/// <summary>
/// Updates the LaserDrone
/// </summary>
/// <param name="elapsedTime">The in-game time between the previous and current frame</param>
public override void Update(float elapsedTime)
{
// Sense the Player's position
PlayerShip Player = ScrollingShooterGame.Game.Player;
Vector2 PlayerPosition = new Vector2(Player.Bounds.Center.X, Player.Bounds.Center.Y);
switch (aiState)
{
case AIState.Chasing:
getInPosition(PlayerPosition, elapsedTime);
if (Math.Abs(PlayerPosition.X - Bounds.Center.X) < 40 && Bounds.Center.Y < PlayerPosition.Y)
{
//transition to firing state
fireTimeRemaining = FIRE_TIME;
aiState = AIState.Firing;
currentSpeed = MAX_MOVE_SPEED * 0.66f;
if (droneLaser == null)
{
droneLaser = (DroneLaser)ScrollingShooterGame.GameObjectManager.CreateProjectile(ProjectileType.DroneLaser, Vector2.Zero);
}
droneLaser.isOn = true;
droneLaser.laserPower = WeaponChargeLevel.Full;
droneLaser.updatePosition(position.X + 23, position.Y + 30);
}
break;
case AIState.Firing:
fireTimeRemaining -= elapsedTime;
//change to medium charge sprite when halfway depleted
if (weaponChargeLevel == WeaponChargeLevel.Full && fireTimeRemaining / FIRE_TIME < 0.66)
{
weaponChargeLevel = droneLaser.laserPower = WeaponChargeLevel.Medium;
}
else if (weaponChargeLevel == WeaponChargeLevel.Medium && fireTimeRemaining / FIRE_TIME < 0.33)
{
weaponChargeLevel = droneLaser.laserPower = WeaponChargeLevel.Low;
}
if (fireTimeRemaining <= 0)
{
//transition to recharging state
aiState = AIState.Recharging;
currentSpeed = MAX_MOVE_SPEED * 0.33f;
rechargeTimeRemaining = RECHARGE_TIME;
weaponChargeLevel = WeaponChargeLevel.Low;
droneLaser.isOn = false;
}
getInPosition(PlayerPosition, elapsedTime);
droneLaser.updatePosition(position.X + 23, position.Y + 30);
break;
case AIState.Recharging:
rechargeTimeRemaining -= elapsedTime;
if (weaponChargeLevel == WeaponChargeLevel.Low && rechargeTimeRemaining / RECHARGE_TIME < 0.66)
{
weaponChargeLevel = WeaponChargeLevel.Medium;
}
if (weaponChargeLevel == WeaponChargeLevel.Medium && rechargeTimeRemaining / RECHARGE_TIME < 0.33)
{
weaponChargeLevel = WeaponChargeLevel.Full;
}
if (rechargeTimeRemaining <= 0)
{
aiState = AIState.Chasing;
currentSpeed = MAX_MOVE_SPEED;
weaponChargeLevel = WeaponChargeLevel.Full;
}
moveAwayFrom(PlayerPosition, elapsedTime);
break;
}
}
/// <summary>
/// Updates the Dart ship
/// </summary>
/// <param name="elapsedTime">The in-game time between the previous and current frame</param>
public override void Update(float elapsedTime)
{
switch (BES)
{
case birdEntranceState.flyOver:
this.position.Y -= elapsedTime * 500;
if (position.Y <= 3892) // -200
{
BES = birdEntranceState.enter;
}
break;
case birdEntranceState.enter:
this.position.Y += elapsedTime * 100;
if (position.Y >= 0)
{
BES = birdEntranceState.normal;
}
ScrollingShooterGame.LevelManager.Scrolling = false;
break;
case birdEntranceState.normal:
fireTimer += elapsedTime;
laserTimer += elapsedTime;
float velocity = 1;
// Sense the player's position
PlayerShip player = ScrollingShooterGame.Game.Player;
Vector2 playerPosition = new Vector2(player.Bounds.Center.X, player.Bounds.Center.Y);
if (playerPosition.X - Bounds.Center.X < -20)
{
this.position.X -= elapsedTime * 40 * velocity;
}
else
{
if (playerPosition.X - Bounds.Center.X > 20)
{
this.position.X += elapsedTime * 40 * velocity;
}
else
{
if (fireTimer > 0.6f)
{
ScrollingShooterGame.GameObjectManager.CreateProjectile(ProjectileType.BirdWrath, position + beakPosition);
fireTimer = 0f;
}
}
}
if (fireTimer > 1.5f)
{
ScrollingShooterGame.GameObjectManager.CreateProjectile(ProjectileType.BirdWrath, position + beakPosition);
fireTimer = 0f;
}
//Firein Mah Lazars!!
switch (laserState)
{
case LaserState.off:
if (laserTimer > 3f)
{
laserState = LaserState.turningOn;
laserAnimState = 0;
}
break;
case LaserState.turningOn:
laserAnimState++;
if (laserAnimState == NUMBER_OF_ANIM_STATES_LASER - 1)
{
laserState = LaserState.on;
laserTimer = 0f;
}
break;
case LaserState.on:
LeftLaser.isOn = true;
RightLaser.isOn = true;
LeftLaser.updatePosition(position.X + LeftLaserPosition.X, position.Y + LeftLaserPosition.Y);
RightLaser.updatePosition(position.X + RightLaserPosition.X, position.Y + RightLaserPosition.Y);
if (laserTimer > 3f)
{
LeftLaser.isOn = false;
RightLaser.isOn = false;
laserState = LaserState.turningOff;
}
break;
case LaserState.turningOff:
laserAnimState--;
if (laserAnimState == 0)
{
laserState = LaserState.off;
laserTimer = 0f;
}
break;
}
break;
case birdEntranceState.exit:
this.position.Y += elapsedTime * 500;
ScrollingShooterGame.LevelManager.Scrolling = true;
break;
}
}
