/// <summary>
/// Initializes a new instance of the <see cref="SeekMotion"/> class.
/// </summary>
/// <param name="target">The target object.</param>
/// <param name="speed">The speed (under 0.1f is better).</param>
/// <param name="defaultVector">The default vector used when no target is set yet.</param>
/// <param name="rotationSpeed">The rotation speed.</param>
public SeekMotion(GameObject target, float speed, Vector2D defaultVector, float rotationSpeed)
{
Target = target;
_lastDirection = defaultVector;
_speed = speed;
_rotationSpeed = rotationSpeed;
}
public void Update(GameObject gameObject, float deltaTime)
{
if (!Script.IsNullOrUndefined(Target))
{
float lastAngle = _lastDirection.GetAbsoluteAngle();
Vector2D targetVector = new Vector2D(Target.Location.X - gameObject.Location.X, Target.Location.Y - gameObject.Location.Y);
double relativeAngle = targetVector.GetAbsoluteAngle() - lastAngle;
if (Math.Abs(relativeAngle) > Math.PI)
{
if (relativeAngle < 0) relativeAngle += Math.PI * 2;
else relativeAngle -= Math.PI * 2;
}
if (relativeAngle != 0)
{
Angle = lastAngle + (Math.Min(_rotationSpeed, Math.Abs(relativeAngle)) * (relativeAngle / Math.Abs(relativeAngle)));
_lastDirection.X = _speed * Math.Cos(Angle);
_lastDirection.Y = _speed * Math.Sin(Angle);
}
}
gameObject.Location.TranslateByVector(_lastDirection);
}
public override void Load()
{
ImageElement ship = _level.LoadImage("Images/shooter/meteor/1.png", false);
_gunPosition = new Vector2D(ship.NaturalWidth * .8f, ship.NaturalHeight / 2);
_missileBayPosition = new Vector2D(ship.NaturalWidth * .5f, ship.NaturalHeight * .8f);
}
public PlasmaBall(Vector2D location, IMotion motion)
: base()
{
Location = new Vector3D(location.X, location.Y, ShooterLevel.WeaponsZ);
Motion = motion;
ShooterLevel.Current.Plasma.AddPlasmaBall(this);
}
public Bullet(Vector2D location, int strength, IMotion motion)
: base(location, motion)
{
AnimationSequence sequence = new AnimationSequence();
sequence.AddSprite(ShooterLevel.Current.LoadImage((strength == 1)? "images/shooter/meteor/sb.png" : "images/shooter/meteor/b.png", false), 0, 0);
AnimationSequences["Default"] = sequence;
StartAnimation("Default");
_strength = strength;
}
public BasicPlasmaBall(Vector2D location, IMotion motion)
: base(location, motion)
{
ShooterLevel level = ShooterLevel.Current;
AnimationSequence sequence = new AnimationSequence();
sequence.AddSprites(new ImageElement[]{
level.LoadImage("images/shooter/plasma/1.png", false),
level.LoadImage("images/shooter/plasma/2.png", false),
level.LoadImage("images/shooter/plasma/3.png", false),
level.LoadImage("images/shooter/plasma/2.png", false)
}, 6, 6);
sequence.Loop = true;
sequence.Delay = 200;
AnimationSequences["Default"] = sequence;
StartAnimation("Default");
}
public Missile(Vector2D location)
: base(location, new SeekMotion(null, 12, new Vector2D(12, 0), 0.25f))
{
WeaponsSystem.TotalMissiles++;
LoadAnimation("00", "8");
LoadAnimation("01", "9");
LoadAnimation("02", "10");
LoadAnimation("03", "11");
LoadAnimation("04", "12");
LoadAnimation("05", "13");
LoadAnimation("06", "14");
LoadAnimation("07", "15");
LoadAnimation("08", "0");
LoadAnimation("09", "1");
LoadAnimation("10", "2");
LoadAnimation("11", "3");
LoadAnimation("12", "4");
LoadAnimation("13", "5");
LoadAnimation("14", "6");
LoadAnimation("15", "7");
StartAnimation("0");
ShooterLevel level = ShooterLevel.Current;
AnimationSequence sequence = new AnimationSequence();
sequence.AddSprites(new ImageElement[]{
level.LoadImage("images/shooter/explosion/0002.png", false),
level.LoadImage("images/shooter/explosion/0003.png", false),
level.LoadImage("images/shooter/explosion/0004.png", false),
level.LoadImage("images/shooter/explosion/0005.png", false),
level.LoadImage("images/shooter/explosion/0006.png", false),
level.LoadImage("images/shooter/explosion/0007.png", false),
level.LoadImage("images/shooter/explosion/0008.png", false),
level.LoadImage("images/shooter/explosion/0009.png", false)
}, 25, 25);
sequence.Delay = 50;
sequence.Loop = false;
AnimationSequences["Explosion"] = sequence;
Dino dino = AcquireTarget();
if (dino != null) dino.Locked = true;
((SeekMotion)Motion).Target = AcquireTarget();
}
public void Shoot(Vector2D gunLocation, Vector2D missileBayLocation)
{
switch (ShotCount)
{
case 3:
if (_level.Ticks >= Bullet.LastFired + Bullet.FireRate)
{
Bullet.LastFired = _level.Ticks;
_projectiles.Add(new Bullet(gunLocation, ShotPower, new StraightMotion(new Vector2D(0.41f, 0.25f))));
_projectiles.Add(new Bullet(gunLocation, ShotPower, new StraightMotion(new Vector2D(0.5f, 0))));
_projectiles.Add(new Bullet(gunLocation, ShotPower, new StraightMotion(new Vector2D(0.41f, -0.25f))));
}
break;
case 2:
if (_level.Ticks >= Bullet.LastFired + Bullet.FireRate / 2)
{
_lastShotIndex = (_lastShotIndex + 1) % 2;
Bullet.LastFired = _level.Ticks;
_projectiles.Add(new Bullet(gunLocation.Clone().TranslateByCoordinates(0, _lastShotIndex * -5), ShotPower, new StraightMotion(new Vector2D(0.5f, 0))));
}
break;
default:
if (_level.Ticks >= Bullet.LastFired + Bullet.FireRate)
{
Bullet.LastFired = _level.Ticks;
_projectiles.Add(new Bullet(gunLocation, ShotPower, new StraightMotion(new Vector2D(0.5f, 0))));
}
break;
}
if (TotalMissiles < MissileCount && _level.Ticks >= Missile.LastFired + Missile.FireRate)
{
Missile.LastFired = _level.Ticks;
_projectiles.Add(new Missile(missileBayLocation));
}
}
public Projectile(Vector2D location, IMotion motion)
: base()
{
Location = new Vector3D(location.X, location.Y, ShooterLevel.WeaponsZ);
Motion = motion;
}
public Vector2D TranslateByVector(Vector2D vector)
{
X += vector.X;
Y += vector.Y;
return this;
}
public Vector2D SetOrigin(Vector2D origin)
{
X -= origin.X;
Y -= origin.Y;
return this;
}
public StraightMotion(Vector2D motionVector)
{
_motionVector = motionVector.Clone();
}
