domingo, 22 de abril de 2012

NODO GROUP


El nodo Group permite unir un conjunto de nodos de forma que actúen como una entidad única, pero sin efectuar ninguna transformación en ellos.
La principal característica de este tipo de grupo es que los objetos son creados todos en el mismo punto (en el centro del escenario de realidad virtual 0 0 0). 
 
Sintaxis:  
    Group { 
         children [ ... ] 
    }
 
 
El campo children contiene la lista de los objetos que se quieren agrupar, representados por sus nodos Shape respectivos:  
 
Ejemplo GENERAL: 
    Group { 
         children [ 
                 Shape { ... }, 
                 Shape { ... }, 
                 ... 
         ] 
    }

Ejemplo:
#VRML V2.0 utf8

#Le agregaré un transform a group
Transform {
            translation 0 0 -100
        rotation 0 0 0 0
        scale .5 .5 .5
            children [
#Aquí empieza el nodo Group
Group{
children[
#Marco de enfrente de la casa
#Palo horizontal arriba
Transform {
            translation 24 2 0
            children[
Shape {
        appearance Appearance{
                               texture ImageTexture { url "maderaoscura.jpg" }
                              }
                           
        geometry Box { size 80 4 4 }
}
                    ]
      }

#Palo vertical izquierdo
Transform {
            translation -16 -8.5 0
        rotation 0 0 0 0    
            children [
Shape {
        appearance Appearance{
                               texture ImageTexture { url "maderaoscura.jpg" }
                             }
        geometry Box { size 2 25 4 }
       }
                 ]
          }

#Palo horizontal abajo
Transform {
            translation 24.5 -21 0
            children[
Shape {
        appearance Appearance{
                               texture ImageTexture { url "maderaoscura.jpg" }
                              }
                           
        geometry Box { size 83 2 4 }
}
                    ]
      }

#Palo vertical puerta

Transform {
            translation 40 -8.5 0
        rotation 0 0 0 0    
            children [
Shape {
        appearance Appearance{
                               texture ImageTexture { url "maderaoscura.jpg" }
                             }
        geometry Box { size 2 25 4 }
       }
                 ]
          }

#Palo vertical orilla derecha

Transform {
            translation 65 -8.5 0
        rotation 0 0 0 0    
            children [
Shape {
        appearance Appearance{
                               texture ImageTexture { url "maderaoscura.jpg" }
                             }
        geometry Box { size 2 25 4 }
       }
                 ]
          }

#Concreto blanco arriba techo

Transform {
            translation 44.5 8 -49.5
            children[
Shape {
        appearance Appearance{
                               texture ImageTexture { url "tirol.png" }
                              }
                           
        geometry Box { size 160 8 115 }
}
                    ]
      }

#Concreto blanco vertical enmedio

Transform {
            translation 70 -9 2
        rotation 0 0 0 0    
            children [
Shape {
        appearance Appearance{
                               texture ImageTexture { url "tirol.png" }
                             }
        geometry Box { size 8 26 8 }
       }
                 ]
          }

#Concreto blanco vertical orilla derecha
Transform {
            translation 109.75 -9 2
        rotation 0 0 0 0    
            children [
Shape {
        appearance Appearance{
                               texture ImageTexture { url "tirol.png" }
                             }
        geometry Box { size 22 26 8 }
       }
                 ]
          }

#Palo horizontal abajo puerta
Transform {
            translation 86.25 -21 0
            children[
Shape {
        appearance Appearance{
                               texture ImageTexture { url "maderaoscura.jpg" }
                              }
                           
        geometry Box { size 24.5 2 4 }
}
                    ]
      }

#Palo horizontal arriba puerta
Transform {
            translation 86.25 2 0
            children[
Shape {
        appearance Appearance{
                               texture ImageTexture { url "maderaoscura.jpg" }
                              }
                           
        geometry Box { size 24.5 4 4 }
}
                    ]
      }


#Palo vertical puerta de la orilla izquierdo
Transform {
            translation 75 -10 0
        rotation 0 0 0 0    
            children [
Shape {
        appearance Appearance{
                               texture ImageTexture { url "maderaoscura.jpg" }
                             }
        geometry Box { size 2 20 4 }
       }
                 ]
          }



#Palo vertical puerta de la orilla derecha
Transform {
            translation 97.5 -10 0
        rotation 0 0 0 0    
            children [
Shape {
        appearance Appearance{
                               texture ImageTexture { url "maderaoscura.jpg" }
                             }
        geometry Box { size 2 20 4 }
       }
                 ]
          }

#Concreto pared derecha

Transform {
            translation 122.75 -9 -43
            children[
Shape {
        appearance Appearance{
                               texture ImageTexture { url "tirol.png" }
                              }
                           
        geometry Box { size 4 26 97.75 }
}
                    ]
      }

#Palo horizontal arriba cara izquierda
Transform {
            translation -16 2 -46.75
            children[
Shape {
        appearance Appearance{
                               texture ImageTexture { url "maderaoscura.jpg" }
                              }
                           
        geometry Box { size 2 4 90 }
}
                    ]
      }

#Palo horizontal abajo cara izquierda
Transform {
            translation -16 -20 -46.85
            children[
Shape {
        appearance Appearance{
                               texture ImageTexture { url "maderaoscura.jpg" }
                              }
                           
        geometry Box { size 2 4 90 }
}
                    ]
      }

#Palo vertical izquierdo cara izquierda
Transform {
            translation -16 -9 -93.75
        rotation 0 0 0 0    
            children [
Shape {
        appearance Appearance{
                               texture ImageTexture { url "maderaoscura.jpg" }
                             }
        geometry Box { size 2 26 4 }
       }
                 ]
          }

#Pared del fondo
Transform {
            translation 55 -9 -93.75
        rotation 0 0 0 0    
            children [
Shape {
        appearance Appearance{
                               texture ImageTexture { url "tirol.png" }
                             }
        geometry Box { size 140 26 5 }
       }
                 ]
          }

]
}
]
}



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