Scratch and Python 2018 - Lecture 2
===

## Animation

### [Build-A-Band](https://scratch.mit.edu/projects/115908616/)
+ [The official studio](https://scratch.mit.edu/studios/475523/)
+ Loop
+ Event
+ Sound
+ Drum and instruments
+ Concurrency
+ Observation: "When key pressed" versus "When this sprite clicked"
+ See this [project](https://scratch.mit.edu/projects/115950064/)
+ Race condition
### [Orange Square, Purple Circle](https://scratch.mit.edu/projects/115908969/)
+ [The official studio](https://scratch.mit.edu/studios/475527/)
+ `bitmap` versus `vector`
+ Sprite versus costume
+ Effects
### [It's Alive](https://scratch.mit.edu/projects/115909525/)
+ [The official studio](https://scratch.mit.edu/studios/475529/)
+ Broadcast
### [Music Video](https://scratch.mit.edu/projects/115909681/)
+ [The official studio](https://scratch.mit.edu/studios/475517/)

### [補充教材（變數／清單／廣播）](https://hackmd.io/IYVgHAxmBGECwFoCMw4CYHuEh0Ds0ApgtkgJwDMZaADMDSGkA===?view)

### [Debug it!](https://scratch.mit.edu/studios/475539/)
+ [Debug 2.1](https://scratch.mit.edu/projects/23266426/): 希望按下 Scratch Cat 後他會隨鼓聲跳舞，但他沒跳，該怎麼辦？
+ [Debug 2.2](https://scratch.mit.edu/projects/24268476/): 希望 Nano 被碰到的時候Pico也要說話，該怎麼辦？
+ [Debug 2.3](https://scratch.mit.edu/projects/24268506/): 希望畫個笑臉，目前有一些地方多畫了，該怎麼辦？
+ [Debug 2.4](https://scratch.mit.edu/projects/23267140/): 希望花開完了要停下來，該怎麼辦？
+ [Debug 2.5](https://scratch.mit.edu/projects/23267245/): 希望生日快樂歌唱完才提示可以吹蠟燭了。

## Stories

### [Characters](https://scratch.mit.edu/projects/115946864/)
+ Implement small jumps, big jumps, and custom jumps
### [Conversation](https://scratch.mit.edu/projects/10015800/)
+ Modification: Use broadcast to trigger the conversation
### [Scene](https://scratch.mit.edu/projects/115947152/)
+ Press the left arrow to move to the left
+ Press the right arrow to move to the right
+ Press the space bar to jump
### [Debug it!](https://scratch.mit.edu/studios/475554/)
+ [Debug 3.1](https://scratch.mit.edu/projects/24269007/): Scratch Cat 教 Gobo 喵喵叫，可是輪到 Gobo 練習時，他沒有喵喵叫，該怎麼辦？
+ [Debug 3.2](https://scratch.mit.edu/projects/24269046/): 想要設計成輸入一個數字讓 Scratch Cat 數，但他現在每次都是數到 10 ，該怎麼辦？
+ [Debug 3.3](https://scratch.mit.edu/projects/24269070/): Scratch Cat 正在幫朋友點名，但是所有事件都在按下綠旗後同時發生了，該怎麼辦？
+ [Debug 3.4](https://scratch.mit.edu/projects/24269097/): Scratch Cat 喊 Jump 的時候， Gobo 應該要跳動，但是沒有，該怎麼辦？
+ [Debug 3.5](https://scratch.mit.edu/projects/24269131/): 恐龍應該只在禮堂出現並跳舞，可是現在恐龍出現在所有場景，並且不會動，該怎麼辦？
### Built-in event blocks do "more"
+ [Example](https://scratch.mit.edu/projects/116182454/)
+ Delay
+ Block
+ Cancel
+ Alternative
+ [Infinite Loop](https://scratch.mit.edu/projects/116182906/)
+ [Broadcast](https://scratch.mit.edu/projects/116183365): Define your own event!
### Task:
+ Modify [this project](https://scratch.mit.edu/projects/115947152/) to make Scratch Cat jumping in Mario's style
+ [Reference](https://wiki.scratch.mit.edu/wiki/When_()_Key_Pressed_(block))
+ Bonus: Rockman X's style
+ Able to dash
+ Jump once more

## Game

### [Maze](https://scratch.mit.edu/projects/11414041/)
### [Pong](https://scratch.mit.edu/projects/10128515/)
### [Scrolling](https://scratch.mit.edu/projects/22162012/)
### [Fish Chomp](https://scratch.mit.edu/projects/10859244/)
+ Task: Display the score
+ Clone
+ 10 small fish
+ Task: 5 small fish in different color
+ Hint: Use color effect
+ You may only use one sprite for small fish

### [補充教材（分身）](https://hackmd.io/GwdgpgRgTAjAxjAtFAhigrIgLOqXEAcRBiAZlBOpSgAwSQCcQA==)

### Puzzles
+ P1: 當你按下 B 時，角色變大一點。當你按下 S 時，角色變小一點。
+ P2: 當角色透過網路攝影機看到的畫面變化很大時，換個顏色。
+ P3: 當角色移動到畫面上方 25% 的區域，會說他喜歡上面。
+ P4: 當角色碰到藍色時，發出一個高音。當角色碰到紅色時，發出一個低音。
+ P5: 當角色碰到另外一個角色時，其中一個說「不好意思」。
+ P6: 當貓角色靠近狗角色時，狗跑離貓。
+ P7: 當滑鼠點擊一下時，在那邊畫朵花。
+ P8: 當你點擊一個角色時，其他的角色就跳舞。
+ P9: 當你移動滑鼠時，角色追著滑鼠跑，但不可以碰到滑鼠。
### [Debug It!](https://scratch.mit.edu/studios/475634/)
+ [Debug 4.1](https://scratch.mit.edu/projects/24271192/): Scratch Cat 只能撿起筆記型電腦到 Inventory ，請修改程式讓他可以撿起其他東西。
+ [Debug 4.2](https://scratch.mit.edu/projects/24271303/): 請改到讓 Scratch Cat 碰到黃色 Gobo 時加 10 分，碰到粉紅 Gobo 時減 10 分。
+ [Debug 4.3](https://scratch.mit.edu/projects/24271446/): 請修好這個猜數字遊戲，讓 Scratch Cat 不要在那邊胡說八道。
+ [Debug 4.4](https://scratch.mit.edu/projects/24271475/): 請讓球打到 Scratch Cat 一次時，# of hits 只增加 1。
+ 額外要求：讓畫面上有 10 顆球在飛。
+ Hint: Clone, 分身。
+ [Debug 4.5](https://scratch.mit.edu/projects/24271560/): 請修改成不會穿過綠色怪物的版本。