FINALLY you can shoot asteroid!.. and dead.

src/classes/Asteroid.ts

@@ -1,8 +1,11 @@
 import Phaser from 'phaser'
+import Bullet from '../classes/Bullet'
 
 export default class Asteroid extends Phaser.Physics.Arcade.Sprite {
-  static unbornAge = 1000 // asteroid can't kill player
-                          // if younger than 1000ms
+  // asteroid can't kill player
+  // if younger than unbornAge in ms
+  static unbornAge = 1000
+
   readonly wrapMargin = 30
 
   age = 0
@@ -30,11 +33,20 @@ export default class Asteroid extends Phaser.Physics.Arcade.Sprite {
 
   preUpdate(time: number, delta: number) {
     super.preUpdate(time, delta)
-    
+
     this.scene.physics.world.wrap(this, this.scale * this.wrapMargin)
     this.age += delta
   }
 
+  gotHit(me, bullet) {
+    if (!(bullet instanceof Bullet)) return
+    if (bullet.active == false) return
+
+    me.destroy() // TODO: use objects pool
+    bullet.setActive(false)
+    bullet.setVisible(false)
+  }
+
   private setRandomShade() {
     const color = new Phaser.Display.Color()
     color.randomGray(0xa0) //the darkest possible dye is 0xa0a0a0

src/classes/Ship.ts

@@ -1,6 +1,7 @@
 import Phaser from 'phaser'
 import Bullets from './Bullets'
 import Thruster from './Thruster'
+import Asteroid from './Asteroid'
 
 export default class Ship extends Phaser.Physics.Arcade.Sprite {
   readonly acceleration = 5
@@ -66,4 +67,13 @@ export default class Ship extends Phaser.Physics.Arcade.Sprite {
     this.scene.physics.world.wrap(this, this.wrapMargin)
     this.thruster.update(time, delta)
   }
+
+  gotHit(_, asteroid) {
+    if (!(asteroid instanceof Asteroid)) return
+
+    if (asteroid.age > Asteroid.unbornAge) {
+      console.log("%cU ded", "color:red")
+      this.scene.cameras.main.shake(100, 0.02)
+    }
+  }
 }