="1" data-bind="value: particleLife, valueUpdate: 'input'">
                        <input type="text" size="5" data-bind="value: particleLife">
                    </td>
                </tr>


                <tr>
                    <td>速度(speed)</td>
                    <td>
                        <input type="range" min="0.0" max="30.0" step="1" data-bind="value: speed, valueUpdate: 'input'">
                        <input type="text" size="5" data-bind="value: speed">
                    </td>
  