“计算机（儿童）-2014年春-定福小学-第七次活动-课程提纲”的版本间的差异

<br/>

<div align="left" style="word-wrap: break-word; color: rgb(0, 0, 0); font-family: Tahoma, 'Microsoft Yahei', SimSun, sans-serif; font-size: 14px; line-height: 21px;">1.复习：&nbsp;&nbsp;15‘</div><div align="left" style="word-wrap: break-word; color: rgb(0, 0, 0); font-family: Tahoma, 'Microsoft Yahei', SimSun, sans-serif; font-size: 14px; line-height: 21px;">&nbsp; &nbsp;(1) 面向角色&nbsp;&nbsp;-2’</div><div align="left" style="word-wrap: break-word; color: rgb(0, 0, 0); font-family: Tahoma, 'Microsoft Yahei', SimSun, sans-serif; font-size: 14px; line-height: 21px;">&nbsp; &nbsp;(2) 重复直到就 （走向角色，碰到后说话） 5’</div><div align="left" style="word-wrap: break-word; color: rgb(0, 0, 0); font-family: Tahoma, 'Microsoft Yahei', SimSun, sans-serif; font-size: 14px; line-height: 21px;">&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;与重复执行比较 （两种不同的实现方法） -5’</div><div align="left" style="word-wrap: break-word; color: rgb(0, 0, 0); font-family: Tahoma, 'Microsoft Yahei', SimSun, sans-serif; font-size: 14px; line-height: 21px;">&nbsp; &nbsp;(3) 上下左右键控制角色（密道） -3’&nbsp;&nbsp;</div><div align="left" style="word-wrap: break-word; color: rgb(0, 0, 0); font-family: Tahoma, 'Microsoft Yahei', SimSun, sans-serif; font-size: 14px; line-height: 21px;">2.新知识点学习： 变量 -11’</div><div align="left" style="word-wrap: break-word; color: rgb(0, 0, 0); font-family: Tahoma, 'Microsoft Yahei', SimSun, sans-serif; font-size: 14px; line-height: 21px;">&nbsp;&nbsp;(1) 什么是变量&nbsp; &nbsp; 6’</div><div align="left" style="word-wrap: break-word; color: rgb(0, 0, 0); font-family: Tahoma, 'Microsoft Yahei', SimSun, sans-serif; font-size: 14px; line-height: 21px;">&nbsp; &nbsp;&nbsp; &nbsp; 使用记分纸片为例子来讲解变量的作用： 记录数据 和 可以变化</div><div align="left" style="word-wrap: break-word; color: rgb(0, 0, 0); font-family: Tahoma, 'Microsoft Yahei', SimSun, sans-serif; font-size: 14px; line-height: 21px;">&nbsp;&nbsp;(2) 哪些地方可以用变量：演示变量替换&nbsp; &nbsp;&nbsp;&nbsp;5‘</div><div align="left" style="word-wrap: break-word; color: rgb(0, 0, 0); font-family: Tahoma, 'Microsoft Yahei', SimSun, sans-serif; font-size: 14px; line-height: 21px;">&nbsp; &nbsp;&nbsp; &nbsp; 程序里边有数值和说话的地方</div><div align="left" style="word-wrap: break-word; color: rgb(0, 0, 0); font-family: Tahoma, 'Microsoft Yahei', SimSun, sans-serif; font-size: 14px; line-height: 21px;">&nbsp; &nbsp;&nbsp; &nbsp; 记录程序分数的地 方</div><ul style="word-wrap: break-word; margin: 0px 0px 0px 14px; padding: 0px; color: rgb(0, 0, 0); font-family: Tahoma, 'Microsoft Yahei', SimSun, sans-serif; font-size: 14px; line-height: 21px;">

<li> 课堂任务&nbsp;&nbsp;-15‘<br/></li>

<div align="left" style="word-wrap: break-word; color: rgb(0, 0, 0); font-family: Tahoma, 'Microsoft Yahei', SimSun, sans-serif; font-size: 14px; line-height: 21px;">（1）做一个上下左右控制角色移动的效果，使用变量统一设定上下左右每次移动的步数，每次走1步&nbsp; &nbsp;-5’</div><div align="left" style="word-wrap: break-word; color: rgb(0, 0, 0); font-family: Tahoma, 'Microsoft Yahei', SimSun, sans-serif; font-size: 14px; line-height: 21px;">（2）新建一个变量，用新的变量记录角色已经走了的步数 - 5’</div><div align="left" style="word-wrap: break-word; color: rgb(0, 0, 0); font-family: Tahoma, 'Microsoft Yahei', SimSun, sans-serif; font-size: 14px; line-height: 21px;">（3）当走了超过10步的时候，每次移动的步数变为2步,角色变大一倍&nbsp; &nbsp; -5’</div><div align="left" style="word-wrap: break-word; color: rgb(0, 0, 0); font-family: Tahoma, 'Microsoft Yahei', SimSun, sans-serif; font-size: 14px; line-height: 21px;">&nbsp;&nbsp;(4)&nbsp;&nbsp;新建一个变量，做步数倒计时，每走一步减一，倒计时为0时，说一句话：变身 ，使角色变大两倍&nbsp;&nbsp;（附加进阶）</div>

