.. _blockcad_example_boolean:

********
布尔运算
********

.. image:: img/boolean_view.png

.. image:: img/boolean_block.png

`javascript 运行 <https://playground.jihalo.com/codecad/js?code=var%20main%20%3D%20function(params%2C%20context)%7B%0A%20%20var%20jih_doc%20%3D%20new%20jihengine.JiHDocument()%0A%20%20jih_doc.pushNode(%22union%22%2C%20''%2C%20params%5B'color1'%5D%2C%20params%5B'checkbox1'%5D)%0A%20%20%20%20jih_doc.box(%22union%22%2C%20params%5B'number1'%5D%2C%20params%5B'number1'%5D%2C%20params%5B'number1'%5D%2C%20'%23ffc658')%0A%20%20%20%20jih_doc.sphere(%22difference%22%2C%20params%5B'number2'%5D%2C%20'%23ffc658')%0A%20%20jih_doc.popNode()%0A%20%20context.jih_doc%20%3D%20jih_doc%0A%7D%0A%0Avar%20defaultConfigs%20%3D%20%5B%0A%20%20%7B%20type%3A%20%22group%22%2C%20name%3A%20'group1'%2C%20caption%3A%20'%E5%B8%83%E5%B0%94%E8%BF%90%E7%AE%97%E7%A4%BA%E4%BE%8B'%20%7D%2C%0A%20%20%7B%20type%3A%20%22number%22%2C%20name%3A%20'number1'%2C%20caption%3A%20'%E7%AB%8B%E6%96%B9%E4%BD%93%E5%A4%A7%E5%B0%8F'%2C%20initial%3A%2010%20%7D%2C%0A%20%20%7B%20type%3A%20%22number%22%2C%20name%3A%20'number2'%2C%20caption%3A%20'%E7%90%83%E4%BD%93%E5%8D%8A%E5%BE%84'%2C%20initial%3A%206%20%7D%2C%0A%20%20%7B%20type%3A%20%22checkbox%22%2C%20name%3A%20'checkbox1'%2C%20caption%3A%20'%E5%90%AF%E7%94%A8%E5%B8%83%E5%B0%94%E8%BF%90%E7%AE%97'%2C%20initial%3A%20true%20%7D%2C%0A%20%20%7B%20type%3A%20%22color%22%2C%20name%3A%20'color1'%2C%20caption%3A%20'%E9%A2%9C%E8%89%B2'%2C%20initial%3A%20'%23589dff'%20%7D%2C%0A%5D%0A>`__

`python 运行 <https://playground.jihalo.com/codecad/py?code=def%20main(params%2C%20context)%3A%0A%0A%20%20jih_doc%20%3D%20new%20jihengine.JiHDocument()%0A%20%20if%20True%3A%0A%20%20%20%20jih_doc.pushNode(%22union%22%2C%20''%2C%20params%5B'color1'%5D%2C%20params%5B'checkbox1'%5D)%0A%20%20%20%20jih_doc.box(%22union%22%2C%20params%5B'number1'%5D%2C%20params%5B'number1'%5D%2C%20params%5B'number1'%5D%2C%20'%23ffc658')%0A%20%20%20%20jih_doc.sphere(%22difference%22%2C%20params%5B'number2'%5D%2C%20'%23ffc658')%0A%20%20%20%20jih_doc.popNode()%0A%20%20context.jih_doc%20%3D%20jih_doc%0A%0A%0AdefaultConfigs%20%3D%20%5B%0A%20%20%7B%20type%3A%20%22group%22%2C%20name%3A%20'group1'%2C%20caption%3A%20'%E5%B8%83%E5%B0%94%E8%BF%90%E7%AE%97%E7%A4%BA%E4%BE%8B'%20%7D%2C%0A%20%20%7B%20type%3A%20%22number%22%2C%20name%3A%20'number1'%2C%20caption%3A%20'%E7%AB%8B%E6%96%B9%E4%BD%93%E5%A4%A7%E5%B0%8F'%2C%20initial%3A%2010%20%7D%2C%0A%20%20%7B%20type%3A%20%22number%22%2C%20name%3A%20'number2'%2C%20caption%3A%20'%E7%90%83%E4%BD%93%E5%8D%8A%E5%BE%84'%2C%20initial%3A%206%20%7D%2C%0A%20%20%7B%20type%3A%20%22checkbox%22%2C%20name%3A%20'checkbox1'%2C%20caption%3A%20'%E5%90%AF%E7%94%A8%E5%B8%83%E5%B0%94%E8%BF%90%E7%AE%97'%2C%20initial%3A%20True%20%7D%2C%0A%20%20%7B%20type%3A%20%22color%22%2C%20name%3A%20'color1'%2C%20caption%3A%20'%E9%A2%9C%E8%89%B2'%2C%20initial%3A%20'%23589dff'%20%7D%2C%0A%5D%0A>`__

