资源简介 (共19张PPT)深藏不露的音乐家01查看声音模块Background and significance of topic selection03Research methods and processes02测试声音模块Display and application of research results04学习延伸The conclusion of this study目 录有趣的钢琴弹奏同学们,请观看下面两个视频,比比看,哪一个视频更好?为什么呢?拥有声音的视频更加生动形象,更具表现力。查看声音模块01Background and significance of topic selection.The graduation defense is a one – to - one game, and you need to show a strong gas field alone on the stage to withstand the pressure of at least five judges from the Defense Committee.请同学们自主阅读查看声音模块指令解析音调:指的是播放声音的频率。将音调设为XX:XX可以是负数也可以是正数,负数的时候声音变慢,正数的时候声音变快,默认是0。将音调音效增加XX:XX同上。指令解析音量指的就是我们平常说的声音的大小。将音量设为XX:XX取值范围(0,100),为0的时候就是静音,100的时候声音最大。默认参数100%为原始音量的大小。将音量增加XX:XX取值范围(-100,100),为负数的时候音量慢慢减小,为正数的时候音量慢慢增加。第三个音量:这是一个变量,可以读取显示当前声音的大小。测试声音模块02Background and significance of topic selection.The graduation defense is a one – to - one game, and you need to show a strong gas field alone on the stage to withstand the pressure of at least five judges from the Defense Committee.重点分析这两个指令有什么区别呢?脚本 运行左边的脚本,勾选出正确的选项播放声音并同时移动角色播放完声音后再移动角色播放声音并同时移动角色播放完声音后再移动角色声音音调:变高 正常 变低先将音量设为30%,播放的音量:变大 不变 变小“音量”勾选后,舞台上会显示:角色当前音量的大小有趣的钢琴弹奏03Background and significance of topic selection.The graduation defense is a one – to - one game, and you need to show a strong gas field alone on the stage to withstand the pressure of at least five judges from the Defense Committee.我是小小钢琴演奏家小猫的上下左右移动当按下数字1换成造型“播放”播放声音等待时间切换到原本造型脚本分析脚本分析、自测脚本复制同学们请思考,怎么实现代码相似的多个脚本的编辑?问卷星调查https://tp.wjx.top/vm/Pq1jniT.aspx学习延伸:课堂小结+课后延伸04请同学们在课后思考,在scratch的外观模块中,有一个颜色特效积木,你能应用这个积木,在每次按下一个键的时候,让背景变换一次颜色吗?Background and significance of topic selection.The graduation defense is a one – to - one game, and you need to show a strong gas field alone on the stage to withstand the pressure of at least five judges from the Defense Committee.同学们下节课再见 展开更多...... 收起↑ 资源预览