IndexedFaceSet2D node

IndexedFaceSet2D {
  MFInt32 coordIndex []
  SFNode coord NULL
  SFNode color NULL
}

Display a polygon. Transparency is not supported. Color is only by triangle (not by vertex).

MFInt32 coordIndex []:
The order to connect each different point of the indexFaceSet

SFNode coord NULL:
Mandatory Coordinate2D node.

SFNode color NULL:
Mandatory Color node.

#VRML V2.0 utf8

# Draw an orange triangle
Group {
 children [
  Shape {
   appearance Appearance {}
   geometry IndexedFaceSet2D {
    color  Color { color 1 0.56 0 }
    coordIndex [
     0, 1,  # point 0 is connected to point 1
     1, 2,  # point 1 is connected to point 2
     2, 0   # point 2 is connected to point 0
    ]
    coord Coordinate2D {
     point [
      -10,  10,  # point 0
       10,   0,  # point 1
      -10, -10,  # point 2
     ]
    }
   }
  }
 ]
}

See Color page for more example