private void CheckCollision(CircleCollider collider)
{
var hit = collider.Collide(X, Y, (int)Tags.PLAYERATTACK);
if (hit != null)
{
bool isHurt = true;
// Make sure it didn't go through the front side
if (Hitbox.Collide(X, Y, hit.Entity) != null)
{
var hitboxPos = new Vector2(Hitbox.X, Hitbox.Y);
var colliderPos = new Vector2(collider.X, collider.Y);
var entityPos = new Vector2(hit.X, hit.Y);
var toHitbox = entityPos - hitboxPos;
var angleToHitbox = Math.Atan2(toHitbox.Y, toHitbox.X);
var hypt = (float)Math.Sin(angleToHitbox) * toHitbox.Y;
var hitboxPenetration = hypt - hit.HalfWidth;
var colliderPenetration = (collider.Radius + hit.HalfWidth) - (colliderPos - entityPos).Length;
isHurt = (colliderPenetration > hitboxPenetration);
}
// Apply damage if okay
if (isHurt)
{
var e = hit.Entity as Projectile;
if (e.damage > 1)
{
ApplyDamage(e.damage);
if (health > 0)
{
Game.Coroutine.Start(SwimAttack());
}
}
e.HitEnemy();
}
}
}