134 lines
2.8 KiB
Markdown
134 lines
2.8 KiB
Markdown
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# rock paper scissors challenges
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Coding challenges for rock paper scissors.
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## Before we get started
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Complete the following [guided activity](/microbit/lessons/rock-paper-scissors/activity) , your code should look like this:
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```blocks
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input.onGesture(Gesture.Shake, () => {
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let img = Math.random(3)
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if (img == 2) {
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basic.showLeds(`
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# # # # #
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# . . . #
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# . . . #
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# . . . #
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# # # # #
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`)
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} else if (img == 1) {
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basic.showLeds(`
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. . . . .
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. # # # .
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. # # # .
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. # # # .
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. . . . .
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`)
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} else {
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basic.showLeds(`
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. . . # #
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# # . # .
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. . # . .
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# # . # .
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. . . # #
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`)
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}
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})
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```
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### Challenge 1
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When the A button is pressed, increment the score by 1. You can select Game drawer then add change score by 1.
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```blocks
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input.onGesture(Gesture.Shake, () => {
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let img = Math.random(2)
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if (img == 2) {
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basic.showLeds(`
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# # # # #
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# . . . #
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# . . . #
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# . . . #
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# # # # #
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`)
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} else if (img == 1) {
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basic.showLeds(`
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. . . . .
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. # # # .
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. # # # .
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. # # # .
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. . . . .
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`)
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} else {
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basic.showLeds(`
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. . . # #
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# # . # .
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. . # . .
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# # . # .
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. . . # #
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`)
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}
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})
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input.onButtonPressed(Button.A, () => {
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game.addScore(1)
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})
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```
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* Click *run* to execute your code in the simulator
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### Challenge 2
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After incrementing the score, display the total number of wins you have.
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```blocks
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input.onGesture(Gesture.Shake, () => {
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let img = Math.random(2)
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if (img == 2) {
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basic.showLeds(`
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# # # # #
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# . . . #
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# . . . #
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# . . . #
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# # # # #
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`)
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} else if (img == 1) {
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basic.showLeds(`
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. . . . .
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. # # # .
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. # # # .
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. # # # .
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. . . . .
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`)
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} else {
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basic.showLeds(`
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. . . # #
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# # . # .
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. . # . .
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# # . # .
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. . . # #
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`)
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}
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})
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input.onButtonPressed(Button.A, () => {
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game.addScore(1)
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basic.showString("WINS:")
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basic.showNumber(game.score())
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})
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```
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* Run and compile the code to see if it works as expected.
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### Challenge 3
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You have successfully tracked and displayed the number of wins on the micro:bit! However, what about losses? Use the Game drawer to change score by -1 when button `B` is pressed.
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* Run and compile the code to see if it works as expected.
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