pxt-calliope/docs/lessons/catch-the-egg-game/challenge.md
2018-11-05 09:07:50 -08:00

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# catch the egg game challenge
## Rebuild the game!
The blocks have been shuffled! Put them back together so that...
* an egg LED falls from the top of the screen, row by row.
* a basket LED is on the bottom row and can be moved by using the accelerometer `X` data.
* if the egg LED reaches the last row, reset the egg position to the first row.
```blocks
let basketX = 2
let eggX = 2
let eggY = 0
let accX = input.acceleration(Dimension.X)
basic.forever(function () {
basic.pause(300)
eggY += 1
led.plot(eggX, eggY)
basic.pause(300)
led.unplot(basketX, 4)
led.unplot(eggX, eggY)
})
basketX = 2 + Math.min(2, Math.max(-2, accX / 200))
if (eggY > 4) {
eggY = -1
eggX = Math.randomRange(0, 4)
}
led.plot(basketX, 4)
```