Switch {
      whichChoice -1
      choice [
          DEF SPHERE_BULLET Transform {
              translation -0.1 -0.1 0
              children [
                  Shape {
                      appearance DEF BULLETAPPEARANCE Appearance {
                          material Material {
                              diffuseColor 0 .2 .9
                          }
                      }
                      geometry Sphere { radius 0.2 }
                  }
              ]
          }
          DEF BOX_BULLET Transform {
              translation -0.1 -0.1 0
              children [
                  Shape {
                      appearance USE BULLETAPPEARANCE
                      geometry Box { size 0.8 0.8 0.8 }
                 }
              ]
          }
          DEF CONE_BULLET Transform {
              translation -0.1 -0.1 0
              rotation 0 0 1 -1.56
              children Shape {
                  appearance USE BULLETAPPEARANCE
                  geometry Cone { bottomRadius 0.4 height 0.8 }
              }
          }
      ]
  }