/// <summary>
/// Check if target unit is in range. If so, apply force and damage
/// </summary>
/// <param name="effectPos">origin of effect</param>
/// <param name="target">target unit</param>
public void TryApply(Vector2 effectPos, PhysicalUnit target, TimeSpan time)
{
if (utility.XnaHelper.RectangleIntersectsCircle(target.HitRect, effectPos, _radius))
{
tempVec.X = target.Position.X - effectPos.X;
tempVec.Y = target.Position.Y - effectPos.Y;
Vector2.Normalize(tempVec);
float factor = Duration == TimeSpan.Zero ? 1 : (float)time.TotalSeconds / (float)Duration.TotalSeconds;
target.ApplyForce(_force * factor * tempVec);
target.ApplyDamage((_damage * factor));
target.ApplyStatus(_statEffects);
}
}
public override void CheckAndApplyCollision(PhysicalUnit unit, TimeSpan time)
{
if (!_firing || !unit.Collides)
{
return; //don't check collisions if not firing
}
float fireAngle = XnaHelper.RadiansFromVector(_fireDirection);
if (XnaHelper.RectangleIntersectsArc(unit.HitRect, _owner.Center, _range, fireAngle, _hitArc))
{
_tempVector = unit.Center - _owner.Center;
_tempVector.Normalize();
unit.ApplyImpact(_force * _tempVector, 1);
unit.ApplyDamage(_damage);
}
}
