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Following semantics for parameters in Effect-Files are currently supported in vvvv. All Semantics are case-insensitive.

semantic |
description |
type |

world | holds the transformation connected to the "Transform" pin. multiply the points of your mesh with that matrix so that you can transform meshes in space.object space -> world space | float4x4 |

worldinverse | the inverse of the world matrixworld space -> object space * |
float4x4 |

worldtranspose | the transpose of the world matrix * |
float4x4 |

worldinversetranspose | the transpose of the inverse of the world matrix * |
float4x4 |

view | this is the transformation you connected to the renderer at pin "View Transform". this matrix normally holds the position and orientation of the camera. multiply the points of your mesh to get them relative to the camera. still no distortion has taken place. after multiplication x goes right, y goes up and z goes into the monitor.world space -> view space | float4x4 |

viewinverse | view-inverse-matrix | float4x4 |

viewtranpose | view-tranpose-matrix | float4x4 |

viewinversetranspose | view-inverse-transpose-matrix | float4x4 |

projection | this is the transformation you connected to the renderer at pin "Projection Transform". it normally holds a perspective transformation. multiply the points of your mesh to distort them by a lens. after multiplication x and y values in between -1 and 1 are visible in the renderer. points wiht z=0 are in front (NearClipping Plane), points with z=1 are behind (Far Clipping Plane).view space -> projection space | float4x4 |

projectioninverse | projection-inverse-matrix | float4x4 |

projectiontranpose | projection-tranpose-matrix | float4x4 |

projectioninversetranspose | projection-inverse-transpose-matrix | float4x4 |

worldview | world-view-matrix. shortcut to get fromobject space -> view space with one matrix multiplication * |
float4x4 |

worldviewinverse | world-view-inverse-matrix * |
float4x4 |

worldviewtranspose | world-view-transpose-matrix * |
float4x4 |

worldviewinversetranspose | world-view-inverse-transpose-matrix * |
float4x4 |

viewprojection | view-projection-matrix | float4x4 |

viewprojectioninverse | view-projection-inverse-matrix | float4x4 |

viewprojectiontranspose | view-projection-matrix | float4x4 |

viewprojectioninversetranspose | view-projection-inverse-transpose-matrix | float4x4 |

worldviewprojection | world-view-projection-matrix. very comfortable matrix to get points from the original mesh relative to the camera and also distorted by its lens.object space -> projection space * |
float4x4 |

worldviewprojectioninverse | world-view-projection-inverse-matrix * |
float4x4 |

worldviewprojectiontranspose | world-view-projection-transpose-matrix * |
float4x4 |

worldviewprojectioninversetranspose | world-view-projection-inverse-transpose-matrix * |
float4x4 |

cameraposition | the cameraposition | float3 |

texturematrix | use this to get a vvvv style symmetric texture transformation | float4x4 (or float3x3) |

viewportindex | the index of the currently drawn viewport | int |

viewportcount | how many viewports the renderer draws | int |

targetsize | size of the rendertarget in pixels | float2 |

invtargetsize | 1 / targetsize | float2 |

color | use this to get a vvvv style colorpin | float4 |

***** if you don`t declare a world-matrix in your effect, but want to make use of any of the world-view-projection-matrices (those matrices you need a world-matrix for to calculate, like "worldview" or "worldviewprojection"), a matrix-pin for the world-matrix will automatically be added (the "Transform Pin") to your effectnode (with the identity matrix as default value).

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