public override void Update()
{
var delta = (float)Game.Delta.TotalSeconds;
var rect = new Rect(new Vector(0, 0), Game.Target.GetView().Size);
var steps = (int)(Speed / 50);
var step = Speed / steps;
for (int i = 0; i < steps; i++)
{
Position += Direction * step * delta;
foreach (var enemy in Space.GetGroup<Enemy>("Enemies"))
{
var radius = Bullet.BodyRadius + enemy.Radius;
if (Position.IsInRangeOf(enemy.Position, radius))
{
this.IsDeleted = true;
enemy.OffsetHealth(Damage);
break;
}
}
}
if (!rect.Contains(Position))
{
this.IsDeleted = true;
return;
}
}
private void Spawn()
{
var viewSize = (Vector)Game.Target.GetView().Size;
var pos = new Vector();
var percent = MathExtender.Random.NextDouble();
var side = MathExtender.Random.Next(0, 4);
if (side == 0)
{
pos.X = viewSize.X * percent;
pos.Y = -Enemy.BodyRadius * 2;
}
else if (side == 1)
{
pos.X = viewSize.X * percent;
pos.Y = viewSize.Y + Enemy.BodyRadius * 2;
}
else if (side == 2)
{
pos.X = -Enemy.BodyRadius * 2;
pos.Y = viewSize.Y * percent;
}
else
{
pos.X = viewSize.X + Enemy.BodyRadius * 2;
pos.Y = viewSize.Y * percent;
}
Space.Add(new Enemy(pos));
}
public Bullet(Player owner, Vector direction, double damage)
: base(Sorting.Group, "Bullets", 3)
{
Shape = new CircleShape(BodyRadius, 3);
Shape.FillColor = BodyColor;
Shape.Origin = new Vector2f(BodyRadius, BodyRadius);
Direction = direction;
Position = owner.Position + direction * Player.BodyRadius;
Damage = damage;
}
public Flame(Player owner, Vector direction, double damage)
: base(Sorting.Group, "Flames", 0)
{
Owner = owner;
BodyShape = new CircleShape(BodyRadius, 5);
BodyShape.FillColor = BodyColor;
BodyShape.Origin = new Vector2f(BodyRadius, BodyRadius);
Direction = direction;
Position = owner.Position + direction * Player.BodyRadius;
Damage = damage;
Game.Sounds.Prepare(ref SFX_FireLoop, "Campfire");
}
public Corpse(float bodyRadius, float meleeRadius, Vector position, Vector facing)
: base(Sorting.Group, "Corpses", -1)
{
BodyShape = new CircleShape(bodyRadius, 8);
BodyShape.FillColor = Color;
BodyShape.Origin = new Vector2f(bodyRadius, bodyRadius);
MeleeShape = new CircleShape(meleeRadius, 3);
MeleeShape.FillColor = Color;
MeleeShape.Origin = new Vector2f(meleeRadius, meleeRadius);
Position = position;
MeleeShape.Rotation = (float)facing.Angle;
MeleeShape.Position = (Vector2f)(Position + facing * meleeRadius * 2);
}
public Powerup(PowerupType type, double amount, Vector position)
: base(Sorting.Group, "Powerups", 3)
{
BodyShape = new RectangleShape();
BodyShape.Size = new Vector2f(BodyRadius, BodyRadius);
BodyShape.Origin = BodyShape.Size * 0.5f;
BodyShape.FillColor = BodyColor;
Type = type;
Amount = amount;
Position = position;
Game.Sounds.Prepare(ref SFX_Create, "Blip2", 10, 1.0f);
Game.Sounds.Prepare(ref SFX_Pickup, "Powerup1", 10, 1.0f);
SFX_Create.Play();
}
public Enemy(Vector position)
: base(Sorting.Group, "Enemies", 2)
{
var roll = MathExtender.Roll(Chance_Fast, Chance_Big);
if (roll == 0)
{
Color = new Color(255, 0, 255);
Speed = 150;
Health = new Stat(50);
Radius = BodyRadius * 0.75f;
MeleeTime = TimeSpan.FromSeconds(0.4);
MeleeDamage = -5;
}
else if (roll == 1)
{
Color = new Color(0, 255, 0);
Speed = 25;
Health = new Stat(5000);
Radius = BodyRadius * 2.0f;
MeleeTime = TimeSpan.FromSeconds(0.8);
MeleeDamage = -75;
}
else
{
Color = new Color(255, 0, 0);
Speed = 50;
Health = new Stat(100);
Radius = BodyRadius;
