snake_transmit_task.htm
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</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><b><strong><font size="2"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><span style="mso-tab-count:1">
</span>//</span><span style="font-size:10.0pt;
font-family:宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt;
mso-ansi-language:ZH-CN">判断</span><span lang="EN-US" style="font-size:10.0pt;
font-family:宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt">snake</span><span style="font-size:10.0pt;font-family:宋体;mso-hansi-font-family:"Times New Roman";
mso-font-kerning:0pt;mso-ansi-language:ZH-CN">头部的变化</span><span lang="EN-US" style="font-size:10.0pt;font-family:宋体;mso-hansi-font-family:"Times New Roman";
mso-font-kerning:0pt"><o:p>
</o:p>
</span></font></strong></b></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><span style="mso-tab-count:1"><font size="2"><b><strong>
</strong></b></font>
</span><font size="2"><b><strong>switch (HeadDirect)<o:p>
</o:p>
</strong></b></font>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><span style="mso-tab-count:2"><font size="2"><b><strong>
</strong></b></font>
</span><font size="2"><b><strong>{<o:p>
</o:p>
</strong></b></font>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><span style="mso-tab-count:2"><font size="2"><b><strong>
</strong></b></font>
</span><font size="2"><b><strong><span style="mso-tab-count:1"> </span>case 1:<o:p>
</o:p>
</strong></b></font>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><span style="mso-tab-count:3"><font size="2"><b><strong>
</strong></b></font>
</span><font size="2"><b><strong><span style="mso-tab-count:1"> </span>HeadPos[0] =
HeadPos[0] + 1;<o:p>
</o:p>
</strong></b></font>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><span style="mso-tab-count:3"><font size="2"><b><strong>
</strong></b></font>
</span><font size="2"><b><strong><span style="mso-tab-count:1"> </span>break;<o:p>
</o:p>
</strong></b></font>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><span style="mso-tab-count:2"><font size="2"><b><strong>
</strong></b></font>
</span><font size="2"><b><strong><span style="mso-tab-count:1"> </span>case 2:<o:p>
</o:p>
</strong></b></font>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><span style="mso-tab-count:3"><font size="2"><b><strong>
</strong></b></font>
</span><font size="2"><b><strong><span style="mso-tab-count:1"> </span>HeadPos[0] =
HeadPos[0] - 1;<o:p>
</o:p>
</strong></b></font>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><span style="mso-tab-count:3"><font size="2"><b><strong>
</strong></b></font>
</span><font size="2"><b><strong><span style="mso-tab-count:1"> </span>break;<o:p>
</o:p>
</strong></b></font>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><span style="mso-tab-count:2"><font size="2"><b><strong>
</strong></b></font>
</span><font size="2"><b><strong><span style="mso-tab-count:1"> </span>case 3:<o:p>
</o:p>
</strong></b></font>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><span style="mso-tab-count:3"><font size="2"><b><strong>
</strong></b></font>
</span><font size="2"><b><strong><span style="mso-tab-count:1"> </span>HeadPos[1] =
HeadPos[1] - 1;<o:p>
</o:p>
</strong></b></font>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><span style="mso-tab-count:3"><font size="2"><b><strong>
</strong></b></font>
</span><font size="2"><b><strong><span style="mso-tab-count:1"> </span>break;<o:p>
</o:p>
</strong></b></font>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><span style="mso-tab-count:2"><font size="2"><b><strong>
</strong></b></font>
</span><font size="2"><b><strong><span style="mso-tab-count:1"> </span>case 4:<o:p>
</o:p>
</strong></b></font>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><span style="mso-tab-count:3"><font size="2"><b><strong>
</strong></b></font>
</span><font size="2"><b><strong><span style="mso-tab-count:1"> </span>HeadPos[1] =
HeadPos[1] + 1;<o:p>
</o:p>
</strong></b></font>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><span style="mso-tab-count:3"><font size="2"><b><strong>
</strong></b></font>
</span><font size="2"><b><strong><span style="mso-tab-count:1"> </span>break;<o:p>
</o:p>
</strong></b></font>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><span style="mso-tab-count:2"><font size="2"><b><strong>
</strong></b></font>
</span><font size="2"><b><strong>}<o:p>
</o:p>
</strong></b></font>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><span style="mso-tab-count:1"><font size="2"><b><strong>
</strong></b></font>
</span><font size="2"><strong><b>//</b></strong></font></span><font size="2"><b><strong><span style="font-size:10.0pt;
font-family:宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt;
mso-ansi-language:ZH-CN">判断</span><span lang="EN-US" style="font-size:10.0pt;
font-family:宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt">snake</span><span style="font-size:10.0pt;font-family:宋体;mso-hansi-font-family:"Times New Roman";
mso-font-kerning:0pt;mso-ansi-language:ZH-CN">尾部的变化</span><span lang="EN-US" style="font-size:10.0pt;font-family:宋体;mso-hansi-font-family:"Times New Roman";
mso-font-kerning:0pt"><o:p>
</o:p>
</span></strong></b></font></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><span style="mso-tab-count:1"><font size="2"><b><strong>
</strong></b></font>
</span><font size="2"><b><strong><o:p>
</o:p>
</strong></b></font>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><b><strong><font size="2"><span style="mso-tab-count:1">
</span>if (ChangePointCount > 0)<o:p>
</o:p>
</font></strong></b>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><span style="mso-tab-count:1"><font size="2"><b><strong>
</strong></b></font>
</span><font size="2"><b><strong>{<o:p>
</o:p>
</strong></b></font>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><span style="mso-tab-count:1"><font size="2"><b><strong>
</strong></b></font>
</span><font size="2"><b><strong><span style="mso-spacerun: yes"> </span>if ( (
abs(ChangePointPos[ChangePointCount-1][0]-EndPos[0])+abs(ChangePointPos[ChangePointCount-1][1]-EndPos[1]))
== 0)<o:p>
</o:p>
</strong></b></font>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><span style="mso-tab-count:2"><font size="2"><b><strong>
</strong></b></font>
</span><font size="2"><b><strong><span style="mso-spacerun: yes"> </span>{<o:p>
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