main.ts

namespace SpriteKind {
    export const Gas = SpriteKind.create()
}
controller.A.onEvent(ControllerButtonEvent.Pressed, function () {
    projectile = sprites.createProjectileFromSprite(assets.image`projectilepizza`, mySprite, 0, -100)
    projectile.startEffect(effects.ashes)
})
sprites.onOverlap(SpriteKind.Enemy, SpriteKind.Projectile, function (sprite, otherSprite) {
    sprite.destroy(effects.blizzard, 500)
    otherSprite.destroy()
})
sprites.onOverlap(SpriteKind.Player, SpriteKind.Gas, function (sprite, otherSprite) {
    statusbar.value = 100
    otherSprite.destroy()
})
statusbars.onZero(StatusBarKind.Energy, function (status) {
    game.over(false)
})
sprites.onOverlap(SpriteKind.Player, SpriteKind.Enemy, function (sprite, otherSprite) {
    info.changeLifeBy(-1)
    otherSprite.destroy(effects.disintegrate, 500)
})
let myEnemy: Sprite = null
let myFuel: Sprite = null
let projectile: Sprite = null
let statusbar: StatusBarSprite = null
let mySprite: Sprite = null
effects.starField.startScreenEffect()
mySprite = sprites.create(assets.image`spaceship`, SpriteKind.Player)
controller.moveSprite(mySprite)
mySprite.setStayInScreen(true)
statusbar = statusbars.create(20, 4, StatusBarKind.Energy)
statusbar.attachToSprite(mySprite, -25, 2)
game.onUpdateInterval(5000, function () {
    myFuel = sprites.createProjectileFromSide(assets.image`fuel`, 0, 50)
    myFuel.x = randint(5, 155)
    myFuel.setKind(SpriteKind.Gas)
})
game.onUpdateInterval(1000, function () {
    myEnemy = sprites.createProjectileFromSide(assets.image`enemy`, 0, 70)
    myEnemy.x = randint(5, 155)
    myEnemy.setKind(SpriteKind.Enemy)
})
game.onUpdateInterval(300, function () {
    statusbar.value += -1
})