MeleeTime = TimeSpan.FromSeconds(1.5);
MeleeDamage = -10;
}
Position = position;
BodyShape.FillColor = Color;
BodyShape.Radius = Radius;
BodyShape.Origin = new Vector2f(Radius, Radius);
MeleeRadius = Radius / 2.0f;
MeleeShape = new CircleShape(MeleeRadius, 3);
MeleeShape.Origin = new Vector2f(MeleeRadius, MeleeRadius);
MeleeShape.FillColor = Color;
ApplyDifficulty();
}
/// <summary>Gets whether or not this vector in within a certain range of another vector.</summary>
/// <param name="v">The other vector.</param>
/// <returns>Whether or not this vector is in range.</returns>
public bool IsInRangeOf(Vector v, double range)
{
var x = this.X - v.X;
var y = this.Y - v.Y;
return (range * range) >= (x * x + y * y);
}
/// <summary>Gets the distance between this and another vector.</summary>
/// <param name="v">The other vector.</param>
/// <returns>The distance.</returns>
public double DistanceTo(Vector v)
{
return (this - v).Length;
}
/// <summary>Gets the dot product relative to another vector.</summary>
/// <param name="v">The other vector.</param>
/// <returns>The dot product.</returns>
public double DotProduct(Vector v)
{
return this.X * v.X + this.Y * v.Y;
}
/// <summary>Gets the angle between this and another vector.</summary>
/// <param name="v">The other vector.</param>
/// <returns>The angle in degrees.</returns>
public double AngleBetweenVector(Vector v)
{
return MathExtender.RadianToDegree(Math.Acos(v.Normal.DotProduct(this.Normal)));
}
/// <summary>Gets the directional vector from this to another vector in degrees.</summary>
/// <param name="v">The other vector.</param>
/// <returns>The direction.</returns>
public Vector DirectionTo(Vector v)
{
return (v - this).Normal;
}
/// <summary>Get whether or not this vector is parallel to another vector.</summary>
/// <param name="v">The other vector.</param>
/// <returns>Whether or not this vector is parallel.</returns>
public bool IsParallelTo(Vector v)
{
return (this.X / v.X) == (this.Y / v.Y);
}
public Rect(SFML.Window.Vector2f position, SFML.Window.Vector2f size)
{
this.Position = new Vector(position);
this.Size = new Vector(size);
}
public Rect(double x = 0, double y = 0, double width = 0, double height = 0)
{
this.Position = new Vector(x, y);
this.Size = new Vector(width, height);
}
/// <summary>Check if a point is inside the rect's area.</summary>
/// <param name="x">X coordinate of the point to test.</param>
/// <param name="y">Y coordinate of the point to test.</param>
/// <returns>True if the point is inside.</returns>
public bool Contains(Vector v)
{
return (v.X >= X) && (v.X < X + Width)
&& (v.Y >= Y) && (v.Y < Y + Height);
}
private void Move()
{
var delta = (float)Game.Delta.TotalSeconds;
var direction = new Vector();
if (Keyboard.IsKeyPressed(Keyboard.Key.W))
{
direction.Y -= 1;
}
if (Keyboard.IsKeyPressed(Keyboard.Key.S))
{
direction.Y += 1;
}
if (Keyboard.IsKeyPressed(Keyboard.Key.A))
{
direction.X -= 1;
}
if (Keyboard.IsKeyPressed(Keyboard.Key.D))
{
direction.X += 1;
}
Movement += direction * Speed * delta;
var newPosition = Position + Movement;
var viewSize = Game.Target.GetView().Size;
if (newPosition.X < 0 || newPosition.X > viewSize.X)
{
newPosition.X = Position.X;
}
if (newPosition.Y < 0 || newPosition.Y > viewSize.Y)
{
newPosition.Y = Position.Y;
}
Position = newPosition;
Movement.X = Movement.Y = 0;
}
/// <summary>Check intersection between two rects.</summary>
