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unity-space-invaders

Game made with Unity in a exam context.

Game overview

plot

This game is a replica of the famous Space Invaders game. In this game, you control a spaceship able to blast lasers, nothing less. It is quite convenient because the space is filled with other beings, and lasers are a good way to deal with 'em. Be careful thought, some lads won't be happy with you firing at them and they will backfire ! The more ships you destroy, the more points you earn ( but think about all the lives you selfishly took you monster ! )

Game mechanics

plot

The gas pedal of your ship is broken, allowing your ship only to move right and left. A press on the fire button will shoot a laser in front of the ship, destroying the first target on its way. Enemies will appear on screen, and as they are social, always with friends, never alone. The last enemy of the wave will drop a pill into space. Whether it contains a bonus for your ship or his last words about how he and his friends got murdered by a destruction-mad space gunner, it's better to collect it.

UML

GameManager :

Player : GameObject
EnemyWave : GameObject
lives : Integer to store the remainings lives of the player
score : Integer to store the score of the player

Player :

speed : Float
laser : GameObject that the ship can Instantiate
power : String which specify the power type the player currently has, none if no active power
Fire() : Instanciate a laser
Move() : Move left or right according to the pressed key
Power() : If the player has a power enabled, pressing the right key will use it.

EnemyBasic :

Fire(): Fire a straight forward bullet
OnTriggerEnter2D: Destroy and add points
Move()

EnemyBeam :

Fire() : Fire a laser all longer than the others
Move()

EnemyWave : Each wave, 5 enemies are created. It can be any type of Enemy listed in the enemiesTypes array.

List<GameObject> enemies : Array of Enemy
List<GameObject> enemiesTypes: All kind of enemy
dropX, dropY: Coordinates of the last enemy in the wave, needed to drop the bonus at the right place.
SelectWaveType() : Select the type of wave.
InstanciateBonus() : Drop a pill when the last enemy dies

BonusManager : The bonus manager is instantiated when the last enemy of a wave is killed. It has a reference to every bonus type and will randomly select one of the bonuses and make it spawn.

speed : Speed of the falling bonus
List<GameObject> types : 

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Game made with Unity in a exam context.

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