[ADD] converter of microbit.tilt_angle function

Author: rikutons

src/lib/ruby-to-blocks-converter/microbit.js

@@ -97,6 +97,18 @@ const MicroBitConverter = {
                     )
                 }
                 break;
+            case 'tilt_angle':
+                if (args.length === 1 && this._isString(args[0])) {
+                    block = this._changeBlock(receiver, 'microbit_getTiltAngle', 'value');
+                    delete this._context.blocks[receiver.inputs.EXPRESSION.block];
+                    delete receiver.inputs.EXPRESSION;
+
+                    this._addFieldInput(
+                        block, 'DIRECTION', 'microbit_menu_tiltDirection', 'tiltDirection',
+                        args[0], 'front'
+                    )
+                }
+                break;
             }
         }
         return block;