protected abstract bool DetectCollision(LineBody lineBody);
/// <summary>
/// Detect collision with a line body
/// </summary>
/// <param name="lineBody"></param>
/// <returns></returns>
protected override bool DetectCollision(LineBody lineBody)
{
return false;
}
/// <summary>
/// Detect a collision with a line body
/// </summary>
/// <param name="lineBody"></param>
/// <returns></returns>
protected override bool DetectCollision(LineBody lineBody)
{
Vector2 closestPointOnLineBody = lineBody.GetClosestPointOnPerimeter(this.Position);
bool touchingLine = ((closestPointOnLineBody - this.Position).LengthSquared() < this.Radius * this.Radius);
bool willCrossLine = !(this.Position - closestPointOnLineBody).HasSameDirection(this.Position - this.Velocity - lineBody.GetClosestPointOnPerimeter(this.Position - this.Velocity));
bool result = touchingLine || willCrossLine;
return result;
}
