public Predator(Point position, int size = 4, double minspeed = 1, double maxspeed = 1)
: base(position, size, minspeed, maxspeed, Color.Red)
{
#if SHOW_HUNGER
hungerText = new Text(Hunger.ToString(), 12);
hungerText.X = X;
hungerText.Y = Y - 10;
#endif
TargetCaptured = false;
Hunger = 300;
GrowLimit = 5;
Global.Predators.Add(this);
}
/// <summary>
/// Draws a graphic to this surface.
/// </summary>
/// <param name="graphic">The Graphic to draw.</param>
/// <param name="x">The X position of the Graphic.</param>
/// <param name="y">The Y position of the Graphic.</param>
public void Draw(Graphic graphic, float x = 0, float y = 0)
{
Surface tempSurface = Otter.Draw.Target;
Otter.Draw.SetTarget(this);
graphic.Render(x, y);
Otter.Draw.SetTarget(tempSurface);
}
/// <summary>
/// Renders a Graphic to the current target Surface.
/// </summary>
/// <param name="graphic">The Graphic to render.</param>
/// <param name="x">The x offset to position the Graphic at.</param>
/// <param name="y">The y offset to position the Graphic at.</param>
public static void Graphic(Graphic graphic, float x = 0, float y = 0)
{
graphic.Render(x, y);
}
void InitializeTexture() {
visibleTexture = new Texture((int)Width, (int)Height);
for (var x = 0; x < Width; x++) {
for (var y = 0; y < Height; y++) {
if (PixelAt(x, y)) {
visibleTexture.SetPixel(x, y, Color.Red);
}
else {
visibleTexture.SetPixel(x, y, Color.None);
}
}
}
visibleImage = new Image(visibleTexture);
}
/// <summary>
/// Set the position of the Graphic.
/// </summary>
/// <param name="g">The Graphic to get the position from.</param>
public void SetPosition(Graphic g, float offsetX = 0, float offsetY = 0) {
SetPosition(g.X + offsetX, g.Y + offsetY);
}
public override void Update()
{
#if SHOW_HUNGER
Scene.RemoveGraphic(hungerText);
hungerText = new Text(Hunger.ToString(), 12);
Scene.AddGraphic(hungerText);
hungerText.X = X - 8;
hungerText.Y = Y - 15 - Size;
#endif
if (AITickCounter == 0)
{
AITick();
AITickCounter = Global.AITickDelay;
}
Hunger--;
var nearestHerbivore = Global.Herbivores
.Where(cell => Global.DistanceSquared(cell, this) < Size*Size && cell.Size <= Size)
.OrderBy(cell => Global.DistanceSquared(cell, this))
.FirstOrDefault() as IHerbivore;
if (nearestHerbivore != null && Target == nearestHerbivore)
{
Eat(nearestHerbivore);
UnlockTarget();
}
dynamic currentTarget;
if (Target is Point)
currentTarget = (Target as Point?).Value;
else
currentTarget = Target as Cell;
if (Target == null || ((int)currentTarget.X == (int)X && (int)currentTarget.Y == (int)Y))
UnlockTarget();
base.Update();
}
