It's time to add our game's first special weapons: explosive bombs that bounce off the edges of our screen, explode when shot, and remove a large portion of enemy invaders on touch.

This video's chapters include:

• Create bomb class

• Render moving bombs

• Have bombs bounce off edges

• Add projectile-to-bomb collision detection

• Create explosion animation

• Add bomb-to-invader collision detection

• Remove bombs from scene

• Spawn new bombs over time