public override void Draw(ref SpriteBatch spriteBatch, GameTime gameTime)
{
//Draw the enemy's bullets
for (int i = 0; i < NUM_BULLETS; i++)
{
//Cache current bullet to prevent constant lookup
EnemyBullet _currentBullet = bullets[i];
//Draw bullet to rotate based on player's rotation
if (_currentBullet.isActive)
{
_currentBullet.Draw(ref spriteBatch, gameTime);
}
}
base.Draw(ref spriteBatch, gameTime);
}
}//end Update
public void Shoot()
{
if (timeToNextFire <= 0)
{
for (int i = 0; i < NUM_BULLETS; i++)
{
EnemyBullet _currentBullet = bullets[i];
if (_currentBullet.isActive == false)
{
//Let bullet shoot out of the top of the ship
_currentBullet.position = new Vector2(position.X + bulletOffset, position.Y);
_currentBullet.rotation = rotation;
_currentBullet.forwardVector = forwardVector;
_currentBullet.isActive = true;
break;
}
}
//Start the countdown timer
timeToNextFire = FIRE_DELAY;
}
}
private void checkCollision(Player currentPlayer)
{
//Check for collisions
for (int j = 0; j < currentPlayer.shipManager.shipList.Count; j++)
{
//Cache current player
Gryffon _currentShip = currentPlayer.shipManager.shipList[j];
for (int i = 0; i < powerupManager.powerupList.Count; i++)
{
// cache powerup
AnimatedSprite _powerup = powerupManager.powerupList[i];
if (Collision.PlayerWithPowerup(_currentShip, _powerup))
{
PowerupManager.collisionMade(_powerup);
}
PowerupManager.inputManager(_powerup, ref currentPlayer);
}
int _playerNumBullets = _currentShip.bulletList.Count;
for (int i = 0; i < _playerNumBullets; i++)
{
//Cache bullet
PlayerBullet _currentBullet = _currentShip.bulletList[i];
if (_currentBullet.isActive)
{
for (int k = 0; k < NUM_ENEMIES; k++)
{
//Cache enemy
Pawn _currentPawn = (Pawn)enemySpriteManager.spriteList[k];
if (_currentPawn.isAlive && Collision.PlayerBulletWithEnemy(_currentBullet, _currentPawn))
{
_currentPawn.DecreaseHealth(_currentBullet.damage);
_currentBullet.isActive = false;
currentPlayer.score += _currentPawn.pointValue;
//Pawn is no longer able to take damage
_currentPawn.isAlive = false;
// Add some charge to the charge bar
ChargeBar.addCharge();
break;
}
}
}
}
}
//Check for collisions between particles and enemies
List <ParticleSystem> pSystems = Defines.particleManager.GetCollidableParticleSystems();
for (int i = 0; i < pSystems.Count; i++)
{
for (int k = 0; k < NUM_ENEMIES; k++)
{
//Cache enemy
Pawn _currentPawn = (Pawn)enemySpriteManager.spriteList[k];
//Collision between enemy and particle system
if (Collision.EnemyWithParticleSystem(pSystems[i], _currentPawn))
{
_currentPawn.DecreaseHealth(pSystems[i].damage);
currentPlayer.score += _currentPawn.pointValue;
//Pawn is no longer able to take damage
_currentPawn.isAlive = false;
// Add some charge to the charge bar
ChargeBar.addCharge();
}
//Collision between enemy bullets and particle system
for (int b = 0; b < _currentPawn.bullets.Count; b++)
{
EnemyBullet _curBullet = _currentPawn.bullets[b];
if (Collision.EnemyWithParticleSystem(pSystems[i], _curBullet))
{
_curBullet.isActive = false;
}
}
}
}
}
public static bool PlayerWithEnemyBullet(Sprite player, EnemyBullet enemyBullet)
{
return(IsSpriteCollision(player, enemyBullet));
}
public static bool PlayerWithEnemyBullet(Sprite player, EnemyBullet enemyBullet)
{
return IsSpriteCollision(player, enemyBullet);
}