public Explosion(Vector2 position, Vector2 velocity, SpriteSheet spriteSheet)
{
m_explosion = new SpriteAnimation(0.17f, SpriteAnimationType.Single, spriteSheet);
this.position = position;
this.velocity = velocity;
}
public ProjectileSystem(SpriteSheetCollection spriteSheets, GameSettings settings, ContentManager content)
{
m_projectiles = new List<Projectile>();
// load the projectile sprites and create an animation from them
if(spriteSheets != null) {
m_projectileSprites = spriteSheets.getSpriteSheet("Projectiles");
}
if(m_projectileSprites != null) {
m_projectileAnimations = new SpriteAnimation[4];
for(int i=0;i<4;i++) {
m_projectileAnimations[i] = new SpriteAnimation(0.18f, SpriteAnimationType.Loop);
m_projectileAnimations[i].addSprite(m_projectileSprites.getSprite(i * 2));
m_projectileAnimations[i].addSprite(m_projectileSprites.getSprite(i * 2 + 1));
}
}
// load the laser sound
if(content != null) {
m_laserSound = content.Load<SoundEffect>("Laser");
}
m_settings = settings;
}
public Projectile(Vector2 position, float rotation, SpriteAnimation projectileAnimation, SpaceShip projectileSource, GameSettings settings)
{
m_projectile = projectileAnimation;
this.position = position;
this.rotation = rotation;
m_projectileSource = projectileSource;
m_settings = settings;
// set the acceleration and velocity of the projectile
m_acceleration = 9.0f;
m_velocity.X = (float) (m_acceleration * Math.Cos(MathHelper.ToRadians(m_rotation - 90)));
m_velocity.Y = (float) (m_acceleration * Math.Sin(MathHelper.ToRadians(m_rotation - 90)));
m_offset = new Vector2(2.0f, 2.0f);
m_size = new Vector2(4.0f, 4.0f);
}
public SpaceShip(PlayerIndex playerNumber, Vector2 position, float rotation, SpriteSheet spriteSheet, ProjectileSystem projectileSystem, GameSettings settings, ContentManager content)
{
// instantiate the player's number with a player index
m_playerNumber = playerNumber;
if(m_playerNumber == PlayerIndex.One) { m_colour = SpaceShipColour.Red; }
else if(m_playerNumber == PlayerIndex.Two) { m_colour = SpaceShipColour.Blue; }
else if(m_playerNumber == PlayerIndex.Three) { m_colour = SpaceShipColour.Green; }
else if(m_playerNumber == PlayerIndex.Four) { m_colour = SpaceShipColour.Yellow; }
// instantiate the player's input device type
m_inputDevice = settings.getInputDevice(playerNumber);
if(m_inputDevice == InputDevice.Controller1) { m_controllerNumber = PlayerIndex.One; }
else if(m_inputDevice == InputDevice.Controller2) { m_controllerNumber = PlayerIndex.Two; }
else if(m_inputDevice == InputDevice.Controller3) { m_controllerNumber = PlayerIndex.Three; }
else if(m_inputDevice == InputDevice.Controller4) { m_controllerNumber = PlayerIndex.Four; }
else { m_controllerNumber = PlayerIndex.One; }
// instantiate local variables
this.position = position;
this.rotation = rotation;
m_scale = new Vector2(1, 1);
m_maximumVelocity = 5.8f;
m_acceleration = 0.048f;
m_rotationSpeed = 3.1f;
m_settings = settings;
m_spriteSheet = spriteSheet;
m_projectileSystem = projectileSystem;
if(m_spriteSheet == null) { return; }
// initialize sprite / sprite animation arrays
m_idleSprite = new Sprite[3];
m_movingAnimation = new SpriteAnimation[3];
// set the space ship sprite sheet offset based on the space ship colour
int spriteOffset = 0;
if(m_colour == SpaceShipColour.Red) { spriteOffset = 0; }
else if(m_colour == SpaceShipColour.Blue) { spriteOffset = 18; }
else if(m_colour == SpaceShipColour.Green) { spriteOffset = 3; }
else if(m_colour == SpaceShipColour.Yellow) { spriteOffset = 21; }
// load the idle sprites for each colour
for(int i=0;i<3;i++) {
m_idleSprite[i] = m_spriteSheet.getSprite(i + spriteOffset);
}
// create and store the movement animations for each colour
for(int i=0;i<3;i++) {
m_movingAnimation[i] = new SpriteAnimation(0.16f, SpriteAnimationType.Loop);
m_movingAnimation[i].addSprite(m_spriteSheet.getSprite(i + spriteOffset + 6));
m_movingAnimation[i].addSprite(m_spriteSheet.getSprite(i + spriteOffset + 12));
}
m_offset = new Vector2(m_idleSprite[1].xOffset * 0.9f, m_idleSprite[1].yOffset * 0.9f);
m_size = new Vector2(m_offset.X * 2.0f, m_offset.Y * 2.0f);
updateInitialValues();
}