/// <summary>
/// Constructs a new projectile.
/// </summary>
public Projectile(ParticleSystem explosionParticles,
ParticleSystem explosionSmokeParticles,
ParticleSystem projectileTrailParticles)
{
this.explosionParticles = explosionParticles;
this.explosionSmokeParticles = explosionSmokeParticles;
// Start at the origin, firing in a random (but roughly upward) direction.
position = Vector3.Zero;
velocity.X = (float)(random.NextDouble() - 0.5) * sidewaysVelocityRange;
velocity.Y = (float)(random.NextDouble() + 0.5) * verticalVelocityRange;
velocity.Z = (float)(random.NextDouble() - 0.5) * sidewaysVelocityRange;
// Use the particle emitter helper to output our trail particles.
trailEmitter = new ParticleEmitter(projectileTrailParticles,
trailParticlesPerSecond, position);
}
/*
* Resests the game objects and some variables to the starting configurations.
* Much of this is very similar to the LoadContent method.
*/
private void ResetGame()
{
//Settings to reset to start a new game
retrievedFuelCells = 0;
menuScreenCounter = 0;
stepCounter = 0;
playerHealth = GameConstants.PlayerStartHealth;
//Create new fuelcells, turrets and missiles
fuelCells = new FuelCell[numFuelCells];
turrets = new Turret[numTurrets];
readyMissiles = new List<Missile>();
firedMissiles = new List<Missile>();
//Load the fuelcells, turrets and missiles in the same way they were loaded in LoadContent
for (int i = 0; i < numFuelCells; i++)
{
Vector3 axis = new Vector3((float)(random.NextDouble() - 0.5), (float)(random.NextDouble() - 0.5), (float)(random.NextDouble() - 0.5));
float angle = (float)random.NextDouble() * 6.242f;
fuelCells[i] = new FuelCell();
fuelCells[i].LoadContent(Content, "Models/fuelcell", axis, angle, planet.BoundingSphere);
}
for (int i = 0; i < numTurrets; i++)
{
Vector3 axis = new Vector3((float)(random.NextDouble() - 0.5), (float)(random.NextDouble() - 0.5), (float)(random.NextDouble() - 0.5));
float angle = (float)random.NextDouble() * 6.242f;
turrets[i] = new Turret();
turrets[i].LoadContent(Content, "Models/turret", axis, angle, planet.BoundingSphere);
}
for (int i = 0; i < GameConstants.NumMissiles; i++)
{
readyMissiles.Add(new Missile());
readyMissiles[i].LoadContent(Content, "Models/missile", spaceship);
}
explosions.Clear(); //Remove all occuring explosions
//Initial spaceship starting location and rotation
spaceship.Position = new Vector3(0, 300, 1000);
spaceship.Rotation = Quaternion.Identity;
exhaustParticleEmitter = new ParticleEmitter(fireParticles, 1000, spaceship.Position);
}
Vector3 position; //The explosions position in space
#endregion Fields
#region Constructors
/// <summary>
/// Creates a new game explosion.
/// </summary>
/// <param name="particleSystem">The particle system to emit particles with</param>
/// <param name="position">The position to place the particle emitter</param>
public Explosion(ParticleSystem particleSystem, Vector3 position)
{
Age = 0;
this.position = position;
explosionParticleEmitter = new ParticleEmitter(particleSystem, 1000, position);
}
/// <summary>
/// Load all game objects with their models, as well ad initialising sounds and other
/// entities used in the game. Sets up spaceship starting location.
/// </summary>
protected override void LoadContent()
{
//Create a new SpriteBatch, which can be used to draw 2D graphics.
spriteBatch = new SpriteBatch(GraphicsDevice);
//Create a graphics device variable
device = graphics.GraphicsDevice;
//Load content of misc game entities
statsFont = Content.Load<SpriteFont>("Fonts/stats_font");
skyboxEffect = Content.Load<Effect>("Effects/skybox_effect");
splashScreenTexture = Content.Load<Texture2D> ("Images/splash_screen");
//Load object models
spaceship.LoadContent(Content, "Models/spaceship");
planet.LoadContent(Content, "Models/planet");
boundingSphere.Model = Content.Load<Model>("Models/sphere");
skyboxModel = LoadSkyboxModel("Models/skybox", out skyboxTextures);
//Iteratively load content for fuelcells, also generate the random seeds which will be used in calculating positions and rotation
for (int i = 0; i < numFuelCells; i++)
{
Vector3 axis = new Vector3((float)(random.NextDouble() - 0.5), (float)(random.NextDouble() - 0.5), (float)(random.NextDouble() - 0.5));
float angle = (float)random.NextDouble() * 6.242f;
fuelCells[i] = new FuelCell();
fuelCells[i].LoadContent(Content, "Models/fuelcell", axis, angle, planet.BoundingSphere);
}
//turrets loaded in the same was as fuelcells
for (int i = 0; i < numTurrets; i++)
{
Vector3 axis = new Vector3((float)(random.NextDouble() - 0.5), (float)(random.NextDouble() - 0.5), (float)(random.NextDouble() - 0.5));
float angle = (float)random.NextDouble() * 6.242f;
turrets[i] = new Turret();
turrets[i].LoadContent(Content, "Models/turret", axis, angle, planet.BoundingSphere);
}
//Populate the ready missile array with all the missiles
for (int i = 0; i < GameConstants.NumMissiles; i++)
{
readyMissiles.Add(new Missile());
readyMissiles[i].LoadContent(Content, "Models/missile", spaceship);
}
//Load sounds, and start playing music
explosionSound = Content.Load<SoundEffect>("Sound/explosion");
fuelCellPickupSound = Content.Load<SoundEffect>("Sound/fuelcell_pickup");
music = Content.Load<Song>("Sound/music");
MediaPlayer.Play(music);
//Initial spaceship starting location and rotation
spaceship.Position = new Vector3(0, 300, 1000);
spaceship.Rotation = Quaternion.Identity;
exhaustParticleEmitter = new ParticleEmitter(fireParticles, 1000, spaceship.Position);
}
