MISSILE OBJECT

• Added missile pass through system
  • Missile HP starts at 1
  • Each collision with a rock will reduce the missile's HP by 1
  • when HP reaches 0, the missile is destroyed

UPGRADE SHOP

• Added pass through upgrade button
  • set cost formula to (HP x HP)x500
  • 1 HP = cost of 500
  • 2 HP = cost of 2000
  • 3 HP = cost of 4500
  • Each time the player purchases this upgrade, it increases the missile's HP by 1
  • Combined with the fire rate upgrade, this can be extremely powerful.

BASIC GAME LOOP

• Added art to "Game Over" screen
• added functionality to restart game by pressing "space" from here

KNOWN BUGS

• Game sometimes crashes when transitioning to the upgrade shop.
• Sound gets choppy right around score 7000 (no idea why just yet).
• Did I miss any?  Please let me know.

FUTURE UPDATES

• I decided to add cool tips to the upgrade shop
• When this is implemented, it will show a description of each upgrade when you hover your mouse on the corresponding button

FEEDBACK REQUEST

• Was the game fun?
• How can we improve?
• When you don't have a shield, should you only receive shield powerups?