/// <summary>
/// Creates a Circle to represent the attack radius of the AI. If the Position Component of the
/// AI's target is within this Circle, then the AI is in range.
/// </summary>
/// <param name="entID">The Entity to check range for.</param>
/// <param name="AI">AI component of the Entity to check range for.</param>
/// <param name="pos">Position component of the Entity to check range for.</param>
protected void CheckRange(ulong entID, CAI AI, CPosition pos)
{
Circle attackRadius = SwinGame.CreateCircle(pos.Centre.X, pos.Centre.Y, AI.Range + (pos.Width / 2));
CPosition targetPos = World.GetComponent <CPosition>(AI.TargetID);
AI.IsInRange = SwinGame.CircleRectCollision(attackRadius, targetPos.Rect);
}
public override void Draw()
{
_shape = SwinGame.CreateCircle(_x, _y, ALIEN_SIZE - 5);
if (_visible)
{
SwinGame.FillRectangle(_colour, _x - ALIEN_SIZE, _y - ALIEN_SIZE, ALIEN_SIZE * 2, ALIEN_SIZE * 2);
SwinGame.FillCircle(GetColorFromLives(), _shape);
}
_missiles.DrawAll();
}
public override bool IsAt(Point2D pt)
{
return(SwinGame.PointInCircle(pt, SwinGame.CreateCircle(this.X, this.Y, _radius)));
}
public override void Draw()
{
_shape = SwinGame.CreateCircle(_x, _y, GetRadius());
SwinGame.FillCircle(_colour, _shape);
}