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magic 8 tutorial

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This commit is contained in:
Peli de Halleux 2016-05-09 09:45:57 -07:00
parent b33d0ba470
commit 5fcf9165ea
4 changed files with 34 additions and 14 deletions
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1
docs/lessons/magic-8.md
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@ -9,6 +9,7 @@ If (Conditionals)
## Quick Links
* [activity](/lessons/magic-8/activity)
* [tutorial](/lessons/magic-8/tutorial)
* [challenges](/lessons/magic-8/challenges)
* [quiz](/lessons/magic-8/quiz)
* [quiz answers](/lessons/magic-8/quiz-answers)

18
docs/lessons/magic-8/activity.md
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@ -1,8 +1,6 @@
# magic 8 activity
A fortune teller game on the micro:bit
Welcome! This tutorial will help you create a magic 8 ball on the micro:bit. Let's get started!
Welcome! This activity will help you create a magic 8 ball on the micro:bit. Let's get started!
Show a string to instruct the user how to play Magic 8! The magic 8 ball can only answer true or false questions.
@ -32,16 +30,13 @@ input.onGesture(Gesture.Shake, () => {
Create a variable of type number called **randomNumber**. Set **randomNumber** to a random number with a limit of 2. Remember the random function in the math library, picks a random number from 0 to the limit, but not including the limit unless it is 0.
```blocks
basic.showString("ASK A QUESTION")
basic.showNumber(8)
input.onGesture(Gesture.Shake, () => {
basic.clearScreen()
let randomNumber = Math.random(2)
let randomNumber = Math.random(3)
});
```
Create an if statement for the condition `if randomNumber = 2`. If **randomNumber** is 2, display the string 'Yes'
@ -52,7 +47,7 @@ basic.showString("ASK A QUESTION")
basic.showNumber(8)
input.onGesture(Gesture.Shake, () => {
basic.clearScreen();
let randomNumber = Math.random(2);
let randomNumber = Math.random(3);
if (randomNumber == 2) {
basic.showString("YES");
}
@ -68,7 +63,7 @@ basic.showString("ASK A QUESTION")
basic.showNumber(8)
input.onGesture(Gesture.Shake, () => {
basic.clearScreen()
let randomNumber = Math.random(2)
let randomNumber = Math.random(3)
if (randomNumber == 2) {
basic.showString("YES")
} else if (randomNumber == 1) {
@ -84,7 +79,7 @@ basic.showString("ASK A QUESTION")
basic.showNumber(8)
input.onGesture(Gesture.Shake, () => {
basic.clearScreen()
let randomNumber = Math.random(2)
let randomNumber = Math.random(3)
if (randomNumber == 2) {
basic.showString("YES")
} else if (randomNumber == 1) {
@ -106,14 +101,13 @@ basic.showString("ASK A QUESTION")
basic.showNumber(8)
input.onGesture(Gesture.Shake, () => {
basic.clearScreen()
let randomNumber = Math.random(2)
let randomNumber = Math.random(3)
if (randomNumber == 2) {
basic.showString("YES")
} else if (randomNumber == 1) {
basic.showString("NO")
} else {
basic.showString("I DON'T KNOW")
}
basic.showNumber(8)

27
docs/lessons/magic-8/tutorial.md Normal file
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@ -0,0 +1,27 @@
# Magic 8 tutorial
Show a string to instruct the user how to play Magic 8! The magic 8 ball can only answer questions with "YES", "NO", or "MAYBE"...
### Rebuild the game!
The blocks have been shuffled! Put them back together so that...
* show "ASK A QUESTION" on the screen
* when the micro:bit is shaken,
* generate a random number between 0 and 2.
* if the number is `2`, show "YES"
* if the number is `1`, show "NO"
* otherwise show "MAYBE"...
```shuffle
basic.showString("ASK A QUESTION")
input.onGesture(Gesture.Shake, () => {
let randomNumber = Math.random(3)
if (randomNumber == 2) {
basic.showString("YES")
} else if (randomNumber == 1) {
basic.showString("NO")
} else {
basic.showString("MAYBE")
}
})
```

2
docs/lessons/magic-logo/activity.md
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@ -30,8 +30,6 @@ input.onGesture(Gesture.LogoUp, () => {
. . # . .
`)
})
```
Run your code and try to turn around the micro:bit to see the **logo up** event in action!