<li> 课堂任务&nbsp;&nbsp;-8’<br/></li>

</ul>

<br/>

<br/>

<div align="left" style="word-wrap: break-word; color: rgb(0, 0, 0); font-family: Tahoma, 'Microsoft Yahei', SimSun, sans-serif; font-size: 14px; line-height: 21px;">第二节课： 50分钟</div><ul style="word-wrap: break-word; margin: 0px 0px 0px 14px; padding: 0px; color: rgb(0, 0, 0); font-family: Tahoma, 'Microsoft Yahei', SimSun, sans-serif; font-size: 14px; line-height: 21px;">

<li> 小知识点解释： 18’<br/></li>

<div align="left" style="word-wrap: break-word; color: rgb(0, 0, 0); font-family: Tahoma, 'Microsoft Yahei', SimSun, sans-serif; font-size: 14px; line-height: 21px;">&nbsp; &nbsp;（1)&nbsp;&nbsp;对不同角色编辑脚本&nbsp;&nbsp;—想控制那个角色，先选中角色再编辑脚本&nbsp; &nbsp;3’</div><div align="left" style="word-wrap: break-word; color: rgb(0, 0, 0); font-family: Tahoma, 'Microsoft Yahei', SimSun, sans-serif; font-size: 14px; line-height: 21px;">&nbsp; &nbsp;（2）坐标，讲解坐标的概念&nbsp;&nbsp;-5‘</div><div align="left" style="word-wrap: break-word; color: rgb(0, 0, 0); font-family: Tahoma, 'Microsoft Yahei', SimSun, sans-serif; font-size: 14px; line-height: 21px;">&nbsp; &nbsp;（3）完成一个小练习：找到角色的坐标，通过坐标定位角色 -10 ’</div><ul style="word-wrap: break-word; margin: 0px 0px 0px 14px; padding: 0px; color: rgb(0, 0, 0); font-family: Tahoma, 'Microsoft Yahei', SimSun, sans-serif; font-size: 14px; line-height: 21px;">

<li> 新知识点：广播&nbsp;&nbsp;-10’<br/></li>

<div align="left" style="word-wrap: break-word; color: rgb(0, 0, 0); font-family: Tahoma, 'Microsoft Yahei', SimSun, sans-serif; font-size: 14px; line-height: 21px;">&nbsp; &nbsp;（1）广播的作用： 让角色收到你的消息&nbsp; &nbsp;-5’</div><div align="left" style="word-wrap: break-word; color: rgb(0, 0, 0); font-family: Tahoma, 'Microsoft Yahei', SimSun, sans-serif; font-size: 14px; line-height: 21px;">&nbsp; &nbsp;&nbsp;&nbsp;(2)&nbsp;&nbsp;演示： 发送广播 和接收广播&nbsp;&nbsp;-5‘</div><div align="left" style="word-wrap: break-word; color: rgb(0, 0, 0); font-family: Tahoma, 'Microsoft Yahei', SimSun, sans-serif; font-size: 14px; line-height: 21px;">&nbsp;&nbsp;3.课堂任务：-20’</div><div align="left" style="word-wrap: break-word; color: rgb(0, 0, 0); font-family: Tahoma, 'Microsoft Yahei', SimSun, sans-serif; font-size: 14px; line-height: 21px;">&nbsp; &nbsp;&nbsp;&nbsp;(1) 在上节课练习基础上，给角色增加发射子弹功能，按下空格键发射子弹，子弹从左往右发射，子弹接触到左右边时消失&nbsp;&nbsp;-15’</div><div align="left" style="word-wrap: break-word; color: rgb(0, 0, 0); font-family: Tahoma, 'Microsoft Yahei', SimSun, sans-serif; font-size: 14px; line-height: 21px;">&nbsp; &nbsp;（2）添加3个boss角色，boss角色被射中后消失，射中一个角色记10分&nbsp;&nbsp;-5‘</div><div align="left" style="word-wrap: break-word; color: rgb(0, 0, 0); font-family: Tahoma, 'Microsoft Yahei', SimSun, sans-serif; font-size: 14px; line-height: 21px;">&nbsp; &nbsp;（3）boss角色被射中后显示闪烁效果，闪烁3次消失 （附加，进阶）</div><div align="left" style="word-wrap: break-word; color: rgb(0, 0, 0); font-family: Tahoma, 'Microsoft Yahei', SimSun, sans-serif; font-size: 14px; line-height: 21px;">4. 课堂总结&nbsp;&nbsp;-3‘</div>