function() {
    this.jsonInit({
      "message0": Blockly.Msg.LOOKS_GOFORWARDBACKWARDLAYERS,
      "args0": [
        {
          "type": "field_dropdown",
          "name": "FORWARD_BACKWARD",
          "options": [
            [Blockly.Msg.LOOKS_GOFORWARDBACKWARDLAYERS_FORWARD, 'forward'],
            [Blockly.Msg.LOOKS_GOFORWARDBACKWARDLAYERS_BACKWARD, 'backward']
          ]
        },
        {
          "type": "input_value",
          "name": "NUM"
        }
      ],
      "category": Blockly.Categories.looks,
      "extensions": ["colours_looks", "shape_statement"]
    });
  }
function() {
    this.jsonInit({
      "message0": Blockly.Msg.LOOKS_GOFORWARDBACKWARDLAYERS,
      "args0": [
        {
          "type": "field_dropdown",
          "name": "FORWARD_BACKWARD",
          "options": [
            [Blockly.Msg.LOOKS_GOFORWARDBACKWARDLAYERS_FORWARD, 'forward'],
            [Blockly.Msg.LOOKS_GOFORWARDBACKWARDLAYERS_BACKWARD, 'backward']
          ]
        },
        {
          "type": "input_value",
          "name": "NUM"
        }
      ],
      "category": Blockly.Categories.looks,
      "extensions": ["colours_looks", "shape_statement"]
    });
  }
function ( ) { this . jsonInit ( { "message0" : Blockly . Msg . LOOKS_GOFORWARDBACKWARDLAYERS , "args0" : [ { "type" : "field_dropdown" , "name" : "FORWARD_BACKWARD" , "options" : [ [ Blockly . Msg . LOOKS_GOFORWARDBACKWARDLAYERS_FORWARD , 'forward' ] , [ Blockly . Msg . LOOKS_GOFORWARDBACKWARDLAYERS_BACKWARD , 'backward' ] ] } , { "type" : "input_value" , "name" : "NUM" } ] , "category" : Blockly . Categories . looks , "extensions" : [ "colours_looks" , "shape_statement" ] } ) ; }
"Go forward/backward [Number] Layers" Block.
@this Blockly.Block
Go forward / backward [ Number ] Layers Block .
Block for the next forward backward.