public static void PlayImpactFX(Collider2D hittingCollider, Vector2 receivingColliderPos, SO_ImpactFX sOImpactFX, LayerMask hitLayerMask, Collider2D receivingCollider, bool projectileImpact = false)
{
// Get the hitting colldier's postion.
Vector2 hittingColliderPos = (Vector2)hittingCollider.transform.position;
// Request an ImpactFX script(attached to a GameObject) from an ImpactFX pool.
impactFX_St = impactFXPool_St.RequestImpactFX();
// Calculate the direction from the hitting colldier to the receiving collider.
Vector2 dirToEnemy = (Vector2)receivingCollider.bounds.center - hittingColliderPos;
//Vector2 dirToEnemy = (Vector2)receivingCollider.transform.position - hittingColliderPos;
// Does this impact keep the attack/projectile's direction.
if (sOImpactFX.keepDirection)
{
impactFX_St.transform.up = hittingCollider.transform.up;
}
else
{
// Calculate and apply the direction from the hittingCollider to the receivingCollider.
impactFX_St.transform.up = dirToEnemy;
}
// Either apply the impact effect at the position of the hitting collider or fire a raycast to get the more appropriate position. This was mainly done for projectiles hitting tilemap walls.
if (projectileImpact)
{
impactFX_St.transform.position = new Vector3(hittingCollider.transform.position.x, hittingCollider.transform.position.y, impactFX_St.transform.position.z);
}
else
{
// Fire a raycast from the hittingCollider to the receivingCollider to get a "hit" position, in order to place the impactFX close the the receiver.
Debug.DrawRay(hittingColliderPos, dirToEnemy, Color.white, 1f);
foreach (RaycastHit2D hit in Physics2D.RaycastAll(hittingColliderPos, dirToEnemy, dirToEnemy.magnitude, hitLayerMask))
{
if (hit.collider == receivingCollider)
{
impactFX_St.transform.position = new Vector3(hit.point.x, hit.point.y, impactFX_St.transform.position.z);
break;
}
}
}
// Start the impactFX sprite animation.
impactFX_St.StartImpactFX(sOImpactFX);
}
/// <summary>
/// used by the editor 'vp_UFPSMenu.cs' to initialize the scriptableobject
/// with default variables
/// </summary>
public void Init()
{
ImpactFX.Add(new ImpactFXInfo(true));
}
