private void ApplyForces()
{
Vector3 origin = transform.position;
RaycastHit2D[] hits = Physics2D.CircleCastAll(transform.position, explosionRadius, Vector2.up);
foreach (RaycastHit2D hit in hits)
{
if (hit.rigidbody != null)
{
Vector2 distance = (hit.transform.position - origin);
float normalizedDistance = Mathf.Clamp((explosionRadius - distance.magnitude) / explosionRadius, 0.1f, 1f);
IForceAffected movementModel = hit.rigidbody.GetComponent <IForceAffected>();
if (movementModel != null)
{
float invNormDistSq = Mathf.Pow(normalizedDistance, 2);
movementModel.AddExternalForce(explosionForce * invNormDistSq * distance.normalized);
}
IDamageable damageable = hit.collider.GetComponent <IDamageable>();
if (damageable != null)
{
float damage = damageMinimum + damageDifference * normalizedDistance;
damageable.TakeDamage((int)damage, true);
}
}
}
}
// Update is called once per frame
void Update()
{
if (Input.GetMouseButtonDown(mouseKey))
{
Vector3 location = Camera.main.ScreenToWorldPoint(Input.mousePosition);
location.z = 0;
RaycastHit2D[] hits = Physics2D.CircleCastAll(location, radius, Vector2.up);
foreach (RaycastHit2D hit in hits)
{
if (hit.rigidbody != null)
{
IForceAffected movementModel = hit.rigidbody.GetComponent <IForceAffected>();
if (movementModel != null)
{
Vector2 distance = (hit.transform.position - location);
float invNormDist = Mathf.Clamp((radius - distance.magnitude) / radius, 0.1f, 1f);
float factor = Mathf.Pow(invNormDist, 2);
Debug.Log("dist: " + distance);
Debug.Log("inv norm dist: " + invNormDist);
Debug.Log("Factor: " + factor);
Debug.Log("Force: " + force * factor * distance.normalized);
movementModel.AddExternalForce(force * factor * distance.normalized);
}
}
}
}
}