void FixedUpdate()
{
Vector2 scale = m_DamagerTransform.lossyScale;
Vector2 facingOffset = Vector2.Scale(offset, scale);
CurrentFramePoint = (Vector2)transform.position + facingOffset;
float len = 3;
if (!m_CanDamage)
{
return;
}
//if (offsetBasedOnSpriteFacing && spriteRenderer != null && spriteRenderer.flipX != m_SpriteOriginallyFlipped)
// facingOffset = new Vector2(-offset.x * scale.x, offset.y * scale.y);
Vector2 scaledSize = Vector2.Scale(size, scale);
//点A,B分别是攻击范围指示框的左下和右上点
Vector2 pointA = (Vector2)m_DamagerTransform.position + facingOffset - scaledSize * 0.5f;
Vector2 pointB = pointA + scaledSize;
int hitCount = Physics2D.OverlapArea(pointA, pointB, m_AttackContactFilter, m_AttackOverlapResults);
for (int i = 0; i < hitCount; i++)
{
Transform trans = m_AttackOverlapResults[i].transform;
if (!IsCanHit(trans))
{
continue;
}
AddHitInfo(trans);
m_LastHit = m_AttackOverlapResults[i];
//m_LastHit.GetContacts(AttackPoints); // 这个方法获得碰撞点始终有误差
TakeDamageable damageable = m_LastHit.GetComponent <TakeDamageable>();
// hit is Missing
if (damageable && !damageable.isHit(damageable.DodgeRate))
{
OnHitMissing.Invoke();
damageable.OnMissingAttack.Invoke();
}
if (damageable)
{
hitPoint = getPoint(CurrentFramePoint, (CurrentFramePoint - LastFramePoint).normalized, len, hittableLayers);
damageable.TakeDamage(this, TakeAttackBuffs, ignoreInvincibility);
status.HP += status.AttackDamageNum * status.BloodsuckingRate; // 吸血
OnDamageableHit.Invoke(this, damageable);
if (disableDamageAfterHit)
{
DisableDamage();
}
}
else
{
OnNonDamageableHit.Invoke(this);
}
}
}