public void Follow()
{
Description2D entityDescription = Following as Description2D;
if (entityDescription == null)
{
return;
}
Rectangle fBounds = new Rectangle(Following.Position, new Size(0, 0));
if (entityDescription != null)
{
fBounds.Width = entityDescription.Sprite?.Width ?? 0;
fBounds.Height = entityDescription.Sprite?.Height ?? 0;
}
if (fBounds.X < Bounds.X + ScrollLeft)
{
Bounds.X = fBounds.X - ScrollLeft;
}
else if (fBounds.X + fBounds.Width > Bounds.X + Bounds.Width - ScrollRight)
{
Bounds.X = fBounds.X + fBounds.Width + ScrollRight - Bounds.Width;
}
if (fBounds.Y < Bounds.Y + ScrollTop)
{
Bounds.Y = fBounds.Y - ScrollTop;
}
else if (fBounds.Y + fBounds.Height > Bounds.Y + Bounds.Height - ScrollBottom)
{
Bounds.Y = fBounds.Y + fBounds.Height + ScrollBottom - Bounds.Height;
}
}
public void Draw(Graphics gfx, Description2D description)
{
if (description != null)
{
if (description.HasImage())
{
Rectangle dest = new Rectangle((int)(description.X + description.DrawOffsetX) - (description?.Sprite.X ?? 0), (int)(description.Y + description.DrawOffsetY) - (description?.Sprite.Y ?? 0), description.Width, description.Height);
gfx.DrawImage(description.Image(), dest, new Rectangle(0, 0, description.Width, description.Height), GraphicsUnit.Pixel);
}
}
}
public void Draw(int buffer, IDescription description)
{
if (description is TileMap)
{
Draw(this.sbuffer[buffer].Context, description as TileMap);
}
else
{
Description2D d2d = description as Description2D;
Graphics gfx = d2d.DrawInOverlay ? this.soverlay[buffer].Context : this.sbuffer[buffer].Context;
Draw(gfx, d2d);
}
}
public double Direction(Description2D other)
{
return(Math.Atan2(other.Y - Y, other.X - X));
}
public double Distance(Description2D other)
{
return(Math.Sqrt((X - other.X) * (X - other.X) + (Y - other.Y) * (Y - other.Y)));
}
virtual public bool IsCollision(Description2D other)
{
return(this.Bounds.IntersectsWith(other.Bounds));
}
