public void explode()
{
//When exploding, check for colliders within the blast radius
Collider2D[] results = Physics2D.OverlapCircleAll(circle.transform.position, explosionRadius);
if (results.Length > 0)
{
//Declare a bunch of things to hold references to things to be affected by the explosion
Rigidbody2D hitRb;
HealthBar hitHb;
Buffable hitBuff = null;
float pushForce;
float damage;
foreach (Collider2D hitCol in results)
{
//set hitRb to the rigidbody of the current collider, if it exists
hitRb = hitCol.GetComponent <Rigidbody2D>();
//set hitHB to the HealthBar of the current collider, if it exists
hitHb = hitCol.GetComponent <HealthBar>();
//set hitBuff to the Buffable object of the current collider, if there are any to apply
///TODO: This will likely need to be reworked later on, as many GameObjects will likely have more than one Buffable component
if (explosionEffects.Count > 0)
{
hitBuff = hitCol.GetComponent <Buffable>();
}
//The ranges of force/damage that can be applied to explosion targets, max at the edge of the collider, min at the edge of the explosion
float forceRange = maxPushForce - minPushForce;
float dmgRange = maxExplosionDMG - minExplosionDMG;
if (hitCol != circle.col)
{
ColliderDistance2D cd = circle.col.Distance(hitCol);
//Clamp the collider distance to positive numbers to avoid issues related to negative collider distance
float dst = Mathf.Clamp(cd.distance, 0, Mathf.Infinity);
//Tbh, don't remember what exact purpose this had for explosion force/damage calculations
float adjustedRadius = explosionRadius - circle.adjustedRadius();
//Add forces to colliders with rigidbodies
if (hitRb)
{
pushForce = (adjustedRadius - dst) / adjustedRadius * (forceRange) + minPushForce;
hitRb.AddForce(cd.normal * pushForce * (cd.distance < 0 ? 1 : -1), ForceMode2D.Impulse);
}
//deal damage to colliders attached to HealthBars
if (hitHb)
{
damage = (adjustedRadius - dst) / adjustedRadius * (dmgRange) + minExplosionDMG;
hitHb.takeDamage(damage);
}
//Add status effects (if any) to retrieved Buffables
if (hitBuff)
{
foreach (StatusEffect effect in explosionEffects)
{
hitBuff.addStatusEffect(effect);
}
}
}
}
}
Debug.Log("Message sent");
SendMessage("OnExplosion");
}