`npl 运行 <https://playground.jihalo.com/codecad/npl?code=local%20main%20%3D%20function(params%2C%20context)%0A%20%20local%20jih_doc%20%3D%20JiHDocument%3Anew()%0A%20%20jih_doc%3ApushNode(%22union%22%2C%20''%2C%20params%5B'color1'%5D%2C%20params%5B'checkbox1'%5D)%0A%20%20%20%20jih_doc%3Abox(%22union%22%2C%20params%5B'number1'%5D%2C%20params%5B'number1'%5D%2C%20params%5B'number1'%5D%2C%20'%23ffc658')%0A%20%20%20%20jih_doc%3Asphere(%22difference%22%2C%20params%5B'number2'%5D%2C%20'%23ffc658')%0A%20%20jih_doc%3ApopNode()%0A%20%20context.jih_doc%20%3D%20jih_doc%0Aend%0A%0Alocal%20defaultConfigs%20%3D%20%7B%0A%20%20%7B%20type%20%3D%20%22group%22%2C%20name%20%3D%20'group1'%2C%20caption%20%3D%20'%E5%B8%83%E5%B0%94%E8%BF%90%E7%AE%97%E7%A4%BA%E4%BE%8B'%20%7D%2C%0A%20%20%7B%20type%20%3D%20%22number%22%2C%20name%20%3D%20'number1'%2C%20caption%20%3D%20'%E7%AB%8B%E6%96%B9%E4%BD%93%E5%A4%A7%E5%B0%8F'%2C%20initial%20%3D%2010%20%7D%2C%0A%20%20%7B%20type%20%3D%20%22number%22%2C%20name%20%3D%20'number2'%2C%20caption%20%3D%20'%E7%90%83%E4%BD%93%E5%8D%8A%E5%BE%84'%2C%20initial%20%3D%206%20%7D%2C%0A%20%20%7B%20type%20%3D%20%22checkbox%22%2C%20name%20%3D%20'checkbox1'%2C%20caption%20%3D%20'%E5%90%AF%E7%94%A8%E5%B8%83%E5%B0%94%E8%BF%90%E7%AE%97'%2C%20initial%20%3D%20true%20%7D%2C%0A%20%20%7B%20type%20%3D%20%22color%22%2C%20name%20%3D%20'color1'%2C%20caption%20%3D%20'%E9%A2%9C%E8%89%B2'%2C%20initial%20%3D%20'%23589dff'%20%7D%2C%0A%7D%0A>`__

代码
----

.. tabs::

    .. tab:: javascript

        .. code-block:: javascript

            var main = function(params, context){
                var jih_doc = new jihengine.JiHDocument()
                jih_doc.pushNode("union", '', params['color1'], params['checkbox1'])
                jih_doc.box("union", params['number1'], params['number1'], params['number1'], '#ffc658')
                jih_doc.sphere("difference", params['number2'], '#ffc658')
                jih_doc.popNode()
                context.jih_doc = jih_doc
            }

            var defaultConfigs = [
                { type: "group", name: 'group1', caption: '布尔运算示例' },
                { type: "number", name: 'number1', caption: '立方体大小', initial: 10 },
                { type: "number", name: 'number2', caption: '球体半径', initial: 6 },
                { type: "checkbox", name: 'checkbox1', caption: '启用布尔运算', initial: true },
                { type: "color", name: 'color1', caption: '颜色', initial: '#589dff' },
            ]

