
              Out.Tex = float2( Tex.x, 1.0 - Tex.y ); // Y FLIP
        return Out;
      }
      "
          }
          
                            # Fragment shader aka Pixel shader
          fragmentShader DEF pshader FragmentShader {
                    exposedField SFFloat time 1
                                    field SFNode image USE OUTPUT_TEXTURE
  
                                    url IS pshader
                            }
                    }
  
        # The principle behind this is to map the outputtexture onto the
        # following Rectangles.
                    geometry Rectangle {}
            }
    }
    
    DEF _TimeSensor TimeSensor {
          cycleInterval 1
          loop TRUE 
          startTime 0
  
  }
  ROUTE _TimeSensor.fraction_changed TO pshader.time
  }
  
  ##SceneRender {  }
    
  
    
  

  
  
  

  []
  readme
  course(s)
   preface 
  I
   1 
   2 
  II
   3 
   4 
  III
   5 
   6 
   7 
  IV
   8 
   9 
   10 
  V
   11 
   12 
  afterthought(s)
  appendix
  reference(s)
  example(s)
  resource(s)
  _
    
  
  
  

  

  (C) A. Eliëns 
  2/9/2007
  
  You may not copy or print any of this material without explicit permission of the author or the publisher. 
  
In case of other copyright issues, contact the author.