scratch - college of...
TRANSCRIPT
![Page 2: Scratch - College of Engineeringweb.engr.oregonstate.edu/~mjb/scratch/scratchintro.simpler.1pp.pdfmjb –March 21, 2020 Computer Graphics 1 Scratch ! Mike Bailey mjb@cs.oregonstate.edu](https://reader034.vdocuments.net/reader034/viewer/2022052408/5f0830af7e708231d420c95e/html5/thumbnails/2.jpg)
mjb – March 21, 2020Computer Graphics
2How Can You Get Scratch 3.0 for Free?
Use the web browser-based version of Scratch 3.0 at:
https://scratch.mit.edu/projects/editor
You can also get an installable version of Scratch 3.0 at:
https://scratch.mit.edu/download
Thanks to the Massachusetts Institute of Technology for developing Scratch and keeping it free!
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mjb – March 21, 2020Computer Graphics
3You, As A Computer To Be Programmed
In this exercise, you are a computer and I am the programmer.
I will give you instructions and you carry them out.
If I tell you to do it, then you do it.
If I don’t tell you to do it, then don’t do it.
Ready? Set. Go.
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mjb – March 21, 2020Computer Graphics
4
Stand UpRaise Your Left Hand
Put Your Right Hand on Top of Your HeadTurn Around One Circle
Put Your Hands DownSit DownSmile !
Meow Like a CatCount to 2
Repeat 3 Times
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mjb – March 21, 2020Computer Graphics
5What Kind of People Need to Tell the Computer Where to Put Things?
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mjb – March 21, 2020Computer Graphics
6
X
YLeft-Right is called “X”
Bottom-Top is called “Y”
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mjb – March 21, 2020Computer Graphics
7
X
Y
100 200
100
X=200, Y=100
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mjb – March 21, 2020Computer Graphics
8
X
Y
100 200
100
X=?, Y=?
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mjb – March 21, 2020Computer Graphics
9
X
Y
-100-200
-100
X=-200, Y=-100
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mjb – March 21, 2020Computer Graphics
10
X
Y
100 200
100
-100-200
-100
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mjb – March 21, 2020Computer Graphics
11Scratch Screen Layout
Script Area
“Stage” (i.e., the scene)
Commands in Categories
Sprite Manipulation
The Sprite“Locker Room”
Run your Program!
New Background Selection
New Sprite Selection
Code, Costumes, Sound Tabs
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mjb – March 21, 2020Computer Graphics
12Drag-and-Drop Puzzle Pieces
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mjb – March 21, 2020Computer Graphics
13Drag-and-Drop Puzzle Pieces
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mjb – March 21, 2020Computer Graphics
14Make an Animation of Your Own!
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mjb – March 21, 2020Computer Graphics
15Make an Animation of Your Own!
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mjb – March 21, 2020Computer Graphics
16Bring in More Actors!
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mjb – March 21, 2020Computer Graphics
17Bring in a Background!
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mjb – March 21, 2020Computer Graphics
18Bring in More Sounds!
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mjb – March 21, 2020Computer Graphics
19Play More Sounds!
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mjb – March 21, 2020Computer Graphics
20Effects!
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mjb – March 21, 2020Computer Graphics
21Effects!
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mjb – March 21, 2020Computer Graphics
22Seven Different Effect Types!