#VRML V2.0 utf8
#pizza.wrl Sebastien Marnier 01/98

Group {
    children [
        Viewpoint {
            position 0 0.5 4
        }

        Transform {                  #pizza entiere  (carre c'est plus simple)
            translation -2 0 0
            children [
                Shape {
                    appearance DEF pizza Appearance {    #on utilise l'image pizza.gif
                        texture ImageTexture {
                            url ["pizza.gif"]
                        }
                    }
                    geometry IndexedFaceSet {
                        coord Coordinate {
                            point [ 0 1 0, 1 1 0, 1 0 0, 0 0 0 ]
                        }
                        solid FALSE
                        coordIndex [ 0,1,2,3,-1 ]
                    }
                }
            ]
        },

         Transform {                                 #part de pizza
             translation 0 0 0
             children [
                 Shape {
                     appearance USE pizza                   #on reutilise pizza.gif
                     
                     geometry IndexedFaceSet {              #on defini une forme triangulaire
                         coord Coordinate {
                             point [ 0 0 0,0.5 0.5 0,1 0 0 ]
                         }
                         solid FALSE
                         coordIndex [ 0,1,2,-1 ]

                         texCoord TextureCoordinate {       #on decoupe un triangle
                             point [ 0 0 ,0.5 0.5 ,1 0 ]    #valeurs en % de l'image
                         }
                         texCoordIndex [ 0,1,2,-1 ]
                     }
                 }
             ]
         },

         Transform {                                #reste de la pizza
             translation 0 0.5 0
             children [
                 Shape {
                     appearance USE pizza           #toujours pizza.gif
                     
                     geometry IndexedFaceSet {      #on defini le reste de la pizza
                         coord Coordinate {
                             point [ 0 1 0, 1 1 0, 1 0 0, 0.5 0.5 0,0 0 0 ]    
                         }
                         solid FALSE
                         coordIndex [               #pour eviter les angles obtus sur les  
                             0,4,3,-1               #faces on la coupe en deux morceaux
                             0,2,1,-1
                         ]
                         texCoord TextureCoordinate {      #on coupe des textures de la forme des faces
                             point [ 0 1 , 1 1 , 1 0 , 0.5 0.5 , 0 0  ]
                         }
                         texCoordIndex [              #on plaque les textures
                              0,4,3,-1
                              0,2,1,-1
                         ]
                    }
                }
            ]
        },
    ]
}