/// <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); } }