Blasteroids

• init
• quitEventDetected
• playerWasHit
• drawAsteroids
• drawCannonBall
• main loop

• movePlayer
• handleKey

Functions

init

quitEventDetected

• Return True when the user closes the window
• "Fire" the cannonball when the player presses the space key
• Rotate the playerImage (ship) to face the mouse, when the mouse moves

playerWasHit

• Return True when the player sprite collides with an asteroid sprite
• Play a sound "bangLarge.wav" when the player collides with an asteroid sprite
• Display the text: Asteroid Collision Detected when the player collides with an asteroid sprite

drawAsteroids

• Move and rotate the asteroids
• If the asteroid moves off the screen, have it reappear on the "other" side

drawCannonBall

• Move the cannonBall on the surface
• If the cannonBall hits an asteroid, remove the asteroid and play the .wav file: "bangLarge.wav"
• If all the asteroids are destroyed display the text: "Level Cleared"

main loop

• Initialize variables by calling the init function
• End the program if the pygame window close,quit event is detected
• End the program if all asteroids are destroyed
• End the program if the player runs into an asteroid
• Clear the surface before drawing, 100 times a second
• Draw all asteroids, cannonBalls, and the player