micro:bit Space Invaders

micro:bit Space Invaders

# https://makecode.microbit.org/45205-27183-13795-15925
let score = 0
let delay = 0
let highscore = 0
let onscreen = 0
let clearscreeen: Image = null
let ship: Image = null
input.onButtonPressed(Button.A, () => {
    if (onscreen == 1) {
        game.addScore(1)
        basic.showString("SUCCESS!")
        basic.pause(500)
    }
})
ship = images.createImage(`
    . . # . .
    . # # # .
    # # # # #
    # # # # #
    . # . # .
    `)
clearscreeen = images.createImage(`
    . . . . .
    . . . . .
    . . . . .
    . . . . .
    . . . . .
    `)
basic.showString("Space Invaders!")
ship.showImage(0)
basic.pause(100)
clearscreeen.showImage(0)
highscore = 0
while (true) {
    basic.showString("READY?")
    basic.pause(100)
    game.setScore(0)
    for (let i = 0; i < 5; i++) {
        delay = Math.random(501)
        onscreen = 1
        ship.showImage(0)
        basic.pause(delay)
        onscreen = 0
        clearscreeen.showImage(0)
        basic.pause(1000)
    }
    if (game.score() > highscore) {
        highscore = game.score()
        basic.showString("HIGH SCORE!")
        basic.pause(500)
    } else {
        basic.showString("GAME OVER!")
        basic.pause(500)
        score = game.score()
        basic.showNumber(score)
        basic.pause(500)
    }
}