    .. tab:: python

        .. code-block:: python

            def main(params, context):

                jih_doc = new jihengine.JiHDocument()
                if True:
                    jih_doc.pushNode("union", '', params['color1'], params['checkbox1'])
                    jih_doc.box("union", params['number1'], params['number1'], params['number1'], '#ffc658')
                    jih_doc.sphere("difference", params['number2'], '#ffc658')
                    jih_doc.popNode()
                context.jih_doc = jih_doc


            defaultConfigs = [
                { type: "group", name: 'group1', caption: '布尔运算示例' },
                { type: "number", name: 'number1', caption: '立方体大小', initial: 10 },
                { type: "number", name: 'number2', caption: '球体半径', initial: 6 },
                { type: "checkbox", name: 'checkbox1', caption: '启用布尔运算', initial: True },
                { type: "color", name: 'color1', caption: '颜色', initial: '#589dff' },
            ]

    .. tab:: npl

        .. code-block:: lua

            local main = function(params, context)
                local jih_doc = JiHDocument:new()
                jih_doc:pushNode("union", '', params['color1'], params['checkbox1'])
                jih_doc:box("union", params['number1'], params['number1'], params['number1'], '#ffc658')
                jih_doc:sphere("difference", params['number2'], '#ffc658')
                jih_doc:popNode()
                context.jih_doc = jih_doc
            end

            local defaultConfigs = {
                { type = "group", name = 'group1', caption = '布尔运算示例' },
                { type = "number", name = 'number1', caption = '立方体大小', initial = 10 },
                { type = "number", name = 'number2', caption = '球体半径', initial = 6 },
                { type = "checkbox", name = 'checkbox1', caption = '启用布尔运算', initial = true },
                { type = "color", name = 'color1', caption = '颜色', initial = '#589dff' },
            }

..
    预览
    ----
..
    .. raw:: html

   <div class="sketchfab-embed-wrapper">
      <iframe
        title="default"
        frameborder="0"
        allowfullscreen
        mozallowfullscreen="true"
        webkitallowfullscreen="true"
        allow="autoplay; fullscreen; xr-spatial-tracking"
        xr-spatial-tracking
        execution-while-out-of-viewport
        execution-while-not-rendered
        web-share
        width="800px" 
        height="600px"
        src="https://sketchfab.com/models/43ca7e96d5fc4bee96e660cb58104ae0/embed"
      >
      </iframe>
      <p
        style="
          font-size: 13px;
          font-weight: normal;
          margin: 5px;
          color: #4a4a4a;
        "
      >
        <a
          href="https://sketchfab.com/3d-models/default-43ca7e96d5fc4bee96e660cb58104ae0?utm_medium=embed&utm_campaign=share-popup&utm_content=43ca7e96d5fc4bee96e660cb58104ae0"
          target="_blank"
          rel="nofollow"
          style="font-weight: bold; color: #1caad9"
        >
          default
        </a>
        by
        <a
          href="https://sketchfab.com/zhangleio?utm_medium=embed&utm_campaign=share-popup&utm_content=43ca7e96d5fc4bee96e660cb58104ae0"
          target="_blank"
          rel="nofollow"
          style="font-weight: bold; color: #1caad9"
        >
          zhangleio
        </a>
        on
        <a
          href="https://sketchfab.com?utm_medium=embed&utm_campaign=share-popup&utm_content=43ca7e96d5fc4bee96e660cb58104ae0"
          target="_blank"
          rel="nofollow"
          style="font-weight: bold; color: #1caad9"
        >
          Sketchfab
        </a>
      </p>
    </div>