C++ SDL2 Asteroids Game

Creating a custom Asteroids game using SDL2

GIF

UPDATE 11 (19/11/20)

• ADDED collectable powerups first pass (sheild regen) - items pulse, move through space and have a limited lifetime for collection.
• ADDED many visual improvements - visual indicators for collecting items and when damaged
• FEATURE blackholes now have a transition enlarge phase when entered - also items get destroyed when entering (more todo)
• ADDED smooth sheild bar animation upon increase/decrease.
• NEW and additional SOUNDS
• NEW background image
• code cleanup

UPDATE 10 (18/9/20)

• ADDED StateMachine (Full Code structure change) - easier editing game states going forward
• Code tidy, more forward declarations. Less #includes (removed unused/ not needed)

UPDATE 9 (22/8/20)

• ADDED particles upon destroying asteroids (velocity and direction dependant on asteroids)
• ADDED thrust particles
• CHANGED / lowered overall scale of game - playing area greatly increased due to this.
• CHANGED how asteroid speed and direction is calculated. No guaranteed slow asteroid created from destroying slow parent asteroid.
• ADDED sounds - courtesy of mine and my gf's talented vocal chords :)
• Min and Max asteroid speed increases per level.

UPDATE 8 (11/8/20)

• ADDED control - Hold LSHIFT or RSHIFT to limit your rotation for higher accuracy shooting.
• FIXED size bug for scoreboard on smaller resolution displays.
• ADDED initial skeleton code for powerup class system (upcoming upgrades)

UPDATE 7 (20/7/20)

• ADDED enterable Blackhole to transition to each new level. (see screenshot + playable exe).
• CODE clear up: moved various variables/ code scopes out of game update and into relevant classes.
• CODE added missed 'const' to methods and arguments.
• VISUAL addition of sheild icon next to sheild bar.
• BUG added screen ratio checks for text textures (rare circumstances meant they were rendered to big on some screens).

UPDATE 6 (17/7/20)

• ADDED sheild bar - default lose 25% each collision (if you loose all sheild and get hit = gameover).
• ADDED player sprite flashes during collision cooldown after being hit.
• CHANGED background asteroid to more basic image (no need to use standard detailed image due to smaller size).
• CHANGED Player image slightly (fill with 70% opacity red) + better resolution image.
• FIXED score rect now displays corrently as score increases (no more contraction).
• ADDED Screenshots

UPDATE 5 (16/7/20)

• NEW Game over screen (displays, score and can replay the game through the main window).
• NEW asteroid speed calculations.
• ADDED press 'i' to view collision circles. (please report any strange sizes wit ha pic and your resolution settings).
• Split asteroids inhert speed from parent asteroid when created (with offset split angle).
• New asteroid images.

UPDATE 5

• Split Asteroids velocity now calculated based on existing parent asteroid velocity + offset (more natural physics).
• Added angle acceleration (better precision when tapping).
• Default endless mode.
• Bugfix: bullet can no longer destroy more than 1 asteroid in certain circumstances).
• Code: Tidy up and fixed memory leak.

UPDATE 4

• Added ship thrust visualisation.
• Added wave system (currently 5 waves).
• HUD Display and delay when wave complete.
• Code cleanup.
• Added standalone playable game folder (exe, dll + assets included).
• New splash screen.
• Screenshot folder.

UPDATE 3

• Added high score.txt that keeps track of your highest 3 scores.
• Added Score display to screen.
• Added Spawning protection around player when spawning new asteroids.

UPDATE 2

• Game auto grabs screen resolution and uses 70% height and scales the game occordingly.
• Tidied up code and updated classes/methods to intergrate the scaling algorythmn.
• Added quick respawn of asteroids after destroying them all (Player pos checks and level progression to add).

UPDATE 1

• Added collision for bullets, player and asteroids (3sec delay before activation at level start).
• Change inplemetation of 'CreateAsteroid' function.
• Larger asteroids break into 2 smaller chunks upon bullet collision.

Initial Commit

• Ship math and controls complete.
• Bullets complete. (delay based on level to be implemented).
• Asteroid creation and math complete.

ONGOING PROJECT

Upcoming

• Collision - DONE
• Score system - intially DONE
• Add high score in game (replace console implementation)
• Wave/levels - intially DONE added blackholes (v7)
• Lives/ Shield - Sheild 1st pass DONE
• Sounds - DONE reworked (v11)
• Powerups - done (1st pass v11)
• Menus
• move entity updates and collisions into releveant child classes