micro:bit Space Invaders 2

micro:bit Space Invaders 2

# https://makecode.microbit.org/31667-75115-87037-56723
let score = 0
let delay = 0
let highscore = 0
let onscreen = 0
let heart: Image = null
let lives = 0
let clearscreen: Image = null
let ship: Image = null
input.onButtonPressed(Button.A, () => {
    if (onscreen == 1) {
        game.addScore(1)
        basic.showString("SUCCESS!")
        basic.pause(500)
    } else {
        lives += -1
        clearscreen.showImage(0)
        heart.showImage(0)
        basic.pause(500)
        clearscreen.showImage(0)
    }
})
ship = images.createImage(`
    . . # . .
    . # # # .
    # # # # #
    # # # # #
    . # . # .
    `)
clearscreen = images.createImage(`
    . . . . .
    . . . . .
    . . . . .
    . . . . .
    . . . . .
    `)
heart = images.createImage(`
    . . . . .
    . # . # .
    # # # # #
    . # # # .
    . . # . .
    `)
basic.showString("Space Invaders!")
ship.showImage(0)
basic.pause(100)
clearscreen.showImage(0)
highscore = 0
while (true) {
    basic.showString("READY?")
    basic.pause(100)
    game.setScore(0)
    lives = 3
    for (let i = 0; i <= 100 - 1; i++) {
        delay = Math.random(501)
        onscreen = 1
        ship.showImage(0)
        basic.pause(delay)
        onscreen = 0
        clearscreen.showImage(0)
        basic.pause(1000)
        if (lives == 0) {
            basic.showString("DEAD!")
            i = 100
        }
    }
    if (game.score() > highscore) {
        highscore = game.score()
        basic.showString("HIGH SCORE!")
        basic.pause(500)
        if (score > 99) {
            serial.writeLine("flag{b00m!}")
        }
    } else {
        basic.showString("GAME OVER!")
        basic.pause(500)
        score = game.score()
        basic.showNumber(score)
        basic.pause(500)
    }
}