/// <param name="position"> Position of the rect to test.</param>
/// <param name="size"> rect to test.</param>
/// <returns>True if r overlap.</returns>
public bool Intersects(Vector position, Vector size)
{
return Math.Max(X, position.X) < Math.Min(X + Width, position.X + size.X)
&& Math.Max(Y, position.Y) < Math.Min(Y + Height, position.Y + size.Y);
}
public void Move(Vector offset)
{
Movement += offset;
}
public Rect(Vector position, Vector size)
{
this.Position = position;
this.Size = size;
}
public Rect(SFML.Graphics.FloatRect v)
{
this.Position = new Vector(v.Left, v.Top);
this.Size = new Vector(v.Width, v.Height);
}
public Vector(Vector v)
{
this.X = v.X;
this.Y = v.Y;
}
public MenuButton(string str, uint size, Vector position)
{
Text = new Text(str, Game.Assets.Fonts["PixelPlay"], size);
Text.Position = (Vector2f)position;
Text.Color = Color.White;
}
/// <summary>Get whether or not this vector is opposite to another vector.</summary>
/// <param name="v">The other vector.</param>
/// <returns>Whether or not this vector is opposite.</returns>
public bool IsOppositeTo(Vector v)
{
var x = this.X / v.X;
return (x < 0) && (x == (this.Y / v.Y));
}
public override void Update()
{
var flameCount = Space.CountGroup("Flames");
SFX_FireLoop.Volume = Math.Min(SFX_FireLoop.Volume = flameCount, 25);
if (SFX_FireLoop.Status != SoundStatus.Playing && flameCount > 0)
{
SFX_FireLoop.Play();
}
var rotation = MathExtender.Random.Next(1, 15);
BodyShape.Rotation = (BodyShape.Rotation + rotation) % 360;
var phase = Math.Max(0, LifeTime.TotalSeconds / InitialLifeTime.TotalSeconds);
var red = (byte)Math.Min(MathExtender.Lerp(0, 3 * 255, phase), 255);
var green = (byte)MathExtender.Lerp(0, 255, phase);
BodyShape.FillColor = new Color(red, green, 0, green);
var rect = new Rect(new Vector(0, 0), Game.Target.GetView().Size);
if (Range < MaxRange)
{
var newPosition = Position + Direction * Speed * Game.Delta.TotalSeconds;
if (rect.Contains(newPosition))
{
Range += Position.DistanceTo(newPosition);
Position = newPosition;
}
if (Range >= MinRange && MathExtender.Chance(Range / (MaxRange * 2)))
{
Range = MaxRange;
}
}
LifeTime -= Game.Delta;
foreach (var enemy in Space.GetGroup<Enemy>("Enemies"))
{
var radius = Bullet.BodyRadius + enemy.Radius;
if (MathExtender.Chance(0.25) && Position.IsInRangeOf(enemy.Position, radius * 1.5))
{
enemy.OffsetHealth(Damage);
Range = MaxRange;
if (AttachedTo == null)
{
var scale = (enemy.Radius / Flame.BodyRadius) * 1.25f * Size;
BodyShape.Scale = new Vector2f(scale, scale);
AttachedTo = enemy;
};
}
}
if (AttachedTo != null)
{
Position = AttachedTo.Position;
AttachedTo.OffsetHealth(Damage);
if (AttachedTo.Health.IsMinimum)
AttachedTo = null;
}
else
{
var x = MathExtender.Clamp(BodyShape.Scale.X * (MathExtender.Random.Next(20) - 10), 1, 1.75);
var y = MathExtender.Clamp(BodyShape.Scale.Y * (MathExtender.Random.Next(40) - 20), 1, 1.75);
BodyShape.Scale = new Vector2f((float)x, (float)y) * Size;
}
if (LifeTime <= TimeSpan.Zero)
{
SFX_FireLoop.Volume = Math.Max(SFX_FireLoop.Volume - 1, 0);
IsDeleted = true;
}
}
/// <summary>Gets the manhattan distance between this and another vector.</summary>
/// <param name="v">The other vector.</param>
/// <returns>The manhattan distance.</returns>
public double ManhattanDistanceTo(Vector v)
{
return Math.Abs(this.X - v.X) + Math.Abs(this.Y - v.Y);
}
public Rect(Rect v)
{
this.Position = v.Position;
this.Size = v.Size;
}
