void OnDrawGizmos()
{
ChaseState chase = GetComponent <ChaseState>();
if (chase != null)
{
Gizmos.color = Color.yellow;
Gizmos.DrawWireSphere(position, chase.boardingDistance);
}
BoardingState boarding = GetComponent <BoardingState>();
if (boarding != null)
{
Gizmos.color = Color.magenta;
Gizmos.DrawWireSphere(position, boarding.boardRadius);
}
}
/// <summary>
/// Check for being close enough to demand boarding
/// </summary>
/// <returns>True if close enough</returns>
protected virtual bool CheckForBoarding()
{
Vector3 heading = GetHeadingToTarget();
// Check if lost sight
if (heading.magnitude > GetComponent <Crew>().GetSpotDistance())
{
GiveUpChase();
}
// Check for boarding distance
else if (heading.sqrMagnitude <= _boardingDistance * _boardingDistance)
{
if (BoardingManager.CanDemandBoarding(_ship, _target))
{
BoardingState boarding = _controller.ChangeToState <BoardingState>();
boarding.target = _target;
}
}
return(false);
}
public override void Update(Vector2 targetSize, GameTime gameTime)
{
float aspect = targetSize.X / (float)targetSize.Y;
ScreenUtils su = new ScreenUtils(targetSize, new Vector2(aspect * 2, 2), 0);
Vector2 turretD = su.ScreenToWorld(MouseTracker().Position) - turretPosW;
float dstTurretRotation = (float)(-Math.Atan2(-turretD.Y, turretD.X)) + (float)Math.PI * 1.5f;
float totalTime = (float)gameTime.TotalGameTime.TotalSeconds;
float elapsedTime = (float)gameTime.ElapsedGameTime.TotalSeconds;
//laserBuffer = laserBuffer + gameTime.
// NOTE: this code sucks, but I'm tired
if (turretRotation < dstTurretRotation)
{
turretRotation += 0.5f * elapsedTime;
}
else
{
turretRotation -= 0.5f * elapsedTime;
}
laserBuffer = Math.Min(laserBuffer + elapsedTime * 0.5f, maxLasers);
MouseTracker().Update();
if (MouseTracker().WasPressed() && laserBuffer >= 1)
{
//Vector2 target = su.ScreenToWorld(MouseTracker().Position);
Laser laser = new Laser();
laser.Pos = turretPosW;
laser.Dir = new Vector2(-(float)Math.Sin(turretRotation), (float)Math.Cos(turretRotation)); //Vector2.Normalize(target - laser.Pos);
laser.Length = 0.1f;
laser.Speed = 0.05f;
friendlyLasers.Add(laser);
laserBuffer -= 1;
if (boardingState == BoardingState.PREPARED)
{
boardingState = BoardingState.BOARDING;
}
}
enemyRegion.Position = new Vector2(0.4f * (float)Math.Sin(totalTime * 1.5f), -0.6f + 0.02f * (float)Math.Cos(totalTime * 0.5f));
if (boardingState == BoardingState.PREPARED)
{
boardingRegion.Position = enemyRegion.Position;
}
else if (boardingState == BoardingState.BOARDING)
{
Vector2 d = shipPosW - boardingRegion.Position;
d.Normalize();
boardingRegion.Position += d * 0.1f * elapsedTime;
}
else if (boardingState == BoardingState.DESTROYED)
{
// TODO: animate this, use acceleration
boardingRegion.Acceleration = new Vector2(1, 0);
boardingRegion.Velocity = boardingRegion.Acceleration * elapsedTime;
boardingRegion.Position += boardingRegion.Velocity;
//asset.Velocity = asset.Acceleration * elapsedTime;
//asset.Position += su.ScaleToScreen(asset.Velocity);
}
shipPosW = new Vector2(0.2f * (float)Math.Sin(totalTime), 0.6f + 0.02f * (float)Math.Cos(totalTime * 0.5f));
turretPosW = shipPosW + new Vector2(0.26f, 0.0f);
for (int i = 0; i < NUM_STREAKS; i++)
{
float speed = 2 + (i % 4);
float x = -aspect + (float)Math.Cos(i) + speed * totalTime; //20 + 50 * (float)Math.Cos(i);
int screenWidths = (int)(x / (2 * aspect));
x = x - screenWidths * (2 * aspect) - aspect;
float y = 2 * ((i + 1.0f) / (NUM_STREAKS + 1)) - 1; //+ 30.0f * (float)Math.Sin(i);
streaks[i].Position = new Vector2(x, y);
streaks[i].Distance = targetSize.X * 0.002f * speed;
streaks[i].Thickness = 2;
}
// remove distant lasers
List <Laser> unimpactedLasers = new List <Laser>();
foreach (Laser laser in friendlyLasers)
{
Vector2 prevPos = laser.Pos;
Vector2 newPos = laser.Pos + laser.Dir * laser.Speed;
Vector2?enemyImpactPos = enemyRegion.Trace(prevPos, newPos);
Vector2?boardingImpactPos = boardingRegion.Trace(prevPos, newPos);
float boardingDistance = shipPosW.Y - boardingRegion.Position.Y;
if (boardingState == BoardingState.BOARDING && boardingImpactPos != null && boardingDistance > 0.15f)
{
var explosion = new TextureAnimationAsset(explosionTexture, 3, 5);
explosion.Position = su.WorldToScreen(boardingImpactPos.Value);
explosion.Acceleration = new Vector2(1, 0);
AddChild("explosion_effect", explosion);
boardingHealth--;
if (boardingHealth == 0)
{
boardingState = BoardingState.DESTROYED;
}
}
else if (enemyImpactPos != null)
{
var explosion = new TextureAnimationAsset(explosionTexture, 3, 5);
explosion.Position = su.WorldToScreen(enemyImpactPos.Value);
explosion.Acceleration = new Vector2(1, 0);
AddChild("explosion_effect", explosion);
}
else if (laser.Pos.Length() < 10)
{
unimpactedLasers.Add(laser);
}
laser.Pos = laser.Pos + laser.Dir * laser.Speed;
}
friendlyLasers = unimpactedLasers;
foreach (KeyValuePair <string, Asset> pair in children)
{
if (typeof(TextureAnimationAsset).IsInstanceOfType(pair.Value))
{
TextureAnimationAsset asset = (TextureAnimationAsset)pair.Value;
asset.Velocity = asset.Acceleration * elapsedTime;
asset.Position += su.ScaleToScreen(asset.Velocity);
}
}
bool isNotFinishedExplosion(Asset asset)
{
if (typeof(TextureAnimationAsset).IsInstanceOfType(asset))
{
TextureAnimationAsset anim = (TextureAnimationAsset)asset;
return(!anim.IsFinished());
}
return(true);
}
children = children.FindAll(pair => isNotFinishedExplosion(pair.Value));
}
